Player profile
Zwirs, Nico
Dossier
253 of 265 games analyzed.
Accuracy: 93.9%
Opened e4: 78/93Opened Nf3: 8/93Opened c4: 5/93Opened d4: 2/93
Castled kingside: 136Same-side castling: 123Castled queenside: 31Opposite-side castling: 28Did not castle: 11
Played in the center: 73Played on the queenside: 49Fianchettoed queenside: 37Fianchettoed kingside: 34Played on the kingside: 30
Active pieces: 131Initiated exchanges: 109Space advantage: 106Sacrificed material: 100Backward pawn: 95Kept the bishop pair: 92Isolated pawn: 73Avoided exchanges: 40Played gambits: 19Missed tactics: 17
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 97 games 42W 43D 11L
Sicilian Defense 38 games 16W 15D 6L
Najdorf Variation 7 games 4W 1D 2L
English Attack
6 games
4W
1D
1L
(unspecified)
1 game
0W
0D
1L
Richter-Rauzer Variation 6 games 1W 2D 2L
Neo-Modern Variation, Early Deviations
5 games
1W
2D
1L
Neo-Modern Variation
1 game
0W
0D
1L
Taimanov Variation 4 games 0W 4D 0L
Bastrikov Variation, English Attack
3 games
0W
3D
0L
(unspecified)
1 game
0W
1D
0L
Kalashnikov Variation 3 games 1W 2D 0L
(unspecified)
3 games
1W
2D
0L
Accelerated Dragon 3 games 2W 1D 0L
Maróczy Bind
3 games
2W
1D
0L
Dragon Variation 3 games 0W 2D 1L
Yugoslav Attack, Hungarian Dragon
2 games
0W
2D
0L
Yugoslav Attack, Modern Line
1 game
0W
0D
1L
Kan Variation 3 games 3W 0D 0L
Polugaevsky Variation
2 games
2W
0D
0L
Swiss Cheese Variation
1 game
1W
0D
0L
Four Knights Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
French Variation 2 games 1W 1D 0L
Normal
1 game
0W
1D
0L
Open
1 game
1W
0D
0L
Nimzowitsch Variation 1 game 1W 0D 0L
Closed Variation
1 game
1W
0D
0L
Chekhover Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Sozin Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Scheveningen Variation 1 game 0W 0D 1L
English Attack, with f3
1 game
0W
0D
1L
Lasker-Pelikan Variation 1 game 1W 0D 0L
Sveshnikov Variation, Chelyabinsk Variation
1 game
1W
0D
0L
Italian Game 22 games 8W 14D 0L
Two Knights Defense 9 games 1W 8D 0L
Modern Bishop's Opening
9 games
1W
8D
0L
Classical Variation 7 games 2W 5D 0L
Giuoco Pianissimo
5 games
1W
4D
0L
Greco Gambit, Anderssen Variation
1 game
0W
1D
0L
Giuoco Pianissimo, with a6
1 game
1W
0D
0L
Giuoco Pianissimo 6 games 5W 1D 0L
Normal
4 games
4W
0D
0L
Italian Four Knights Variation
2 games
1W
1D
0L
Caro-Kann Defense 9 games 5W 3D 1L
Exchange Variation 4 games 2W 1D 1L
(unspecified)
4 games
2W
1D
1L
Tartakower Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Advance Variation 2 games 1W 1D 0L
Tal Variation
2 games
1W
1D
0L
Panov Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
English Opening 7 games 6W 1D 0L
King's English Variation 3 games 3W 0D 0L
(unspecified)
2 games
2W
0D
0L
Four Knights Variation, Flexible Line
1 game
1W
0D
0L
Neo-Catalan 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Anglo-Indian Defense 1 game 0W 1D 0L
King's Knight Variation
1 game
0W
1D
0L
Symmetrical Variation 1 game 1W 0D 0L
Rubinstein Variation
1 game
1W
0D
0L
French Defense 3 games 1W 1D 1L
Hecht-Reefschläger Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rubinstein Variation 1 game 0W 0D 1L
Fort Knox Variation
1 game
0W
0D
1L
Classical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Philidor Defense 3 games 1W 2D 0L
Lion Variation 3 games 1W 2D 0L
(unspecified)
3 games
1W
2D
0L
Ruy Lopez 2 games 0W 2D 0L
Berlin Defense 1 game 0W 1D 0L
Rio Gambit Accepted
1 game
0W
1D
0L
Morphy Defense 1 game 0W 1D 0L
Modern Steinitz Defense
1 game
0W
1D
0L
Four Knights Game 2 games 0W 2D 0L
Scotch Variation Accepted 1 game 0W 1D 0L
Main Line
1 game
0W
1D
0L
Spanish Variation 1 game 0W 1D 0L
Nimzowitsch Variation
1 game
0W
1D
0L
Petrov's Defense 2 games 0W 2D 0L
Nimzowitsch Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Modern Attack 1 game 0W 1D 0L
Murrey Variation
1 game
0W
1D
0L
East Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Dutch Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Huisl Variation
1 game
1W
0D
0L
Zukertort Opening 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Nimzo-Indian Defense 1 game 0W 0D 1L
Romanishin Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Pawn Game 1 game 1W 0D 0L
Tayler Opening 1 game 1W 0D 0L
Inverted Hanham
1 game
1W
0D
0L
Queen's Pawn Game 1 game 0W 0D 1L
Colle System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Rubinstein Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Pirc Defense 1 game 1W 0D 0L
Austrian Attack 1 game 1W 0D 0L
Weiss Variation
1 game
1W
0D
0L
King's Indian Attack 1 game 1W 0D 0L
Symmetrical Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 93 games 37W 39D 17L
Sicilian Defense 44 games 21W 16D 7L
Najdorf Variation 23 games 11W 7D 5L
(unspecified)
7 games
4W
2D
1L
Adams Attack
4 games
3W
0D
1L
Opocensky Variation
3 games
0W
1D
2L
English Attack
3 games
1W
2D
0L
Opocensky Variation, Traditional Line
2 games
1W
1D
0L
Petronić Attack
1 game
1W
0D
0L
Zagreb Variation
1 game
0W
1D
0L
Lipnitsky Attack
1 game
1W
0D
0L
Yates Variation
1 game
0W
0D
1L
Moscow Variation 9 games 4W 4D 1L
(unspecified)
5 games
1W
3D
1L
Main Line
4 games
3W
1D
0L
Delayed Alapin Variation 5 games 3W 2D 0L
(unspecified)
4 games
3W
1D
0L
with d6
1 game
0W
1D
0L
Closed 2 games 1W 0D 1L
(unspecified)
1 game
1W
0D
0L
Carlsen Variation
1 game
0W
0D
1L
Modern Variations 2 games 0W 2D 0L
(unspecified)
1 game
0W
1D
0L
Main Line
1 game
0W
1D
0L
Scheveningen Variation 1 game 1W 0D 0L
English Attack, with f3
1 game
1W
0D
0L
Keres Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Richter-Rauzer Variation 1 game 1W 0D 0L
Neo-Modern Variation
1 game
1W
0D
0L
Queen's Gambit Declined 14 games 2W 8D 4L
Exchange Variation 7 games 1W 3D 3L
Positional Variation
4 games
1W
2D
1L
Reshevsky Variation
2 games
0W
1D
1L
(unspecified)
1 game
0W
0D
1L
Barmen Variation 4 games 1W 3D 0L
(unspecified)
4 games
1W
3D
0L
Orthodox Defense 1 game 0W 1D 0L
Bd3 Line
1 game
0W
1D
0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Modern Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Opening 5 games 1W 3D 1L
(unspecified) 5 games 1W 3D 1L
(unspecified)
5 games
1W
3D
1L
Queen's Pawn Game 5 games 2W 2D 1L
Symmetrical Variation 3 games 2W 1D 0L
Pseudo-Catalan
3 games
2W
1D
0L
Levitsky Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
London System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Attack 4 games 2W 1D 1L
(unspecified) 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Spassky Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Double Fianchetto 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
English Opening 4 games 2W 2D 0L
Agincourt Defense 4 games 2W 2D 0L
(unspecified)
3 games
2W
1D
0L
Neo-Catalan Declined
1 game
0W
1D
0L
French Defense 2 games 1W 0D 1L
Steiner Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Advance Variation 1 game 0W 0D 1L
Euwe Variation
1 game
0W
0D
1L
Indian Defense 2 games 2W 0D 0L
Anti-Nimzo-Indian 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Accelerated London System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Catalan Opening 2 games 0W 2D 0L
Closed 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
Ruy Lopez 2 games 0W 0D 2L
Closed 2 games 0W 0D 2L
(unspecified)
1 game
0W
0D
1L
Martinez Variation
1 game
0W
0D
1L
Benoni Defense 1 game 1W 0D 0L
Fianchetto Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Four Knights Game 1 game 0W 1D 0L
Scotch Variation Accepted 1 game 0W 1D 0L
Main Line
1 game
0W
1D
0L
Bogo-Indian Defense 1 game 0W 1D 0L
Retreat Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Nimzo-Indian Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Van Geet Opening 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Pseudo Queen's Indian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Indian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Rapport-Jobava System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Italian Game 1 game 0W 1D 0L
Scotch Gambit 1 game 0W 1D 0L
Anderssen Attack
1 game
0W
1D
0L
Blunders Top 4 of 663
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 265 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| øøøø.øø.øø | 1. Bundesliga r 14/15 | 15.16 | øøøø.øø.øø Kruckenhauser, Arthur (1642812) (2340) | 1 | 95.60% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | |
| øøøø.øø.øø | 1. Bundesliga r 14/15 | 14.16 | øøøø.øø.øø Lindgren, Philip (1713230) (2382) | 1 | 96.70% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.10.31 | Round 3: Fridman, Daniel - Zwirs, Nico | 3.4 | 2026.10.31 Fridman, Daniel (11600454) (2566) | 0 | 86.10% | 1. Nf3 Nf6 2. g3 b5 3. d3 Bb7 | |
| 2026.10.25 | Amsterdam Chess Open 2026 - Group A | 6.3 | 2026.10.25 Sprenger de la Iglesia, Yevgeni (54798175) (2294) | 1 | 96.20% | 1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 | |
| 2026.10.25 | Amsterdam Chess Open 2026 - Group A | 5.4 | 2026.10.25 Van Arkel, Rogier (1004450) (2267) | 1 | 94.40% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2026.10.24 | Amsterdam Chess Open 2026 - Group A | 4.6 | 2026.10.24 Verschoor, Scott (1095927) (2053) | 1 | 94.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.10.23 | Amsterdam Chess Open 2026 - Group A | 1.5 | 2026.10.23 Van Hesselingen, Guido (1085735) (2144) | 0 | 58.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.10.03 | Round 2: Beukema, Stefan - Zwirs, Nico | 2.5 | 2026.10.03 Beukema, Stefan (1024523) (2380) | ½ | 99.00% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2026.09.19 | Round 1: Zwirs, Nico - Korneev, Oleg | 1.3 | 2026.09.19 Korneev, Oleg (4156803) (2436) | ½ | 98.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.09.13 | Jan Timman Schaal | 4.2 | 2026.09.13 Pham, Khoi (1054988) (2292) | 1 | 97.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.09.13 | Jan Timman Schaal | 3.2 | 2026.09.13 Pham, Khoi (1054988) (2292) | ½ | 90.70% | 1. Nf3 d5 2. e3 Nf6 3. c4 e6 | |
| 2026.09.13 | Jan Timman Schaal | 2.2 | 2026.09.13 Suvorov, Alexander (12977063) (2290) | 0 | 77.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.09.13 | Jan Timman Schaal | 1.2 | 2026.09.13 Suvorov, Alexander (12977063) (2290) | 1 | 94.20% | 1. Nf3 d5 2. g3 g6 3. Bg2 Bg7 | |
| 2026.08.15 | Oscar Romero Open Hoorns Kampioenschap 2026 | 4.2 | 2026.08.15 Manshanden, Nick (1050982) (2153) | 1 | 94.80% | 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 | |
| 2026.08.13 | Oscar Romero Open Hoorns Kampioenschap 2026 | 6.1 | 2026.08.13 Visser, Henk-Jan (1010204) (2200) | 1 | 92.80% | 1. e4 e6 2. d4 d5 3. Nc3 Nc6 | |
| 2026.08.13 | Oscar Romero Open Hoorns Kampioenschap 2026 | 5.1 | 2026.08.13 Lahaye, Rick (1007092) (2392) | ½ | 86.90% | 1. Nf3 d5 2. e3 Nf6 3. b3 g6 | |
| 2026.08.13 | Oscar Romero Open Hoorns Kampioenschap 2026 | 3.1 | 2026.08.13 Mostertman, Milan (1025848) (2306) | ½ | 95.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.13 | Oscar Romero Open Hoorns Kampioenschap 2026 | 2.1 | 2026.08.13 Aarts, Joaquin (1078224) (2058) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.13 | Oscar Romero Open Hoorns Kampioenschap 2026 | 1.1 | 2026.08.13 Blok, Lukas (40110494) (2025) | 1 | 92.20% | 1. c4 e6 2. e4 c5 3. Nc3 Nc6 | |
| 2026.08.09 | Round 9: Zwirs, Nico - Ulziikhishig Khishigbat | 9.16 | 2026.08.09 Ulziikhishig Khishigbat (4908120) (2330) | ½ | 93.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.08.08 | Round 8: Sydykov, Bayastan - Zwirs, Nico | 8.13 | 2026.08.08 Sydykov, Bayastan (13829610) (2381) | ½ | 97.00% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2026.08.07 | Round 7: Zwirs, Nico - Bilguun, Sumiya | 7.10 | 2026.08.07 Bilguun, Sumiya (4901541) (2415) | ½ | 96.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.06 | Round 6: Talgatov, Nazar - Zwirs, Nico | 6.16 | 2026.08.06 Talgatov, Nazar (13743694) (2357) | 1 | 90.20% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2026.08.05 | Round 5: Zwirs, Nico - Schwitkowski, Luka | 5.16 | 2026.08.05 Schwitkowski, Luka (34610669) (2340) | ½ | 84.90% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.08.04 | Round 4: Hess, Max - Zwirs, Nico | 4.14 | 2026.08.04 Hess, Max (24656666) (2385) | ½ | 93.20% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2026.08.02 | Round 2: Sam, Gabriel - Zwirs, Nico | 2.14 | 2026.08.02 Sam, Gabriel (75000776) (2265) | ½ | 97.00% | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 | |
| 2026.07.24 | Round 4: Zwirs, Nico - Vijayakumar, Rishi | 4.5 | 2026.07.24 Vijayakumar, Rishi (2408953) (2307) | ½ | 95.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.07.23 | Round 3: Dessyn, Timothee - Zwirs, Nico | 3.8 | 2026.07.23 Dessyn, Timothee (651028859) (2257) | 1 | 98.30% | 1. d4 Nf6 2. c4 e6 3. g3 c5 | |
| 2026.07.22 | Round 2: Zwirs, Nico - Lont, Addy | 2.8 | 2026.07.22 Lont, Addy (1002228) (2250) | ½ | 90.50% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.07.21 | Round 1: Bakija, Alan - Zwirs, Nico | 1.10 | 2026.07.21 Bakija, Alan (1068016) (2172) | 1 | 96.50% | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 | |
| 2026.06.28 | Round 4: Iolis, Oleg - Zwirs, Nico | 4.3 | 2026.06.28 Iolis, Oleg (204684) (2120) | 1 | 89.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.27 | Round 3: Zwirs, Nico - Vlieger, Olaf | 3.6 | 2026.06.27 Vlieger, Olaf (1090844) (2106) | 1 | 96.70% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.06.27 | Round 1: Zwirs, Nico - Van den Bosch, Arno | 1.2 | 2026.06.27 Van den Bosch, Arno (231835) (2046) | ½ | 84.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.06.21 | Round 5: Zwirs, Nico - Vandenbussche, Thibaut | 5.1 | 2026.06.21 Vandenbussche, Thibaut (204412) (2397) | ½ | 98.40% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2026.06.21 | HSG Open 2026 A | 4.2 | 2026.06.21 Darie, Aden (1094831) (1979) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.06.21 | HSG Open 2026 A | 5.3 | 2026.06.21 Bagrationi, Alexander (14104954) (2444) | ½ | 96.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.20 | HSG Open 2026 A | 3.5 | 2026.06.20 Schroer, Marcel (1012908) (2083) | 1 | 97.00% | 1. d4 d5 2. Nf3 Nf6 3. g3 c5 | |
| 2026.06.19 | HSG Open 2026 A | 2.4 | 2026.06.19 Goudriaan, Rafael (1063162) (2247) | ½ | 94.10% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.06.19 | HSG Open 2026 A | 1.6 | 2026.06.19 Van Doren, Bas (1048503) (2183) | 1 | 97.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.06.18 | HSG Open 2026 A | 6.1 | 2026.06.18 Warmerdam, Max (1048104) (2520) | ½ | 96.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.05.25 | Round 6: Schmitz, Philipp - Zwirs, Nico | 6.5 | 2026.05.25 Schmitz, Philipp (1270142) (2210) | 1 | 97.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.24 | Round 5: Zwirs, Nico - Baselmans, Sam | 5.7 | 2026.05.24 Baselmans, Sam (1048139) (2264) | 1 | 97.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.05.24 | Round 4: Citak, Selim - Zwirs, Nico | 4.5 | 2026.05.24 Citak, Selim (6301819) (2319) | ½ | - | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.05.23 | Round 3: Zwirs, Nico - Aishwin Daniel | 3.10 | 2026.05.23 Aishwin Daniel (25037714) (2206) | 1 | 94.60% | 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 | |
| 2026.05.23 | Round 2: Zwirs, Nico - Visser, Henk-Jan | 2.7 | 2026.05.23 Visser, Henk-Jan (1010204) (2195) | ½ | 95.30% | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 | |
| 2026.05.22 | Round 7: Zwirs, Nico - Van Wely, Loek | 7.1 | 2026.05.22 Van Wely, Loek (1000268) (2625) | ½ | 93.00% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.05.22 | Round 1: Stinis, Steven - Zwirs, Nico | 1.7 | 2026.05.22 Stinis, Steven (202770) (2138) | 1 | 95.70% | 1. e4 c5 2. Nc3 d6 3. Nge2 Nf6 | |
| 2026.05.10 | Round 9: Zwirs, Nico - Adharsh K | 9.26 | 2026.05.10 Adharsh K (25718207) (2312) | ½ | 94.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.09 | Round 8: Sokolovsky, Yahli - Zwirs, Nico | 8.14 | 2026.05.09 Sokolovsky, Yahli (2820242) (2564) | 0 | 82.00% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2026.05.08 | Round 7: Zwirs, Nico - Shilon Rahav, Eliran | 7.24 | 2026.05.08 Shilon Rahav, Eliran (2844958) (2340) | 1 | 89.90% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | |
| 2026.05.07 | Round 6: Danila, Tudor-Gabriel - Zwirs, Nico | 6.24 | 2026.05.07 Danila, Tudor-Gabriel (1274244) (2172) | ½ | 88.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.06 | Round 5: Zwirs, Nico - Smirin, Ilia | 5.11 | 2026.05.06 Smirin, Ilia (2801990) (2562) | 0 | 87.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.05 | Round 4: Fulgentini, Edoardo - Zwirs, Nico | 4.24 | 2026.05.05 Fulgentini, Edoardo (28557050) (2264) | 1 | 97.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.05.05 | Round 3: Zwirs, Nico - Castellanos Villela, Alejandro | 3.22 | 2026.05.05 Castellanos Villela, Alejandro (3446379) (2271) | ½ | 97.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.04.30 | Finals: Zwirs, Nico - Roshka, Yevgeniy | 3.29 | 2026.04.30 Roshka, Yevgeniy (14129558) (2507) | ½ | 97.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.04.29 | Semifinals: Zwirs, Nico - Delchev, Aleksander | 2.33 | 2026.04.29 Delchev, Aleksander (2900394) (2424) | 1 | 97.10% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.04.27 | Round 6: Saric, Ante - Zwirs, Nico | 6.41 | 2026.04.27 Saric, Ante (14506254) (2474) | 0 | 98.30% | 1. Nf3 d5 2. e3 Nf6 3. c4 e6 | |
| 2026.04.27 | Round 5: Zwirs, Nico - Pfreundt, Jakob | 5.41 | 2026.04.27 Pfreundt, Jakob (12918156) (2477) | 0 | 87.70% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.04.26 | Round 4: Janik, Igor - Zwirs, Nico | 4.41 | 2026.04.26 Janik, Igor (1159259) (2504) | ½ | 91.00% | 1. c4 e6 2. Nc3 d5 3. d4 Nf6 | |
| 2026.04.25 | Round 3: Zwirs, Nico - Gueci, Salvatore Riccardo | 3.41 | 2026.04.25 Gueci, Salvatore Riccardo (800848) (2079) | 1 | 92.40% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.04.25 | Round 2: Djukic, Nikola - Zwirs, Nico | 2.45 | 2026.04.25 Djukic, Nikola (922412) (2498) | ½ | 99.20% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.04.24 | Round 7: Zwirs, Nico - Lumachi, Gabriele | 1.25 | 2026.04.24 Lumachi, Gabriele (2817247) (2421) | ½ | 95.30% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2026.04.24 | Round 1: Zwirs, Nico - Ceres, Dragos | 1.37 | 2026.04.24 Ceres, Dragos (13905864) (2450) | ½ | 97.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.04.11 | Round 9: Martens, Martin - Zwirs, Nico | 1.7 | 2026.04.11 Martens, Martin (1000683) (2303) | 1 | 97.70% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2026.03.28 | Round 6: Zwirs, Nico - Van Wely, Loek | 6.1 | 2026.03.28 Van Wely, Loek (1000268) (2629) | 0 | 80.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.03.22 | Round 10: Zwirs, Nico - Genov, Petar | 10.15 | 2026.03.22 Genov, Petar (2900211) (2416) | ½ | 94.40% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.03.21 | 1. BL Pauli | 9.7 | 2026.03.21 Reuker, Jari (12909300) (2404) | ½ | 91.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.03.08 | Meesterklasse | 8 | 2026.03.08 Froeyman, Helmut (203602) (2259) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.02.07 | Round 7: Zwirs, Nico - Ernst, Sipke | 7.2 | 2026.02.07 Ernst, Sipke (1004689) (2525) | ½ | - | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2025.12.26 | Round 5: Kokje, Joris - Zwirs, Nico | 5.7 | 2025.12.26 Kokje, Joris (1051024) (2278) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.11.22 | Round 4: Zwirs, Nico - Suvorov, Luca | 4.6 | 2025.11.22 Suvorov, Luca (12977071) (2407) | ½ | 89.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.11.07 | KNSB competitie 2025/2026 | 3.8 | 2025.11.07 De Jong, Jan-Willem (1008641) (2408) | ½ | - | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.10.25 | Round 9: Zwirs, Nico - Miezis, Normunds | 9.4 | 2025.10.25 Miezis, Normunds (11600136) (2374) | 1 | 94.90% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.10.24 | Round 8: Abdisalimov, Abdimalik - Zwirs, Nico | 8.1 | 2025.10.24 Abdisalimov, Abdimalik (14206323) (2501) | 0 | 93.10% | 1. e4 c5 2. Nc3 d6 3. d4 cxd4 | |
| 2025.10.23 | Round 7: Korchynskyi, Mykola - Zwirs, Nico | 7.4 | 2025.10.23 Korchynskyi, Mykola (34138005) (2382) | 1 | - | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2025.10.22 | Round 6: Zwirs, Nico - Beerdsen, Thomas | 6.2 | 2025.10.22 Beerdsen, Thomas (1030108) (2528) | ½ | 99.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.10.21 | Round 5: Soumya, Swaminathan - Zwirs, Nico | 5.5 | 2025.10.21 Soumya, Swaminathan (5016193) (2238) | 1 | 91.40% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.10.21 | Round 4: Zwirs, Nico - Ten Dam, Bram | 4.6 | 2025.10.21 Ten Dam, Bram (40104877) (2185) | 1 | 97.60% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2025.10.20 | Round 3: Makhynia, Kostiantyn - Zwirs, Nico | 3.1 | 2025.10.20 Makhynia, Kostiantyn (14186853) (1935) | ½ | - | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.10.19 | Round 2: Zwirs, Nico - Gerrits, Augustin | 2.14 | 2025.10.19 Gerrits, Augustin (285358) (2074) | 1 | 97.00% | 1. c4 e5 2. a3 Nf6 3. d3 d5 | |
| 2025.10.18 | Round 1: Bakija, Alan - Zwirs, Nico | 1.9 | 2025.10.18 Bakija, Alan (1068016) (2082) | ½ | 98.20% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2025.10.04 | Round 2: Zwirs, Nico - Vrolijk, Liam | 2.10 | 2025.10.04 Vrolijk, Liam (1048333) (2524) | ½ | 94.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.09.20 | Round 1: Arnold, Rhys - Zwirs, Nico | 1.4 | 2025.09.20 Arnold, Rhys (1068849) (2288) | 1 | 97.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.05.29 | sofia25 | 9.8 | 2025.05.29 Filip, Lucian-Ioan (1208900) (2345) | 1 | 94.50% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.05.28 | sofia25 | 8.3 | 2025.05.28 Dimitrov, Radoslav (2908549) (2474) | 0 | 89.90% | 1. d4 d5 2. Bg5 f6 3. Bd2 Nc6 | |
| 2025.05.27 | sofia25 | 7.6 | 2025.05.27 Peycheva, Gergana (2916711) (2208) | 1 | 94.40% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2025.05.26 | sofia25 | 6.5 | 2025.05.26 Jirasek, Pavel (319848) (2288) | ½ | 92.70% | 1. Nf3 Nf6 2. c4 c5 3. g3 b6 | |
| 2025.05.26 | sofia25 | 5.5 | 2025.05.26 Spasov, Vasil (2900041) (2356) | ½ | 98.10% | 1. e4 c5 2. Ne2 Nf6 3. Nbc3 d6 | |
| 2025.05.25 | sofia25 | 4.3 | 2025.05.25 Ninov, Nikolai (2900424) (2325) | ½ | 92.30% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2025.05.24 | sofia25 | 3.8 | 2025.05.24 Krishnan, Ritvik (45055297) (2266) | 1 | 96.30% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.05.23 | sofia25 | 2.18 | 2025.05.23 Boeren, Jurriaan (1067478) (2104) | 1 | 98.80% | 1. c4 e5 2. a3 Nf6 3. d3 c6 | |
| 2025.05.23 | sofia25 | 1.2 | 2025.05.23 Kishore Kumar Jaganathan (46683801) (2157) | ½ | 90.50% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.05.13 | Round 9: Grutter, Tim - Zwirs, Nico | 9.4 | 2025.05.13 Grutter, Tim (1057472) (2408) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.04.21 | Semana Santa A. 2025 | 9.25 | 2025.04.21 Perez Marimon, Jorge De Jesus (3524582) (2364) | 1 | 75.50% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | |
| 2025.04.20 | Semana Santa A. 2025 | 8.25 | 2025.04.20 Hernandez, Cristian Andres (4402308) (2369) | ½ | 97.30% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2025.04.20 | Semana Santa A. 2025 | 7.34 | 2025.04.20 Chueca Forcen, Alberto (2269902) (2302) | 1 | 94.90% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2025.04.19 | Semana Santa A. 2025 | 6.37 | 2025.04.19 Navrotescu, Andreea (675946) (2301) | ½ | 92.60% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.04.18 | Semana Santa A. 2025 | 5.35 | 2025.04.18 Toncheva, Nadya (2924056) (2318) | ½ | 92.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.04.17 | Semana Santa A. 2025 | 3.15 | 2025.04.17 Smirnov, Mark (2336) | 0 | 89.30% | 1. c4 Nf6 2. Nc3 e6 3. d4 Bb4 | |
| 2025.04.17 | Semana Santa A. 2025 | 2.26 | 2025.04.17 Molina Carretero, Daniel (32071914) (2235) | 1 | 96.10% | 1. c4 e6 2. g3 d5 3. Nf3 dxc4 | |
| 2025.04.16 | Semana Santa A. 2025 | 1.31 | 2025.04.16 Gonzalez Ochoa, Yoana (3507629) (2088) | 1 | 97.40% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2025.04.05 | Round 8: Zwirs, Nico - Jansen, Bob | 8.2 | 2025.04.05 Jansen, Bob (1012550) (2183) | 1 | 94.70% | 1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 | |
| 2025.03.23 | 1. BL HSK | 12.7 | 2025.03.23 Miljkovic, Miroslav D (922722) (2419) | ½ | 98.40% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2025.03.22 | 1. BL HSK | 11.7 | 2025.03.22 Rafiee, Makan (24609340) (2271) | ½ | 94.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.02.23 | BL 2425 Hamburger SK - Schachfreunde Deizisau | 10.6 | 2025.02.23 Dautov, Rustem (4623606) (2565) | ½ | 90.40% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2025.02.22 | BL 2425 OSG Baden-Baden - Hamburger SK | 9.6 | 2025.02.22 Donchenko, Alexander (24603295) (2632) | ½ | 98.90% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.02.08 | KNSB Meesterklasse 2024-2025 | 7.5 | 2025.02.08 Cardon, Helmut (1000365) (2314) | 1 | - | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.02.08 | Round 6: Zwirs, Nico - Wemmers, Xander | 6.6 | 2025.02.08 Wemmers, Xander (1004182) (2316) | ½ | 93.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.02.02 | Tata Steel Chess Qualifiers | 9.1 | 2025.02.02 Grutter, Tim (1057472) (2400) | ½ | 98.80% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | |
| 2025.02.01 | Tata Steel Chess Qualifiers | 8.5 | 2025.02.01 Tudor, Henry Edward (2409836) (2375) | 0 | 87.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.01.31 | Tata Steel Chess Qualifiers | 7.4 | 2025.01.31 Smeets, Kobe (1063910) (2355) | 0 | 87.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.01.29 | Tata Steel Chess Qualifiers | 6.2 | 2025.01.29 Sofronie, Iulian (1202936) (2380) | ½ | 94.70% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.01.28 | Tata Steel Chess Qualifiers | 5.5 | 2025.01.28 Slagboom, Leandro (1065882) (2369) | 0 | 92.20% | 1. Nf3 Nf6 2. d4 d5 3. e3 c5 | |
| 2025.01.27 | Tata Steel Chess Qualifiers | 4.2 | 2025.01.27 Panesar Vedant (35033018) (2446) | ½ | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.01.26 | Tata Steel Chess Qualifiers | 3.4 | 2025.01.26 Beukema, Stefan (1024523) (2423) | 1 | 99.00% | 1. c4 c6 2. e4 d5 3. exd5 cxd5 | |
| 2025.01.25 | Tata Steel Chess Qualifiers | 2.1 | 2025.01.25 Lohia, Sohum (5819369) (2367) | 0 | 87.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.01.24 | Tata Steel Chess Qualifiers | 1.3 | 2025.01.24 Holzke, Frank (4600428) (2426) | ½ | 95.50% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2024.12.14 | KNSB Meesterklasse 2024-2025 | 5.2 | 2024.12.14 Kollen, Zyon (1024256) (2344) | ½ | 96.60% | 1. Nc3 d5 2. e4 d4 3. Nce2 e5 | |
| 2024.12.01 | Deutsche Schachbundesliga 24-25 | 4.7 | 2024.12.01 Smeets, Jan (1007246) (2561) | 0 | 92.70% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2024.11.30 | Deutsche Schachbundesliga 24-25 | 3.7 | 2024.11.30 Esipenko, Andrey (24175439) (2699) | ½ | 95.60% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.11.23 | KNSB Meesterklasse 2024-2025 | 4.6 | 2024.11.23 Van der Eijk, Martijn (1026534) (2216) | 1 | 96.90% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2024.11.19 | Round 11: Zwirs, Nico - Agdelen, Huseyin Can | 11.6 | 2024.11.19 Agdelen, Huseyin Can (6352260) (2407) | ½ | 99.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.11.18 | Round 10: Predke, Alexandr - Zwirs, Nico | 10.32 | 2024.11.18 Predke, Alexandr (24107581) (2652) | 0 | 90.60% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2024.11.17 | Round 9: Zwirs, Nico - Gurel, Ediz | 9.36 | 2024.11.17 Gurel, Ediz (44507356) (2635) | ½ | 92.20% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.11.16 | Round 8: Maltsevskaya, Aleksandra - Zwirs, Nico | 8.13 | 2024.11.16 Maltsevskaya, Aleksandra (24174041) (2364) | 1 | 87.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.11.15 | Round 7: Zwirs, Nico - Fiedorek, Michal | 7.29 | 2024.11.15 Fiedorek, Michal (1199528) (2295) | * | 93.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.11.12 | Round 6: Djurovic, Peko - Zwirs, Nico | 6.54 | 2024.11.12 Djurovic, Peko (16503902) (2198) | 1 | 90.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.11.12 | Round 5: Zwirs, Nico - Hovakimyan, Vache | 5.26 | 2024.11.12 Hovakimyan, Vache (13317288) (2319) | 0 | 88.00% | 1. d4 Nf6 2. Nf3 d5 3. e3 e6 | |
| 2024.11.11 | Round 4: Starcevic, Ante Leon - Zwirs, Nico | 4.55 | 2024.11.11 Starcevic, Ante Leon (14543613) (2200) | 1 | 98.50% | 1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 | |
| 2024.11.10 | Round 3: Zwirs, Nico - Bodiroga, Predrag | 3.27 | 2024.11.10 Bodiroga, Predrag (915700) (2260) | 0 | 90.50% | 1. e4 e6 2. d4 d5 3. Nc3 dxe4 | |
| 2024.11.09 | Round 2: Bjerre, Jonas Buhl - Zwirs, Nico | 2.6 | 2024.11.09 Bjerre, Jonas Buhl (1444948) (2654) | 0 | 90.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2024.11.09 | Round 3: Fridman, Daniel - Zwirs, Nico | 3.1 | 2024.11.09 Fridman, Daniel (11600454) (2576) | ½ | 99.10% | 1. Nf3 d5 2. e3 Nf6 3. c4 e6 | |
| 2024.11.08 | Round 1: Zwirs, Nico - Goroshchenko, Dmitry | 1.54 | 2024.11.08 Goroshchenko, Dmitry (14115336) (2141) | 1 | 95.20% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2024.11.02 | Round 9: Bosboom, Manuel - Zwirs, Nico | 9.2 | 2024.11.02 Bosboom, Manuel (1000080) (2347) | 1 | 95.50% | 1. Nf3 d5 2. g3 Nd7 3. Bg2 e5 | |
| 2024.11.01 | Round 8: Zwirs, Nico - Labruyere, Roger | 8.4 | 2024.11.01 Labruyere, Roger (1059505) (2280) | 1 | 96.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.10.31 | Round 7: Zwirs, Nico - Smeets, Kobe | 7.3 | 2024.10.31 Smeets, Kobe (1063910) (2328) | ½ | 93.50% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.10.30 | Round 6: Karthikeyan, Murali - Zwirs, Nico | 6.1 | 2024.10.30 Karthikeyan, Murali (5074452) (2624) | 0 | 91.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.10.30 | Round 5: Maris, Ivo - Zwirs, Nico | 5.2 | 2024.10.30 Maris, Ivo (1028146) (2388) | 1 | 96.10% | 1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 | |
| 2024.10.29 | Round 4: Zwirs, Nico - Ten Dam, Bram | 4.3 | 2024.10.29 Ten Dam, Bram (40104877) (2006) | 1 | 96.90% | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2024.10.28 | Round 3: Yasmo, Daniil - Zwirs, Nico | 3.5 | 2024.10.28 Yasmo, Daniil (14199165) (2156) | 1 | 93.60% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2024.10.27 | Round 2: Zwirs, Nico - Bakija, Alan | 2.4 | 2024.10.27 Bakija, Alan (1068016) (2192) | ½ | 96.70% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.10.26 | Round 1: Van Zutphen, Jimmy - Zwirs, Nico | 1.5 | 2024.10.26 Van Zutphen, Jimmy (1013890) (2125) | 1 | 90.30% | 1. d4 Nf6 2. Bf4 g6 3. e3 Bg7 | |
| 2024.10.12 | Round 2: Zwirs, Nico - Van der Hagen, Loek | 2.5 | 2024.10.12 Van der Hagen, Loek (1052853) (2322) | ½ | 80.40% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.09.21 | Round 1: Zwirs, Nico - Pijpers, Arthur | 1.4 | 2024.09.21 Pijpers, Arthur (1019554) (2466) | 0 | 82.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.09.09 | Round 9: Fernandez Garcia, Jose Miguel - Zwirs, Nico | 9.8 | 2024.09.09 Fernandez Garcia, Jose Miguel (22200070) (2368) | 1 | 95.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.09.08 | Round 8: Zwirs, Nico - Ramirez Maillo, Cristian | 8.13 | 2024.09.08 Ramirez Maillo, Cristian (32018746) (1995) | 1 | 92.40% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.09.07 | Round 7: Del Rio De Angelis, Salvador G. - Zwirs, Nico | 7.6 | 2024.09.07 Del Rio De Angelis, Salvador Gabriel (2203138) (2376) | 0 | 89.60% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2024.09.06 | Round 6: Zwirs, Nico - Barrish, Daniel | 6.9 | 2024.09.06 Barrish, Daniel (14304600) (2281) | 1 | 94.10% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.09.05 | Round 5: Ragnarsson, Dagur - Zwirs, Nico | 5.8 | 2024.09.05 Ragnarsson, Dagur (2304058) (2332) | ½ | 97.80% | 1. Nf3 d5 2. g3 c6 3. Bg2 Bg4 | |
| 2024.09.04 | Round 4: Zwirs, Nico - Cruz Ramirez, Nauzet | 4.14 | 2024.09.04 Cruz Ramirez, Nauzet (22249788) (2059) | 1 | 95.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.09.03 | Round 3: Barlov, Dragan - Zwirs, Nico | 3.4 | 2024.09.03 Barlov, Dragan (900214) (2375) | 0 | 93.80% | 1. c4 e6 2. Nc3 d5 3. d4 Nf6 | |
| 2024.09.03 | Round 2: Zwirs, Nico - Mai, Alexander Oliver | 2.5 | 2024.09.03 Mai, Alexander Oliver (2313391) (2182) | 1 | 97.70% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.09.02 | Round 1: Rivero Reyes, Alejandro - Zwirs, Nico | 1.5 | 2024.09.02 Rivero Reyes, Alejandro (94736022) (1820) | 1 | 94.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.08.18 | Round 9: Zwirs, Nico - Yoo, Christopher Woojin | 9.2 | 2024.08.18 Yoo, Christopher Woojin (30909694) (2616) | 1 | 97.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.08.17 | Round 8: Zwirs, Nico - Gloeckler, Christian | 8.6 | 2024.08.17 Gloeckler, Christian (34608966) (2289) | 1 | 97.90% | 1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 | |
| 2024.08.16 | Round 7: Korobov, Anton - Zwirs, Nico | 7.1 | 2024.08.16 Korobov, Anton (14105730) (2648) | ½ | 94.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.08.15 | Round 6: Zwirs, Nico - Meins, Gerlef | 6.7 | 2024.08.15 Meins, Gerlef (4620895) (2384) | 1 | 92.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.08.14 | Round 5: Zuferi, Enis - Zwirs, Nico | 5.6 | 2024.08.14 Zuferi, Enis (24692530) (2394) | ½ | 98.00% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2024.08.13 | Round 4: Zwirs, Nico - Van der Hagen, Loek | 4.8 | 2024.08.13 Van der Hagen, Loek (1052853) (2334) | 1 | 98.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.08.12 | Round 3: Lain, Luigi - Zwirs, Nico | 3.8 | 2024.08.12 Lain, Luigi (813001) (2236) | ½ | 96.40% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2024.08.11 | Round 2: Zwirs, Nico - Pipiras, Filipa Fortuna | 2.9 | 2024.08.11 Pipiras, Filipa Fortuna (1944894) (2192) | 1 | 97.10% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.08.10 | Round 1: Sommer, Justus - Zwirs, Nico | 1.10 | 2024.08.10 Sommer, Justus (16245008) (2075) | 1 | 96.80% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2024.06.23 | Round 9: Zwirs, Nico - Hercegovac, Neven | 2024.06.23 Hercegovac, Neven (2839135) (2314) | 1 | 98.50% | 1. Nf3 Nf6 2. c4 e6 3. g3 d5 | ||
| 2024.06.22 | Round 8: Song, Julien - Zwirs, Nico | 2024.06.22 Song, Julien (659487) (2314) | ½ | 97.90% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | ||
| 2024.06.21 | Round 7: Zwirs, Nico - Yaniv, Yuval | 2024.06.21 Yaniv, Yuval (2823900) (2335) | ½ | 96.60% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | ||
| 2024.06.20 | Teplice 2024 | 6 | 2024.06.20 Karthik Rajaa (25035215) (2353) | ½ | 98.80% | 1. Nf3 d5 2. d4 Nf6 3. c3 e6 | |
| 2024.06.19 | Round 5: Zwirs, Nico - Ajay Krishna, S | 2024.06.19 Ajay Krishna, S (5096430) (2359) | ½ | 98.60% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.06.18 | Round 4: Martin, Julian - Zwirs, Nico | 2024.06.18 Martin, Julian (12941000) (2402) | 0 | 87.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2024.06.17 | Round 3: Zwirs, Nico - Senthil Maran K | 2024.06.17 Senthil Maran K (25035681) (2348) | 1 | 98.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2024.06.16 | Round 2: Kolbus, Dietmar - Zwirs, Nico | 2024.06.16 Kolbus, Dietmar (4610628) (2234) | 1 | 95.90% | 1. d4 d5 2. Nf3 Nf6 3. g3 c6 | ||
| 2024.06.15 | Round 1: Zwirs, Nico - Nielsen, Morten Majlund | 2024.06.15 Nielsen, Morten Majlund (1445448) (2048) | 1 | 98.50% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2024.04.14 | PlayOff | 02-01 | 2024.04.14 Favaloro, Andrea (885940) (2412) | ½ | 98.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.04.13 | PlayOff | 01-02 | 2024.04.13 Jianu, Vlad-Cristian (1208110) (2506) | ½ | 96.40% | 1. d4 d5 2. Nf3 Nf6 3. g3 c5 | |
| 2024.04.13 | PlayOff | 01 | 2024.04.13 Jianu, Vlad-Cristian (1208110) (2506) | ½ | 99.30% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2024.04.10 | Group B | 04 | 2024.04.10 Ceres, Dragos (13905864) (2486) | ½ | 95.10% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.04.09 | Group B | 03 | 2024.04.09 Mastrovasilis, Dimitrios (4202694) (2576) | ½ | 98.40% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2024.04.08 | Group B | 01 | 2024.04.08 Ivanisevic, Ivan (912417) (2518) | ½ | 98.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.03.17 | Schachbundesliga 2023 / 2024 | 13.8 | 2024.03.17 Winterberg, Lukas (24622702) (2420) | ½ | 96.60% | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 | |
| 2024.03.16 | Schachbundesliga 2023 / 2024 | 12.7 | 2024.03.16 Geirnaert, Steven (203866) (2423) | 0 | 87.70% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2024.02.25 | Schachbundesliga 23/24 | 11.55 | 2024.02.25 Hoeffer, David (24606766) (2312) | 1 | 92.30% | 1. d4 d5 2. Nc3 Nf6 3. Bf4 e6 | |
| 2024.02.24 | Schachbundesliga 23/24 | 10.56 | 2024.02.24 Hoffmann, Paul (4664450) (2382) | ½ | 95.90% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2024.01.28 | Tata Steel Toptienkamp 2024 | 9.3 | 2024.01.28 Abdulla, Murad (2403757) (2332) | 0 | 92.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.01.27 | Tata Steel Toptienkamp 2024 | 8.3 | 2024.01.27 Van Foreest, Machteld (1051563) (2363) | 1 | 98.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2024.01.26 | Tata Steel Toptienkamp 2024 | 7.1 | 2024.01.26 Pijpers, Arthur (1019554) (2441) | ½ | 97.00% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.01.24 | Tata Steel Toptienkamp 2024 | 6.1 | 2024.01.24 Holzke, Frank (4600428) (2460) | ½ | 97.00% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2024.01.23 | Tata Steel Toptienkamp 2024 | 5.3 | 2024.01.23 Bekker, Stefan (1022229) (2274) | 1 | 94.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.01.22 | Tata Steel Toptienkamp 2024 | 4.4 | 2024.01.22 De Winter, Arthur (1069020) (2409) | 1 | 93.00% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.01.21 | Tata Steel Toptienkamp 2024 | 3.5 | 2024.01.21 Pastar, Slaven (14402718) (2343) | ½ | 96.90% | 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 | |
| 2024.01.20 | Tata Steel Toptienkamp 2024 | 2.3 | 2024.01.20 Baselmans, Luuk (1051008) (2323) | 1 | 94.40% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2024.01.19 | Tata Steel Toptienkamp 2024 | 1.3 | 2024.01.19 Niermann, Tristan (12990698) (2413) | 0 | 89.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.11.12 | 4NCL Division 1 2023-2024 | 2.9 | 2023.11.12 Jones, Gawain C B (2618) | ½ | 96.50% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2023.11.11 | 4NCL Division 1 2023-2024 | 1.29 | 2023.11.11 Mirzoeva, Elmira (4127951) (2250) | 1 | 98.70% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2023.10.28 | Hoogeveen Open 2023 | 9.2 | 2023.10.28 De Winter, Arthur (1069020) (2397) | 1 | 94.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.10.27 | Hoogeveen Open 2023 | 8.2 | 2023.10.27 Van Dael, Siem (1049771) (2321) | ½ | 98.60% | 1. e4 c5 2. Nc3 d6 3. Bb5+ Bd7 | |
| 2023.10.26 | Hoogeveen Open 2023 | 7.2 | 2023.10.26 Ernst, Sipke (1004689) (2551) | 1 | 96.60% | 1. d4 d5 2. Nf3 Nf6 3. e3 c5 | |
| 2023.10.25 | Hoogeveen Open 2023 | 6.1 | 2023.10.25 Krishnan, Ritvik (45055297) (2176) | ½ | 91.70% | 1. e4 e6 2. d4 d5 3. Nd2 c5 | |
| 2023.10.25 | Hoogeveen Open 2023 | 5.4 | 2023.10.25 Slagboom, Leandro (1065882) (2305) | 1 | 93.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.10.24 | Hoogeveen Open 2023 | 4.2 | 2023.10.24 Lodici, Lorenzo (884189) (2537) | ½ | 94.70% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2023.10.23 | Hoogeveen Open 2023 | 3.1 | 2023.10.23 Paltrinieri, Nicholas (828262) (2344) | ½ | 97.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.10.22 | Hoogeveen Open 2023 | 2.3 | 2023.10.22 Van Rootselaar, Rik (1088572) (2015) | 1 | 92.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2023.10.21 | Hoogeveen Open 2023 | 1.3 | 2023.10.21 Boeren, Jurriaan (1067478) (2120) | 1 | 89.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.05.29 | Limburg Open | 7 | 2023.05.29 Beerdsen, Thomas (1030108) (2507) | ½ | 93.70% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | |
| 2023.05.29 | Limburg Open | 6 | 2023.05.29 Schilstra, Laurens (1043218) (2070) | 1 | 93.10% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2023.02.26 | Schachbundesliga | 9 | 2023.02.26 Buckels, Valentin (12942766) (2456) | 0 | 92.40% | 1. d4 d5 2. Nf3 Nf6 3. c4 e6 | |
| 2023.02.25 | Schachbundesliga | 8 | 2023.02.25 Handke, Florian, Dr. (4634527) (2526) | 0 | 90.00% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2023.02.05 | Schachbundesliga | 6 | 2023.02.05 Petrov, Martin (2911086) (2530) | ½ | 97.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.02.04 | Schachbundesliga | 5 | 2023.02.04 Tadic, Branko (916412) (2455) | ½ | 96.70% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2023.01.29 | Tata Steel Chess 2023 Qualifiers | 9.4 | 2023.01.29 Lopez, Jasel (15900045) (2434) | ½ | 90.30% | 1. c4 e6 2. Nc3 d5 3. d4 Nf6 | |
| 2023.01.28 | Tata Steel Chess 2023 Qualifiers | 8.1 | 2023.01.28 Beukema, Stefan (1024523) (2411) | 0 | 89.30% | 1. d4 f5 2. Nc3 Nf6 3. Bf4 d6 | |
| 2023.01.27 | Tata Steel Chess 2023 Qualifiers | 7.1 | 2023.01.27 Pijpers, Arthur (1019554) (2445) | 0 | 86.60% | 1. e4 c5 2. Nc3 d6 3. d4 cxd4 | |
| 2023.01.25 | Tata Steel Chess 2023 Qualifiers | 6.3 | 2023.01.25 van der Werf, Mark (1000470) (2412) | 1 | 92.80% | 1. Nf3 Nf6 2. c4 b6 3. d4 Bb7 | |
| 2023.01.24 | Tata Steel Chess 2023 Qualifiers | 5.1 | 2023.01.24 de Winter, Arthur (1069020) (2371) | 0 | 85.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.01.23 | Tata Steel Chess 2023 Qualifiers | 4.5 | 2023.01.23 Martins, Vinicius Tine (2112884) (2320) | 1 | 92.10% | 1. Nf3 d5 2. e3 Nf6 3. b3 e6 | |
| 2023.01.22 | Tata Steel Chess 2023 Qualifiers | 3.2 | 2023.01.22 Pham, Khoi (2353) | 1 | 93.30% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2023.01.21 | Tata Steel Chess 2023 Qualifiers | 2.4 | 2023.01.21 van Dael, Siem (1049771) (2291) | 1 | 93.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.01.20 | Tata Steel Chess 2023 Qualifiers | 1.3 | 2023.01.20 Culum, Sanjin (14420937) (2242) | 1 | 95.60% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| Round 9: Zwirs, Nico - Borne, Felix | 9.16 | Borne, Felix (551039915) (2328) | ½ | 98.80% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| Round 8: Georgiadis, Anastasios - Zwirs, Nico | 8.14 | Georgiadis, Anastasios (25870173) (2232) | ½ | 94.40% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | ||
| Round 7: Parvanyan, Ashot - Zwirs, Nico | 7.12 | Parvanyan, Ashot (13307550) (2403) | 0 | 83.20% | 1. Nf3 d5 2. d4 Nf6 3. c4 e6 | ||
| Round 6: Zwirs, Nico - Kollars, Dmitrij | 6.4 | Kollars, Dmitrij (12909572) (2644) | ½ | 94.40% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | ||
| Round 5: Zwirs, Nico - Herrmann, Jakob | 5.12 | Herrmann, Jakob (16287169) (2283) | 1 | 87.70% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | ||
| Round 4: Choukri, Adel - Zwirs, Nico | 4.12 | Choukri, Adel (9000399) (2297) | ½ | 92.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| Round 3: Zwirs, Nico - Soumya, Swaminathan | 3.10 | Soumya, Swaminathan (5016193) (2216) | ½ | 98.90% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| Round 2: Albert, Markus - Zwirs, Nico | 2.13 | Albert, Markus (16292626) (2250) | 1 | 98.60% | 1. Nc3 d5 2. e4 d4 3. Nce2 e5 | ||
| Round 1: Zwirs, Nico - Frank, Anton | 1.16 | Frank, Anton (1752383) (2148) | 1 | 94.50% | 1. Nf3 d5 2. d4 Nf6 3. e3 c5 | ||
| 2023.09.02 | Round 9 (Top boards): Alex Garrido Outón - Nico Zwirs | 2023.09.02 Alex Garrido Outón (2398) | 0 | 93.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.09.01 | Round 8 (Top boards): Nico Zwirs - Guy Gov | 2023.09.01 Guy Gov (2100) | 1 | 98.50% | 1. c4 e6 2. g3 Nf6 3. Bg2 d5 | ||
| 2023.08.31 | Round 7 (Top boards): Sohum Lohia - Nico Zwirs | 2023.08.31 Sohum Lohia (2271) | ½ | 98.50% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 | ||
| 2023.08.30 | Round 6 (Top boards): Nico Zwirs - Victor Mikhalevski | 2023.08.30 Victor Mikhalevski (2513) | ½ | 87.50% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.08.29 | Maia Open | 5 | 2023.08.29 Manuel Perez Candelario (2573) | ½ | 93.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2023.08.28 | Maia Open | 4 | 2023.08.28 Luca Jr Moroni (2573) | ½ | 95.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2023.08.27 | Maia Chess Open 2023 (25/08 - 02/09) | 3 | 2023.08.27 Natalia Zhukova (2310) | 1 | 87.50% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2023.08.26 | Maia Chess Open 2023 (25/08 - 02/09) | 2 | 2023.08.26 Samuel Malka (2200) | 1 | 90.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2023.08.25 | new tournament description | 1 | 2023.08.25 Joao Carlos Dos Santos Ferreira Cordeiro (2059) | 1 | 92.70% | 1. d4 Nf6 2. Nf3 d5 3. g3 c5 | |
| 2023.08.03 | Round 9: Nico Zwirs - Sankalp Gupta | 2023.08.03 Sankalp Gupta | ½ | 98.30% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | ||
| 2023.08.02 | Round 8: Arthur De Winter - Nico Zwirs | 2023.08.02 Arthur De Winter | 1 | 92.30% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | ||
| 2023.08.01 | Round 7: Nico Zwirs - Prraneeth Vuppala | 2023.08.01 Prraneeth Vuppala (46622373) | 0 | 88.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | ||
| 2023.07.31 | Round 6: Willy Hendriks - Nico Zwirs | 2023.07.31 Willy Hendriks | 1 | 86.70% | 1. e4 e5 2. Bc4 Nf6 3. d3 Bc5 | ||
| 2023.07.29 | Round 5: Nico Zwirs - Rick Duijker | 2023.07.29 Rick Duijker | 1 | 92.70% | 1. e4 e6 2. d4 d5 3. Nd2 Nf6 | ||
| 2023.07.28 | Round 4: Eelke De Boer - Nico Zwirs | 2023.07.28 Eelke De Boer | ½ | 94.30% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| 2023.07.27 | Round 3: Nico Zwirs - Martijn Otten | 2023.07.27 Martijn Otten | 1 | 96.80% | 1. c4 c6 2. Nf3 d5 3. g3 Nf6 | ||
| 2023.07.26 | Round 2: Hendrik Decrop - Nico Zwirs | 2023.07.26 Hendrik Decrop | 0 | 91.80% | 1. e4 c5 2. Nc3 Nc6 3. Nge2 d6 | ||
| 2023.07.25 | Round 1: Nico Zwirs - Thomas Kools | 2023.07.25 Thomas Kools | 1 | 85.30% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2023.07.23 | Round 9: Merijn Van Delft - Nico Zwirs | 2023.07.23 Merijn Van Delft | ½ | 97.20% | 1. Nf3 d5 2. g3 Nc6 3. d4 Nf6 | ||
| 2023.07.21 | Round 8: Nico Zwirs - Li Riemersma | 2023.07.21 Li Riemersma | ½ | 98.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | ||
| 2023.07.21 | Round 7: Albert Blees - Nico Zwirs | 2023.07.21 Albert Blees | ½ | 95.10% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | ||
| 2023.07.20 | Round 6: Nico Zwirs - Onno Elgersma | 2023.07.20 Onno Elgersma | 1 | 95.00% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | ||
| 2023.07.19 | Round 5: Pieter Hopman - Nico Zwirs | 2023.07.19 Pieter Hopman | ½ | 97.90% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | ||
| 2023.07.18 | Round 4: Nico Zwirs - Bob Beeke | 2023.07.18 Bob Beeke | ½ | 89.40% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 | ||
| 2023.07.17 | Round 3: Tom De Jong - Nico Zwirs | 2023.07.17 Tom De Jong | 1 | 97.90% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | ||
| 2023.07.16 | Round 2: Nico Zwirs - Renzo Finkenflugel | 2023.07.16 Renzo Finkenflugel | 1 | 96.50% | 1. e4 e5 2. Nc3 Nc6 3. g3 Bc5 | ||
| 2023.07.15 | Round 1: Floris Golbach - Nico Zwirs | 2023.07.15 Floris Golbach | 1 | 85.20% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | ||
| 2023.06.25 | HSG Open 2023 A | 6 | 2023.06.25 Eline Roebers | 0 | 84.80% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2023.06.25 | Round 5: Nico Zwirs - Bjorn Thorfinnsson | 2023.06.25 Bjorn Thorfinnsson | 1 | 98.70% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | ||
| 2023.06.24 | Round 4: Max Warmerdam - Nico Zwirs | 2023.06.24 Max Warmerdam | 0 | 86.30% | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | ||
| 2023.06.24 | Round 3: Roger Labruyere - Nico Zwirs | 2023.06.24 Roger Labruyere | 1 | 90.30% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | ||
| 2023.06.23 | Round 2: Nico Zwirs - Jan Roebers | 2023.06.23 Jan Roebers | 1 | 94.60% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | ||
| 2023.06.23 | Round 1: Arnd Los - Nico Zwirs | 2023.06.23 Arnd Los | 1 | 94.10% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | ||
| 2023.02.24 | Round 9: Nico Zwirs - Harsha Bharathakoti | 2023.02.24 Harsha Bharathakoti (5078776) | 0 | 92.50% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | ||
| 2023.02.22 | Round 7: Nico Zwirs - Viani Antonio Dcunha | 2023.02.22 Viani Antonio Dcunha (5027330) | ½ | 94.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.02.22 | Round 6: S. Nitin - Nico Zwirs | 2023.02.22 S. Nitin | ½ | 97.10% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | ||
| 2023.02.21 | Round 5: Nico Zwirs - Etienne Bauduin | 2023.02.21 Etienne Bauduin | 1 | 96.10% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 | ||
| 2023.02.20 | Round 3: Nico Zwirs - Rao Sharan | 2023.02.20 Rao Sharan | 0 | 60.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2023.02.19 | Round 2: Nicolo Napoli - Nico Zwirs | 2023.02.19 Nicolo Napoli | 1 | 97.20% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | ||
| 2023.02.19 | Round 1: Nico Zwirs - Julian Garrigue | 2023.02.19 Julian Garrigue | 1 | 96.00% | 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 |