Player profile
Willems, Niels
Dossier
119 of 149 games analyzed.
Accuracy: 93%
Opened c4: 48/53Opened e4: 3/53Opened d4: 2/53
Castled kingside: 87Same-side castling: 87Did not castle: 11Castled queenside: 8Opposite-side castling: 3
Fianchettoed queenside: 34Played in the center: 33Fianchettoed kingside: 31Played on the queenside: 28Played on the kingside: 21
Active pieces: 72Initiated exchanges: 69Space advantage: 69Sacrificed material: 64Backward pawn: 59Isolated pawn: 53Kept the bishop pair: 53Avoided exchanges: 20Played gambits: 17Missed tactics: 13
Openings
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As White 69 games 33W 20D 16L
English Opening 52 games 26W 12D 14L
Agincourt Defense 18 games 6W 8D 4L
(unspecified)
18 games
6W
8D
4L
King's English Variation 14 games 7W 1D 6L
Kramnik-Shirov Counterattack
5 games
2W
1D
2L
Three Knights System
2 games
1W
0D
1L
Four Knights Variation, Flexible Line
2 games
2W
0D
0L
Adhiban Gambit
2 games
1W
0D
1L
(unspecified)
1 game
1W
0D
0L
Reversed Sicilian
1 game
0W
0D
1L
Four Knights Variation
1 game
0W
0D
1L
Symmetrical Variation 7 games 5W 1D 1L
Three Knights, Fianchetto Variation
2 games
1W
1D
0L
(unspecified)
2 games
2W
0D
0L
Three Knights Variation
1 game
0W
0D
1L
Normal Variation
1 game
1W
0D
0L
Full Symmetry Line
1 game
1W
0D
0L
Anglo-Indian Defense 7 games 5W 1D 1L
Hedgehog System
5 games
3W
1D
1L
Queen's Knight Variation
2 games
2W
0D
0L
Great Snake Variation 3 games 1W 1D 1L
(unspecified)
3 games
1W
1D
1L
Four Knights System 2 games 1W 0D 1L
Nimzowitsch Variation
2 games
1W
0D
1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 5 games 4W 1D 0L
Fianchetto Variation 5 games 4W 1D 0L
Panno Variation
2 games
1W
1D
0L
Carlsbad Variation
1 game
1W
0D
0L
Classical Fianchetto
1 game
1W
0D
0L
Double Fianchetto Attack
1 game
1W
0D
0L
French Defense 3 games 0W 3D 0L
Steinitz Variation 2 games 0W 2D 0L
Boleslavsky Variation
2 games
0W
2D
0L
Exchange Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Réti Opening 2 games 2W 0D 0L
Anglo-Slav Variation 2 games 2W 0D 0L
Gurevich System
2 games
2W
0D
0L
Sicilian Defense 2 games 0W 1D 1L
Moscow Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Najdorf Variation 1 game 0W 0D 1L
Opocensky Variation
1 game
0W
0D
1L
Tarrasch Defense 1 game 0W 1D 0L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Pirc Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Quiet System, Chigorin Line
1 game
1W
0D
0L
Old Indian Defense 1 game 0W 0D 1L
Two Knights Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Philidor Defense 1 game 0W 1D 0L
Lion Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Pawn Game 1 game 0W 1D 0L
Chigorin Variation 1 game 0W 1D 0L
Alburt Defense
1 game
0W
1D
0L
As Black 67 games 23W 24D 19L
Caro-Kann Defense 19 games 7W 8D 4L
Advance Variation 6 games 3W 2D 1L
(unspecified)
3 games
1W
2D
0L
Tal Variation
2 games
2W
0D
0L
Short Variation
1 game
0W
0D
1L
Exchange Variation 3 games 1W 1D 1L
(unspecified)
2 games
1W
1D
0L
Rubinstein Variation
1 game
0W
0D
1L
Two Knights Attack 2 games 1W 0D 1L
(unspecified)
1 game
1W
0D
0L
Mindeno Variation, Exchange Line
1 game
0W
0D
1L
Maróczy Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Classical Variation 2 games 0W 2D 0L
Spassky Variation
1 game
0W
1D
0L
(unspecified)
1 game
0W
1D
0L
Tartakower Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Endgame Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Panov Attack 1 game 0W 1D 0L
Modern Defense
1 game
0W
1D
0L
Breyer Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Declined 8 games 3W 1D 4L
Semi-Tarrasch Defense 6 games 3W 0D 3L
Exchange Variation
6 games
3W
0D
3L
Westphalian Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Barmen Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Sicilian Defense 7 games 3W 3D 1L
Najdorf Variation 4 games 2W 1D 1L
Zagreb Variation
1 game
0W
0D
1L
Opocensky Variation, Traditional Line
1 game
1W
0D
0L
English Attack
1 game
1W
0D
0L
Adams Attack
1 game
0W
1D
0L
Modern Variations 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
Alapin Variation 1 game 1W 0D 0L
Smith-Morra Declined
1 game
1W
0D
0L
Queen's Pawn Game 6 games 3W 1D 2L
London System 3 games 2W 0D 1L
(unspecified)
3 games
2W
0D
1L
Torre Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Symmetrical Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Colle System 1 game 1W 0D 0L
Traditional Colle
1 game
1W
0D
0L
English Opening 6 games 1W 1D 4L
Symmetrical Variation 4 games 1W 1D 2L
Anti-Benoni Variation, Geller Variation
1 game
0W
1D
0L
Anti-Benoni Variation, Spielmann Defense
1 game
0W
0D
1L
(unspecified)
1 game
0W
0D
1L
Rubinstein Variation
1 game
1W
0D
0L
Anglo-Indian Defense 2 games 0W 0D 2L
King's Knight Variation
1 game
0W
0D
1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 5 games 2W 3D 0L
Classical Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Three Knights Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Kmoch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Normal Variation 1 game 0W 1D 0L
Ragozin Variation
1 game
0W
1D
0L
Ruy Lopez 3 games 1W 2D 0L
Morphy Defense 2 games 1W 1D 0L
Anderssen Variation
2 games
1W
1D
0L
Open 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Zukertort Opening 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
(unspecified)
3 games
2W
1D
0L
Indian Defense 2 games 0W 0D 1L
Tartakower Attack 1 game 0W 0D 0L
(unspecified)
1 game
0W
0D
0L
Normal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Catalan Opening 2 games 0W 1D 1L
Open Defense 2 games 0W 1D 1L
(unspecified)
1 game
0W
1D
0L
Classical Line
1 game
0W
0D
1L
Italian Game 2 games 0W 1D 1L
Classical Variation 1 game 0W 1D 0L
Giuoco Pianissimo
1 game
0W
1D
0L
Two Knights Defense 1 game 0W 0D 1L
Modern Bishop's Opening
1 game
0W
0D
1L
Trompowsky Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Scotch Game 1 game 1W 0D 0L
Scotch Gambit 1 game 1W 0D 0L
Advance Variation
1 game
1W
0D
0L
Tarrasch Defense 1 game 0W 0D 1L
Dubov Tarrasch 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Grünfeld Defense 1 game 0W 1D 0L
Three Knights Variation 1 game 0W 1D 0L
Burille Variation, Reversed Tarrasch
1 game
0W
1D
0L
Blunders Top 4 of 331
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 149 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.11 | SMM NLA 2026 | 9.34 | 2026.10.11 Bauer, Christian (603767) (2556) | 1 | 95.10% | 1. c4 g6 2. Nf3 Bg7 3. Nc3 c5 | |
| 2026.10.10 | SMM NLA 2026 | 8.10 | 2026.10.10 Atlas, Valery (12000035) (2387) | 0 | 80.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.08.31 | SUI-chT Echallens-Nyon | 7.2 | 2026.08.31 Buss, Ralph (1305697) (2326) | ½ | 99.30% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.08.31 | SUI-chT Nyon-Wollishofen | 6.3 | 2026.08.31 Hochstrasser, Michael (1302981) (2308) | 1 | 96.20% | 1. c4 g6 2. Nf3 Bg7 3. Nc3 d6 | |
| 2026.06.23 | SUI-chT Nyon-Bodan | 4.5 | 2026.06.23 Knoedler, Dieter, Dr. (4606531) (2265) | ½ | - | 1. c4 e6 2. Nc3 Nf6 3. Nf3 c5 | |
| 2026.06.21 | SMM 2026 | 5.2 | 2026.06.21 Degtiarev, Evgeny (4149610) (2383) | 1 | - | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2026.05.17 | Round 5: Ivanisevic, Ivan - Willems, Niels | 5.18 | 2026.05.17 Ivanisevic, Ivan (912417) (2532) | 0 | 87.00% | 1. d4 Nf6 2. Bg5 d5 3. Nf3 c5 | |
| 2026.05.14 | Round 3: Willems, Niels - Gumularz, Szymon | 3.20 | 2026.05.14 Gumularz, Szymon (1188062) (2532) | 0 | 88.60% | 1. c4 g6 2. Nc3 Bg7 3. g3 e6 | |
| 2026.04.23 | Round 9: Peng, Li Min - Willems, Niels | 9.2 | 2026.04.23 Peng, Li Min (14112620) (2536) | ½ | 98.30% | 1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 | |
| 2026.04.22 | Round 8: Willems, Niels - Lacanrus, David | 8.7 | 2026.04.22 Lacanrus, David (651019175) | 1 | 95.90% | 1. c4 c5 2. Nf3 Nc6 3. Nc3 g6 | |
| 2026.04.22 | Round 7: Materia, Marco - Willems, Niels | 7.3 | 2026.04.22 Materia, Marco (45150451) (2495) | 0 | 92.90% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.04.21 | Round 6: Willems, Niels - Sanket Chakravarty | 6.8 | 2026.04.21 Sanket Chakravarty (25032038) (2355) | ½ | 96.80% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2026.04.06 | Grenke Chess Festival 2026 Open | 8.43 | 2026.04.06 Pillard, Valentin (20666764) (2277) | * | - | 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2026.04.05 | Grenke Chess Festival 2026 Open | 7.11 | 2026.04.05 Chasin, Nico (30908477) (2500) | 0 | 80.40% | 1. c4 e5 2. Nc3 Bb4 3. Qc2 d6 | |
| 2026.04.05 | Grenke Chess Festival 2026 Open | 6.7 | 2026.04.05 Koellner, Ruben Gideon (12993093) (2506) | ½ | 49.40% | 1. d4 Nf6 2. Bg5 d5 3. e3 c5 | |
| 2026.04.04 | Grenke Chess Festival 2026 Open | 5.28 | 2026.04.04 Coman, Mihnea-George (1240196) (2251) | 1 | 94.00% | 1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 | |
| 2026.04.04 | Grenke Chess Festival 2026 Open | 4.58 | 2026.04.04 Bokorovics, Bertalan (17007658) (2248) | 1 | 93.10% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | |
| 2026.04.03 | Grenke Chess Festival 2026 Open | 2.67 | 2026.04.03 Edwardss, Dylan (1057847) (2178) | ½ | 89.30% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.04.02 | Grenke Chess Festival 2026 Open | 1.78 | 2026.04.02 Koellner, Christof (4635787) (2084) | 1 | 94.70% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2026.02.08 | Sligo 2026 Open | 9.1 | 2026.02.08 Blohberger, Felix (1632051) (2543) | 0 | - | 1. Nf3 Nf6 2. c4 c5 3. b3 Nc6 | |
| 2026.02.08 | Sligo 2026 Rapid | 7.2 | 2026.02.08 Woods, Christopher (2518201) (2077) | 0 | - | 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 | |
| 2026.02.08 | Sligo 2026 Rapid | 5.2 | 2026.02.08 Liu, Jason (2514656) (2236) | 1 | - | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2026.02.08 | Sligo 2026 Rapid | 4.2 | 2026.02.08 Fernandez Manrique, Agustin (2231000) (2054) | 1 | - | 1. c4 g6 2. Nc3 Bg7 3. g3 Nf6 | |
| 2026.02.08 | Sligo 2026 Rapid | 3.4 | 2026.02.08 Hushpit, Lukian (14189208) (1979) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.02.08 | Sligo 2026 Rapid | 2.5 | 2026.02.08 McDonnell, Joseph A. (2507277) (1756) | 1 | - | 1. d4 Nf6 2. Nc3 g6 3. e4 d6 | |
| 2026.02.08 | Sligo 2026 Rapid | 1.6 | 2026.02.08 Senthilnathan, Chirag (2531810) (1413) | 1 | - | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.02.07 | Sligo 2026 Open | 8.3 | 2026.02.07 Ribeiro, Gustavo (1941852) (2276) | 1 | - | 1. c4 d6 2. Nc3 e5 3. Nf3 f5 | |
| 2026.02.07 | Sligo 2026 Blitz | 11.2 | 2026.02.07 Ribeiro, Gustavo (1941852) (2355) | 0 | - | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 | |
| 2026.02.07 | Sligo 2026 Blitz | 10.4 | 2026.02.07 Risteski, Emil (15005267) (2274) | 1 | - | 1. c4 d6 2. Nc3 g6 3. g3 Bg7 | |
| 2026.02.07 | Sligo 2026 Blitz | 9.1 | 2026.02.07 Krastev, Alexander (12989983) (2434) | ½ | - | 1. e4 c6 2. Nf3 d5 3. d3 dxe4 | |
| 2026.02.07 | Sligo 2026 Blitz | 8.4 | 2026.02.07 Kufa, Pavel (310069) (2117) | 1 | - | 1. e4 c5 2. d4 cxd4 3. c3 Nf6 | |
| 2026.02.07 | Sligo 2026 Blitz | 6.5 | 2026.02.07 Barnes, Oliver (2517604) (2032) | 1 | - | 1. c4 e5 2. Nc3 Nc6 3. Nf3 Nge7 | |
| 2026.02.07 | Sligo 2026 Blitz | 7.2 | 2026.02.07 Liu, Jason (2514656) (2055) | 0 | - | 1. c4 c5 2. Nf3 Nf6 3. Nc3 d5 | |
| 2026.02.07 | Sligo 2026 Blitz | 5.4 | 2026.02.07 O`Flaherty, Kevin (2502283) (1956) | 1 | 96.30% | 1. Nf3 Nf6 2. d4 d5 3. Bf4 c5 | |
| 2026.02.07 | Sligo 2026 Blitz | 4.3 | 2026.02.07 Rakhmangulov, Andrei (14101467) (2262) | 0 | 90.70% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 | |
| 2026.02.07 | Sligo 2026 Blitz | 3.4 | 2026.02.07 Fathallah, Joe (1801899) (1956) | ½ | 88.50% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.02.07 | Sligo 2026 Blitz | 2.4 | 2026.02.07 Bartczak, Korneliusz (2523558) (2077) | 1 | 90.80% | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | |
| 2026.02.07 | Sligo 2026 Blitz | 1.4 | 2026.02.07 Salmin, Vitaliy (34147885) (1802) | 1 | 91.20% | 1. e4 c6 2. d4 d5 3. f3 Qb6 | |
| 2026.02.06 | Sligo 2026 Open | 7.4 | 2026.02.06 Rakhmangulov, Andrei (14101467) (2262) | ½ | 99.00% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | |
| 2026.02.05 | Sligo 2026 Rapid | 6.1 | 2026.02.05 Krastev, Alexander (12989983) (2456) | ½ | - | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2026.02.05 | Sligo 2026 Open | 6.5 | 2026.02.05 Hushpit, Lukian (14189208) (2100) | 1 | 96.30% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2026.02.05 | Sligo 2026 Open | 5.4 | 2026.02.05 Bartczak, Korneliusz (2523558) (2077) | ½ | 99.20% | 1. e4 c6 2. d4 d5 3. Nc3 dxe4 | |
| 2026.02.04 | Sligo 2026 Open | 4.3 | 2026.02.04 Rosol, Philip (1664905) (2271) | 0 | 89.00% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2026.02.03 | Sligo 2026 Open | 3.4 | 2026.02.03 Liu, Jason (2514656) (2181) | ½ | 94.90% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.02.03 | Sligo 2026 Open | 2.4 | 2026.02.03 Barnes, Oliver (2517604) (2013) | 1 | 99.40% | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 | |
| 2026.02.02 | Sligo 2026 Open | 1.4 | 2026.02.02 Melling, Jonathon (841790) (1878) | 1 | 98.30% | 1. d4 Nf6 2. Bf4 d5 3. e3 c5 | |
| 2025.12.03 | Round 9: Vijayakumar, Rishi - Willems, Niels | 9.28 | 2025.12.03 Vijayakumar, Rishi (2408953) (2280) | 0 | 86.00% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.12.02 | Round 8: Willems, Niels - Kazarian, Anna-Maja | 8.7 | 2025.12.02 Kazarian, Anna-Maja (1033689) (2272) | 0 | 89.40% | 1. c4 e5 2. Nc3 d6 3. g3 f5 | |
| 2025.12.01 | Round 7: Rozen, Eytan - Willems, Niels | 7.5 | 2025.12.01 Rozen, Eytan (2816750) (2515) | 0 | 90.00% | 1. g3 Nf6 2. Bg2 c5 3. c4 Nc6 | |
| 2025.11.30 | Round 6: Willems, Niels - Grieve, Harry | 6.7 | 2025.11.30 Grieve, Harry (426520) (2491) | ½ | 89.00% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.11.30 | Round 5: Magold, Filip - Willems, Niels | 5.11 | 2025.11.30 Magold, Filip (1254456) (2465) | 1 | 94.00% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.11.29 | Round 4: Willems, Niels - Carroll, Peter | 4.21 | 2025.11.29 Carroll, Peter (2510243) (2165) | 1 | 96.20% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2025.11.28 | Round 3: Stone, Andrew M - Willems, Niels | 3.26 | 2025.11.28 Stone, Andrew M (404985) (2122) | ½ | 96.10% | 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 | |
| 2025.11.28 | Round 2: Willems, Niels - Fernandez, Daniel Howard | 2.9 | 2025.11.28 Fernandez, Daniel Howard (5801605) (2501) | 0 | 91.30% | 1. c4 e5 2. Nc3 Bb4 3. Qc2 Nf6 | |
| 2025.11.27 | Round 1: Khachatouri, Saro - Willems, Niels | 1.42 | 2025.11.27 Khachatouri, Saro (1638076) (2100) | 1 | 95.80% | 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 | |
| 2025.10.25 | Round 7: Willems, Niels - Burcu, Cagatay | 7.33 | 2025.10.25 Burcu, Cagatay (6310630) (2255) | 1 | 97.70% | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 | |
| 2025.10.24 | Round 6: Willems, Niels - Lindgren, Philip | 6.15 | 2025.10.24 Lindgren, Philip (1713230) (2385) | 1 | 91.30% | 1. c4 c6 2. Nf3 d5 3. e3 Nf6 | |
| 2025.10.23 | Round 5: Gledura, Benjamin - Willems, Niels | 5.15 | 2025.10.23 Gledura, Benjamin (712779) (2643) | 0 | 94.00% | 1. d4 Nf6 2. c4 e6 3. Bf4 d5 | |
| 2025.10.22 | Round 4: Kanakaris, Georgios - Willems, Niels | 4.33 | 2025.10.22 Kanakaris, Georgios (4209460) (2382) | ½ | 90.50% | 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 | |
| 2025.10.21 | Round 3: Willems, Niels - Johannsson, Birkir Isak | 3.39 | 2025.10.21 Johannsson, Birkir Isak (2314673) (2258) | ½ | 94.30% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.10.19 | Round 1: Willems, Niels - Tsarsitalidis, Christos | 1.69 | 2025.10.19 Tsarsitalidis, Christos (25831488) (2173) | ½ | 95.20% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.09.28 | SMM Rd 8+9 | 9.9 | 2025.09.28 Brunello, Sabino (813613) (2483) | ½ | 95.40% | 1. c4 e5 2. Nc3 Bb4 3. Qc2 Nf6 | |
| 2025.09.27 | SMM Rd 8+9 | 8.17 | 2025.09.27 Mattenberger, Matthias (1339958) (2239) | 1 | 93.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.09.08 | Round 8: Beliavsky, Alexander G - Willems, Niels | 8.5 | 2025.09.08 Beliavsky, Alexander G (14602377) (2453) | 0 | 87.20% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.09.08 | Round 7: Willems, Niels - Bakhmatsky, Vladislav | 7.2 | 2025.09.08 Bakhmatskyi, Vladyslav (14124890) (2433) | ½ | 97.80% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.09.06 | Round 6: Vovk, Yuri - Willems, Niels | 6.4 | 2025.09.06 Vovk, Yuri (14113171) (2534) | ½ | 96.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.09.05 | Round 5: Willems, Niels - Dyachuk, Artem | 5.3 | 2025.09.05 Dyachuk, Artem (34107924) (2298) | 0 | 83.00% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2025.09.05 | Round 4: Mosesov, Danyil - Willems, Niels | 4.3 | 2025.09.05 Mosesov, Danyil (14149494) (2434) | 0 | 90.30% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.09.04 | Round 3: Willems, Niels - Kislinsky, Alexey | 3.4 | 2025.09.04 Kislinsky, Alexey (14108801) (2341) | ½ | 95.00% | 1. c4 g6 2. g3 Bg7 3. Bg2 c5 | |
| 2025.09.04 | Round 2: Tulchynskyi, Feliks - Willems, Niels | 2.2 | 2025.09.04 Tulchynskyi, Feliks (34127895) (2385) | ½ | 94.30% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.09.02 | Round 1: Willems, Niels - Povshednyi, Ivan | 1.5 | 2025.09.02 Povshednyi, Ivan (14190907) (2340) | ½ | 91.90% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2025.09.01 | Round 9: Willems, Niels - Karvatskyi, Oleksii | 9.1 | 2025.09.01 Karvatskyi, Oleksii (14191059) (2306) | 1 | 98.70% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2025.05.22 | Mitropa 2025 Open | 9.10 | 2025.05.22 Peyrer, Konstantin (1640879) (2480) | 1 | 91.20% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.05.21 | Mitropa 2025 Open | 8.14 | 2025.05.21 Koelle, Tobias (16207378) (2458) | ½ | 98.90% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.05.20 | Mitropa 2025 Open | 7.6 | 2025.05.20 Goroshkov, Maksym (14142716) (2366) | 1 | 97.90% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 | |
| 2025.05.19 | Mitropa 2025 Open | 6.18 | 2025.05.19 Nemec, Jachym (23716525) (2436) | 1 | 98.10% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.05.18 | Mitropa 2025 Open | 5.2 | 2025.05.18 Baenziger, Fabian (1330110) (2443) | 0 | 87.50% | 1. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 | |
| 2025.05.17 | Mitropa 2025 Open | 4.18 | 2025.05.17 Sahidi, Samir (14936372) (2482) | ½ | 98.10% | 1. c4 Nf6 2. Nc3 e6 3. Nf3 d5 | |
| 2025.05.16 | Mitropa 2025 Open | 3.6 | 2025.05.16 Brunello, Sabino (813613) (2499) | ½ | 98.00% | 1. e4 c6 2. d4 d5 3. Nd2 dxe4 | |
| 2025.05.15 | Mitropa 2025 Open | 2.14 | 2025.05.15 Stevik, Patrik (14944812) (2285) | 0 | 85.60% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.05.14 | Mitropa 2025 Open | 1.10 | 2025.05.14 Pasztor, Balazs (774723) (2431) | ½ | 97.10% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2025.04.27 | SUI-chT Reti-Nyon | 4.2 | 2025.04.27 Bogner, Sebastian (4692055) (2545) | 0 | - | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2025.04.15 | Reykjavik Open 2025 | 9.23 | 2025.04.15 Priansh Das (45029946) (2262) | 0 | 85.20% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.04.14 | Reykjavik Open 2025 | 8.40 | 2025.04.14 Elier, Ali (16217543) (2125) | 1 | 94.30% | 1. c4 e6 2. Nc3 Nf6 3. Nf3 d5 | |
| 2025.04.13 | Reykjavik Open 2025 | 7.28 | 2025.04.13 Harish, Neeraj (30958130) (2169) | ½ | 95.30% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.04.13 | Reykjavik Open 2025 | 6.10 | 2025.04.13 Royal, Shreyas (448869) (2465) | 0 | 86.50% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.04.12 | Reykjavik Open 2025 | 5.26 | 2025.04.12 Borne, Felix (551039915) (2225) | 1 | 96.90% | 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 | |
| 2025.04.11 | Reykjavik Open 2025 | 4.43 | 2025.04.11 Arruebarrena Rodriguez, Rafael (3901092) (2129) | 1 | 96.30% | 1. c4 e5 2. Nc3 Bb4 3. Qc2 Nf6 | |
| 2025.04.10 | Reykjavik Open 2025 | 3.6 | 2025.04.10 Muradli, Mahammad (13409301) (2588) | 0 | 92.80% | 1. Nf3 Nf6 2. c4 c5 3. Nc3 Nc6 | |
| 2025.04.10 | Reykjavik Open 2025 | 2.37 | 2025.04.10 Omarsson, Adam (2311453) (2072) | 1 | 98.40% | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | |
| 2025.04.06 | SUI-chT Nyon-Wollishofen | 3.2 | 2025.04.06 Prusikin, Michael (4642325) (2496) | ½ | - | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2025.04.05 | SUI-chT Nyon-Winterthur | 2.6 | 2025.04.05 Ballmann, Martin (1300350) (2329) | 1 | - | 1. c4 c5 2. Nc3 g6 3. Nf3 Bg7 | |
| 2025.03.26 | Round 11: Willems, Niels - Stefansson, Vignir Vatnar | 11.15 | 2025.03.26 Stefansson, Vignir Vatnar (2308649) (2551) | 0 | 91.90% | 1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 | |
| 2025.03.25 | Round 10: Kobo, Ori - Willems, Niels | 10.17 | 2025.03.25 Kobo, Ori (2812320) (2525) | ½ | 82.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.03.17 | Round 3: Willems, Niels - Gavrilescu, David | 3.15 | 2025.03.17 Gavrilescu, David (1227190) (2549) | 0 | 92.70% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.03.16 | Round 2: Moroni, Luca Jr - Willems, Niels | 2.7 | 2025.03.16 Moroni, Luca Jr (865834) (2555) | ½ | 96.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.02.23 | Round 9: Willems, Niels - Bouzidi, Ahmed | 9.5 | 2025.02.23 Bouzidi, Ahmed (5501733) (2168) | 1 | 91.70% | 1. c4 Nf6 2. Nc3 b6 3. e4 d6 | |
| 2025.02.22 | Round 8: Amdouni, Zoubaier - Willems, Niels | 8.4 | 2025.02.22 Amdouni, Zoubaier (5500419) (2229) | 0 | 85.20% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.02.21 | Round 7: Willems, Niels - Sambuev, Bator | 7.2 | 2025.02.21 Sambuev, Bator (4128290) (2416) | ½ | 96.30% | 1. c4 g6 2. Nc3 Bg7 3. Nf3 d6 | |
| 2025.02.21 | Round 6: Debray, Christopher - Willems, Niels | 6.3 | 2025.02.21 Debray, Christopher (630810) (2320) | ½ | 97.50% | 1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 | |
| 2025.02.20 | Round 9: Maghsoodloo, Parham - Willems, Niels | 9.4 | 2025.02.20 Maghsoodloo, Parham (12539929) (2680) | 0 | - | 1. c4 Nf6 2. b3 c5 3. Bb2 Nc6 | |
| 2025.02.20 | Round 5: Achour,Mohamed Anis - Willems, Niels | 5.5 | 2025.02.20 Achour, Mohamed Anis (7904649) (2066) | 1 | 97.10% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.02.20 | Round 8: Willems, Niels - Maurizzi, Marc`Andria | 8.2 | 2025.02.20 Maurizzi, MarcAndria (36083534) (2581) | 1 | - | 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 | |
| 2025.02.20 | Round 7: Filali, Razzouki Marouane - Willems, Niels | 7.5 | 2025.02.20 Filali, Razzouki Marouane (9003720) (2234) | 1 | - | 1. c3 Nf6 2. d4 d5 3. Nf3 c5 | |
| 2025.02.20 | Round 6: Willems, Niels - Tahir, Abderrahmane | 6.8 | 2025.02.20 Tahir, Abderrahmane (7916469) (1891) | 1 | - | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | |
| 2025.02.20 | Round 5: Willems, Niels - Dardha, Daniel | 5.2 | 2025.02.20 Dardha, Daniel (240990) (2652) | 0 | - | 1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 | |
| 2025.02.20 | Round 4: Kobalia, Mikhail - Willems, Niels | 4.4 | 2025.02.20 Kobalia, Mikhail (4119150) (2538) | 1 | - | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.02.20 | Round 3: Amrane, Abdellah - Willems, Niels | 3.11 | 2025.02.20 Amrane, Abdellah (7912994) (2021) | 1 | - | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2025.02.20 | Round 2: Willems, Niels - Charfeddine,Khaled | 2.11 | 2025.02.20 Charfeddine,Khaled (5519136) (1908) | 1 | - | 1. c4 Nf6 2. Nc3 e6 3. Nf3 c6 | |
| 2025.02.20 | Round 1: Badrakova, Kseniya - Willems, Niels | 1.11 | 2025.02.20 Badrakova, Kseniya (34166081) (1757) | 1 | - | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2025.02.18 | Round 4: Willems, Niels - Stopa, Jacek | 4.3 | 2025.02.18 Stopa, Jacek (1119591) (2310) | ½ | 85.20% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2025.02.18 | Round 3: Willems, Niels - Cornileau, Juliette | 3.6 | 2025.02.18 Cornileau, Juliette (36083372) (2144) | 1 | 97.90% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2025.02.17 | Round 2: Filali, Razzouki Marouane - Willems, Niels | 2.9 | 2025.02.17 Filali, Razzouki Marouane (9003720) (2234) | ½ | 96.80% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2024.09.06 | Round 9: Kovchan, Alexander - Willems, Niels | 9.4 | 2024.09.06 Kovchan, Alexander (14103052) (2455) | 1 | 95.90% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.09.05 | Round 8: Gong, Qianyun - Willems, Niels | 8.8 | 2024.09.05 Gong, Qianyun (8602425) (2250) | 1 | 91.00% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.09.04 | Round 7: Willems, Niels - Schlegel, Igor | 7.9 | 2024.09.04 Schlegel, Igor (1334956) (2212) | ½ | 90.40% | 1. d4 d5 2. Nc3 Bf5 3. f3 Bg6 | |
| 2024.09.03 | Round 6: Chia, Yu Zhe Ashton - Willems, Niels | 6.7 | 2024.09.03 Chia, Yu Zhe Ashton (5821304) (2224) | ½ | 93.30% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.09.03 | Round 5: Willems, Niels - Kanyamarala, Tarun | 5.8 | 2024.09.03 Kanyamarala, Tarun (45004714) (2361) | ½ | 96.30% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2024.09.02 | Round 4: Simonetto, Andrea - Willems, Niels | 4.6 | 2024.09.02 Simonetto, Andrea (873314) (2323) | ½ | 98.60% | 1. Nf3 c5 2. e3 Nf6 3. d4 d5 | |
| 2024.09.01 | Round 3: Willems, Niels - Djuric, Stefan | 3.10 | 2024.09.01 Djuric, Stefan (900133) (2208) | 1 | 98.10% | 1. c4 g6 2. Nc3 c5 3. Nf3 Bg7 | |
| 2024.06.09 | Top 16 Poule Basse 2 | 11 | 2024.06.09 Fantinel, Thibault (663395) (2406) | ½ | 97.60% | 1. c4 g6 2. Nc3 Bg7 3. g3 d6 | |
| 2024.06.07 | Top 16 Poule Basse 2 | 9 | 2024.06.07 Velten, Paul (681091) (2504) | 0 | 87.10% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2024.06.06 | Top 16 Poule Basse 2 | 8 | 2024.06.06 Bluebaum, Matthias (24651516) (2647) | 0 | 92.90% | 1. d4 Nf6 2. Nf3 d5 3. c3 e6 | |
| 2024.06.05 | Round 7: Willems, Niels - Solakian-Van Eyll, Jerome | 2024.06.05 Solakian-Van Eyll, Jerome (608050) (2247) | 1 | 99.10% | 1. c4 e5 2. Nc3 Bb4 3. Qc2 Nf6 | ||
| 2024.06.04 | Round 6: Martirosyan, Haik M. - Willems, Niels | 2024.06.04 Martirosyan, Haik M. (13306553) (2662) | 0 | 90.40% | 1. d4 Nf6 2. Nf3 d5 3. c4 e6 | ||
| 2024.06.03 | Round 5: Willems, Niels - Grigoryan, Karen H. | 2024.06.03 Grigoryan, Karen H. (13301004) (2579) | ½ | 97.60% | 1. d4 Nf6 2. Nc3 e6 3. e4 d5 | ||
| 2024.06.01 | Round 3: Willems, Niels - Sankalp Gupta | 2024.06.01 Sankalp Gupta (5097010) (2531) | ½ | 91.50% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | ||
| 2024.05.31 | Round 2: Parligras, Mircea-Emilian - Willems, Niels | 2024.05.31 Parligras, Mircea-Emilian (1204297) (2560) | 1 | 94.40% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | ||
| 2024.05.30 | Round 1: Willems, Niels - Van Foreest, Jorden | 2024.05.30 Van Foreest, Jorden (1039784) (2664) | 0 | 89.20% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | ||
| 2024.05.12 | Bundesturnier | 7.1 | 2024.05.12 Bauer, Christian (603767) (2572) | 0 | 92.80% | 1. e4 c6 2. d4 d5 3. f3 dxe4 | |
| 2024.05.11 | Bundesturnier | 6.4 | 2024.05.11 Manko, Mariia (14199220) (2247) | 1 | 97.10% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2024.05.11 | Bundesturnier | 5.2 | 2024.05.11 Gantner, Matthias (1310534) (2237) | ½ | 90.20% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2024.05.10 | Bundesturnier | 4.1 | 2024.05.10 Baenziger, Fabian (1330110) (2414) | ½ | 96.10% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | |
| 2024.05.10 | Bundesturnier | 3.3 | 2024.05.10 Pahud, Cedric (1306650) (2135) | 1 | 94.60% | 1. Nf3 Nf6 2. c4 c5 3. g3 Nc6 | |
| 2024.05.09 | Bundesturnier | 2.5 | 2024.05.09 Hofer, Maximilian (1625560) (2124) | 1 | 97.20% | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | |
| 2024.05.09 | Bundesturnier | 1.5 | 2024.05.09 Cervelli, Eduard (1351800) (2018) | 1 | 98.20% | 1. e4 c6 2. d3 d5 3. Nd2 e5 | |
| Round 8: Willems, Niels - Schneider, Jana | 8.21 | Schneider, Jana (12924997) (2256) | ½ | 97.20% | 1. c4 e6 2. Nc3 d5 3. e3 Nf6 | ||
| Round 6: Chasin, Nico - Willems, Niels | 6.10 | Chasin, Nico (30908477) (2458) | 0 | 93.50% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| Round 5: Willems, Niels - Mehta Naitik R | 5.20 | Mehta Naitik R (35007319) (2239) | 1 | 96.70% | 1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 | ||
| Round 4: Fulgentini, Edoardo - Willems, Niels | 4.24 | Fulgentini, Edoardo (28557050) (2206) | 1 | 97.10% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | ||
| 2023.09.09 | Round 9: Yevgeniy Roshka - Niels Willems | 2023.09.09 Yevgeniy Roshka (2495) | ½ | 96.60% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | ||
| 2023.09.08 | Round 8: Niels Willems - Joachim Mouhamad | 2023.09.08 Joachim Mouhamad (2271) | ½ | 95.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.09.08 | Round 7: Anatole Vlachos - Niels Willems | 2023.09.08 Anatole Vlachos (2436) | ½ | 94.60% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 c5 | ||
| 2023.09.06 | Round 6: Niels Willems - Andrei-Mihai Bonte | 2023.09.06 Andrei-Mihai Bonte (2340) | ½ | 91.80% | 1. c4 Nf6 2. Nc3 c5 3. g3 g6 | ||
| 2023.09.06 | Round 5: Niels Willems - Andrei Lazo | 2023.09.06 Andrei Lazo (2212) | 1 | 94.60% | 1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 | ||
| 2023.09.05 | Round 4: Emile Bassini - Niels Willems | 2023.09.05 Emile Bassini (2382) | ½ | 68.70% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | ||
| 2023.09.04 | Round 3: Niels Willems - Andreea Navrotescu | 2023.09.04 Andreea Navrotescu (2265) | 1 | 98.00% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 e4 | ||
| 2023.09.04 | Round 2: Peio Duboue - Niels Willems | 2023.09.04 Peio Duboue | ½ | 68.80% | 1. e4 c6 2. Nf3 d5 3. d3 Bg4 | ||
| 2023.09.04 | Round 1: Niels Willems - Julien G. Laurent | 2023.09.04 Julien G. Laurent | 1 | 90.30% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nc6 |