Player profile
Holtwessels, Jan
Dossier
74 of 75 games analyzed.
Accuracy: 91.5%
Opened e4: 30/33Opened Nf3: 2/33Opened d4: 1/33
Castled kingside: 54Same-side castling: 49Opposite-side castling: 9Castled queenside: 8Did not castle: 8
Played in the center: 28Played on the kingside: 24Fianchettoed kingside: 15Played on the queenside: 13Fianchettoed queenside: 4
Active pieces: 59Sacrificed material: 53Initiated exchanges: 45Space advantage: 40Kept the bishop pair: 36Isolated pawn: 30Backward pawn: 28Avoided exchanges: 14Missed tactics: 13Played gambits: 6
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 34 games 19W 7D 8L
Sicilian Defense 14 games 9W 1D 4L
Nyezhmetdinov-Rossolimo Attack 4 games 1W 0D 3L
Fianchetto Variation
3 games
1W
0D
2L
(unspecified)
1 game
0W
0D
1L
Taimanov Variation 3 games 1W 1D 1L
Szén Variation
1 game
0W
1D
0L
Bastrikov Variation, English Attack
1 game
1W
0D
0L
Bastrikov Variation
1 game
0W
0D
1L
Moscow Variation 2 games 2W 0D 0L
Main Line
2 games
2W
0D
0L
O'Kelly Variation 1 game 1W 0D 0L
Réti System
1 game
1W
0D
0L
Accelerated Dragon 1 game 1W 0D 0L
Maróczy Bind
1 game
1W
0D
0L
French Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Alapin Variation 1 game 1W 0D 0L
Stoltz Attack
1 game
1W
0D
0L
Najdorf Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Caro-Kann Defense 6 games 4W 2D 0L
Exchange Variation 2 games 2W 0D 0L
Rubinstein Variation
1 game
1W
0D
0L
(unspecified)
1 game
1W
0D
0L
Advance Variation 2 games 1W 1D 0L
Bayonet Attack
1 game
1W
0D
0L
Van der Wiel Attack
1 game
0W
1D
0L
Apocalypse Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Two Knights Attack 1 game 1W 0D 0L
Mindeno Variation
1 game
1W
0D
0L
French Defense 3 games 0W 1D 2L
Winawer Variation 2 games 0W 1D 1L
(unspecified)
1 game
0W
1D
0L
Alekhine-Maróczy Gambit
1 game
0W
0D
1L
Alekhine-Chatard Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Pirc Defense 2 games 1W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Kholmov System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Center Game 2 games 1W 0D 1L
Hall Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Normal Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Four Knights Game 1 game 1W 0D 0L
Spanish Variation 1 game 1W 0D 0L
Nimzowitsch Variation
1 game
1W
0D
0L
Italian Game 1 game 1W 0D 0L
Two Knights Defense 1 game 1W 0D 0L
Modern Bishop's Opening
1 game
1W
0D
0L
Philidor Defense 1 game 0W 1D 0L
Lion Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Bishop's Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Neo-Grünfeld Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Modern Defense
1 game
0W
1D
0L
Yusupov-Rubinstein System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Attack 1 game 1W 0D 0L
Sicilian Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 37 games 21W 7D 9L
Ruy Lopez 7 games 4W 1D 2L
Closed 2 games 1W 0D 1L
(unspecified)
1 game
1W
0D
0L
Morphy Attack
1 game
0W
0D
1L
Morphy Defense 2 games 0W 1D 1L
Anderssen Variation
1 game
0W
1D
0L
Modern Steinitz Defense
1 game
0W
0D
1L
Fianchetto Defense 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Exchange Variation 1 game 1W 0D 0L
King's Bishop Variation
1 game
1W
0D
0L
Sicilian Defense 5 games 5W 0D 0L
Dragon Variation 2 games 2W 0D 0L
Classical Variation
1 game
1W
0D
0L
Yugoslav Attack, Hungarian Dragon
1 game
1W
0D
0L
Nyezhmetdinov-Rossolimo Attack 1 game 1W 0D 0L
Fianchetto Variation
1 game
1W
0D
0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Smith-Morra Gambit Accepted 1 game 1W 0D 0L
Classical Formation
1 game
1W
0D
0L
English Opening 4 games 3W 0D 1L
Symmetrical Variation 2 games 2W 0D 0L
Rubinstein Variation
2 games
2W
0D
0L
Agincourt Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's English Variation 1 game 1W 0D 0L
Four Knights Variation, Quiet Line
1 game
1W
0D
0L
Nimzowitsch Defense 4 games 2W 0D 2L
(unspecified) 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
Scandinavian Variation 2 games 2W 0D 0L
Advance Variation
2 games
2W
0D
0L
Italian Game 3 games 2W 1D 0L
Two Knights Defense 2 games 1W 1D 0L
Modern Bishop's Opening
2 games
1W
1D
0L
Classical Variation 1 game 1W 0D 0L
La Bourdonnais Variation
1 game
1W
0D
0L
Zukertort Opening 2 games 0W 1D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Quiet System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Catalan Opening 2 games 1W 0D 1L
Open Defense 1 game 1W 0D 0L
Classical Line
1 game
1W
0D
0L
Closed 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Pawn Game 2 games 1W 1D 0L
Colle System 2 games 1W 1D 0L
Traditional Colle
1 game
1W
0D
0L
(unspecified)
1 game
0W
1D
0L
Tarrasch Defense 2 games 0W 1D 1L
Classical Variation 1 game 0W 1D 0L
Advance Variation
1 game
0W
1D
0L
Schara Gambit 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Bishop's Opening 1 game 0W 1D 0L
Vienna Hybrid 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Four Knights Game 1 game 1W 0D 0L
Scotch Variation Accepted 1 game 1W 0D 0L
Main Line
1 game
1W
0D
0L
Queen's Gambit Declined 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Attack 1 game 0W 1D 0L
Sicilian Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
Classical Defense
1 game
1W
0D
0L
Blunders Top 4 of 305
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 75 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.18 | Round 7: Peters, Tom - Holtwessels, Jan | 7.4 | 2026.10.18 Peters, Tom (24694444) (2179) | 1 | 97.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.10.17 | Round 6: Wilmink, Anna - Holtwessels, Jan | 6.7 | 2026.10.17 Wilmink, Anna (16273680) (2027) | 1 | 91.50% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2026.10.17 | Round 5: Holtwessels, Jan - Dehn, Marcus | 5.8 | 2026.10.17 Dehn, Marcus (4667093) (2042) | 1 | 90.50% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2026.10.16 | Round 4: Holtwessels, Jan - Moeller, Tom | 4.10 | 2026.10.16 Moeller, Tom (16287215) (2011) | ½ | 87.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.10.16 | Round 3: Wendt, Felix - Holtwessels, Jan | 3.10 | 2026.10.16 Wendt, Felix (34663592) (1870) | ½ | 95.70% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.10.15 | Round 2: Holtwessels, Jan - Ishcenko, Volodymyr | 2.17 | 2026.10.15 Ishcenko, Volodymyr (34660208) (1893) | 1 | 91.60% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2026.10.15 | Round 1: Oblender, Rudi - Holtwessels, Jan | 1.13 | 2026.10.15 Oblender, Rudi (34625089) (1810) | 0 | 76.60% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.10.12 | Deutsche Ländermeisterschaft 2026 | 7 | 2026.10.12 Boehler, Yannic (34609059) (1881) | 0 | 80.90% | 1. c4 e6 2. g3 d5 3. Bg2 d4 | |
| 2026.10.11 | Deutsche Ländermeisterschaft 2026 | 6 | 2026.10.11 Aguike, Chidera (34611339) (1906) | 1 | 89.40% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.10.10 | Deutsche Ländermeisterschaft 2026 | 5 | 2026.10.10 Shen, Tingrui (34603441) (2177) | 0 | 85.10% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2026.10.10 | Deutsche Ländermeisterschaft 2026 | 4 | 2026.10.10 Noennig, Jakob (16289447) (2175) | 1 | 94.40% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.10.09 | Deutsche Ländermeisterschaft 2026 | 3 | 2026.10.09 Weber, Nikita (34608770) (2143) | ½ | 96.50% | 1. Nf3 Nf6 2. g3 c5 3. Bg2 Nc6 | |
| 2026.10.08 | Deutsche Ländermeisterschaft 2026 | 2.35 | 2026.10.08 Czaeczine, Paula (16249305) (2092) | 1 | 95.90% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.10.08 | Deutsche Ländermeisterschaft 2026 | 1 | 2026.10.08 Pereira Garza, Cecilia (1078984) (1946) | 1 | 92.50% | 1. d4 Nf6 2. c4 e6 3. g3 d5 | |
| 2026.08.09 | Round 6: Holtwessels, Jan - Bangert, Jonas | 6.4 | 2026.08.09 Bangert, Jonas (16289650) (2104) | 1 | 98.80% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.08.08 | Round 5: Wilmink, Anna - Holtwessels, Jan | 5.6 | 2026.08.08 Wilmink, Anna (16273680) (2022) | 1 | 95.40% | 1. e4 c5 2. Be2 Nc6 3. d3 e6 | |
| 2026.08.08 | Round 4: Holtwessels, Jan - Muendoerfer, Sebastian | 4.5 | 2026.08.08 Muendoerfer, Sebastian (34604367) (2037) | ½ | 96.00% | 1. e4 d6 2. d4 e5 3. Nf3 Nd7 | |
| 2026.08.07 | Round 3: Jacobi, Felix-Hagen - Holtwessels, Jan | 3.4 | 2026.08.07 Jacobi, Felix-Hagen (1270475) (2056) | ½ | 98.90% | 1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 | |
| 2026.08.07 | Round 2: Holtwessels, Jan - Draude, Theo | 2.6 | 2026.08.07 Draude, Theo (34623809) (1983) | 1 | 91.70% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2026.08.06 | Round 1: Neumann, Hannes - Holtwessels, Jan | 1.7 | 2026.08.06 Neumann, Hannes (34681906) (1863) | 1 | 91.30% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.07.29 | Round 7: Mester, Philipp - Holtwessels, Jan | 7.1 | 2026.07.29 Mester, Philipp (34624902) (2299) | 0 | 89.70% | 1. e3 Nf6 2. Nf3 c5 3. d4 d5 | |
| 2026.06.07 | Round 5: Holtwessels, Jan - Kruppa, Nils | 5.15 | 2026.06.07 Kruppa, Nils (34673253) (1686) | ½ | 88.00% | 1. e4 c6 2. Nf3 d5 3. exd5 cxd5 | |
| 2026.06.07 | Round 4: Grigorian, Spartak - Holtwessels, Jan | 4.7 | 2026.06.07 Grigorian, Spartak (24661490) (2418) | 1 | 98.10% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.06.06 | Round 3: Holtwessels, Jan - Koch, Yannick | 3.3 | 2026.06.06 Koch, Yannick (24661678) (2075) | 1 | - | 1. e4 c5 2. Nf3 a6 3. g3 e6 | |
| 2026.06.06 | Round 2: Peters, Frank - Holtwessels, Jan | 2.7 | 2026.06.06 Peters, Frank (4676416) (2035) | 1 | 93.70% | 1. c4 c5 2. Nc3 Nf6 3. g3 d5 | |
| 2026.06.05 | Round 1: Holtwessels, Jan - Pfeffer, Samuel | 1.7 | 2026.06.05 Pfeffer, Samuel (16249160) (1741) | 1 | 88.80% | 1. e4 e5 2. Bc4 Nc6 3. Nc3 Bc5 | |
| 2026.05.30 | DEM U16 2026 | 9 | 2026.05.30 Mueller, Maximilian (34640282) (1958) | ½ | 97.30% | 1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2026.05.29 | DEM U16 2026 | 8 | 2026.05.29 Thuemler, Floris (16296435) (1977) | 1 | 92.50% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.05.27 | DEM U16 2026 | 6 | 2026.05.27 Amini, Yusuf (34635688) (2065) | 0 | 90.30% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.05.27 | DEM U16 2026 | 5 | 2026.05.27 Bangert, Jonas (16289650) (2130) | 1 | 96.60% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.05.26 | DEM U16 2026 | 4 | 2026.05.26 Fischer, Lorenz (16296710) (2024) | 1 | 96.70% | 1. d4 d5 2. Nf3 Nf6 3. e3 c5 | |
| 2026.05.25 | DEM U16 2026 | 3 | 2026.05.25 Dodul, Arthur (34609016) (2016) | 0 | 90.60% | 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 | |
| 2026.05.24 | DEM U16 2026 | 2 | 2026.05.24 Radeke, Timothy (16289412) (1884) | ½ | 92.00% | 1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 | |
| 2026.05.24 | DEM U16 2026 | 1 | 2026.05.24 Freimuth, Julius (533005834) (2040) | ½ | 93.00% | 1. d4 Nf6 2. Nf3 e6 3. e3 b6 | |
| 2026.04.03 | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | 9.2 | 2026.04.03 Buergener, Richard (16268768) (1892) | 1 | 96.10% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.04.02 | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | 8.2 | 2026.04.02 Haverlandt, Jannes (34688943) (1662) | 1 | 93.40% | 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 | |
| 2026.04.01 | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | 6.2 | 2026.04.01 Haustein, Henry (533043817) (1786) | 1 | 82.80% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 | |
| 2026.03.30 | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | 3.2 | 2026.03.30 Freimuth, Julius (533005834) (1811) | 1 | 95.60% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2026.03.29 | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | 2.2 | 2026.03.29 Schmidt, Mathis (533015414) (1874) | 1 | 89.10% | 1. e4 c6 2. d4 d5 3. exd5 cxd5 | |
| 2026.03.28 | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | 1.2 | 2026.03.28 Klages, Jonas (34639993) (1673) | 1 | 94.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2026.03.27 | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | 7.1 | 2026.03.27 Schoene, Finn (34623493) (1980) | 0 | 87.50% | 1. d4 Nf6 2. Nc3 d5 3. Bf4 a6 | |
| 2026.03.27 | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | 5.1 | 2026.03.27 Bangert, Jonas (16289650) (1986) | ½ | 96.40% | 1. d4 d5 2. c4 e6 3. Nc3 c5 | |
| 2026.03.27 | Landesjugendeinzelmeisterschaft in Niedersachsen U16 | 4.1 | 2026.03.27 Muendoerfer, Sebastian (34604367) (2065) | ½ | 83.50% | 1. e4 c6 2. d4 d5 3. e5 Bf5 | |
| 2026.01.05 | Runde 7: Kieselbach, Marvin - Holtwessels, Jan | 7.10 | 2026.01.05 Kieselbach, Marvin (16235770) (1936) | 0 | 78.00% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2026.01.04 | Runde 6: Holtwessels, Jan - Tonndorf, Matthias | 6.8 | 2026.01.04 Tonndorf, Matthias (4682033) (2163) | 0 | 84.50% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2026.01.04 | Runde 5: Scheffner, Jarno - Holtwessels, Jan | 5.9 | 2026.01.04 Scheffner, Jarno (12981176) (2010) | 1 | 92.90% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2026.01.03 | Runde 4: Holtwessels, Jan - Stelmaszyk, Nico | 4.6 | 2026.01.03 Stelmaszyk, Nico (16200462) (2360) | 0 | 90.40% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2026.01.03 | Runde 3: Sieber, Bert - Holtwessels, Jan | 3.10 | 2026.01.03 Sieber, Bert (16265971) (2167) | 1 | 95.10% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.01.02 | Runde 2: Holtwessels, Jan - Reimer, Philip | 2.7 | 2026.01.02 Reimer, Philip (16235860) (2226) | 0 | 90.60% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2026.01.02 | Runde 1: Polster, Christian - Holtwessels, Jan | 1.8 | 2026.01.02 Polster, Christian (12965081) (2257) | ½ | 96.30% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2025.05.25 | Round 5: Rennkamp, Johannes - Holtwessels, Jan | 5.4 | 2025.05.25 Rennkamp, Johannes (16268784) (1903) | ½ | 89.60% | 1. d4 Nf6 2. Nf3 d5 3. e3 c5 | |
| 2025.05.25 | Round 4: Holtwessels, Jan - Bogomolow, Sergej | 4.4 | 2025.05.25 Bogomolow, Sergej (4667409) (2073) | ½ | 90.10% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2025.05.24 | Round 3: Sammann, Anton - Holtwessels, Jan | 3.4 | 2025.05.24 Sammann, Anton (34641386) (1844) | 1 | 99.30% | 1. e4 c5 2. d4 cxd4 3. c3 dxc3 | |
| 2025.05.24 | Round 2: Holtwessels, Jan - Thieu, Nguyen Gia Bao | 2.8 | 2025.05.24 Thieu, Nguyen Gia Bao (12913383) (1955) | 1 | 97.00% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.05.23 | Round 1: Hoke, Adrian - Holtwessels, Jan | 1.8 | 2025.05.23 Hoke, Adrian (16218264) (1936) | 1 | 91.40% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2025.04.18 | Runde 9: Schaper, Kai - Holtwessels, Jan | 9.3 | 2025.04.18 Schaper, Kai (34617760) (1708) | 1 | 87.10% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.04.16 | Runde 7: Holtwessels, Jan - Direk, Oguzhan | 7.2 | 2025.04.16 Direk, Oguzhan (16294343) (1912) | 1 | 94.80% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.04.16 | Runde 6: Alali, Hashem - Holtwessels, Jan | 6.3 | 2025.04.16 Alali, Hashem (34617671) (1788) | 1 | 88.40% | 1. c4 Nf6 2. g3 c5 3. Bg2 d5 | |
| 2025.04.15 | Runde 5: Holtwessels, Jan - Rauschel, Maximilian | 5.5 | 2025.04.15 Rauschel, Maximilian (16295501) (1716) | 1 | 97.90% | 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6 | |
| 2025.04.14 | Runde 4: Bangert, Jonas - Holtwessels, Jan | 4.2 | 2025.04.14 Bangert, Jonas (16289650) (1923) | 0 | 89.30% | 1. d4 d5 2. c4 e6 3. Nc3 c5 | |
| 2025.04.13 | Runde 3: Holtwessels, Jan - Steven, Matthias | 3.5 | 2025.04.13 Steven, Matthias (16295528) (1631) | 1 | 95.80% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2025.04.13 | Runde 2: Rafael Asmus Leon - Holtwessels, Jan | 2.2 | 2025.04.13 Rafael Asmus Leon | 0 | 89.10% | 1. e4 Nc6 2. f4 d5 3. e5 Nh6 | |
| 2025.04.12 | Round 1: Holtwessels, Jan - Fize, Aleksandrs | 1.2 | 2025.04.12 Fize, Aleksandrs (34623779) (1712) | 1 | 96.70% | 1. e4 c5 2. Nf3 e6 3. g3 Nc6 | |
| 2025.04.11 | Runde 8: Holtwessels, Jan - Schoene, Finn | 8.1 | 2025.04.11 Schoene, Finn (34623493) (1843) | 0 | 87.90% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.01.05 | Round 7: Holtwessels, Jan - Monnerjahn, Lukas | 7.21 | 2025.01.05 Monnerjahn, Lukas (16218353) (1909) | 1 | 89.80% | 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 | |
| 2025.01.04 | Round 6: Boerma, Daniel - Holtwessels, Jan | 6.13 | 2025.01.04 Boerma, Daniel (12965715) (1958) | 0 | 91.10% | 1. e4 Nc6 2. d3 e5 3. Nf3 Nf6 | |
| 2025.01.04 | Round 5: Holtwessels, Jan - Boehnke, Marc | 5.24 | 2025.01.04 Boehnke, Marc (24662305) (1927) | 1 | 87.90% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2025.01.03 | Round 4: Harms, Friedjof - Holtwessels, Jan | 4.31 | 2025.01.03 Harms, Friedjof (12944386) (1884) | 1 | 92.20% | 1. e4 Nc6 2. d4 d5 3. e5 Bf5 | |
| 2025.01.03 | Round 3: Holtwessels, Jan - Aden, Meino | 3.20 | 2025.01.03 Aden, Meino (12965669) (1940) | 0 | 84.50% | 1. e4 e6 2. d4 d5 3. Nc3 Nf6 | |
| 2025.01.02 | Round 2: Stein, Luis - Holtwessels, Jan | 2.35 | 2025.01.02 Stein, Luis (16268407) (1899) | 1 | 94.60% | 1. e4 Nc6 2. d4 d5 3. e5 Bf5 | |
| 2025.01.02 | Round 1: Holtwessels, Jan - Gottschalk, Siegfried | 1.30 | 2025.01.02 Gottschalk, Siegfried (16276396) (1936) | 0 | 79.50% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2023.01.07 | Lower Saxony Championship | C | 6 | 2023.01.07 Esche, Frieder (12935000) (1513) | 0 | 92.10% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2023.01.07 | Lower Saxony Championship | C | 5 | 2023.01.07 Fischer, Joschua (16268660) (1076) | 0 | 66.60% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | |
| 2023.01.06 | Round 4 | C: Matthias Steven - Jan Holtwessels | 2023.01.06 Matthias Steven | * | 81.80% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 | ||
| 2023.01.06 | Round 3 | C: Jan Holtwessels - Lev Nechitaylo | 2023.01.06 Lev Nechitaylo | * | 97.50% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 |