Player profile
Tonndorf, Matthias
Dossier
112 of 113 games analyzed.
Accuracy: 88.6%
Opened e4: 32/54Opened c4: 7/54Opened g3: 5/54Opened Nf3: 5/54Opened b3: 3/54Opened d4: 2/54
Castled kingside: 83Same-side castling: 73Opposite-side castling: 11Did not castle: 10Castled queenside: 8
Fianchettoed queenside: 36Played on the kingside: 33Fianchettoed kingside: 32Played on the queenside: 28Played in the center: 17
Active pieces: 67Initiated exchanges: 65Sacrificed material: 64Backward pawn: 61Space advantage: 57Kept the bishop pair: 50Isolated pawn: 46Missed tactics: 42Played gambits: 18Avoided exchanges: 17
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 54 games 17W 15D 21L
Sicilian Defense 12 games 5W 2D 5L
Closed 9 games 4W 2D 3L
(unspecified)
7 games
4W
2D
1L
Traditional
2 games
0W
0D
2L
Richter-Rauzer Variation 2 games 0W 0D 2L
Neo-Modern Variation
1 game
0W
0D
1L
Classical Variation
1 game
0W
0D
1L
French Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
English Opening 7 games 2W 3D 2L
Anglo-Indian Defense 3 games 1W 2D 0L
(unspecified)
2 games
1W
1D
0L
Queen's Knight Variation
1 game
0W
1D
0L
Agincourt Defense 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
King's English Variation 1 game 1W 0D 0L
Reversed Sicilian
1 game
1W
0D
0L
Symmetrical Variation 1 game 0W 1D 0L
Anti-Benoni Variation, Spielmann Defense
1 game
0W
1D
0L
French Defense 5 games 3W 0D 2L
Advance Variation 5 games 3W 0D 2L
Paulsen Attack
2 games
1W
0D
1L
Euwe Variation
1 game
0W
0D
1L
(unspecified)
1 game
1W
0D
0L
Main Line
1 game
1W
0D
0L
King's Indian Attack 4 games 0W 3D 1L
(unspecified) 4 games 0W 3D 1L
(unspecified)
4 games
0W
3D
1L
Scotch Game 4 games 0W 1D 2L
Schmidt Variation 3 games 0W 1D 1L
(unspecified)
3 games
0W
1D
1L
Mieses Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Caro-Kann Defense 3 games 1W 1D 1L
Two Knights Attack 3 games 1W 1D 1L
Mindeno Variation, Exchange Line
2 games
0W
1D
1L
(unspecified)
1 game
1W
0D
0L
Modern Defense 3 games 0W 1D 2L
Standard Line 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Pseudo-Austrian Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Larsen Attack 3 games 0W 1D 2L
Modern Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Indian Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Dutch Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Attack, with e6 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Zukertort Opening 1 game 1W 0D 0L
Reversed Grünfeld 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Hungarian Opening 1 game 1W 0D 0L
Indian Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Catalan Opening 1 game 0W 1D 0L
Closed 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Defense 1 game 0W 0D 1L
Semi-Averbakh System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Queen's Indian Defense, with e3 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Ruy Lopez 1 game 0W 0D 1L
Morphy Defense 1 game 0W 0D 1L
Neo-Arkhangelsk Variation
1 game
0W
0D
1L
Elephant Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzowitsch Defense 1 game 0W 0D 1L
Williams Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Petrov's Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Latvian Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Scandinavian Defense 1 game 1W 0D 0L
Main Line 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 48 games 27W 7D 14L
Sicilian Defense 19 games 11W 1D 7L
Kan Variation 6 games 4W 0D 2L
Maróczy Bind, Réti Variation
2 games
1W
0D
1L
Knight Variation
2 games
2W
0D
0L
(unspecified)
1 game
1W
0D
0L
Gipslis Variation
1 game
0W
0D
1L
French Variation 4 games 2W 0D 2L
Westerinen Attack
2 games
1W
0D
1L
(unspecified)
2 games
1W
0D
1L
Hyperaccelerated Dragon 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Nyezhmetdinov-Rossolimo Attack 2 games 2W 0D 0L
Fianchetto Variation
2 games
2W
0D
0L
Wing Gambit 1 game 1W 0D 0L
Marshall Variation
1 game
1W
0D
0L
Closed 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Czerniak Attack 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Scheveningen Variation 1 game 0W 0D 1L
English Attack, with Qd2
1 game
0W
0D
1L
Lasker-Pelikan Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Indian Defense 7 games 5W 1D 1L
Three Knights Variation 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
Sämisch Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Normal Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Kmoch Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Classical Variation 1 game 1W 0D 0L
Berlin Variation, Pirc Variation
1 game
1W
0D
0L
English Opening 5 games 4W 1D 0L
Anglo-Indian Defense 2 games 1W 1D 0L
King's Indian Formation
1 game
0W
1D
0L
Nimzo-English
1 game
1W
0D
0L
Symmetrical Variation 2 games 2W 0D 0L
Three Knights, Fianchetto Variation
1 game
1W
0D
0L
(unspecified)
1 game
1W
0D
0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Indian Defense 5 games 3W 0D 2L
Accelerated London System 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Knights Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
London System 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Bogo-Indian Defense 4 games 2W 0D 2L
Vitolins Variation 3 games 2W 0D 1L
(unspecified)
3 games
2W
0D
1L
Grünfeld Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Defense 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Horwitz Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Zukertort Opening 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defense 1 game 0W 0D 1L
Two Knights Attack 1 game 0W 0D 1L
Mindeno Variation
1 game
0W
0D
1L
Yusupov-Rubinstein System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Nimzo-Larsen Attack 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
French Defense 1 game 0W 1D 0L
Tarrasch Variation 1 game 0W 1D 0L
Open System, Main Line
1 game
0W
1D
0L
Blunders Top 4 of 611
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 113 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| øøøø.øø.øø | Grenke Open | 8.25 | øøøø.øø.øø Ciolek, Andreas (12906727) (2288) | 0 | 86.70% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.10.18 | Round 7: Moeller, Tom - Tonndorf, Matthias | 7.5 | 2026.10.18 Moeller, Tom (16287215) (2011) | ½ | 79.40% | 1. d4 e6 2. Nc3 Bb4 3. Bf4 Nf6 | |
| 2026.10.17 | Round 6: Tonndorf, Matthias - Stotyn, Fabian | 6.4 | 2026.10.17 Stotyn, Fabian (24611646) (2192) | 0 | 84.40% | 1. g3 d5 2. Nf3 Nf6 3. Bg2 e6 | |
| 2026.10.17 | Round 5: Bargsten, Justus - Tonndorf, Matthias | 5.2 | 2026.10.17 Bargsten, Justus (12974188) (2252) | 0 | 86.70% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2026.10.16 | Round 3: Peters, Tom - Tonndorf, Matthias | 3.1 | 2026.10.16 Peters, Tom (24694444) (2179) | 1 | 86.90% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.10.15 | Round 2: Tonndorf, Matthias - Doescher, Thorsten | 2.3 | 2026.10.15 Doescher, Thorsten (24658286) (2064) | 1 | 87.10% | 1. g3 d5 2. Nf3 c5 3. Bg2 Nc6 | |
| 2026.10.15 | Round 1: Henkemeier, Michael - Tonndorf, Matthias | 1.5 | 2026.10.15 Henkemeier, Michael (24611379) (1910) | 1 | 90.20% | 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ | |
| 2026.10.14 | Round 4: Tonndorf, Matthias - Avdic, Faris | 4.1 | 2026.10.14 Avdic, Faris (14422328) (2278) | ½ | 93.10% | 1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 | |
| 2026.08.09 | Round 7: Tonndorf, Matthias - Drygala, Lars | 7.2 | 2026.08.09 Drygala, Lars (34617779) (2038) | 1 | 95.10% | 1. g3 Nf6 2. Bg2 e6 3. e4 d5 | |
| 2026.08.09 | Round 6: Sieber, Bert - Tonndorf, Matthias | 6.2 | 2026.08.09 Sieber, Bert (16265971) (2134) | 1 | 91.40% | 1. d4 e6 2. c4 b6 3. Nc3 Bb7 | |
| 2026.08.08 | Round 4: Tonndorf, Matthias - Schulz, Jannis | 4.2 | 2026.08.08 Schulz, Jannis (16224710) (2037) | 1 | 85.70% | 1. c4 e5 2. Nc3 g6 3. d4 exd4 | |
| 2026.08.07 | Round 3: Hoke, Adrian - Tonndorf, Matthias | 3.6 | 2026.08.07 Hoke, Adrian (16218264) (1966) | 1 | 96.10% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2026.08.07 | Round 2: Tonndorf, Matthias - Krumschmidt, Michael | 2.13 | 2026.08.07 Krumschmidt, Michael (1270482) (1858) | 1 | 84.30% | 1. e4 c5 2. Nc3 g6 3. f4 d6 | |
| 2026.08.06 | Round 1: Juergenpott, Maximilian - Tonndorf, Matthias | 1.3 | 2026.08.06 Juergenpott, Maximilian (16297733) (1867) | ½ | 66.80% | 1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 | |
| 2026.07.29 | Round 5: Tonndorf, Matthias - Bangert, Jonas | 5.1 | 2026.07.29 Bangert, Jonas (16289650) (2104) | ½ | 86.40% | 1. g3 Nf6 2. Bg2 d5 3. Nf3 e6 | |
| 2026.06.07 | Round 4: Tonndorf, Matthias - Lichtmannecker, Daniel | 4.9 | 2026.06.07 Lichtmannecker, Daniel (12979414) (2191) | ½ | 91.80% | 1. g3 d5 2. Nf3 Nd7 3. d4 Nb6 | |
| 2026.06.06 | Round 3: Bertholee, Rob - Tonndorf, Matthias | 3.1 | 2026.06.06 Bertholee, Rob (1000489) (2309) | ½ | - | 1. Nf3 d5 2. e3 g6 3. c4 c6 | |
| 2026.06.01 | Round 5: Mueer, Sebastian - Tonndorf, Matthias | 5.1 | 2026.06.01 Mueer, Sebastian (24622001) (2110) | ½ | 89.40% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.04.03 | X Open Semana Santa 2026 - Grupo A | 5.40 | 2026.04.03 Sivanandan, Bodhana (497592) (2366) | 0 | 90.20% | 1. e4 c5 2. Nf3 g6 3. c3 d5 | |
| 2026.04.02 | X Open Semana Santa 2026 - Grupo A | 2.5 | 2026.04.02 Narayanan S L (5058422) (2583) | 0 | 87.00% | 1. Nf3 d5 2. g3 Nd7 3. d4 Ngf6 | |
| 2026.03.29 | Round 5: Riemay, David - Tonndorf, Matthias | 5.2 | 2026.03.29 Riemay, David (4682076) (2241) | ½ | 91.90% | 1. e4 c5 2. Nf3 g6 3. c3 d5 | |
| 2026.03.28 | Round 4: Tonndorf, Matthias - Gramb, Marius | 4.2 | 2026.03.28 Gramb, Marius (24656593) (2206) | ½ | 97.40% | 1. Nf3 d5 2. g3 Nd7 3. d4 Nb6 | |
| 2026.01.05 | Runde 7: Tonndorf, Matthias - Nechitaylo, Nikita | 7.5 | 2026.01.05 Nechitaylo, Nikita (34138161) (2255) | ½ | 91.30% | 1. Nf3 c5 2. c4 Nc6 3. d4 cxd4 | |
| 2026.01.04 | Runde 6: Holtwessels, Jan - Tonndorf, Matthias | 6.8 | 2026.01.04 Holtwessels, Jan (34639560) (2062) | 1 | 89.80% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2026.01.04 | Runde 5: Tonndorf, Matthias - Weigand, Anton | 5.7 | 2026.01.04 Weigand, Anton (16221915) (2233) | ½ | 86.10% | 1. Nf3 d5 2. g3 Nc6 3. d4 Bf5 | |
| 2026.01.03 | Runde 4: Meiwes, Thore - Tonndorf, Matthias | 4.7 | 2026.01.03 Meiwes, Thore (16201256) (2164) | ½ | 96.70% | 1. d4 b6 2. e4 e6 3. Bd3 Bb7 | |
| 2026.01.03 | Runde 3: Tonndorf, Matthias - von Mettenheim, Johannes | 3.2 | 2026.01.03 von Mettenheim, Johannes (16244818) (2375) | 0 | 90.20% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2026.01.02 | Runde 2: Sauer, Tim - Tonndorf, Matthias | 2.8 | 2026.01.02 Sauer, Tim (16265726) (2269) | 1 | 89.10% | 1. Nf3 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2026.01.02 | Runde 1: Tonndorf, Matthias - Bargsten, Justus | 1.5 | 2026.01.02 Bargsten, Justus (12974188) (2283) | ½ | 91.50% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 | |
| 2025.11.02 | Benidorm Chess Open A 2025 | 9.4 | 2025.11.02 Sofronie, Iulian (1202936) (2349) | 0 | 87.90% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2025.11.01 | Benidorm Chess Open A 2025 | 8.6 | 2025.11.01 Serarols Mabras, Bernat (2238276) (2258) | 1 | 96.30% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.10.31 | Benidorm Chess Open A 2025 | 7.17 | 2025.10.31 Dudarec, Elias (23714930) (1846) | 1 | 95.40% | 1. e4 c5 2. b4 cxb4 3. a3 d5 | |
| 2025.10.30 | Benidorm Chess Open A 2025 | 6.11 | 2025.10.30 Hernandez, Cristian Andres (4402308) (2355) | ½ | 95.10% | 1. e4 c5 2. Nc3 a6 3. g3 b5 | |
| 2025.10.29 | Benidorm Chess Open A 2025 | 5.22 | 2025.10.29 Sanchez Barbado, Carlos (2273012) (2064) | 1 | 95.60% | 1. e4 c5 2. Nf3 e6 3. Nc3 Nc6 | |
| 2025.10.28 | Benidorm Chess Open A 2025 | 4.7 | 2025.10.28 Ezra Paul Chambers (20300204) (2362) | 0 | 86.20% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.10.28 | Benidorm Chess Open A 2025 | 3.27 | 2025.10.28 Fernandez Manrique, Agustin (2231000) (2013) | 1 | 91.00% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2025.10.10 | Round 2: Lumachi, Gabriele - Tonndorf, Matthias | 2.1 | 2025.10.10 Lumachi, Gabriele (2817247) (2430) | 0 | 91.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2025.05.25 | Round 5: Tonndorf, Matthias - von Mettenheim, Johannes | 5.9 | 2025.05.25 von Mettenheim, Johannes (16244818) (2381) | ½ | 86.90% | 1. c4 e6 2. Nf3 d5 3. e3 Nf6 | |
| 2025.05.25 | Round 4: Stelmaszyk, Nico - Tonndorf, Matthias | 4.5 | 2025.05.25 Stelmaszyk, Nico (16200462) (2351) | 0 | 89.70% | 1. e4 c6 2. Nf3 d5 3. Nc3 Bg4 | |
| 2025.05.24 | Round 3: Tonndorf, Matthias - Bargsten, Justus | 3.5 | 2025.05.24 Bargsten, Justus (12974188) (2201) | 0 | 83.80% | 1. c4 e6 2. g3 d5 3. Bg2 d4 | |
| 2025.05.23 | Round 1: Tonndorf, Matthias - Greiving, Felix | 1.13 | 2025.05.23 Greiving, Felix (12967548) (1947) | 0 | 86.80% | 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 | |
| 2025.05.22 | Round 2: Mueer, Sebastian - Tonndorf, Matthias | 2.1 | 2025.05.22 Mueer, Sebastian (24622001) (2239) | 0 | 91.30% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.05.15 | Round 9: Ferro Martinez, Damian - Tonndorf, Matthias | 9.9 | 2025.05.15 Ferro Martinez, Damian (3528499) (1952) | 1 | 86.50% | 1. c4 c5 2. g3 g6 3. Bg2 Bg7 | |
| 2025.05.14 | Round 8: Tonndorf, Matthias - Eckert, Doug | 8.7 | 2025.05.14 Eckert, Doug (2001993) (2146) | 0 | 81.10% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.05.13 | Round 7: Fornieles Bretones, Antonio - Tonndorf, Matthias | 7.9 | 2025.05.13 Fornieles Bretones, Antonio (94730857) (1828) | 1 | 94.90% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2025.05.13 | Round 6: Tonndorf, Matthias - Skytte, Rasmus | 6.5 | 2025.05.13 Skytte, Rasmus (1404210) (2360) | 0 | 80.00% | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2025.05.12 | Round 5: Del Rio De Angelis, Salvador G. - Tonndorf, Matthias | 5.3 | 2025.05.12 Del Rio De Angelis, Salvador Gabriel (2203138) (2402) | 0 | 87.20% | 1. d4 Nf6 2. Nf3 e6 3. e3 Be7 | |
| 2025.05.11 | Round 4: Tonndorf, Matthias - Semprun Martinez, Fernando | 4.7 | 2025.05.11 Semprun Martinez, Fernando (2203170) (2017) | 1 | 86.50% | 1. c4 Nf6 2. d3 g6 3. g3 Bg7 | |
| 2025.05.11 | Round 3: Corotcova, Anastasia - Tonndorf, Matthias | 3.7 | 2025.05.11 Corotcova, Anastasia (13900137) (1844) | 1 | 97.40% | 1. d4 Nf6 2. Nf3 e6 3. g3 c5 | |
| 2025.05.10 | Round 1: Vieito Ribelles, Ariadna - Tonndorf, Matthias | 1.10 | 2025.05.10 Tonndorf, Ariadna (2247640) (1788) | 1 | 94.40% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2025.05.07 | Round 2: Tonndorf, Matthias - Girel, Joseph | 2.1 | 2025.05.07 Girel, Joseph (36033561) (2498) | 0 | 94.10% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2025.04.18 | Semana Santa A. 2025 | 4.37 | 2025.04.18 Flores Quillas, Diego Saul Rodri (3822508) (2400) | 0 | 87.80% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | |
| 2024.12.30 | Round 8: Tonndorf, Matthias - Filgueiras, Nathan Felipe | 8.5 | 2024.12.30 Filgueiras, Nathan Felipe (2188562) (2328) | 0 | 90.30% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2024.12.29 | Round 7: Mitul K H - Tonndorf, Matthias | 7.8 | 2024.12.29 Mitul K H (45080860) (1834) | 1 | 95.90% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.12.28 | Round 5: Tonndorf, Matthias - Piedra Salabarria, Ernesto | 5.8 | 2024.12.28 Piedra Salabarria, Ernesto (3517268) (2272) | 0 | 85.20% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 g6 | |
| 2024.12.28 | Round 4: Ilinca, Felix-Antonio - Tonndorf, Matthias | 4.3 | 2024.12.28 Ilinca, Felix-Antonio (54764998) (2450) | 0 | 81.10% | 1. e4 c5 2. Nf3 e6 3. b3 a6 | |
| 2024.12.27 | Round 3: Tonndorf, Matthias - Vinuesa Sorli, Ruben | 3.5 | 2024.12.27 Vinuesa Sorli, Ruben (24562360) (2291) | ½ | 97.70% | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2024.12.07 | Round 23: Weber, Dirk - Tonndorf, Matthias | 23.5 | 2024.12.07 Weber, Dirk (4636384) | 1 | 96.50% | 1. e4 c5 2. Nc3 e6 3. g3 a6 | |
| 2024.12.07 | Round 22: Tonndorf, Matthias - Koelling, Jonah | 22.9 | 2024.12.07 Koelling, Jonah (34634487) (2065) | 0 | 72.00% | 1. e4 c5 2. Nc3 g6 3. d4 cxd4 | |
| 2024.12.07 | Round 21: Muendoerfer, Sebastian - Tonndorf, Matthias | 21.4 | 2024.12.07 Muendoerfer, Sebastian (34604367) | 1 | 86.80% | 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ | |
| 2024.12.07 | Round 20: Tonndorf, Matthias - Happe, Reinhold | 20.10 | 2024.12.07 Happe, Reinhold (12914398) | 1 | 94.80% | 1. e4 e5 2. Nf3 d5 3. d3 dxe4 | |
| 2024.12.07 | Round 19: Drygala, Lars - Tonndorf, Matthias | 19.3 | 2024.12.07 Drygala, Lars (34617779) (1986) | 0 | 82.10% | 1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 | |
| 2024.12.07 | Round 18: Tonndorf, Matthias - Sauer, Tim | 18.11 | 2024.12.07 Sauer, Tim (16265726) (2183) | 1 | 92.90% | 1. e4 c5 2. Nc3 g6 3. d4 cxd4 | |
| 2024.12.07 | Round 17: Buchenau, Frank - Tonndorf, Matthias | 17.2 | 2024.12.07 Buchenau, Frank (4604350) (2187) | 0 | 57.90% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.12.07 | Round 16: Tonndorf, Matthias - Schulze, Torben, Dr. | 16.12 | 2024.12.07 Schulze, Torben, Dr. (24630560) (2380) | 0 | 88.20% | 1. e4 Nc6 2. Nf3 d6 3. h3 Nf6 | |
| 2024.12.07 | Round 15: Tonndorf, Matthias - Ewert, Hannes | 15.1 | 2024.12.07 Ewert, Hannes (12961574) (2368) | ½ | 93.70% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2024.12.07 | Round 14: Lehmann, Holger - Tonndorf, Matthias | 14.12 | 2024.12.07 Lehmann, Holger (4620275) (2104) | 1 | 79.20% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.12.07 | Round 13: Tonndorf, Matthias - Hagemann, Sven | 13.2 | 2024.12.07 Hagemann, Sven (24613371) (2077) | ½ | 78.60% | 1. e4 c6 2. Nc3 d5 3. Nf3 Bg4 | |
| 2024.12.07 | Round 12: Koehne, Arno - Tonndorf, Matthias | 12.11 | 2024.12.07 Koehne, Arno (4630009) (1894) | 1 | 88.70% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2024.12.07 | Round 11: Tonndorf, Matthias - Voege, Tobias | 11.3 | 2024.12.07 Voege, Tobias (1270513) (2332) | 1 | 97.50% | 1. d4 e6 2. e4 d5 3. e5 c5 | |
| 2024.12.07 | Round 10: Schmitt, Dirk - Tonndorf, Matthias | 10.10 | 2024.12.07 Schmitt, Dirk (16210530) (2074) | 1 | 94.10% | 1. d4 Nf6 2. Bf4 e6 3. e3 c5 | |
| 2024.12.07 | Round 9: Tonndorf, Matthias - Zehe, Marc-Kevin | 9.4 | 2024.12.07 Zehe, Marc-Kevin (1270952) | 1 | 77.00% | 1. e4 c5 2. Nc3 a6 3. f4 e6 | |
| 2024.12.07 | Round 8: Weisser, Andreas - Tonndorf, Matthias | 8.9 | 2024.12.07 Weisser, Andreas (533017905) | 1 | 90.70% | 1. b3 b6 2. c4 Bb7 3. d4 e6 | |
| 2024.12.07 | Round 7: Tonndorf, Matthias - Tarasenko, Nazar | 7.5 | 2024.12.07 Tarasenko, Nazar (34161430) (2057) | 1 | 96.90% | 1. e4 c5 2. Nc3 d6 3. f4 Nc6 | |
| 2024.12.07 | Round 6: Hampel, Felix - Tonndorf, Matthias | 6.8 | 2024.12.07 Hampel, Felix (24668125) (2355) | 1 | 95.20% | 1. c4 b6 2. Nf3 Bb7 3. Nc3 c5 | |
| 2024.12.07 | Round 5: Tonndorf, Matthias - Schoengart, Ralf | 5.6 | 2024.12.07 Schoengart, Ralf (4637267) (2078) | 1 | 82.10% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | |
| 2024.12.07 | Round 4: Stotyn, Fabian - Tonndorf, Matthias | 4.7 | 2024.12.07 Stotyn, Fabian (24611646) (2126) | 1 | 85.80% | 1. e4 c5 2. b3 Nf6 3. e5 Nd5 | |
| 2024.12.07 | Round 3: Tonndorf, Matthias - Wetterau, Nathanael | 3.7 | 2024.12.07 Wetterau, Nathanael (34667288) | 1 | 92.90% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d5 | |
| 2024.12.07 | Round 2: Boettcher, Christian, Dr. - Tonndorf, Matthias | 2.6 | 2024.12.07 Boettcher, Christian, Dr. (4697324) (2161) | 1 | 91.70% | 1. e4 c5 2. Nf3 e6 3. d3 b6 | |
| 2024.12.07 | Round 1: Tonndorf, Matthias - Mittelstaedt, Hendrik | 1.8 | 2024.12.07 Mittelstaedt, Hendrik (4695658) (2096) | 1 | 76.80% | 1. e4 e5 2. Nf3 f5 3. d3 Nc6 | |
| 2024.11.02 | Round 8: Tonndorf, Matthias - Meins, Gerlef | 8.31 | 2024.11.02 Meins, Gerlef (4620895) (2384) | 0 | 73.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.10.31 | Round 6: Ernst, Robert - Tonndorf, Matthias | 6.22 | 2024.10.31 Ernst, Robert (1662643) (2319) | 0 | 89.40% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2024.10.29 | Round 4: Spieker, Hans-Joachim - Tonndorf, Matthias | 4.26 | 2024.10.29 Spieker, Hans-Joachim (4688970) (1830) | 1 | 87.40% | 1. Nf3 c5 2. c4 b6 3. g3 Bb7 | |
| 2024.10.27 | Round 2: Priyanka Nutakki - Tonndorf, Matthias | 2.30 | 2024.10.27 Priyanka Nutakki (25049615) (2289) | 0 | 88.90% | 1. d4 Nf6 2. Bf4 d5 3. e3 Bf5 | |
| 2024.08.01 | Round 2: Tonndorf, Matthias - Boehme, Sebastian | 2.1 | 2024.08.01 Boehme, Sebastian (16221788) (2266) | 0 | 85.40% | 1. c4 e6 2. Nf3 d5 3. e3 Nf6 | |
| 2024.07.28 | Round 7: Tonndorf, Matthias - Sickmann, Lisa | 7.4 | 2024.07.28 Sickmann, Lisa (16267818) (1927) | ½ | 99.00% | 1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 | |
| 2024.07.27 | Round 5: Tonndorf, Matthias - Lenhardt, Manfred | 5.2 | 2024.07.27 Lenhardt, Manfred (4630211) (2023) | 0 | 92.20% | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 | |
| 2024.07.27 | Round 4: Laubsch, Bernd - Tonndorf, Matthias | 4.1 | 2024.07.27 Laubsch, Bernd (4663314) (2193) | 0 | 87.90% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.07.26 | Round 3: Tonndorf, Matthias - Freise, Linus | 3.3 | 2024.07.26 Freise, Linus (16298870) (1723) | 1 | 93.10% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 | |
| 2024.07.26 | Round 2: Solar, Peter - Tonndorf, Matthias | 2.3 | 2024.07.26 Solar, Peter (16215796) (1911) | 1 | 92.40% | 1. d4 Nf6 2. Nc3 e6 3. e4 Bb4 | |
| 2024.07.25 | Round 1: Tonndorf, Matthias - Kraeuter, Paavo Alexander | 1.3 | 2024.07.25 Kraeuter, Paavo Alexander (16242300) (1893) | 1 | 90.00% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2024.06.09 | Round 4: Tonndorf, Matthias - Stotyn, Fabian | 2024.06.09 Stotyn, Fabian (24611646) (2135) | 0 | 83.10% | 1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 | ||
| 2024.06.08 | Round 3: Tonndorf, Matthias - Buchal, Stephan | 2024.06.08 Buchal, Stephan (4603915) (2225) | ½ | 87.60% | 1. e4 g6 2. d4 Bg7 3. Nc3 c6 | ||
| 2024.06.08 | Round 2: Bargsten, Justus - Tonndorf, Matthias | 2024.06.08 Bargsten, Justus (12974188) (2178) | 1 | 94.20% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | ||
| 2024.06.07 | Round 1: Tonndorf, Matthias - Kozik, Andreas | 2024.06.07 Kozik, Andreas (24670510) (1885) | 0 | 78.60% | 1. e4 e6 2. d4 d5 3. e5 c5 | ||
| 2024.03.31 | Grenke Open | 6.30 | 2024.03.31 Weber, Samuel (12924008) (2288) | 0 | 75.40% | 1. e4 c5 2. Nf3 e6 3. Bd3 d5 | |
| 2024.03.30 | new tournament description | 5.25 | 2024.03.30 De Schampheleire, Glen (208701) (2373) | * | 89.50% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 | |
| 2024.03.30 | Grenke Open | 4.19 | 2024.03.30 Scholz, Christian, Dr. (4617150) (2322) | 1 | 93.20% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2023.01.07 | Lower Saxony Championship | Masters | 6 | 2023.01.07 Tarasenko, Nazar (34161430) (1880) | ½ | 81.00% | 1. d4 Nf6 2. Nf3 e6 3. c4 Bb4+ | |
| 2023.01.07 | Lower Saxony Championship | Masters | 5 | 2023.01.07 Polster, Christian (12965081) (2233) | 0 | 78.60% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2023.01.05 | Lower Saxony Championship | Masters | 2 | 2023.01.05 Antonov, Alexander (2231) | 0 | 91.20% | 1. e4 c5 2. Nf3 e6 3. b3 d6 | |
| 2024.01.06 | Round 5: Matthias Tonndorf - Robert Elsner | 2024.01.06 Robert Elsner | 0 | 85.00% | 1. b3 e5 2. Bb2 Nc6 3. c4 Nf6 | ||
| 2024.01.05 | Round 4: Jan Pubantz - Matthias Tonndorf | 2024.01.05 Jan Pubantz | ½ | 93.70% | 1. e4 c5 2. c3 e6 3. Nf3 Nc6 | ||
| 2024.01.05 | Round 3: Matthias Tonndorf - Torben Knuedel | 2024.01.05 Torben Knuedel | 0 | 91.50% | 1. b3 Nf6 2. Bb2 e6 3. g3 d5 | ||
| 2024.01.04 | Round 2: Ernst Heinemann - Matthias Tonndorf | 2024.01.04 Ernst Heinemann | 1 | 95.90% | 1. e4 c5 2. Nf3 e6 3. b3 Nc6 | ||
| 2024.01.04 | Round 1: Matthias Tonndorf - Antal Mimkes | 2024.01.04 Antal Mimkes | ½ | 93.20% | 1. b3 f5 2. Bb2 Nf6 3. Bxf6 exf6 | ||
| 2023.11.02 | Round 6: Matthias Tonndorf - Arseny Kargin | 2023.11.02 Arseny Kargin (2391) | 0 | 81.20% | 1. e4 c5 2. Nf3 d6 3. d4 cxd4 | ||
| 2023.10.30 | Round 3: Moritz Weishaeutel - Matthias Tonndorf | 2023.10.30 Moritz Weishaeutel | 0 | 91.40% | 1. e4 c5 2. Nf3 e6 3. c3 d5 | ||
| 2023.10.29 | Round 2: Matthias Tonndorf - Kaido Kulaots | 2023.10.29 Kaido Kulaots (2508) | ½ | 93.40% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.01.08 | Round 7 | MT: Matthias Tonndorf - Marius Nürenberg | 2023.01.08 Marius Nürenberg | 1 | 96.50% | 1. e4 e6 2. d4 d5 3. e5 c5 | ||
| 2023.01.06 | Round 4 | MT: Nico Stelmaszyk - Matthias Tonndorf | 2023.01.06 Nico Stelmaszyk | 0 | 86.20% | 1. e4 c6 2. Nf3 d5 3. d3 Bg4 | ||
| 2023.01.06 | Round 3 | MT: Matthias Tonndorf - Justus Bargsten | 2023.01.06 Justus Bargsten | 1 | 96.30% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | ||
| 2023.01.05 | Round 1 | MT: Matthias Tonndorf - Maurice Seer | 2023.01.05 Maurice Seer | 1 | 89.60% | 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 |