Player profile
Boff, Ondrej
Dossier
56 of 69 games analyzed.
Accuracy: 88%
Opened e4: 13/15Opened Nf3: 1/15Opened c4: 1/15
Castled kingside: 29Same-side castling: 26Did not castle: 3
Played on the queenside: 15Played in the center: 10Fianchettoed queenside: 9Fianchettoed kingside: 7Played on the kingside: 4
Sacrificed material: 24Backward pawn: 23Initiated exchanges: 22Space advantage: 20Isolated pawn: 18Active pieces: 18Missed tactics: 14Kept the bishop pair: 13Avoided exchanges: 9Played gambits: 4
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 22 games 9W 3D 10L
Sicilian Defense 11 games 5W 1D 5L
Kramnik Variation 5 games 4W 0D 1L
(unspecified)
5 games
4W
0D
1L
Moscow Variation 3 games 0W 0D 3L
(unspecified)
2 games
0W
0D
2L
Sokolsky Variation
1 game
0W
0D
1L
Nyezhmetdinov-Rossolimo Attack 3 games 1W 1D 1L
(unspecified)
2 games
1W
1D
0L
Fianchetto Variation
1 game
0W
0D
1L
French Defense 3 games 0W 0D 3L
Advance Variation 1 game 0W 0D 1L
Paulsen Attack
1 game
0W
0D
1L
King's Indian Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Schlechter Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Modern Defense 2 games 0W 1D 1L
Standard Defense 2 games 0W 1D 1L
(unspecified)
2 games
0W
1D
1L
Italian Game 2 games 2W 0D 0L
Classical Variation 2 games 2W 0D 0L
Giuoco Pianissimo, with h6
2 games
2W
0D
0L
King's Indian Attack, with e6 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
Bishop's Opening 1 game 0W 0D 1L
Boi Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 1 game 1W 0D 0L
Anglo-Indian Defense 1 game 1W 0D 0L
Anglo-Grünfeld Variation
1 game
1W
0D
0L
As Black 23 games 5W 5D 12L
Sicilian Defense 16 games 2W 3D 11L
Nyezhmetdinov-Rossolimo Attack 8 games 1W 0D 7L
(unspecified)
8 games
1W
0D
7L
Kalashnikov Variation 6 games 1W 3D 2L
(unspecified)
6 games
1W
3D
2L
Old Sicilian 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Löwenthal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
English Opening 2 games 0W 1D 0L
Symmetrical Variation 2 games 0W 1D 0L
Full Symmetry Line
1 game
0W
0D
0L
Anti-Benoni Variation, Spielmann Defense
1 game
0W
1D
0L
Benoni Defense 1 game 1W 0D 0L
Benoni-Indian Defense 1 game 1W 0D 0L
Kingside Move Order
1 game
1W
0D
0L
Benko Gambit Declined 1 game 1W 0D 0L
Quiet Line 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Indian Defense 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Benko Gambit Accepted 1 game 0W 1D 0L
Fully Accepted Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Rubinstein Opening 1 game 0W 0D 1L
Bogoljubow Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 283
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 69 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.13 | Round 9: Boff, Ondrej - Fizer, Marek | 9.7 | 2026.09.13 Fizer, Marek (391980) (2056) | 0 | 83.10% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2026.09.13 | Round 8: Novotny, Dominik - Boff, Ondrej | 8.9 | 2026.09.13 Novotny, Dominik (23755601) (2156) | 1 | 77.30% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2026.09.13 | Round 7: Sigut, Ondrej - Boff, Ondrej | 7.7 | 2026.09.13 Sigut, Ondrej (23712813) (2121) | 0 | 87.10% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2026.09.12 | Round 6: Boff, Ondrej - Sadil, Antonin | 6.9 | 2026.09.12 Sadil, Antonin (23735597) (2045) | 1 | 92.20% | 1. e4 c5 2. Nf3 e6 3. c4 Nc6 | |
| 2026.09.12 | Round 2: Pogorelskiy, Boris - Boff, Ondrej | 2.6 | 2026.09.12 Pogorelskiy, Boris (34365478) (2110) | * | 96.30% | 1. c4 c5 2. g3 Nc6 3. Bg2 g6 | |
| 2026.08.30 | CHESS Slovak Open Skalica 2026 | 9.19 | 2026.08.30 Markina, Sofiia (23744014) (1929) | 1 | 85.60% | 1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 | |
| 2026.08.28 | CHESS Slovak Open Skalica 2026 | 7.20 | 2026.08.28 Zatko, Gregor (14917084) (2093) | ½ | - | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2026.08.27 | CHESS Slovak Open Skalica 2026 | 6.22 | 2026.08.27 Hriday Garg (33427852) (1899) | ½ | 83.60% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.08.26 | CHESS Slovak Open Skalica 2026 | 5.21 | 2026.08.26 Velim, Vojtech (23749407) (2102) | 0 | - | 1. e4 g6 2. d4 Bg7 3. Nc3 d6 | |
| 2026.08.25 | CHESS Slovak Open Skalica 2026 | 4.22 | 2026.08.25 Sikorova, Jana (392472) (1940) | 1 | 97.10% | 1. d4 Nf6 2. Nf3 c5 3. d5 e6 | |
| 2026.08.24 | CHESS Slovak Open Skalica 2026 | 3.23 | 2026.08.24 Durovka, Marek (14959542) (2031) | 0 | 90.20% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2026.08.23 | CHESS Slovak Open Skalica 2026 | 2.19 | 2026.08.23 Mifsud, Timothy (5600111) (2103) | 0 | 85.70% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2026.08.22 | CHESS Slovak Open Skalica 2026 | 1.14 | 2026.08.22 Meszaros, Casey Ryan (14963205) (2233) | 0 | 88.60% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2026.07.22 | CZECH OPEN 2026 - G1 - PARDUBICKY KRAJ OPEN | 1.34 | 2026.07.22 Domanskiy, Mykola (34103716) (2225) | 0 | 77.60% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2026.06.23 | Round 5: Boff, Ondrej - Bohacek, Jan Andrej | 5.6 | 2026.06.23 Bohacek, Jan Andrej (23727357) (2108) | 0 | 80.80% | 1. e4 e6 2. d3 d5 3. Nd2 c5 | |
| 2026.06.23 | Round 4: Zeman, Daniel Nikolas - Boff, Ondrej | 4.6 | 2026.06.23 Zeman, Daniel Nikolas (23717130) (2118) | 0 | 85.30% | 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 | |
| 2026.06.23 | Round 2: Boff, Ondrej - Juchelka, Marek | 2.6 | 2026.06.23 Juchelka, Marek (398284) (1917) | 0 | 79.10% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2026.03.13 | MCR 2026 | 8.3 | 2026.03.13 Soucek, Andrej (23727349) (2077) | 1 | 89.70% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 | |
| 2026.03.11 | MCR 2026 | 6.2 | 2026.03.11 Svadlenka, Dominik (23716258) (2045) | 1 | 91.80% | 1. e4 c5 2. Nf3 e6 3. c4 Nc6 | |
| 2026.03.10 | MCR 2026 | 5.5 | 2026.03.10 Mlynek, Jakub (23712481) (2046) | 1 | 95.00% | 1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 | |
| 2026.03.09 | MCR 2026 | 4.5 | 2026.03.09 Macosek, Alex (23730463) (1977) | 1 | 96.80% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2026.03.09 | MCR 2026 | 3.6 | 2026.03.09 Mydlar, Matej (23735074) (2136) | ½ | 94.40% | 1. e4 e6 2. d3 d5 3. Nd2 Nf6 | |
| 2026.03.08 | MCR 2026 | 2.9 | 2026.03.08 Oujesky, Jakub (23756705) (1941) | 1 | 87.90% | 1. d4 Nf6 2. Bf4 c5 3. e3 d5 | |
| 2026.03.07 | MCR 2026 | 9.1 | 2026.03.07 Topencik, Bruno (23716550) (2267) | ½ | 95.50% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2026.03.07 | MCR 2026 | 7.1 | 2026.03.07 Pogorelskiy, Boris | 0 | 87.10% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2026.03.07 | MCR 2026 | 1.2 | 2026.03.07 Kroulik, Vaclav (23725478) (2241) | 0 | 91.50% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | |
| 2025.09.21 | MČR juniorů a juniorek v rapid šachu 2025 | 9.25 | 2025.09.21 Novak, Lukas (23730633) (1756) | 0 | 87.60% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.09.21 | MČR juniorů a juniorek v rapid šachu 2025 | 8.24 | 2025.09.21 Volf, Felix (23768029) (1703) | ½ | 81.30% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2025.09.21 | MČR juniorů a juniorek v rapid šachu 2025 | 7.20 | 2025.09.21 Hudik, Martin (23769947) (1575) | 0 | 85.40% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.09.20 | MČR juniorů a juniorek v rapid šachu 2025 | 6.16 | 2025.09.20 Vyslysel, Petr (23730277) (1763) | 0 | 87.80% | 1. e4 e5 2. Bc4 Bc5 3. Nc3 Nc6 | |
| 2025.09.20 | MČR juniorů a juniorek v rapid šachu 2025 | 5.15 | 2025.09.20 Martinkovic, Adam (23728019) (1820) | ½ | 93.10% | 1. d4 Nf6 2. Nf3 c5 3. c4 cxd4 | |
| 2025.09.20 | MČR juniorů a juniorek v rapid šachu 2025 | 4.18 | 2025.09.20 Kaplanova, Dominika (23737344) (1784) | 1 | - | 1. e4 c5 2. Nf3 e6 3. c4 Nc6 | |
| 2025.09.20 | MČR juniorů a juniorek v rapid šachu 2025 | 3.18 | 2025.09.20 Berger, Michael (23785551) (1669) | 0 | - | 1. d4 Nf6 2. Nf3 c5 3. e3 d5 | |
| 2025.09.20 | MČR juniorů a juniorek v rapid šachu 2025 | 2.4 | 2025.09.20 Hak, David (377007) (2175) | 0 | - | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2025.09.20 | MČR juniorů a juniorek v rapid šachu 2025 | 1.22 | 2025.09.20 Marxova, Sarka (23701862) (1667) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.03.15 | MÄR 2025 H14 | 9.9 | 2025.03.15 Sochor, Antonin (23735350) (1888) | 0 | - | 1. e4 e6 2. d4 d5 3. Bd3 dxe4 | |
| 2025.03.14 | MÄR 2025 H14 | 8.3 | 2025.03.14 Migalko, Dmitriy (34147489) (1941) | 0 | 84.60% | 1. e4 c5 2. Nf3 e6 3. c4 Nc6 | |
| 2025.03.13 | MÄR 2025 H14 | 7.2 | 2025.03.13 Honcharov, Makar (23746203) (2120) | 0 | - | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2025.03.12 | MÄR 2025 H14 | 6.1 | 2025.03.12 Kroulik, Vaclav (23725478) (2031) | 0 | - | 1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 | |
| 2025.03.11 | MÄR 2025 H14 | 5.2 | 2025.03.11 Krivka, Matej (23752106) (2008) | 1 | - | 1. e4 c5 2. Nf3 e6 3. c4 Nc6 | |
| 2025.03.10 | MÄR 2025 H14 | 4.3 | 2025.03.10 Svadlenka, Michal (23717068) (2029) | ½ | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.03.10 | MÄR 2025 H14 | 3.3 | 2025.03.10 Mydlar, Matej (23735074) (2073) | 1 | - | 1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 | |
| 2025.03.09 | MÄR 2025 H14 | 2.7 | 2025.03.09 Policar, Martin (23734868) (1959) | 1 | 89.30% | 1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 | |
| 2025.03.08 | MÄR 2025 H14 | 1.12 | 2025.03.08 Walder, Hugo (23743360) (1706) | ½ | - | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2024.08.23 | EYCC 2024 - O14 | 2.9 | 2024.08.23 Myagmarsuren, Evsuld (1551639) (2142) | 0 | 87.70% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2023.03.18 | h12 | 9.4 | 2023.03.18 Chernyy, Andrey (1605) | ½ | 86.20% | 1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 | |
| 2023.03.17 | h12 | 8.5 | 2023.03.17 Rendl, Lubos (23750197) (1477) | 1 | 88.40% | 1. e4 e5 2. Bc4 Nf6 3. d3 c6 | |
| 2023.03.16 | H12 | 7.7 | 2023.03.16 Sboev, Kirill (23732245) (1506) | 1 | 91.30% | 1. Nf3 c5 2. g3 g6 3. Bg2 Bg7 | |
| 2023.03.15 | H12 | 6.4 | 2023.03.15 Mikulka, Martin Michael (23730803) (1786) | 0 | 90.40% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2023.03.14 | H12 | 5.5 | 2023.03.14 Hladky, Mikulas (23720476) (1476) | ½ | 86.40% | 1. Nf3 c5 2. c4 g6 3. e3 Bg7 | |
| 2023.03.13 | H12 | 4.2 | 2023.03.13 Policar, Martin (23734868) (1552) | 0 | 80.40% | 1. e4 e6 2. d4 d5 3. Bd3 Nf6 | |
| 2023.03.13 | H12 | 3.2 | 2023.03.13 Mydlar, Matej (23735074) (1586) | ½ | 87.00% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2023.03.12 | H12 | 2.2 | 2023.03.12 Bara, Jan (23716150) (1712) | 1 | 93.30% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | |
| 2023.03.11 | h12 | 1.9 | 2023.03.11 Sudrich, Radek (1304) | 1 | 94.90% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| skalica b | 9.3 | Bjolek, Jan (23725800) (1948) | 0 | 85.80% | 1. d4 Nf6 2. Bf4 c5 3. e3 g6 | ||
| skalica b | 8.5 | Kozdon, Marek (1809) | ½ | 90.10% | 1. Nf3 c5 2. e4 e6 3. c4 Qc7 | ||
| skalica b | 7.4 | Svoboda, Daniel (1945) | ½ | 95.20% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| skalica b | 6.1 | Hasala, Richard (14969157) (1996) | 0 | 91.80% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 | ||
| skalica b | 5.6 | Hrubsa, Marian (14915898) (1847) | 1 | 90.50% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| skalica b | 4.6 | Sikorova, Jana (392472) (1768) | 1 | 80.60% | 1. e4 c5 2. Nf3 e6 3. c4 Qc7 | ||
| skalica b | 3.5 | Hulva, Denny Gabriel (23742194) (1608) | 0 | 91.20% | 1. e4 c5 2. Nf3 Nc6 3. c4 e5 | ||
| skalica b | 2.6 | Svorad, Tomas (14970481) (1713) | 1 | 96.60% | 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 | ||
| skalica b | 1.8 | Boff, Vojtech (23733969) (1625) | 1 | 93.70% | 1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 | ||
| 2023.07.09 | Round 9: Karolina Figa - Ondrej Boff | 2023.07.09 Karolina Figa | 0 | 82.50% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | ||
| 2023.07.08 | Round 8: Ondrej Boff - Vojtech Boff | 2023.07.08 Vojtech Boff | ½ | 92.60% | 1. e4 c5 2. Nf3 e6 3. c4 Nc6 | ||
| 2023.07.07 | Round 7: Maria Anna Michalska - Ondrej Boff | 2023.07.07 Maria Anna Michalska | 1 | 86.20% | 1. c4 g6 2. Nc3 c5 3. g3 Bg7 | ||
| 2023.07.05 | Round 5: Kacper Staniczek - Ondrej Boff | 2023.07.05 Kacper Staniczek | ½ | 93.00% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2023.07.04 | Round 4: Ondrej Boff - Anna Slusarczyk | 2023.07.04 Anna Slusarczyk | 0 | 76.50% | 1. e4 c5 2. Nf3 e6 3. c4 a6 | ||
| 2023.07.03 | Round 3: Julia Michniak - Ondrej Boff | 2023.07.03 Julia Michniak | 1 | 91.20% | 1. d4 Nf6 2. Bf4 c5 3. e3 d5 |