Player profile
Marks, Jon
Dossier
11 of 11 games analyzed.
Accuracy: 83.3%
Opened d4: 6/6
Castled kingside: 11Same-side castling: 9
Fianchettoed kingside: 5Played in the center: 4Fianchettoed queenside: 3Played on the kingside: 2Played on the queenside: 2
Backward pawn: 7Kept the bishop pair: 6Active pieces: 6Initiated exchanges: 6Missed tactics: 5Sacrificed material: 4Isolated pawn: 4Space advantage: 3Avoided exchanges: 2
Openings
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As White 6 games 3W 1D 2L
Queen's Pawn Game 4 games 2W 1D 1L
(unspecified) 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
Stonewall Attack 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Dutch Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Indian Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
As Black 5 games 2W 0D 3L
Pirc Defense 4 games 2W 0D 2L
Austrian Attack 2 games 1W 0D 1L
Unzicker Attack
1 game
0W
0D
1L
(unspecified)
1 game
1W
0D
0L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Indian Defense 1 game 0W 0D 1L
Wade-Tartakower Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 62
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 11 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.08.23 | Round 11: Marks, Jon - Acharya, Nikesh | 11.25 | 2026.08.23 Acharya, Nikesh (343454771) (1759) | ½ | 87.60% | 1. d4 d5 2. e3 c5 3. c3 Nc6 | |
| 2026.08.23 | Round 10: Salvi, Amit - Marks, Jon | 10.20 | 2026.08.23 Salvi, Amit (366130147) (1840) | 0 | 52.20% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2026.08.23 | Round 9: Marks, Jon - Okike, David | 9.13 | 2026.08.23 Okike, David (8500134) (2163) | 0 | 80.10% | 1. d4 Nf6 2. e3 d5 3. Bd3 b6 | |
| 2026.08.23 | Round 8: Wang, Yong Gui - Marks, Jon | 8.25 | 2026.08.23 Wang, Yong Gui (467090) (1700) | 1 | 81.70% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2026.08.23 | Round 7: Marks, Jon - Balmond, Tom | 7.25 | 2026.08.23 Balmond, Tom (343420532) (1782) | 1 | 80.90% | 1. d4 d5 2. e3 Nf6 3. Bd3 Bg4 | |
| 2026.08.23 | Round 6: Yu, Rock - Marks, Jon | 6.14 | 2026.08.23 Yu, Rock (489000) (2252) | 0 | 84.10% | 1. Nc3 Nf6 2. e4 d6 3. d4 g6 | |
| 2026.08.23 | Round 5: Marks, Jon - Deswarte, Ian | 5.25 | 2026.08.23 Deswarte, Ian (407860) (1835) | 1 | 91.90% | 1. d4 f5 2. e3 Nf6 3. Bd3 e6 | |
| 2026.08.23 | Round 4: Siva Mahadevan - Marks, Jon | 4.11 | 2026.08.23 Siva Mahadevan (25043153) (2419) | 0 | 85.00% | 1. d4 Nf6 2. Nf3 d6 3. Nbd2 g6 | |
| 2026.08.23 | Round 3: Marks, Jon - Haussernot, Cecile | 3.12 | 2026.08.23 Haussernot, Cecile (601632) (2186) | 0 | 88.30% | 1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 | |
| 2026.08.23 | Round 2: Heidenfeld, Mark - Marks, Jon | 2.10 | 2026.08.23 Heidenfeld, Mark (2500990) (2298) | 1 | 87.70% | 1. e4 d6 2. d4 Nf6 3. Bd3 g6 | |
| 2026.08.23 | Round 1: Marks, Jon - Cohen , Amani | 1.37 | 2026.08.23 Cohen , Amani (5402417) (1508) | 1 | 97.00% | 1. d4 d5 2. e3 e6 3. Bd3 Nf6 |