Player profile
Underwood, Jon
Dossier
32 of 32 games analyzed.
Accuracy: 92%
Opened c4: 12/12
Castled kingside: 20Same-side castling: 19Did not castle: 5Castled queenside: 1
Fianchettoed kingside: 13Fianchettoed queenside: 11Played in the center: 7Played on the queenside: 7Played on the kingside: 5
Space advantage: 21Active pieces: 20Backward pawn: 17Kept the bishop pair: 17Sacrificed material: 13Initiated exchanges: 13Isolated pawn: 11Avoided exchanges: 8Missed tactics: 8Played gambits: 4
Openings
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As White 12 games 6W 3D 3L
English Opening 10 games 5W 2D 3L
Agincourt Defense 5 games 4W 0D 1L
(unspecified)
2 games
2W
0D
0L
Neo-Catalan Declined
2 games
2W
0D
0L
Catalan Defense Accepted
1 game
0W
0D
1L
Symmetrical Variation 1 game 0W 0D 1L
Three Knights, Fianchetto Variation
1 game
0W
0D
1L
Anglo-Dutch Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Caro-Kann Defensive System 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's English Variation 1 game 0W 0D 1L
Taimanov Variation
1 game
0W
0D
1L
Mikenas-Carls Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
King's Indian Defense 2 games 1W 1D 0L
Kramer Variation 2 games 1W 1D 0L
(unspecified)
2 games
1W
1D
0L
As Black 14 games 3W 7D 4L
Dutch Defense 7 games 1W 3D 3L
Normal Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Staunton Gambit 1 game 0W 0D 1L
Nimzowitsch Variation
1 game
0W
0D
1L
Fianchetto Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Raphael Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Knight Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Leningrad Variation 1 game 1W 0D 0L
Warsaw Variation
1 game
1W
0D
0L
Sicilian Defense 6 games 2W 3D 1L
Lasker-Pelikan Variation 3 games 1W 2D 0L
Sveshnikov Variation, Chelyabinsk Variation
2 games
0W
2D
0L
(unspecified)
1 game
1W
0D
0L
Modern Variations 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Najdorf Variation 1 game 1W 0D 0L
Lipnitsky Attack
1 game
1W
0D
0L
English Opening 1 game 0W 1D 0L
Anglo-Dutch Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 130
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 32 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.24 | Round 8: Sundac, Ivano - Underwood, Jon | 8.13 | 2026.10.24 Sundac, Ivano (14580233) (2260) | 0 | 86.10% | 1. d4 f5 2. c4 Nf6 3. Nf3 e6 | |
| 2026.10.22 | Round 5: Underwood, Jon - Grgantov, Marin | 5.18 | 2026.10.22 Grgantov, Marin (14561824) (2246) | 0 | 89.60% | 1. c4 e6 2. g3 d5 3. Bg2 Nf6 | |
| 2026.03.08 | Round 4: Underwood, Jon - Arkell, Keith C | 4.3 | 2026.03.08 Arkell, Keith C (400270) (2385) | 0 | 88.10% | 1. c4 c5 2. g3 Nc6 3. Nc3 g6 | |
| 2026.03.07 | Round 3: Liu, Yutong - Underwood, Jon | 3.7 | 2026.03.07 Liu, Yutong (8610487) (1992) | ½ | 82.50% | 1. d4 f5 2. Nf3 Nf6 3. g3 e6 | |
| 2026.03.07 | Round 2: Underwood, Jon - Stubbs, Oliver | 2.4 | 2026.03.07 Stubbs, Oliver (441325) (2184) | ½ | 91.90% | 1. c4 Nf6 2. Nc3 g6 3. e4 d6 | |
| 2026.02.15 | Round 9: Deboosere, Adam Moussa - Underwood, Jon | 9.4 | 2026.02.15 Deboosere, Adam Moussa (7939230) (1948) | 0 | 89.10% | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 | |
| 2026.02.14 | Round 8: Underwood, Jon - Beaurain, Yanis | 8.6 | 2026.02.14 Beaurain, Yanis (36084212) (1861) | 1 | 97.20% | 1. c4 e6 2. g3 d5 3. Bg2 a6 | |
| 2026.02.13 | Round 7: Dejardin, Gregoire - Underwood, Jon | 7.3 | 2026.02.13 Dejardin, Gregoire (651017520) (1977) | 0 | 91.60% | 1. d4 f5 2. g3 Nf6 3. Bg2 e6 | |
| 2026.02.13 | Round 6: Underwood, Jon - Belhout, Ahmed Zoubaier | 6.7 | 2026.02.13 Belhout, Ahmed Zoubaier (5532698) (1725) | 1 | 95.60% | 1. c4 e6 2. g3 d5 3. Bg2 dxc4 | |
| 2026.02.12 | Round 5: Abidi, Jayad - Underwood, Jon | 5.6 | 2026.02.12 Abidi, Jayad (653080513) (1744) | ½ | 91.50% | 1. d4 f5 2. Nc3 Nf6 3. Bg5 d5 | |
| 2026.02.10 | Round 4: Underwood, Jon - Brionne, Thierry | 4.4 | 2026.02.10 Brionne, Thierry (606642) (1951) | ½ | 92.10% | 1. c4 f5 2. g3 Nf6 3. Bg2 g6 | |
| 2026.02.10 | Round 3: Zenaidi, Mokhtar - Underwood, Jon | 3.5 | 2026.02.10 Zenaidi, Mokhtar (5510112) (1900) | 1 | 96.90% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2026.02.09 | Round 2: Underwood, Jon - Abdou, Mohamed | 2.13 | 2026.02.09 Abdou, Mohamed (652006190) (1769) | 1 | 92.50% | 1. c4 c6 2. g3 d5 3. Bg2 e5 | |
| 2026.02.08 | Round 1: Hafsa, Adem - Underwood, Jon | 1.8 | 2026.02.08 Hafsa, Adem (5502209) (1782) | ½ | 84.90% | 1. e4 c5 2. Nf3 d6 3. h3 Nf6 | |
| 2025.11.02 | Benidorm Chess Open B Sub-2000 2025 | 9.2 | 2025.11.02 Vazquez Gonzalez, Jesus (2210193) (1929) | 0 | 87.40% | 1. e4 c5 2. Bd3 d5 3. c3 dxe4 | |
| 2025.10.31 | Benidorm Chess Open B Sub-2000 2025 | 7.3 | 2025.10.31 Reig Albero, Ferran (2207516) (1956) | ½ | 98.30% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | |
| 2025.10.30 | Benidorm Chess Open B Sub-2000 2025 | 6.5 | 2025.10.30 Mulleady, Peter J (416347) (1868) | 1 | 95.10% | 1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 | |
| 2025.10.29 | Benidorm Chess Open B Sub-2000 2025 | 5.2 | 2025.10.29 Aragon Gutierrez, Alejandro (32016522) (1927) | ½ | 84.90% | 1. c4 f5 2. Nc3 Nf6 3. g3 g6 | |
| 2025.10.28 | Benidorm Chess Open B Sub-2000 2025 | 4.7 | 2025.10.28 Rodriguez Perez, Mauro (2256371) (1872) | 1 | 97.50% | 1. c4 e6 2. g3 Nf6 3. Bg2 d5 | |
| 2025.10.27 | Benidorm Chess Open B Sub-2000 2025 | 2.2 | 2025.10.27 Matthews, Gabriel (2511401) (1850) | 1 | 95.50% | 1. c4 e6 2. g3 Nf6 3. Bg2 d5 | |
| 2025.10.26 | Round 1: Granholm, Johan - Underwood, Jon | 1.4 | 2025.10.26 Granholm, Johan (1708732) (1751) | 1 | 97.20% | 1. e4 c5 2. d4 cxd4 3. Nf3 d6 | |
| 2025.10.10 | Benidorm Chess Open B Sub-2000 2025 | 3.1 | 2025.10.10 Borrego Gil, Diego (2256657) (1888) | ½ | 96.50% | 1. d4 f5 2. c4 Nf6 3. Nc3 e6 | |
| 2024.02.24 | Round 9: Martyn, Rafe - Underwood, Jon | 2024.02.24 Martyn, Rafe (409626) (2206) | ½ | 95.60% | 1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 | ||
| 2024.02.23 | Round 8: Underwood, Jon - Waller, Dan | 2024.02.23 Waller, Dan (451053) (2110) | 0 | 84.70% | 1. c4 e5 2. g3 Nc6 3. Bg2 g6 | ||
| 2024.02.23 | Round 7: Ismail, Mohammed Aayan - Underwood, Jon | 2024.02.23 Ismail, Mohammed Aayan (465135) (2111) | 1 | 96.40% | 1. c4 f5 2. Nf3 Nf6 3. g3 g6 | ||
| 2024.02.22 | Round 6: Underwood, Jon - McClement, Andrew | 2024.02.22 McClement, Andrew (2400480) (2221) | ½ | 92.90% | 1. c4 Nf6 2. Nc3 e6 3. e4 d5 | ||
| 2023.10.21 | 2. Open Hvar | 9.16 | 2023.10.21 Grgurevic, Boris (14508230) (2085) | 0 | 79.70% | 1. e4 c5 2. Nf3 d6 3. c3 Nf6 | |
| 2023.10.19 | 2. Open Hvar | 7.19 | 2023.10.19 Daksh Jain (25969269) (1735) | ½ | 96.20% | 1. e4 c5 2. c3 d5 3. exd5 Nf6 | |
| 2023.10.18 | 2. Open Hvar | 6.9 | 2023.10.18 Kostov, Deyan Samuil (30909015) (2262) | 0 | 88.00% | 1. c4 e5 2. g3 Nc6 3. Bg2 g6 | |
| 2023.10.18 | 2. Open Hvar | 5.10 | 2023.10.18 Lavrov, Maxim (14115387) (2173) | ½ | 89.40% | 1. c4 c5 2. g3 Nf6 3. Bg2 e6 | |
| 2023.10.16 | 2. Open Hvar | 3.11 | 2023.10.16 Cvitan, Ena (14534215) (2281) | ½ | 96.90% | 1. d4 f5 2. Bf4 Nf6 3. e3 g6 | |
| 2023.10.16 | 2. Open Hvar | 2.4 | 2023.10.16 Dizdarevic, Emir (14400049) (2367) | ½ | 95.80% | 1. c4 b6 2. Nc3 Bb7 3. e4 e5 |