Player profile
Bosch, Jeroen
Dossier
25 of 31 games analyzed.
Accuracy: 93.9%
Opened d4: 8/12Opened e4: 4/12
Castled kingside: 22Same-side castling: 22Castled queenside: 2Opposite-side castling: 2Did not castle: 1
Played in the center: 11Played on the queenside: 8Fianchettoed kingside: 5Fianchettoed queenside: 4Played on the kingside: 3
Active pieces: 21Space advantage: 15Backward pawn: 14Kept the bishop pair: 14Initiated exchanges: 14Sacrificed material: 12Isolated pawn: 8Avoided exchanges: 5Missed tactics: 5Accepted short draws: 4
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 16 games 9W 4D 3L
Queen's Gambit Declined 6 games 4W 1D 1L
Barmen Variation 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Tartakower Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Chigorin Defense 1 game 1W 0D 0L
Main Line
1 game
1W
0D
0L
Cambridge Springs Defense 1 game 1W 0D 0L
Yugoslav Variation
1 game
1W
0D
0L
Orthodox Defense 1 game 1W 0D 0L
Bd3 Line
1 game
1W
0D
0L
Pirc Defense 2 games 1W 0D 1L
Classical Variation 1 game 0W 0D 1L
Quiet System, Parma Defense
1 game
0W
0D
1L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
French Defense 2 games 2W 0D 0L
Classical Variation 1 game 1W 0D 0L
Burn Variation
1 game
1W
0D
0L
Winawer Variation 1 game 1W 0D 0L
Retreat Variation, Armenian Line
1 game
1W
0D
0L
Grünfeld Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Indian Defense 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Traditional Variation
1 game
0W
1D
0L
Semi-Slav Defense 1 game 1W 0D 0L
Moscow Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
King's Indian Defense 1 game 1W 0D 0L
Sämisch Variation 1 game 1W 0D 0L
Bobotsov-Korchnoi-Petrosian Variation
1 game
1W
0D
0L
Ruy Lopez 1 game 0W 0D 1L
Morphy Defense 1 game 0W 0D 1L
Neo-Arkhangelsk Variation
1 game
0W
0D
1L
Sicilian Defense 1 game 0W 1D 0L
Taimanov Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
As Black 15 games 3W 11D 1L
Petrov's Defense 4 games 1W 3D 0L
Millennium Attack 2 games 0W 2D 0L
(unspecified)
2 games
0W
2D
0L
Three Knights Game 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Modern Attack 1 game 0W 1D 0L
Center Variation
1 game
0W
1D
0L
English Opening 3 games 2W 1D 0L
King's English Variation 1 game 0W 1D 0L
Four Knights Variation, Quiet Line
1 game
0W
1D
0L
Anglo-Indian Defense 1 game 1W 0D 0L
King's Indian Formation
1 game
1W
0D
0L
Agincourt Defense 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Declined 2 games 0W 2D 0L
Orthodox Defense 1 game 0W 1D 0L
Swiss, Carlsbad Variation
1 game
0W
1D
0L
Exchange Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Queen's Pawn Game 1 game 0W 1D 0L
London System 1 game 0W 1D 0L
with e6
1 game
0W
1D
0L
East Indian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Opening 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Indian Defense 1 game 0W 1D 0L
Wade-Tartakower Defense 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Sicilian Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Blunders Top 4 of 73
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 31 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.09.03 | Round 8: Dishman, Stephen - Bosch, Jeroen | 8.13 | 2026.09.03 Dishman, Stephen (403024) (2277) | ½ | 84.90% | 1. Nf3 d5 2. d4 e6 3. Bf4 c5 | |
| 2026.09.02 | Round 7: Bosch, Jeroen - Ftacnik, Lubomir | 7.9 | 2026.09.02 Ftacnik, Lubomir (14900017) (2407) | ½ | 99.00% | 1. d4 Nf6 2. c4 g6 3. Nc3 d5 | |
| 2026.09.01 | Round 6: Godena, Michele - Bosch, Jeroen | 6.1 | 2026.09.01 Godena, Michele (800090) (2460) | ½ | 98.40% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2026.08.31 | Round 5: Neumeier, Klaus - Bosch, Jeroen | 5.13 | 2026.08.31 Neumeier, Klaus (1602365) (2238) | ½ | 94.30% | 1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 | |
| 2026.08.30 | Round 4: Bosch, Jeroen - Rene, Benoit | 4.9 | 2026.08.30 Rene, Benoit (600636) (2176) | 0 | 80.40% | 1. d4 d6 2. e4 g6 3. Nf3 Bg7 | |
| 2026.08.29 | Round 3: Kaganskiy, Gleb - Bosch, Jeroen | 3.9 | 2026.08.29 Kaganskiy, Gleb (4132025) (2223) | 1 | 95.20% | 1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 | |
| 2026.08.27 | Round 1: Marzano, Carlo - Bosch, Jeroen | 1.13 | 2026.08.27 Marzano, Carlo (802980) (2106) | ½ | 97.60% | 1. d4 Nf6 2. Nf3 g6 3. Nbd2 d5 | |
| 2026.08.08 | Round 2: Bosch, Jeroen - Conquest, Stuart C | 2.1 | 2026.08.08 Conquest, Stuart C (400181) (2506) | ½ | 96.00% | 1. d4 e6 2. Nf3 Nf6 3. c4 b6 | |
| 2026.05.14 | Finals tiebreak: Bosch, Jeroen - Ondersteijn, Niels | 4.3 | 2026.05.14 Ondersteijn, Niels (1011162) (2382) | 1 | 95.50% | 1. e4 d6 2. d4 g6 3. Nc3 a6 | |
| 2026.05.14 | Finale en 3/4e plaats: Ondersteijn, Niels - Bosch, Jeroen | 3.3 | 2026.05.14 Ondersteijn, Niels (1011162) (2382) | 1 | 92.50% | 1. c4 e6 2. g3 d5 3. cxd5 exd5 | |
| 2026.05.14 | tiebreak Halve Finale: Bosch, Jeroen - Goudriaan, Rafael | 2.3 | 2026.05.14 Goudriaan, Rafael (1063162) (2247) | 0 | - | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2026.05.14 | Semi Final: Goudriaan, Rafael - Bosch, Jeroen | 1.3 | 2026.05.14 Goudriaan, Rafael (1063162) (2247) | 1 | 97.60% | 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 | |
| 2026.04.11 | Round 9: Bosch, Jeroen - Albers, Sasa | 1.5 | 2026.04.11 Albers, Sasa (1068253) (2334) | ½ | 91.60% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2026.03.30 | KNSB competitie 2025/2026 | 6.2 | 2026.03.30 Ritzerveld, Noah (1085760) (2205) | 1 | - | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2026.03.08 | KNSB competitie 2025/2026 | 8.9 | 2026.03.08 Van der Werf, Mark (1000470) (2380) | ½ | - | 1. d4 d5 2. c4 e6 3. Nc3 Nf6 | |
| 2026.02.07 | Round 7: Schoppen, Casper - Bosch, Jeroen | 7.2 | 2026.02.07 Schoppen, Casper (1046730) (2571) | 0 | 91.80% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.12.26 | Round 5: Bosch, Jeroen - Klaska, Philipp Leon | 5.9 | 2025.12.26 Klaska, Philipp Leon (16238044) (2322) | 1 | - | 1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 | |
| 2025.11.25 | KNSB competitie 2025/2026 | 4.1 | 2025.11.25 Beukema, Stefan (1024523) (2406) | 1 | - | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 | |
| 2025.11.01 | Round 11: Lima, Darcy - Bosch, Jeroen | 11.5 | 2025.11.01 Lima, Darcy (2100045) (2396) | ½ | 98.20% | 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 | |
| 2025.10.31 | Round 10: Bosch, Jeroen - Novik, Maxim | 10.5 | 2025.10.31 Novik, Maxim (4102924) (2378) | 1 | 95.60% | 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 | |
| 2025.10.30 | Round 9: Bosch, Jeroen - Grant, Jonathan I M | 9.14 | 2025.10.30 Grant, Jonathan I M (2400294) (2134) | 1 | 96.10% | 1. d4 Nf6 2. c4 e6 3. Nf3 d5 | |
| 2025.10.29 | Round 8: Min, Valeriy - Bosch, Jeroen | 8.12 | 2025.10.29 Min, Valeriy (13700391) (2272) | ½ | 98.00% | 1. Nf3 d5 2. e3 Nf6 3. b3 c5 | |
| 2025.10.28 | Round 7: Bosch, Jeroen - Melikhov, Evgeny V. | 7.21 | 2025.10.28 Melikhov, Evgeny V. (4122046) (2148) | 1 | 96.20% | 1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 | |
| 2025.10.26 | Round 6: Gluckman, David - Bosch, Jeroen | 6.19 | 2025.10.26 Gluckman, David (14300010) (2152) | ½ | 93.40% | 1. d4 Nf6 2. Nf3 d6 3. Nc3 Bf5 | |
| 2025.10.25 | Round 5: Bosch, Jeroen - Farahat, Ali | 5.9 | 2025.10.25 Farahat, Ali (10600507) (2309) | 0 | 91.20% | 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 | |
| 2025.10.24 | Round 4: Svenn, Gosta - Bosch, Jeroen | 4.7 | 2025.10.24 Svenn, Gosta (1700553) (2301) | ½ | 96.70% | 1. e4 c5 2. Be2 e6 3. d3 Nc6 | |
| 2025.10.23 | Round 3: Bosch, Jeroen - Milat, Marcel | 3.15 | 2025.10.23 Milat, Marcel (2602105) (2185) | 1 | 88.20% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2025.10.22 | Round 2: Estremera Panos, Sergio - Bosch, Jeroen | 2.7 | 2025.10.22 Estremera Panos, Sergio (2200864) (2183) | ½ | 91.40% | 1. c4 e6 2. Nf3 d5 3. e3 Nf6 | |
| 2025.10.21 | Round 1: Bosch, Jeroen - Coste, Thierry | 1.10 | 2025.10.21 Coste, Thierry (601551) (2052) | 1 | 96.60% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2025.10.03 | Round 2: Bosch, Jeroen - Van Wely, Loek | 2.1 | 2025.10.03 Van Wely, Loek (1000268) (2630) | ½ | 90.50% | 1. e4 c5 2. Nf3 e6 3. d4 cxd4 | |
| 2025.09.22 | KNSB competitie 2025/2026 | 1.3 | 2025.09.22 Smeets, Kobe (1063910) (2352) | ½ | - | 1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 |