Player profile
Jansen, Bob
Dossier
39 of 39 games analyzed.
Accuracy: 84.5%
Opened e4: 6/11Opened d4: 5/11
Castled kingside: 21Same-side castling: 18Did not castle: 4Opposite-side castling: 2Castled queenside: 2
Played on the kingside: 11Fianchettoed kingside: 10Played in the center: 7Fianchettoed queenside: 4Played on the queenside: 3
Active pieces: 21Initiated exchanges: 18Space advantage: 17Kept the bishop pair: 17Isolated pawn: 14Backward pawn: 13Sacrificed material: 12Missed tactics: 9Avoided exchanges: 8
Openings
Click "+" to add that group to the games list below. Multiple groups can be added at once.
As White 11 games 5W 1D 5L
Sicilian Defense 3 games 1W 0D 2L
Alapin Variation 2 games 1W 0D 1L
Stoltz Attack, Ivanchuk Line
1 game
1W
0D
0L
(unspecified)
1 game
0W
0D
1L
Delayed Alapin Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Trompowsky Attack 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
Pirc Defense 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
French Defense 1 game 0W 0D 1L
Advance Variation 1 game 0W 0D 1L
Euwe Variation
1 game
0W
0D
1L
Queen's Gambit Declined 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Pawn Game 1 game 0W 1D 0L
Accelerated London System 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Slav Defense 1 game 1W 0D 0L
Modern Line 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 16 games 3W 3D 10L
French Defense 5 games 2W 0D 3L
Advance Variation 2 games 1W 0D 1L
Euwe Variation
1 game
0W
0D
1L
Paulsen Attack
1 game
1W
0D
0L
Winawer Variation 1 game 0W 0D 1L
Advance Variation
1 game
0W
0D
1L
King's Indian Attack 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Tarrasch Variation 1 game 1W 0D 0L
Morozevich Variation
1 game
1W
0D
0L
Dutch Defense 3 games 0W 1D 2L
Classical Variation 3 games 0W 1D 2L
(unspecified)
3 games
0W
1D
2L
Pirc Defense 3 games 0W 2D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Classical Variation 1 game 0W 1D 0L
Quiet System, Chigorin Line
1 game
0W
1D
0L
Austrian Attack 1 game 0W 0D 1L
Weiss Variation
1 game
0W
0D
1L
King's Indian Defense 1 game 0W 0D 1L
Normal Variation 1 game 0W 0D 1L
Rare Defenses
1 game
0W
0D
1L
King's Pawn Game 1 game 0W 0D 1L
Tayler Opening 1 game 0W 0D 1L
Inverted Hanham
1 game
0W
0D
1L
Horwitz Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Zukertort Opening 1 game 1W 0D 0L
Queen's Gambit Invitation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Tarrasch Defense 1 game 0W 0D 1L
Schara Gambit 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 169
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 39 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.10.23 | Round 7: Jansen, Bob - Tashkinova, Sofiia | 7.24 | 2026.10.23 Tashkinova, Sofiia (14188309) (2123) | 0 | 73.00% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2026.04.03 | Grenke Chess Festival 2026 Open | 2.68 | 2026.04.03 Kalogridis, Antonios (25833901) (2386) | 0 | 86.90% | 1. d4 g6 2. c4 Nf6 3. Nc3 Bg7 | |
| 2025.05.17 | Round 3: Hubers, Daan - Jansen, Bob | 3.15 | 2025.05.17 Hubers, Daan (1054589) (1902) | ½ | 88.60% | 1. d4 e6 2. c4 f5 3. Nf3 Nf6 | |
| 2025.05.17 | Round 2: Jansen, Bob - Cornelissen, Jort | 2.22 | 2025.05.17 Cornelissen, Jort (1098160) (1863) | 1 | 87.80% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2025.05.16 | Round 1: Ganeshram, Nirupa - Jansen, Bob | 1.11 | 2025.05.16 Ganeshram, Nirupa (1083031) (1907) | 0 | 84.70% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2025.04.19 | Round 4: Jansen, Bob - Barria, Jose | 4.36 | 2025.04.19 Barria, Jose (1939300) (2368) | 0 | 90.00% | 1. e4 c5 2. c3 d5 3. exd5 Qxd5 | |
| 2025.04.18 | Round 3: Faerber, David - Jansen, Bob | 3.35 | 2025.04.18 Faerber, David (12971294) (2398) | ½ | 92.80% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2025.04.05 | Round 8: Zwirs, Nico - Jansen, Bob | 8.2 | 2025.04.05 Zwirs, Nico (1036432) (2457) | 0 | 84.80% | 1. e4 e5 2. Nf3 Nf6 3. d3 Nc6 | |
| 2025.02.08 | Round 6: Jansen, Bob - Lenaerts, Lennert | 6.7 | 2025.02.08 Lenaerts, Lennert (211435) (2312) | 0 | 72.90% | 1. e4 c5 2. c3 Nf6 3. e5 Nd5 | |
| 2024.11.23 | KNSB Meesterklasse 2024-2025 | 4.7 | 2024.11.23 Pijpers, Arthur (1019554) (2469) | 0 | 90.00% | 1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 | |
| 2024.11.09 | KNSB Meesterklasse 2024-2025 | 3.9 | 2024.11.09 Abdulla, Murad (2403757) (2318) | 0 | 86.30% | 1. e4 e6 2. d3 d5 3. Qe2 Nc6 | |
| 2024.10.25 | 39th European Chess Club Cup | 6 | 2024.10.25 Tscharnuter, Noah (1636235) (2030) | 0 | 89.90% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2024.10.23 | 39th European Chess Club Cup | 4 | 2024.10.23 Varnam, Liam D (410950) (2046) | ½ | 89.30% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2024.10.22 | 39th European Chess Club Cup | 3 | 2024.10.22 Luque Saiz, Andres (24510793) (2328) | 1 | 69.10% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2024.10.21 | 39th European Chess Club Cup | 2 | 2024.10.21 Junge, Ralph, Dr. (4602315) (2224) | 1 | 79.80% | 1. d4 d5 2. c4 e6 3. Nf3 Nf6 | |
| 2024.10.20 | Round 1: Jansen, Bob - Bartel, Mateusz | 1.18 | 2024.10.20 Bartel, Mateusz (1112635) (2608) | 0 | 89.40% | 1. d4 Nf6 2. Bg5 Nc6 3. Nf3 Ne4 | |
| 2024.10.12 | KNSB competitie | 2 | 2024.10.12 Hovhannisyan, Mher (13300865) (2407) | 0 | 81.50% | 1. Nf3 f5 2. g3 Nf6 3. Bg2 e6 | |
| 2024.09.21 | KNSB Meesterklasse 2024-2025 | 1.2 | 2024.09.21 Ikonnikov, Vyacheslav (4100972) (2465) | 0 | 83.40% | 1. d4 e6 2. c4 f5 3. g3 Nf6 | |
| 2024.08.06 | RTU Open - A | 2.15 | 2024.08.06 Muthaiah AL (5092442) (2482) | 0 | 89.50% | 1. d4 e6 2. Nf3 f5 3. Bf4 Nf6 | |
| 2024.06.02 | WLC Tournament 2024 A | 6.2 | 2024.06.02 Van Doren, Bas (1048503) (2121) | 1 | 87.80% | 1. e4 e6 2. d4 d5 3. e5 c5 | |
| 2024.06.02 | WLC Tournament 2024 A | 5.3 | 2024.06.02 Bakija, Alan (1068016) (2095) | 1 | 51.90% | 1. e4 d6 2. d4 Nf6 3. Nc3 e5 | |
| 2024.06.01 | WLC Tournament 2024 A | 3.4 | 2024.06.01 Simons, Rudy (1003801) (2011) | 1 | 91.40% | 1. e4 e6 2. d4 d5 3. Nd2 Be7 | |
| 2024.06.01 | WLC Tournament 2024 A | 2.5 | 2024.06.01 Kools, Thomas (1054759) (2065) | ½ | 85.60% | 1. d4 d5 2. Bf4 Nf6 3. e3 c5 | |
| 2024.05.31 | WLC Tournament 2024 A | 1.5 | 2024.05.31 Van Zon, Paul (1054112) (1971) | 1 | 87.20% | 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 | |
| 2024.03.28 | Round 2: Baskin, Robert - Jansen, Bob | 2024.03.28 Baskin, Robert (24662402) (2461) | 0 | 84.60% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | ||
| 2023.05.07 | WLC Toernooi 2023 A | 6.6 | 2023.05.07 Wiley, Tom E (401765) (2122) | ½ | 93.80% | 1. d4 e6 2. c4 f5 3. g3 Nf6 | |
| 2023.05.07 | WLC Toernooi 2023 A | 5.9 | 2023.05.07 Krenning, Jasper (1048643) (1787) | 1 | 95.00% | 1. d4 d5 2. Bf4 c6 3. e3 Nf6 | |
| 2023.05.06 | WLC Toernooi 2023 A | 4.7 | 2023.05.06 Verboven, Wout (251119) (1969) | ½ | 86.00% | 1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 | |
| 2023.05.06 | WLC Toernooi 2023 A | 3.1 | 2023.05.06 Beerdsen, Thomas (1030108) (2519) | 0 | 85.40% | 1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 | |
| 2023.05.06 | WLC Toernooi 2023 A | 2.5 | 2023.05.06 Wichtrup, Jan-Louis (16229355) (1950) | 1 | 94.10% | 1. Nf3 e6 2. c4 f5 3. g3 Nf6 | |
| 2023.05.05 | WLC Toernooi 2023 A | 1.8 | 2023.05.05 Grooten, Tommy (1068806) (1901) | 1 | 90.80% | 1. d4 Nf6 2. Bg5 d5 3. Nd2 Bf5 | |
| 2023.01.13 | Prague Open | Czech Tour | 9 | 2023.01.13 Chubakov, Sultan (13803468) (2039) | 1 | 95.50% | 1. e4 c6 2. d4 d5 3. f3 e6 | |
| 2023.01.12 | Prague Open | Czech Tour | 8 | 2023.01.12 Vojta, Jakub (382515) (2288) | 1 | 90.90% | 1. d4 d5 2. e4 e6 3. e5 c5 | |
| 2023.01.11 | Prague Open | Czech Tour | 7 | 2023.01.11 Bolk, Matthias (12977616) (2080) | 1 | 93.90% | 1. b4 e5 2. Bb2 Bxb4 3. Bxe5 Nf6 | |
| 2023.01.09 | Prague Open | Czech Tour | 5 | 2023.01.09 Neuman, Petr (2393) | 0 | 89.50% | 1. c4 f5 2. g3 Nf6 3. Bg2 e6 | |
| 2023.01.08 | Prague Open | Czech Tour | 4 | 2023.01.08 Evenshaug, Amadeus Hestvik (1534874) (1731) | 1 | 86.40% | 1. e4 c5 2. d4 cxd4 3. c3 dxc3 | |
| 2023.01.07 | Prague Open | Czech Tour | 3 | 2023.01.07 Tolmacevs,Artjoms (11617519) (1974) | ½ | 97.50% | 1. e4 e6 2. d4 d5 3. Nc3 Bb4 | |
| 2023.11.12 | Leuven Open 2023 Round 6: Vitaly Sivuk - Bob Jansen | 2023.11.12 Vitaly Sivuk | 0 | 88.80% | 1. d4 d5 2. c4 e6 3. Nc3 c5 | ||
| 2023.11.11 | Leuven Open 2023 Round 5: Bob Jansen - Mark Ouaki | 2023.11.11 Mark Ouaki | 1 | 93.50% | 1. d4 d5 2. c4 c6 3. Nf3 Nf6 |