Player profile
Foerster, Jonas
Dossier
46 of 46 games analyzed.
Accuracy: 90.4%
Opened d4: 9/24Opened e4: 7/24Opened Nf3: 5/24Opened c4: 1/24Opened Ng3: 1/24Opened Nab3: 1/24
Castled kingside: 34Same-side castling: 30Did not castle: 6Castled queenside: 6Opposite-side castling: 4
Fianchettoed kingside: 22Played in the center: 14Played on the queenside: 13Fianchettoed queenside: 11Played on the kingside: 6
Active pieces: 35Backward pawn: 30Kept the bishop pair: 28Sacrificed material: 27Isolated pawn: 26Initiated exchanges: 26Space advantage: 23Missed tactics: 12Avoided exchanges: 11Played gambits: 2
Openings
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As White 24 games 13W 6D 5L
? 4 games 4W 0D 0L
(unspecified) 4 games 4W 0D 0L
(unspecified)
4 games
4W
0D
0L
Sicilian Defense 3 games 0W 2D 1L
Modern Variations 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Nyezhmetdinov-Rossolimo Attack 1 game 0W 0D 1L
Fianchetto Variation
1 game
0W
0D
1L
French Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Four Knights Game 2 games 1W 1D 0L
Scotch Variation Accepted 2 games 1W 1D 0L
(unspecified)
1 game
1W
0D
0L
Main Line
1 game
0W
1D
0L
King's Indian Defense 2 games 1W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
Panno Variation
1 game
0W
1D
0L
Orthodox Variation 1 game 1W 0D 0L
Classical System
1 game
1W
0D
0L
Semi-Slav Defense 2 games 2W 0D 0L
Noteboom Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Stoltz Variation 1 game 1W 0D 0L
Shabalov Attack
1 game
1W
0D
0L
Queen's Pawn Game 2 games 1W 0D 1L
Symmetrical Variation 1 game 1W 0D 0L
Pseudo-Catalan
1 game
1W
0D
0L
Zukertort Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
King's Indian Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Pirc 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
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Kangaroo Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
French Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Benko Gambit Declined 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Philidor Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Gambit Accepted 1 game 1W 0D 0L
Classical Defense 1 game 1W 0D 0L
Steinitz Variation, Development Variation
1 game
1W
0D
0L
Neo-Grünfeld Defense 1 game 0W 1D 0L
Delayed Exchange Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
As Black 22 games 9W 5D 8L
Caro-Kann Defense 7 games 4W 1D 2L
Advance Variation 3 games 1W 0D 2L
Botvinnik-Carls Defense
3 games
1W
0D
2L
Two Knights Attack 2 games 2W 0D 0L
(unspecified)
2 games
2W
0D
0L
(unspecified) 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Maróczy Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
? 4 games 1W 1D 2L
(unspecified) 4 games 1W 1D 2L
(unspecified)
4 games
1W
1D
2L
Pirc Defense 3 games 1W 1D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified)
2 games
1W
0D
1L
Classical Variation 1 game 0W 1D 0L
Quiet System
1 game
0W
1D
0L
King's Indian Defense 2 games 0W 1D 1L
Orthodox Variation 1 game 0W 1D 0L
Gligoric-Taimanov System
1 game
0W
1D
0L
Fianchetto Variation 1 game 0W 0D 1L
Panno Variation
1 game
0W
0D
1L
Sicilian Defense 1 game 0W 1D 0L
Alapin Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Modern Defense 1 game 1W 0D 0L
Two Knights Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Nimzo-Indian Defense 1 game 1W 0D 0L
Sämisch Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Benoni Defense 1 game 0W 0D 1L
Fianchetto Variation 1 game 0W 0D 1L
Hastings Defense, Main Line
1 game
0W
0D
1L
King's Indian Attack 1 game 1W 0D 0L
Yugoslav Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Zukertort Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 149
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 46 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.07.19 | Round 9: Glek, Igor - Foerster, Jonas | 9.6 | 2026.07.19 Glek, Igor (4100484) (2413) | 0 | 87.80% | 1. e4 e5 2. Nf3 f6 3. d4 exd4 | |
| 2026.07.18 | Round 8: Foerster, Jonas - Zdybel, Przemyslaw | 8.11 | 2026.07.18 Zdybel, Przemyslaw (21877882) (2220) | 1 | 93.80% | 1. c4 c5 2. Be4 Nhg6 3. g3 d6 | |
| 2026.07.18 | Round 7: Naeckel, Gerhard - Foerster, Jonas | 7.13 | 2026.07.18 Naeckel, Gerhard (4653645) (1998) | 1 | 87.00% | 1. d4 f5 2. Nf3 Nf6 3. Nd3 Nb6 | |
| 2026.07.18 | Round 6: Foerster, Jonas - Just, Anita, Dr. | 6.18 | 2026.07.18 Just, Anita, Dr. (4628756) (1905) | 1 | 97.40% | 1. Ng3 g6 2. b3 f6 3. e4 e5 | |
| 2026.07.17 | Round 4: Mossakowski, Florian - Fridman, Daniel | 4.4 | 2026.07.17 Orlov, Andrey (4125282) (2470) | 0 | 85.40% | 1. Nhg3 e5 2. e4 Ne6 3. Ne3 g6 | |
| 2026.07.17 | Round 3: Foerster, Jonas - Agafonov, Yuri Dr | 3.12 | 2026.07.17 Agafonov, Yuri Dr (11602104) (2030) | 1 | 57.80% | 1. Nab3 f5 2. f4 g6 3. g3 e5 | |
| 2026.07.17 | Round 2: Gaitzsch, Martin - Foerster, Jonas | 2.18 | 2026.07.17 Gaitzsch, Martin (24623202) (2002) | ½ | 93.00% | 1. d4 d5 2. Nd3 g6 3. Nb3 Bg7 | |
| 2026.07.17 | Round 1: Foerster, Jonas - Renner, Thomas | 1.19 | 2026.07.17 Renner, Thomas (533011796) (1881) | 1 | 93.70% | 1. e4 e5 2. Nb3 Ne6 3. c3 c5 | |
| 2026.04.12 | Round 9: Florstedt, Johannes - Foerster, Jonas | 9.4 | 2026.04.12 Florstedt, Johannes (12922293) (2387) | 0 | 87.40% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2026.04.11 | Round 8: Foerster, Jonas - Eilenberg, Jonas | 8.2 | 2026.04.11 Eilenberg, Jonas (16204271) (2344) | 0 | 67.70% | 1. Nf3 d5 2. g3 c6 3. d3 Bf5 | |
| 2026.04.10 | Round 7: Foerster, Jonas - Nogly, Christoph | 7.6 | 2026.04.10 Nogly, Christoph (4610156) (2160) | 1 | 92.80% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2026.04.09 | Round 6: Jahnz, Fabian - Foerster, Jonas | 6.5 | 2026.04.09 Jahnz, Fabian (4653300) (2214) | ½ | 66.40% | 1. e4 c5 2. c3 g6 3. d4 cxd4 | |
| 2026.04.08 | Round 5: Foerster, Jonas - Vavulin, Maxim | 5.2 | 2026.04.08 Vavulin, Maxim (4169530) (2537) | 0 | 87.80% | 1. d4 d6 2. e4 Nf6 3. Nc3 e5 | |
| 2026.04.07 | Round 4: Foerster, Jonas - Matviienko, Mykhailo | 4.3 | 2026.04.07 Matviienko, Mykhailo (14194287) (2260) | ½ | 90.90% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2026.04.06 | Round 3: Gersemann, Karl - Foerster, Jonas | 3.5 | 2026.04.06 Gersemann, Karl (34602186) (1971) | 1 | 97.50% | 1. e4 g6 2. d4 Bg7 3. Nf3 d6 | |
| 2026.04.05 | Round 2: Foerster, Jonas - Chakhalov, Mikael | 2.8 | 2026.04.05 Chakhalov, Mikael (34644458) (1952) | 1 | 93.90% | 1. Nf3 d5 2. e3 Nf6 3. b3 Bf5 | |
| 2026.04.04 | Round 1: Krefenstein, Sergej - Foerster, Jonas | 1.9 | 2026.04.04 Krefenstein, Sergej (12922072) (2051) | ½ | 94.60% | 1. d4 g6 2. c4 Bg7 3. Nc3 d6 | |
| 2025.12.30 | Round 7: Foerster, Jonas - Strache, Michael | 7.3 | 2025.12.30 Strache, Michael (4693183) (2287) | 1 | 93.30% | 1. d4 e6 2. c4 Bb4+ 3. Bd2 a5 | |
| 2025.12.29 | Round 6: Krefenstein, Sergej - Foerster, Jonas | 6.5 | 2025.12.29 Krefenstein, Sergej (12922072) (2048) | 1 | 95.70% | 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 | |
| 2025.12.28 | Round 4: Pathak, Raghav - Foerster, Jonas | 4.6 | 2025.12.28 Pathak, Raghav (1084259) (2048) | ½ | 87.20% | 1. e4 c6 2. d4 d5 3. Bd3 dxe4 | |
| 2025.12.28 | Round 3: Foerster, Jonas - Schletter, Felix | 3.6 | 2025.12.28 Schletter, Felix (16240529) (2076) | ½ | 96.50% | 1. e4 e6 2. d4 d5 3. exd5 exd5 | |
| 2025.04.27 | Round 9: Foerster, Jonas - Brustkern, Juergen | 9.11 | 2025.04.27 Brustkern, Juergen (4602676) (2093) | 1 | 92.00% | 1. d4 d5 2. c4 e6 3. Nc3 c6 | |
| 2025.04.26 | Round 8: Vollmar, Timo - Foerster, Jonas | 8.15 | 2025.04.26 Vollmar, Timo (16253582) (1882) | 1 | 94.70% | 1. e4 c6 2. d4 d5 3. f3 g6 | |
| 2025.04.25 | Round 7: Foerster, Jonas - Pererva, Viktor | 7.13 | 2025.04.25 Pererva, Viktor (24696463) (2017) | ½ | 84.50% | 1. Nf3 c5 2. e4 d6 3. Bc4 Nf6 | |
| 2025.04.24 | Round 6: Caglar, Ertan - Foerster, Jonas | 6.15 | 2025.04.24 Caglar, Ertan (12986950) (1836) | 1 | 91.50% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2025.04.23 | Round 5: Foerster, Jonas - Heerde, Thomas | 5.12 | 2025.04.23 Heerde, Thomas (12945684) (1983) | 0 | 87.50% | 1. d4 Nf6 2. c4 c5 3. d5 b5 | |
| 2025.04.22 | Round 4: Berger, Steve - Foerster, Jonas | 4.8 | 2025.04.22 Berger, Steve (4644786) (2425) | 0 | 91.70% | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2025.04.21 | Round 3: Florstedt, Johannes - Foerster, Jonas | 3.6 | 2025.04.21 Florstedt, Johannes (12922293) (2382) | 0 | 90.30% | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2025.04.20 | Round 2: Foerster, Jonas - Ahmadinia, Ebrahim | 2.3 | 2025.04.20 Ahmadinia, Ebrahim (12501891) (2396) | 0 | 88.30% | 1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 | |
| 2025.04.19 | Round 1: Foerster, Jonas - Richter, Michael | 1.5 | 2025.04.19 Richter, Michael (4618920) (2402) | 1 | 95.50% | 1. Nf3 d5 2. d4 e6 3. c4 c6 | |
| 2024.07.28 | Round 9: Foerster, Jonas - Weber, Daniel | 9.6 | 2024.07.28 Weber, Daniel (24615498) (2143) | 1 | 97.50% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 | |
| 2024.07.27 | Round 8: Vogel, Constantin - Foerster, Jonas | 8.5 | 2024.07.27 Vogel, Constantin (12960071) (2184) | 0 | 85.40% | 1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 | |
| 2024.07.26 | Round 7: Foerster, Jonas - Niehaus, Frank | 7.4 | 2024.07.26 Niehaus, Frank (24600490) (2147) | ½ | 95.20% | 1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 | |
| 2024.07.25 | Round 6: Strehse, Nelson - Foerster, Jonas | 6.3 | 2024.07.25 Strehse, Nelson (16228898) (2172) | ½ | 94.60% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2024.07.23 | Round 4: Choukri, Adel - Foerster, Jonas | 4.3 | 2024.07.23 Choukri, Adel (9000399) (2269) | 1 | 96.70% | 1. e4 c6 2. d4 d5 3. e5 c5 | |
| 2024.07.22 | Round 3: Foerster, Jonas - Zeitz, Philip, Dr. | 3.5 | 2024.07.22 Zeitz, Philip, Dr. (4660030) (2140) | 1 | 93.80% | 1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 | |
| 2024.07.21 | Round 2: Matthes, Benjamin - Foerster, Jonas | 2.5 | 2024.07.21 Matthes, Benjamin (16227298) (1965) | 1 | 96.20% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | |
| 2024.07.20 | Round 5: Foerster, Jonas - Richter, Michael | 5.1 | 2024.07.20 Richter, Michael (4618920) (2428) | 0 | 86.20% | 1. Nf3 d5 2. d4 e6 3. g3 Nf6 | |
| 2024.07.20 | Round 1: Foerster, Jonas - Bonnez, Finn | 1.5 | 2024.07.20 Bonnez, Finn (1403800) (1904) | 1 | 96.20% | 1. e4 e5 2. Nf3 d6 3. d4 exd4 | |
| 2024.04.07 | Round 9: Lagunow, Raphael - Foerster, Jonas | 2024.04.07 Lagunow, Raphael (24652644) (2427) | 0 | 87.00% | 1. d4 Nf6 2. c4 e6 3. g3 c5 | ||
| 2024.04.06 | Round 8: Foerster, Jonas - Polzin, Rainer | 2024.04.06 Polzin, Rainer (4610741) (2402) | ½ | 96.30% | 1. e4 c5 2. Nf3 e6 3. g3 Nc6 | ||
| 2024.04.05 | Round 7: Foerster, Jonas - Jahnz, Laurin | 2024.04.05 Jahnz, Laurin (16261089) (2065) | 1 | 95.40% | 1. d4 d5 2. Nf3 Nf6 3. c4 dxc4 | ||
| 2024.04.03 | Round 6: Thiede, Lars - Foerster, Jonas | 2024.04.03 Thiede, Lars (4607759) (2381) | 1 | 94.80% | 1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 | ||
| 2024.04.03 | Round 5: Dubessay, Bastien - Foerster, Jonas | 2024.04.03 Dubessay, Bastien (650048) (2264) | 1 | 93.20% | 1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 | ||
| 2024.04.01 | Round 3: Muse, Drazen - Foerster, Jonas | 2024.04.01 Muse, Drazen (4617592) (2316) | 0 | 90.00% | 1. Nf3 Nf6 2. g3 e6 3. Bg2 Be7 | ||
| 2024.03.31 | Round 2: Foerster, Jonas - Florstedt, Johannes | 2024.03.31 Florstedt, Johannes (12922293) (2343) | ½ | 97.30% | 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 |