Player profile
Pruefer, Friedbert, Prof. Dr.
Dossier
25 of 28 games analyzed.
Accuracy: 90.3%
Opened d4: 10/10
Castled kingside: 18Same-side castling: 13Did not castle: 5Castled queenside: 2Opposite-side castling: 1
Played in the center: 10Fianchettoed kingside: 9Played on the kingside: 7Played on the queenside: 7Fianchettoed queenside: 1
Active pieces: 19Sacrificed material: 15Initiated exchanges: 12Space advantage: 11Backward pawn: 11Isolated pawn: 9Kept the bishop pair: 8Avoided exchanges: 7Missed tactics: 6Played gambits: 5
Openings
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As White 12 games 5W 3D 4L
Indian Defense 4 games 1W 2D 1L
Accelerated London System 3 games 0W 2D 1L
(unspecified)
3 games
0W
2D
1L
Pseudo-Benko 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Queen's Pawn Game 4 games 1W 1D 2L
London System 2 games 0W 0D 2L
(unspecified)
2 games
0W
0D
2L
Accelerated London System 2 games 1W 1D 0L
Steinitz Countergambit
1 game
0W
1D
0L
Steinitz Countergambit, Morris Countergambit Accepted
1 game
1W
0D
0L
Philidor Defense 1 game 1W 0D 0L
Lion Variation 1 game 1W 0D 0L
Lion's Claw, with Bc4 and h6
1 game
1W
0D
0L
Modern Defense 1 game 0W 0D 1L
Standard Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Dutch Defense 1 game 1W 0D 0L
Staunton Gambit 1 game 1W 0D 0L
Alekhine Variation
1 game
1W
0D
0L
Slav Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
As Black 16 games 5W 6D 5L
Pirc Defense 2 games 1W 1D 0L
Classical Variation 1 game 1W 0D 0L
Schlechter Variation
1 game
1W
0D
0L
150 Attack 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
Nimzowitsch Defense 2 games 1W 1D 0L
Scandinavian Variation 2 games 1W 1D 0L
Exchange Variation
1 game
0W
1D
0L
Advance Variation
1 game
1W
0D
0L
Indian Defense 2 games 1W 0D 1L
Budapest Gambit Accepted 1 game 0W 0D 1L
Main Line, Rubinstein Variation
1 game
0W
0D
1L
Spielmann-Indian 1 game 1W 0D 0L
(unspecified)
1 game
1W
0D
0L
Grünfeld Defense 2 games 1W 1D 0L
Three Knights Variation 2 games 1W 1D 0L
Hungarian Variation
1 game
1W
0D
0L
(unspecified)
1 game
0W
1D
0L
Scandinavian Defense 2 games 0W 1D 1L
Gubinsky-Melts Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Mieses-Kotroc Variation 1 game 0W 1D 0L
(unspecified)
1 game
0W
1D
0L
English Opening 2 games 0W 1D 1L
Drill Variation 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Anglo-Indian Defense 1 game 0W 1D 0L
Anglo-Grünfeld Variation
1 game
0W
1D
0L
King's Indian Defense 1 game 0W 1D 0L
Fianchetto Variation 1 game 0W 1D 0L
Immediate Fianchetto
1 game
0W
1D
0L
Modern Defense 1 game 1W 0D 0L
Lizard Defense 1 game 1W 0D 0L
Mittenberger Gambit
1 game
1W
0D
0L
Neo-Grünfeld Defense 1 game 0W 0D 1L
with g3 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Hungarian Opening 1 game 0W 0D 1L
Indian Defense 1 game 0W 0D 1L
(unspecified)
1 game
0W
0D
1L
Blunders Top 4 of 96
This player's costliest moves in analyzed games. Can you find the winning move?
Games Showing all 28 games
| Date | Event | Round | Color | Opponent | Result | Accuracy % | First moves |
|---|---|---|---|---|---|---|---|
| 2026.07.24 | Round 8: Schulz, Michael - Pruefer, Friedbert, Prof. Dr. | 8.3 | 2026.07.24 Schulz, Michael (4616731) (2095) | 1 | 89.90% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2026.07.23 | Round 7: Pruefer, Friedbert, Prof. Dr. - Mueller, Erich | 7.9 | 2026.07.23 Mueller, Erich (4683765) (2065) | 1 | 94.10% | 1. d4 d6 2. e4 Nf6 3. Nc3 e5 | |
| 2026.07.22 | Round 6: Paulsen, Dirk - Pruefer, Friedbert, Prof. Dr. | 6.4 | 2026.07.22 Paulsen, Dirk (4601343) (2302) | ½ | 98.20% | 1. d4 Nf6 2. c4 g6 3. g3 c6 | |
| 2026.07.21 | Round 5: Raitza, Olaf - Pruefer, Friedbert, Prof. Dr. | 5.14 | 2026.07.21 Raitza, Olaf (4611675) (2045) | 1 | 95.30% | 1. e4 g6 2. d4 Bg7 3. Nc3 d5 | |
| 2026.07.17 | Round 1: Erwin Grund - Pruefer, Friedbert, Prof. Dr. | 1.18 | 2026.07.17 Grund, Erwin (12963259) (1931) | ½ | 86.90% | 1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 | |
| 2025.09.26 | Round 6: Vogel, Robert - Pruefer, Friedbert, Prof. Dr. | 6.18 | 2025.09.26 Vogel, Robert (4604253) (2160) | 0 | 88.00% | 1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 | |
| 2025.09.24 | Round 4: Gruzmann, Boris - Pruefer, Friedbert, Prof. Dr. | 4.22 | 2025.09.24 Gruzmann, Boris (4105290) (2088) | ½ | 77.90% | 1. e4 d6 2. d4 Nf6 3. Nc3 g6 | |
| 2025.09.21 | Round 1: Pruefer, Friedbert, Prof. Dr. - Volkmer, Andreas | 1.14 | 2025.09.21 Volkmer, Andreas (4612132) (2182) | 0 | - | 1. d4 g6 2. e4 Bg7 3. Nc3 d6 | |
| 2025.02.26 | World Senior Team 2025 S65 | 9.3 | 2025.02.26 Large, Peter G (400866) (2314) | ½ | 98.30% | 1. d4 Nf6 2. Bf4 b6 3. e3 Bb7 | |
| 2025.02.24 | World Senior Team 2025 S65 | 7.24 | 2025.02.24 Pivard, Jean-Louis (616508) (1970) | 0 | 82.60% | 1. d4 Nf6 2. Bf4 c5 3. d5 b5 | |
| 2025.02.23 | World Senior Team 2025 S65 | 6.31 | 2025.02.23 Erismann, Peter (1300750) (2013) | 1 | - | 1. e4 Nc6 2. d4 d5 3. e5 Bf5 | |
| 2025.02.21 | World Senior Team 2025 S65 | 5.47 | 2025.02.21 Nemec, Pavel (301965) (2117) | ½ | - | 1. d4 Nf6 2. Bf4 e6 3. e3 d5 | |
| 2025.02.17 | World Senior Team 2025 S65 | 1.35 | 2025.02.17 Karnaukh, Anatolij (14107171) (1983) | 0 | 90.70% | 1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 | |
| 2024.07.11 | wstcc2024o65 | 9.10 | 2024.07.11 Kusina, Jan (1108476) (1969) | 1 | 95.70% | 1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 | |
| 2024.07.10 | wstcc2024o65 | 8.9 | 2024.07.10 Carvalho, Herbert Abreu (2100541) (2123) | ½ | 95.90% | 1. c4 Nf6 2. Nc3 d5 3. d4 g6 | |
| 2024.07.09 | wstcc2024o65 | 7.18 | 2024.07.09 Dovzhenko, Viktor (14105985) (2044) | 0 | 68.90% | 1. g3 Nf6 2. Bg2 d5 3. c4 c6 | |
| 2024.07.06 | wstcc2024o65 | 5.6 | 2024.07.06 Soderberg, Per (1702904) (2015) | 0 | 89.80% | 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 | |
| 2024.07.05 | wstcc2024o65 | 4.18 | 2024.07.05 Gasik, Piotr (1104381) (2021) | 1 | 95.90% | 1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 | |
| 2024.07.04 | wstcc2024o65 | 3.1 | 2024.07.04 Janocha, Wieslaw (1100548) (2167) | 0 | 78.10% | 1. d4 e6 2. Nf3 Nf6 3. Bf4 c5 | |
| 2024.07.03 | 65-1 | 2.6 | 2024.07.03 Bykhovsky, Avigdor (4101057) (2341) | 0 | 89.80% | 1. d4 d5 2. Bf4 c5 3. e3 Nc6 | |
| 2024.04.14 | Round 9: Pruefer, Friedbert, Prof. Dr. - Schober, Ralf | 2024.04.14 Schober, Ralf (4673140) (2092) | 1 | 97.00% | 1. d4 d5 2. c4 c6 3. cxd5 cxd5 | ||
| 2024.04.13 | Round 8: Heinbuch, Detlef Ulrich - Pruefer, Friedbert, Prof. Dr. | 2024.04.13 Heinbuch, Detlef Ulrich (4601289) (2273) | 0 | 87.80% | 1. c4 e5 2. g3 h5 3. h4 Nc6 | ||
| 2024.04.12 | Round 7: Pruefer, Friedbert, Prof. Dr. - Loew, Gerald | 2024.04.12 Loew, Gerald (4615875) (2175) | ½ | 96.90% | 1. d4 d5 2. Bf4 c5 3. e3 Nc6 | ||
| 2024.04.11 | Round 6: Schoetzig, Detlef - Pruefer, Friedbert, Prof. Dr. | 2024.04.11 Schoetzig, Detlef (4644646) (2068) | 1 | 96.10% | 1. d4 Nf6 2. Nf3 c5 3. dxc5 e6 | ||
| 2024.04.10 | Round 5: Pruefer, Friedbert, Prof. Dr. - Schrems, Hermann | 2024.04.10 Schrems, Hermann (24601330) (2032) | 1 | 91.50% | 1. d4 Nf6 2. Nf3 c5 3. d5 b5 | ||
| 2024.04.09 | Round 4: Wenner, Tobias - Pruefer, Friedbert, Prof. Dr. | 2024.04.09 Wenner, Tobias (4619714) (2051) | ½ | 88.80% | 1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 | ||
| 2024.04.07 | Round 2: Walter, Rainer - Pruefer, Friedbert, Prof. Dr. | 2024.04.07 Walter, Rainer (24614041) (1981) | ½ | 87.10% | 1. e4 d5 2. exd5 Qxd5 3. Nf3 Bg4 | ||
| 2024.04.06 | Round 1: Pruefer, Friedbert, Prof. Dr. - Di Lazzaro, Gabriele | 2024.04.06 Di Lazzaro, Gabriele (812676) (1894) | 1 | 96.50% | 1. d4 d5 2. Bf4 c5 3. e4 dxe4 |