Player profile

Oster, Klaus

Standard: 1977 Rapid: 2020 Blitz: 0 (last updated 2026-11-02)

FIDE ID: 16229401 (view FIDE profile)

Federation: GER Sex: M Birth Year: 1980 Age: 46

Title: — Women's title: — Other title: NA FOA title: —

Games: 6 Wins: 3 (50%) Draws: 2 (33%) Losses: 1 (17%)

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Dossier

6 of 6 games analyzed.

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Openings

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As White 2 games 2W 0D 0L

Indian Defense 1 game 1W 0D 0L

Knights Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Queen's Indian Defense 1 game 1W 0D 0L

Classical Variation 1 game 1W 0D 0L

Traditional Variation, Nimzowitsch Line 1 game 1W 0D 0L

As Black 4 games 1W 2D 1L

Caro-Kann Defense 2 games 1W 1D 0L

Advance Variation 1 game 0W 1D 0L

Botvinnik-Carls Defense 1 game 0W 1D 0L

Endgame Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Queen's Gambit Declined 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

English Opening 1 game 0W 0D 1L

Agincourt Defense 1 game 0W 0D 1L

Catalan Defense Accepted 1 game 0W 0D 1L

Blunders Top 4 of 23

This player's costliest moves in analyzed games. Can you find the winning move?

2026.09.26 · 46... R1c3 (−44.2% win chance) 1-0

Oster, Klaus

Schunk, Thomas

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2026.09.27 · 39. Bd3+ (−36.3% win chance) 1-0

Koppe, Connor

Oster, Klaus

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2026.09.26 · 17... Ne5 (−25.8% win chance) 0-1

Oster, Klaus

Boroshnev, Dmytro

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2026.09.26 · 49... Nf4 (−22.4% win chance) 1-0

Oster, Klaus

Schunk, Thomas

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Games Showing all 6 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.09.27	Round 8: Bardorz, Jana - Oster, Klaus	8.2	2026.09.27 Bardorz, Jana (16208897) (1979)	½	95.40%	1. e4 c6 2. d4 d5 3. e5 c5
2026.09.27	Round 7: Edwards, Oliver, Dr. - Oster, Klaus	7.2	2026.09.27 Edwards, Oliver, Dr. (12997684) (2009)	½	94.50%	1. c4 e6 2. d4 d5 3. Nf3 Nf6
2026.09.27	Round 6: Oster, Klaus - Koppe, Connor	6.2	2026.09.27 Koppe, Connor (34605177) (2073)	1	86.80%	1. d4 Nf6 2. Nf3 e6 3. g3 d5
2026.09.26	Round 5: Boroshnev, Dmytro - Oster, Klaus	5.4	2026.09.26 Boroshnev, Dmytro (34163611) (1880)	1	87.60%	1. e4 c6 2. Nf3 d5 3. d3 dxe4
2026.09.26	Round 3: Schunk, Thomas - Oster, Klaus	3.1	2026.09.26 Schunk, Thomas (4618750) (2137)	0	76.50%	1. c4 e6 2. g3 d5 3. Bg2 Nf6
2026.09.26	Round 2: Oster, Klaus - Hegmann, Hartmut	2.5	2026.09.26 Hegmann, Hartmut (4624289) (2030)	1	96.90%	1. d4 Nf6 2. Nf3 e6 3. g3 d5