Player profile

Klein, Simon

Standard: 1528 Rapid: 1554 Blitz: 1574 (last updated 2026-11-02)

FIDE ID: 12976210 (view FIDE profile)

Federation: GER Sex: M Birth Year: 1985 Age: 41

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

Games: 25 Wins: 7 (28%) Draws: 0 (0%) Losses: 18 (72%)

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Dossier

25 of 25 games analyzed.

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Openings

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As White 12 games 5W 0D 7L

Queen's Pawn Game 4 games 3W 0D 1L

Accelerated London System 3 games 2W 0D 1L

(unspecified) 2 games 1W 0D 1L

Steinitz Countergambit 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Horwitz Defense 3 games 0W 0D 3L

(unspecified) 3 games 0W 0D 3L

Indian Defense 3 games 1W 0D 2L

Accelerated London System 3 games 1W 0D 2L

(unspecified) 3 games 1W 0D 2L

Dutch Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Benoni Defense 1 game 1W 0D 0L

Old Benoni 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

As Black 13 games 2W 0D 11L

Philidor Defense 5 games 1W 0D 4L

Lion Variation 5 games 1W 0D 4L

(unspecified) 4 games 1W 0D 3L

Lion's Claw, with Be2 and c6 1 game 0W 0D 1L

Lion Defense 4 games 0W 0D 4L

(unspecified) 1 game 0W 0D 1L

Bayonet Attack 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Anti-Philidor 1 game 0W 0D 1L

Lion's Cave 1 game 0W 0D 1L

Lion's Jaw 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Queen's Pawn Game 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Old Indian Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

English Opening 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Pirc Defense 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Blunders Top 4 of 209

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

2025.11.22 · 25. Bf3 (−76.8% win chance) 0-1

Mende, Tamino

Klein, Simon

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2024.11.30 · 31. Qxe6 (−69.8% win chance) 1-0

Boettcher, Jona

Klein, Simon

Engine View game

2024.11.30 · 52. d7 (−51.5% win chance) 1-0

Boettcher, Jona

Klein, Simon

Engine View game

2024.11.30 · 46. c4 (−47.5% win chance) 1-0

Boettcher, Jona

Klein, Simon

Engine View game

View blunders & mistakes

Games Showing all 25 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2025.11.23	Round 9: Hoesel, Lucas - Klein, Simon	9.25	2025.11.23 Hoesel, Lucas (533053200)	0	61.70%	1. d4 d6 2. Bf4 Nd7 3. Nc3 e5
2025.11.23	Round 8: Klein, Simon - Stelte, Philip	8.25	2025.11.23 Stelte, Philip (533057290)	0	62.20%	1. d4 f5 2. Bf4 Nf6 3. e3 e6
2025.11.23	Round 7: Montag, Jan - Klein, Simon	7.25	2025.11.23 Montag, Jan (533059560)	0	70.70%	1. d4 d6 2. c4 Nd7 3. Nc3 e5
2025.11.23	Round 6: Klein, Simon - Ferchel, Leo	6.25	2025.11.23 Ferchel, Leo (533058784)	1	70.80%	1. d4 d5 2. Bf4 c5 3. e3 Nc6
2025.11.23	Round 5: Kayhan, Melih - Klein, Simon	5.25	2025.11.23 Kayhan, Melih (533060037)	0	74.00%	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7
2025.11.23	Round 4: Klein, Simon - Zahed, Pezhman	4.25	2025.11.23 Zahed, Pezhman (533008426)	0	85.10%	1. d4 e6 2. Bf4 g6 3. Nc3 Bg7
2025.11.23	Round 3: Trosin, Moritz - Klein, Simon	3.25	2025.11.23 Trosin, Moritz (533048460)	0	71.30%	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7
2025.11.23	Round 2: Klein, Simon - Stoehr, Leif	2.25	2025.11.23 Stoehr, Leif (533014450)	1	79.30%	1. d4 Nf6 2. Bf4 e6 3. e3 b6
2025.11.23	Round 1: Henning, Marvin - Klein, Simon	1.25	2025.11.23 Henning, Marvin (12957399) (2097)	0	79.20%	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7
2025.11.22	Round 9: Duong, Michelle - Klein, Simon	9.25	2025.11.22 Duong, Michelle (533058733)	1	80.70%	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7
2025.11.22	Round 8: Klein, Simon - Mende, Tamino	8.25	2025.11.22 Mende, Tamino (533049645)	0	52.30%	1. d4 Nf6 2. Bf4 g6 3. Nc3 Bg7
2025.11.22	Round 7: Kayhan, Melih - Klein, Simon	7.25	2025.11.22 Kayhan, Melih (533060037)	0	79.70%	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7
2025.11.22	Round 6: Klein, Simon - Rottstock, Henrike Georgina	6.25	2025.11.22 Rottstock, Henrike Georgina (533047430)	0	80.80%	1. d4 d5 2. Bf4 Nf6 3. e3 Bf5
2025.11.22	Round 5: Lampe, Anna - Klein, Simon	5.25	2025.11.22 Lampe, Anna (533060991)	0	80.90%	1. d4 d6 2. e4 Nf6 3. Nc3 Nbd7
2025.11.22	Round 4: Klein, Simon - Zahed, Pezhman	4.25	2025.11.22 Zahed, Pezhman (533008426)	0	73.10%	1. d4 e6 2. Bf4 d6 3. e4 g6
2025.11.22	Round 3: Ucar, Eren - Klein, Simon	3.25	2025.11.22 Ucar, Eren (34621849) (1867)	0	82.90%	1. c4 b6 2. Nc3 c5 3. e4 Nc6
2025.11.22	Round 2: Klein, Simon - Tag, Martha	2.25	2025.11.22 Tag, Martha (533061815)	1	99.60%	1. d4 d5 2. Bf4 Nc6 3. e3 e5
2025.11.22	Round 1: Hagenmeyer, Felix - Klein, Simon	1.25	2025.11.22 Hagenmeyer, Felix (34612572) (2062)	0	84.50%	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7
2024.11.30	Round 7: Klein, Simon - Rohwedder, Sebastian	7.50	2024.11.30 Rohwedder, Sebastian (533007047)	1	86.90%	1. d4 c5 2. c3 cxd4 3. cxd4 Nf6
2024.11.30	Round 6: Klein, Simon - Ruebsam, Franziskus	6.50	2024.11.30 Ruebsam, Franziskus (533014426)	0	77.60%	1. d4 e6 2. Bf4 d5 3. e3 Bd6
2024.11.30	Round 5: Brockmann, Sean - Klein, Simon	5.50	2024.11.30 Brockmann, Sean (533008906)	1	73.90%	1. e4 d6 2. Nc3 e5 3. Bc4 Nf6
2024.11.30	Round 4: Klein, Simon - Osmanov, Ilnur	4.50	2024.11.30 Osmanov, Ilnur (533011109)	0	74.60%	1. d4 Nf6 2. Bf4 Nc6 3. e3 h6
2024.11.30	Round 3: Peng, Xiang-Tobias - Klein, Simon	3.50	2024.11.30 Peng, Xiang-Tobias (12964328) (2298)	0	75.70%	1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7
2024.11.30	Round 2: Klein, Simon - Boettcher, Jona	2.50	2024.11.30 Boettcher, Jona (533011885)	1	56.50%	1. d4 c6 2. Bf4 d5 3. e3 Nf6
2024.11.30	Round 1: Natsidis, Christoph - Klein, Simon	1.50	2024.11.30 Natsidis, Christoph (24601179) (2342)	0	88.50%	1. d4 d6 2. e4 Nf6 3. f3 e5