Player profile

Herdem, Osman Eray

Standard: 1731 Rapid: 0 Blitz: 1602 (last updated 2026-11-02)

FIDE ID: 525015761 (view FIDE profile)

Federation: TUR Sex: M Birth Year: 2016 Age: 10

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

Games: 8 Wins: 1 (13%) Draws: 3 (38%) Losses: 4 (50%)

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Dossier

4 of 8 games analyzed.

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Openings

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As White 2 games 1W 0D 1L

Rapport-Jobava System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Pirc Defense 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

As Black 6 games 0W 3D 3L

Queen's Gambit Declined 2 games 0W 1D 1L

(unspecified) 1 game 0W 1D 0L

Exchange Variation 1 game 0W 0D 1L

Positional Variation 1 game 0W 0D 1L

English Opening 2 games 0W 0D 2L

Symmetrical Variation 2 games 0W 0D 2L

(unspecified) 1 game 0W 0D 1L

Ultra-Symmetrical Variation 1 game 0W 0D 1L

Rapport-Jobava System 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Sicilian Defense 1 game 0W 1D 0L

Hyperaccelerated Dragon 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Blunders Top 4 of 23

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

2026.08.28 · 23... Ke8 (−40.4% win chance) 1/2-1/2

Herdem, Osman Eray

Korkmaz, Fatih

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2026.08.20 · 31. Rd2 (−30.4% win chance) 0-1

Yildiz, Atahan

Herdem, Osman Eray

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2025.11.12 · 29... Bxc1 (−28.1% win chance) 1-0

Herdem, Osman Eray

Pala, Ertugrul

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2025.11.12 · 38... Kf8 (−25.7% win chance) 1-0

Herdem, Osman Eray

Pala, Ertugrul

Engine View game

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Games Showing all 8 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.08.30	Round 9: Olcer, Ozcan - Herdem, Osman Eray	9.31	2026.08.30 Olcer, Ozcan (44537417) (1574)	½	-	1. d4 d5 2. c4 e6 3. Nf3 Nf6
2026.08.29	Round 8: Herdem, Osman Eray - Akin, Mustafa Mirac	8.30	2026.08.29 Akin, Mustafa Mirac (51695758) (1662)	1	95.60%	1. d4 d5 2. Nc3 Nf6 3. Bf4 c6
2026.08.28	Round 7: Korkmaz, Fatih - Herdem, Osman Eray	7.30	2026.08.28 Korkmaz, Fatih (525038648) (1690)	½	78.40%	1. d4 d5 2. Nc3 Nf6 3. Bf4 a6
2026.08.20	Round 6: Herdem, Osman Eray - Yildiz, Atahan	6.38	2026.08.20 Yildiz, Atahan (51623137) (1674)	0	83.40%	1. d4 Nf6 2. Nc3 g6 3. e4 d6
2026.08.18	Round 3: Ince, Eymen Berat - Herdem, Osman Eray	3.38	2026.08.18 Ince, Eymen Berat (51684500) (1682)	½	-	1. e4 c5 2. Nf3 g6 3. Bc4 Bg7
2025.11.14	Round 8: Ozmen, Abdullah Murat - Herdem, Osman Eray	8.50	2025.11.14 Ozmen, Abdullah Murat (51682206) (1617)	0	-	1. d4 d5 2. c4 e6 3. cxd5 exd5
2025.11.12	Round 6: Pala, Ertugrul - Herdem, Osman Eray	6.40	2025.11.12 Pala, Ertugrul (525016091) (1738)	0	82.10%	1. c4 c5 2. g3 g6 3. Bg2 Bg7
2025.11.10	Round 2: Donmez, Tahsin Efe - Herdem, Osman Eray	2.48	2025.11.10 Donmez, Tahsin Efe (26366576) (1827)	0	-	1. c4 c5 2. Nc3 g6 3. g3 Bg7