Korneev, Oleg

ESP ESP·Born 1969·FIDE #4156803·4,962 Games

Classical24334,863 Games

Rapid241984 Games

Blitz243715 Games

Statistics

4962

Total

2433

Wins

2016

Draws

511

Losses

49%41%10%

Play Style

What you need to know before facing them

Elite accuracy: 95.1% average

High resilience (66%): Dangerous even when losing

Solid conversion: 92%

Very consistent (90%)

Very precise: only 0.0 blunders/game

Dominates 1.b3 ♚ (85% in 10 games)

Deep Analysis

Stockfish 18 · Classical games · 697 analyzed

Accuracy by phase

Opening97.1%

Middlegame94.9%

Endgame96.4%

Clutch Factor

Performance under pressure

+5%

Winning (+2 or more)95%

220 Games

Equal position96%

247 Games

Losing (-2 or more)90%

33 Games

Problematic Pieces

Which pieces cause most errors?

♖

26%

52 errors

♞

17%

35 errors

♕

17%

35 errors

♙

16%

33 errors

♔

12%

24 errors

♗

11%

23 errors

Critical Moment

When does the first serious error occur?

Move 38average

1-15

16-25

26-35

36-45

46+

40% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

e513 err

c411 err

b57 err

b36 err

d56 err

e5/c4 concentrate most errors. Force decisions in those zones.

Recent Games

Saydaliev, Saidakbar2454

5th Karshi Open 2026 · 24 May 2026

1-0

Askarov, Bakhtiyar2291

5th Karshi Open 2026 · 23 May 2026

1-0

Isaev, Anton2173

5th Karshi Open 2026 · 23 May 2026

0-1

Shavkatov, Temur2086

5th Karshi Open 2026 · 19 May 2026

½-½

Kuzubov, Yuriy2607

Luc Winants Mem 2026 · 9 May 2026

1-0

Bauer,Ch2557

Luc Winants Mem 2026 · 9 May 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Sicilian: d6 Systems

57.5%

416 Games·Wins

1.e4 c5 2.Nf3 d6

French: Rubinstein

76.9%

13 Games·Wins

1.e4 e6 2.d4 d5 3.Nc3 dxe4

Black

Sicilian: e6 Systems

46.2%

372 Games·Wins

1.e4 c5 2.Nf3 e6

Reti: Gambit

61.1%

18 Games·Wins

1.Nf3 d5 2.c4 d4

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#18Bxe5??

Tactics

vs Galyas

OTB·2025

▶

#42Rg1??

Endgame

vs Jiang

OTB·2025

▶

#60Rc5+??

Endgame

vs Aumueller

OTB·2025

▶

#35d5??

Tactics

vs Medhus

OTB·2025

▶

#141Nf5+??

Endgame

vs Volokitin

OTB·2025

▶

#17Qd5??

Tactics

vs Kanep

Blitz·2025

▶

#48Qd6??

Endgame

vs Iturrizaga Bonelli

Rapid·2025

▶

#56Ne6??

Endgame

vs Gorkov

Rapid·2025

▶

#26Nd7??

Tactics

vs Neiksans

Rapid·2025

▶

#35Qg7+??

Tactics

vs Sanz Wawer

OTB·2025

Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

2026

2025

2024

2023

2022

2021

PRO

Starting Position

2484 Games

56%35%9%

Move	Games	%
1.e4 Strong	2375	74%
1.d4 Strong	85	74%
1.c4	13	65%
1.Nf3	10	65%
1.b3	1	50%

1.e4

74%

2375

1.d4

74%

1.c4

65%

1.Nf3

65%

1.b3

50%

Korneev, Oleg

Play against Korneev, Oleg's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

Strengths

Sicilian: d6 Systems

French: Rubinstein

Sicilian: e6 Systems

Reti: Gambit

Critical Blunders