Kovalev, Denis

UKR UKR·Born 1982·FIDE #14104059·855 Games

Classical2487788 Games

Rapid242729 Games

Blitz242838 Games

Play against Kovalev, Denis's Twin

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855 games analyzed

Statistics

Total

855

Wins

414

Draws

233

Losses

208

48%27%24%

Play Style

What you need to know before facing them

Elite accuracy: 91.3% average

Plays 2.3% better with white

Very consistent (85%)

Very precise: only 0.2 blunders/game

Dominates 1.c4 ♔ (67% in 68 games)

Vulnerable to 1.c4 ♚ (only 44%)

Deep Analysis

Stockfish 18 · Classical games · 21 analyzed

Accuracy by phase

Opening

94.0%

Middlegame

91.9%

Endgame

95.3%

Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?

+7%

Winning (+2 or more)

94%7g

Equal position

96%4g

Losing (-2 or more)

87%10g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

25%

6 errors

25%

6 errors

21%

5 errors

17%

4 errors

2 errors

1 errors

Critical Moment — When does the first serious error occur?

Move 44 average

50%

25%

1-15

16-25

26-35

36-45

46+

50% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

Hotspot zone

d5 / e5

Critical squares

3 err

2 err

1 err

d5/e5 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

White50.0%Loses

Reti: Double Fianchetto — 1.Nf3 Nf6 2.g3 g6

8 Games · Low sample · last played 5 years agoPlay this line

No significant weaknesses detected as Black

Strengths

— avoid these lines

White63.6%Wins

Reti: Gambit — 1.Nf3 d5 2.c4 e622 Games · last played 2 years ago

Black57.1%Wins

Slav: Semi-Slav — 1.d4 d5 2.c4 c6 3.Nf3 Nf6 4.Nc314 Games · last played 2 years ago

Black56.3%Wins

Grünfeld — 1.d4 Nf6 2.c4 g6 3.Nc3 d516 Games · last played 5 years ago

Critical Blunders

6 errors · Stockfish

#34Rxd3??Tacticsvs MovahedOTB · 2023

#35Qg4??Tacticsvs DubovOTB · 2023

#65Nd5??Endgamevs MirzoevOTB · 2021

#12Nc7??Tacticsvs PotapovaOTB · 2021

#18exd4??Tacticsvs Perera AlfonsoOTB · 2021

#41Rd5??Endgamevs ZhukovaOTB · 2020