Costa, Leonardo

GER GER·Born 2008·FIDE #16213955·763 Games

Classical2540759 Games

Rapid23100 Games

Blitz24144 Games

Play against Costa, Leonardo's Twin

PRO

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

763 games analyzed

Statistics

Total

763

Wins

297

Draws

278

Losses

187

39%36%25%

Play Style

What you need to know before facing them

Elite accuracy: 93.3% average

Solid conversion: 85%

Very consistent (90%)

Very precise: only 0.1 blunders/game

Dominates 1.d4 ♔ (72% in 16 games)

Vulnerable to 1.c4 ♚ (only 46%)

Deep Analysis

Stockfish 18 · Classical games · 495 analyzed

Accuracy by phase

Opening

97.1%

Middlegame

93.7%

Endgame

95.5%

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

+5%

Winning (+2 or more)

94%196g

Equal position

95%186g

Losing (-2 or more)

89%113g

Performance under pressure

Problematic Pieces — Which pieces cause most errors?

23%

108 errors

19%

90 errors

17%

82 errors

16%

74 errors

14%

66 errors

11%

50 errors

Critical Moment — When does the first serious error occur?

Move 42 average

25%

41%

28%

1-15

16-25

26-35

36-45

46+

41% of blunders occur between move 36-45. Keep tension until that moment.

Error Heatmap — Where do most errors occur?

Few

Many

Errors mapped

137

Hotspot zone

f6 / e5

Critical squares

17 err

16 err

15 err

14 err

f6/e5 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

White52.4%Loses

Sicilian: Kan — 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6

21 Games · last played 2 years agoPlay this line

Black57.7%Loses

Italian: Giuoco Piano — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5

26 Games · last played 3 months agoPlay this line

Strengths

— avoid these lines

White70.0%Wins

Sicilian: Taimanov — 1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc610 Games · last played 2 years ago

White56.5%Wins

Italian: Giuoco Piano — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc523 Games · last played 3 months ago

Black84.6%Wins

Nimzo-Indian: Rubinstein — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e313 Games · last played 9 months ago

Black66.7%Wins

Scotch Game — 1.e4 e5 2.Nf3 Nc6 3.d412 Games · last played last year

Critical Blunders

10 errors · Stockfish

#96Ke6??Endgamevs MakkarOTB · 2025

#69Kxh5??Endgamevs VolokitinOTB · 2025

#37Qf3??Tacticsvs LentrodtOTB · 2025

#47Bg6??Endgamevs ChandaOTB · 2025

#78Nf3+??Endgamevs JacobsonOTB · 2025

#57Kc6??Endgamevs HessOTB · 2025

#48Be4??Endgamevs SemlingOTB · 2025

#28Nc1??Tacticsvs AmarOTB · 2025

#39Qf5??Tacticsvs AswathOTB · 2025

#21Qd1??Tacticsvs Dau Khuong DuyOTB · 2025

Recent Games

763 Games

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Bundesliga 2025-26 · 26 Apr 2026

1-0

L'Ami, Erwin(2616)

Bundesliga 2025-26 · 25 Apr 2026

½-½

Kollars, Dmitrij(2647)

Bundesliga 2025-26 · 24 Apr 2026

½-½

Jakubowski, Krzysztof(2434)

26th ch-EUR Indiv 2026 · 19 Apr 2026

1-0

Davtyan, Arsen(2430)

26th ch-EUR Indiv 2026 · 18 Apr 2026

1-0

Haring, Filip(2461)

26th ch-EUR Indiv 2026 · 16 Apr 2026

½-½

Endgame Statistics

PRO23 endgame categories analyzed

Endgame Statistics

Reveal weaknesses →

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

Move arrowsmost-played moves

Starting Position

Stockfish

371 Games

41%40%19%

Move	Games	%
1.e4	351	60%
1.d4 Strong	16	72%
1.Nf3	4	63%

MoveGamesPerformance%

1.e4

351

60%

1.d4Strong

72%

1.Nf3

63%