GM

Costa, Leonardo

GER GER·Born 2008·FIDE #16213955·755 Games

Classical2556751 Games
Rapid23100 Games
Blitz24144 Games

Statistics

755

Total

295

Wins

275

Draws

184

Losses

39%36%24%

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 · 491 analyzed

Accuracy by phase
Opening97.1%
Middlegame93.6%
Endgame95.4%

Clutch Factor

Performance under pressure

+5%
Winning (+2 or more)94%
196 Games
Equal position95%
183 Games
Losing (-2 or more)89%
112 Games

Problematic Pieces

Which pieces cause most errors?

♖
23%
107 errors
♙
19%
89 errors
♕
18%
82 errors
♞
16%
74 errors
♗
14%
65 errors
♔
11%
50 errors

Critical Moment

When does the first serious error occur?

Move 42average
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?

17
11
16
14
15
11
15
13
14
11
abcdefgh
Many
Few
Critical squares
f617 err
e516 err
b415 err
g515 err
d314 err
f6/e5 concentrate most errors. Force decisions in those zones.

Recent Games

W
Sousa, Andre Ventura2447

26th ch-EUR Indiv 2026 · 13 Apr 2026

0-1
W
Lazov, Toni2389

26th ch-EUR Indiv 2026 · 12 Apr 2026

0-1
W
Rozhok, Oleksii1979

26th ch-EUR Indiv 2026 · 10 Apr 2026

1-0
D
Romanishin, Oleg M2255

26th ch-EUR Indiv 2026 · 9 Apr 2026

½-½
L
Kiolbasa, Oliwia2394

26th ch-EUR Indiv 2026 · 8 Apr 2026

1-0
W
Maltezeanu, Stefan2245

26th ch-EUR Indiv 2026 · 7 Apr 2026

1-0

Openings

Based on player games

Weaknesses

EXPLOIT!
White
Sicilian: Kan
52.4%
21 Games·Loses

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6

Black
Italian: Giuoco Piano
57.7%
26 Games·Loses

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5

Strengths

AVOID
White
Sicilian: Taimanov
70.0%
10 Games·Wins

1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6

Italian: Giuoco Piano
59.1%
22 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5

Black
Nimzo-Indian: Rubinstein
84.6%
13 Games·Wins

1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3

Scotch Game
66.7%
12 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.d4

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#96Ke6??
Endgame
vs Makkar
OTB·2025
▶
#69Kxh5??
Endgame
vs Volokitin
OTB·2025
▶
#37Qf3??
Tactics
vs Lentrodt
OTB·2025
▶
#47Bg6??
Endgame
vs Chanda
OTB·2025
▶
#78Nf3+??
Endgame
vs Jacobson
OTB·2025
▶
#57Kc6??
Endgame
vs Hess
OTB·2025
▶
#48Be4??
Endgame
vs Semling
OTB·2025
▶
#28Nc1??
Tactics
vs Amar
OTB·2025
▶
#39Qf5??
Tactics
vs Aswath
OTB·2025
▶
#21Qd1??
Tactics
vs Dau Khuong Duy
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
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
367 Games
41%40%19%
1.e4
61%
347
1.d4
72%
16
1.Nf3
63%
4
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