GM

Valerga, Diego

ARG ARG·Born 1971·FIDE #100587·1,301 Games

Classical24321,288 Games
Rapid24310 Games
Blitz236413 Games

Statistics

1301

Total

495

Wins

601

Draws

205

Losses

38%46%16%

Play Style

What you need to know before facing them

Elite accuracy: 94.1% average
Solid conversion: 87%
Very consistent (91%)
Very precise: only 0.1 blunders/game
Dominates 1.g3 ♔ (72% in 32 games)

Deep Analysis

Stockfish 18 · Classical games · 253 analyzed

Accuracy by phase
Opening96.4%
Middlegame94.1%
Endgame95.5%

Clutch Factor

Performance under pressure

+6%
Winning (+2 or more)95%
101 Games
Equal position95%
115 Games
Losing (-2 or more)89%
37 Games

Problematic Pieces

Which pieces cause most errors?

♕
24%
35 errors
♙
19%
27 errors
♖
19%
27 errors
♗
15%
22 errors
♞
13%
19 errors
♔
9%
13 errors

Critical Moment

When does the first serious error occur?

Move 37average
1-15
16-25
26-35
36-45
46+
42% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

5
4
4
5
4
6
6
6
5
5
abcdefgh
Many
Few
Critical squares
d56 err
e56 err
f46 err
d75 err
e85 err
d5/e5 concentrate most errors. Force decisions in those zones.

Recent Games

W
Cheparinov, Ivan2595

Round 6: Valerga, Diego -... · 13 Dec 2025

1-0
W
Tempone, Marcelo2388

Round 11: Valerga, Diego ... · 13 Dec 2025

1-0
L
Granda Zuniga, Julio E2624

Round 7: Granda Zuniga, J... · 13 Dec 2025

1-0
L
Shirov, Alexei2579

Round 8: Shirov, Alexei -... · 13 Dec 2025

1-0
L
Granda Zuniga, Julio E2624

Magistral Szmetan-Giardel... · 12 Dec 2025

1-0
D
Krysa, Leandro2449

Magistral Szmetan-Giardel... · 12 Dec 2025

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID
White
French: Winawer
55.6%
18 Games·Wins

1.e4 e6 2.d4 d5 3.Nc3 Bb4

Black
Sicilian: Najdorf
57.1%
14 Games·Wins

1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#28Nxf7??
Tactics
vs Cheparinov
Blitz·2025
▶
#38Rd1??
Tactics
vs Tempone
Blitz·2025
▶
#39Bc6??
Tactics
vs Perez Ponsa
Blitz·2025
▶
#50Rb1??
Endgame
vs Flores
OTB·2025
▶
#47Rc7??
Endgame
vs Paris
OTB·2025
▶
#14Bg4??
Tactics
vs Hoffman
OTB·2025
▶
#24e5??
Tactics
vs Perez Candelas
OTB·2025
▶
#35Rc1??
Tactics
vs Cumpe
Blitz·2025
▶
#68Kxh5??
Endgame
vs Augusto Araña
Blitz·2025
▶
#29Qc4??
Tactics
vs Andres Perez Candelas
Blitz·2025
Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2025
2024
2023
2022
2021
2020
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
661 Games
43%46%11%
1.e4
68%
292
1.d4
66%
284
1.g3
72%
32
1.Nf3
57%
27
1.c4
52%
26
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