Scouting report: Diego Valerga (GM, ARG)

1,207 over-the-board games in the Chess Stalker database (1,199 classical, 8 blitz): 38% wins, 46% draws, 16% losses. FIDE rating 2450 standard, 2431 rapid, 2364 blitz. 259 games analyzed with Stockfish: 94% accuracy, 0.05 blunders per game.

  • Opening repertoire of Diego Valerga as White and Black, with results per line — free.
  • Weaknesses and blunder patterns, evaluated with Stockfish — free.
  • Recent over-the-board games and endgame statistics.
  • Twin Bot: a sparring bot that imitates Diego Valerga's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/100587 — no account needed.

Diego Valerga

TitleGrandmasterFederationArgentinaBorn1971FIDE ID100587

Classical2450▲ 8
Rapid2431
Blitz2364
Games1,207
W · D · L38 / 46 / 16
Peak2523

Rating history

2300
2340
2380
2420
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Oct 2023Nov 2026
Classical2450Rapid2431Blitz2364no games played
Accuracy by phase
96.5%Opening94.1%Middlegame95.6%Endgame
Clutch factor
Insufficient data

Play style

Elite accuracy: 94.1% average
Solid conversion: 86%
Very consistent (90%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 as ♔ (68% in 276 games)

Recent games

Battey, Alexander(2313)

4th Buenos Aires Open · 25 May 2026

1–0
Larino Nieto, David(2372)

4th Buenos Aires Open · 24 May 2026

½–½
Petti, Luca Giovanni(2315)

4th Buenos Aires Open · 23 May 2026

½–½
Silva, Luca(2299)

4th Buenos Aires Open · 23 May 2026

½–½
Del Rio De Angelis, Salvador G.(2419)

4th Buenos Aires Open · 22 May 2026

½–½

Play against Valerga's Twin

Their real openings, level & style

Based on 1,207 games

Openings

611 games as White · scores 66.0%

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
Alekhine Defense1.e4 ♞f6 2.e5 ♞d510 games, last played 5 months ago70.0%wins
French: Classical1.e4 e6 2.d4 d5 3.♞c3 ♞f610 games, last played 2 years ago60.0%wins

By family

open a family to see its lines
PRO
1,207 games in scope
LineGamesScorevs 66.0%
14464.9%—
6361.9%−4.1 pts
5566.4%—
4275.0%+9.0 pts
4067.5%—
3268.8%—
3066.7%—
2962.1%−3.9 pts

Mistakes

Problematic pieces
Insufficient data
Critical moment
Insufficient data
Error heatmap · Critical squares
Insufficient data

Critical blunders

Tactical errors analyzed with Stockfish

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Endgame statistics

Repertoire

PRO
1,207 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
611 games43%W46%D11%L
Move
1. e4
2765m
46%44%
68%
1. d4
2545m
43%44%13
66%
1. g3
304y
50%47%
73%
1. c4
2621y
27%50%23
52%
1. ♞f3
251y
2076%
58%

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