G
GM
Gonzalez Acosta, Bernal
CRC·Born 1973·FIDE #6500170·653 Games
CRC Classical2453644 Games
Rapid23990 Games
Blitz24419 Games
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653 games analyzed
Statistics
Total
653Wins
300Draws
195Losses
15746%30%24%
Play Style
What you need to know before facing themElite accuracy: 91.7% average
Plays 2.5% better with black
Very consistent (92%)
Very precise: only 0.0 blunders/game
Dominates 1.Nf3 ♔ (83% in 15 games)
Vulnerable to 1.Nf3 ♚ (only 48%)
Deep Analysis
Stockfish 18 · Classical games · 12 analyzedAccuracy by phase
Opening
95.8%
Middlegame
92.6%
Endgame
92.9%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+4%Winning (+2 or more)
94%2g
Equal position
94%3g
Losing (-2 or more)
90%7g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
36%
4 errors
18%
2 errors
18%
2 errors
18%
2 errors
9%
1 errors
0%
0 errors
Critical Moment — When does the first serious error occur?
Move 30 average0%
0%
0%
0%
0%
1-15
16-25
26-35
36-45
46+
Error Heatmap — Where do most errors occur?
1
1
1
1
1
1
1
1
1
1
FewMany
Errors mapped
10
Hotspot zone
b4 / c6
Critical squares
b4
1 err
c6
1 err
c7
1 err
d7
1 err
e4
1 err
b4/c6 concentrate most errors. Force decisions in those zones.
Openings
Based on player gamesWeaknesses
— exploit these linesNo significant weaknesses detected as White
Black60.0%Loses
Sicilian: Najdorf — 1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6
10 Games · last played 8 years agoPlay this line
Strengths
— avoid these linesWhite57.1%Wins
Sicilian: Closed — 1.e4 c5 2.Nc3 Nc614 Games · last played 12 years ago
Black49.1%Wins
Sicilian: 2...Nc6 — 1.e4 c5 2.Nf3 Nc655 Games · last played 7 months ago
Critical Blunders
1 errors · Stockfish#16Bf4??vs AguilarOTB · 2020
Recent Games
653 GamesW
Diaz Charpentier, Kristel Meliss(1941)
XLVI Metropolitano Torneo... · 31 Dec 2025
W
Pastor Carvajal, Jeigoth(2004)
XLVI Metropolitano Torneo... · 31 Dec 2025
W
Cespedes Rodriguez, Luis Michel(2013)
XLVI Metropolitano Torneo... · 31 Dec 2025
D
Ruiz Alfaro, Darrel(1801)
XLVI Metropolitano Torneo... · 30 Dec 2025
W
Miranda Flores, Samy Manuel(1718)
XLVI Metropolitano Torneo... · 30 Dec 2025
W
Coto Calderon, Juan Diego(1768)
XLVI Metropolitano Torneo... · 30 Dec 2025
Endgame Statistics
PRO9 endgame categories analyzedEndgame Statistics
Reveal weaknesses →
9 endgame categories analyzed — discover where they collapse under pressure
Repertoire
8
76
5
4
3
2
1a
b
c
d
efghMove arrowsmost-played moves
Stockfish
315 Games
51%30%19%
MoveGamesPerformance%
1.d4
14259%
1.e4
9469%
1.f4Strong
5474%
1.Nf3Strong
1583%
1.c4
1065%