B
GM

Berdayes Ason, Dylan Isidro

CUB CUB·Born 1998·FIDE #3516016·919 Games

Classical2477881 Games
Rapid246218 Games
Blitz249220 Games

Play against Berdayes Ason, Dylan Isidro's Twin

PRO

Uses their openings, level & style

Statistics

Total

919

Wins

444

Draws

297

Losses

178
48%32%19%

Play Style

What you need to know before facing them
Elite accuracy: 93.8% average
High resilience (56%): Dangerous even when losing
Solid conversion: 88%
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.c4 ♚ (80% in 25 games)

Deep Analysis

Stockfish 18 · Classical games · 458 analyzed
Accuracy by phase
Opening
97.1%
Middlegame
93.8%
Endgame
95.3%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+6%
Winning (+2 or more)
95%223g
Equal position
94%167g
Losing (-2 or more)
89%68g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
21%
73 errors
19%
68 errors
19%
67 errors
14%
50 errors
14%
50 errors
12%
41 errors
Critical Moment — When does the first serious error occur?
Move 40 average
0%
16%
29%
29%
26%
1-15
16-25
26-35
36-45
46+
29% of blunders occur between move 26-35. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
16
15
Few
Many
Critical squares
e5
16 err
e4
15 err
d5
11 err
d6
11 err
c4
10 err
e5/e4 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

No significant weaknesses detected as White

No significant weaknesses detected as Black

Strengths

— avoid these lines
White75.0%Wins
Slav Defense — 1.d4 d5 2.c4 c620 Games · last played last month
White73.3%Wins
King's Indian: Classical — 1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Be215 Games · last played 10 months ago
Black58.3%Wins
Catalan — 1.d4 Nf6 2.c4 e6 3.g312 Games · last played last year
Black58.3%Wins
English: Four Knights — 1.c4 e5 2.Nc3 Nf612 Games · last played 4 months ago

Critical Blunders

10 errors · Stockfish
Ne7??vs CoriOTB · 2025
Rd8??vs Blanco RonquilloOTB · 2025
exf5??vs Revilla MoronOTB · 2025
Kf7??vs PipirasOTB · 2025
Bc5??vs Harshit Ranjan SahuOTB · 2025
Qxg2??vs ZhouOTB · 2025
Kg7??vs PetrosyanOTB · 2025
Rb7??vs KhusenkhojaevOTB · 2025
Ke5??vs Majumder ShrayanOTB · 2025
Qc4??vs Habans AguerreaOTB · 2025

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Endgame Statistics

PRO23 endgame categories analyzed
Endgame Statistics
Reveal weaknesses →
Repertoire
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Move arrowsmost-played moves
Stockfish
453 Games
52%33%15%
MoveGamesPerformance%
1.e4
213
62%
1.d4Strong
195
74%
1.c4Strong
37
74%
1.Nf3
5
60%
1.g3Strong
2
75%
1.d3Strong
1
100%

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