Cuartas, Jaime Alexander

COL COL·Born 1975·FIDE #4401190

2497Classical

2439Rapid

2463Blitz

Statistics

Total1,056

Wins457

Draws414

Losses185

43%39%18%

Play Style

before facing themWhat you need to know before facing them

Elite accuracy: 94.0% average

High resilience (57%): Dangerous even when losing

Solid conversion: 90%

Very consistent (91%)

Very precise: only 0.1 blunders/game

Dominates 1.e4 as

(67% in 428 games)

Play against Cuartas's Twin

Uses their openings, level & style

Practice against a bot that uses their real openings and playing style

Ready to play

1,056 games analyzed

Deep Analysis

Stockfish 18 · Classical · 181 analyzedStockfish 18 · Classical games · 181 analyzed

Accuracy by phase

Opening

95.9%

Middlegame

94.0%

Endgame

95.5%

Clutch Factor

+5%

Winning (+2)Winning (+2)

95%82g

EqualEqual position

95%61g

Losing (−2)Losing (−2)

90%38g

Accuracy under pressure

Problematic Pieces — which cause most errors?

19%

25 err

19%

26 err

17%

23 err

17%

23 err

16%

21 err

12%

16 err

Critical Moment

Move 42 avg

1-15

16-25

25%

26-35

25%

36-45

50%

46+

50% of blunders occur after move 46 — keep tension until then.of blunders occur after move 46 — keep tension until then.

Error Heatmap — where do errors occur?

Few

Many

Errors mapped

Hotspot zone

e5 / e3

Critical squares

7 err

6 err

5 err

4 err

e5/e3 concentrate most errors. Force decisions in those zones.

Openings

1,056 gamesBased on 1,056 player games

Weaknesses

— exploit these— exploit these lines

No significant weaknesses detected as white

No significant weaknesses detected as black

Strengths

— avoid these— avoid these lines

aswhite66.7%wins

French: Winawer — 1.e4 e6 2.d4 d5 3.Nc3 Bb415 g15 games · last played 3 years ago

aswhite61.7%wins

Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d660 g60 games · last played 4 months ago

asblack66.7%wins

Sicilian: Rossolimo — 1.e4 c5 2.Nf3 Nc6 3.Bb518 g18 games · last played 3 weeks ago

asblack61.5%wins

Queen's Gambit — 1.d4 d5 2.c4 e513 g13 games

Critical Blunders

10 errors · Stockfish

#30dxe4??Tacticsvs NaiditschOTB · 2026

#19Rxe5??Tacticsvs Erigaisi ArjunOTB · 2026

#34h5??Tacticsvs CheparinovOTB · 2025

#67Kc6??Endgamevs KryvoruchkoRapid · 2024

#35Rd8??Tacticsvs Jimenez FernandezRapid · 2024

#29Qa3??Tacticsvs Ibarra JerezRapid · 2024

#76Qc1??Endgamevs SjugirovOTB · 2024

#32Ra8??Tacticsvs RempeOTB · 2024

#39Bxf2??Tacticsvs PredkeOTB · 2024

#53Qg3??Endgamevs Ortiz MonsalveOTB · 2023

Recent Games

1,056 games

Draw

Nithin Babu(2306)

42nd Andorra Open 2026 · 26 Jul 2026

½-½

Draw

Engel, Bruno(2216)

42nd Andorra Open 2026 · 25 Jul 2026

½-½

Draw

Jain Kashish Manoj(2394)

42nd Andorra Open 2026 · 24 Jul 2026

½-½

Win

Zemach, Roee(2305)

42nd Andorra Open 2026 · 23 Jul 2026

0-1

Draw

Tsiapko, Andrii(2273)

42nd Andorra Open 2026 · 22 Jul 2026

½-½

Draw

John Veny Akkarakaran(2308)

42nd Andorra Open 2026 · 21 Jul 2026

½-½

Endgame Statistics

PRO122 endgames (60.7%) · avoid Opposite Bishops + Major Pieces (14%)

Strongest

79.4%

R+Bishop vs R+Knight

Weakest

60.6%

Pure Pawn

Reaches Endgame

60.7%

122 / 201

B vs N Pref

52.4%·47.8%

prefers the bishop

PiecesTypeWin %games

Rook + Equal Minors

77.9%353

R+Bishop vs R+Knight

79.4%306

Rook vs Minor (Exchange)

73.7%281

Rook vs Rook

72.6%252

Rook vs Two Minors

78.1%160

Pure Pawn

60.6%109

Rook + Equal Minors77.9%353

R+Bishop vs R+Knight79.4%306

Rook vs Minor (Exchange)73.7%281

Rook vs Rook72.6%252

Rook vs Two Minors78.1%160

Pure Pawn60.6%109

Weak in Opposite Bishops + Major Pieces: only 14% win rate (7 games) — Force thisShow all 14 types

Unlock Endgame Statistics

14 endgame categories — discover where they collapse under pressure

Repertoire

PRO

Move arrowsmost-played moves

Starting Position

SF18

508 games

46%40%14%

Move	games	%
1.e4	428	67%
1.d4	62	62%
1.Nf3	13	62%
1.c4	5	40%

MovegamesPerf%

1.e4

428

67%

1.d4

62%

1.Nf3

62%

1.c4

40%