Martinez Duany, Lelys Stanley

CUB CUB·Born 1985·FIDE #3504727·1,557 Games

Classical24551,501 Games

Rapid246929 Games

Blitz244427 Games

Statistics

1557

Total

724

Wins

596

Draws

235

Losses

46%38%15%

Play Style

What you need to know before facing them

Elite accuracy: 94.0% average

High resilience (62%): Dangerous even when losing

Solid conversion: 92%

Very consistent (91%)

Very precise: only 0.0 blunders/game

Dominates 1.c4 ♚ (73% in 49 games)

Deep Analysis

Stockfish 18 · Classical games · 459 analyzed

Accuracy by phase

Opening95.9%

Middlegame93.9%

Endgame95.6%

Clutch Factor

Performance under pressure

+4%

Winning (+2 or more)95%

199 Games

Equal position95%

190 Games

Losing (-2 or more)91%

70 Games

Problematic Pieces

Which pieces cause most errors?

♖

27%

70 errors

♕

20%

53 errors

♙

17%

46 errors

♔

13%

34 errors

♞

13%

35 errors

♗

10%

26 errors

Critical Moment

When does the first serious error occur?

Move 53average

1-15

16-25

26-35

36-45

46+

47% of blunders occur between move 46+. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

abcdefgh

Many

Few

Critical squares

e510 err

g510 err

f59 err

b48 err

d18 err

e5/g5 concentrate most errors. Force decisions in those zones.

Recent Games

Varela Velazquez, Carlos Francisco2222

LXXI Mexican Open 2026 · 5 Apr 2026

½-½

Valdes Romero, Leonardo2325

LXXI Mexican Open 2026 · 4 Apr 2026

1-0

Martinez Alcantara, Jose Eduardo2667

LXXI Mexican Open 2026 · 4 Apr 2026

1-0

Garcia de Dios,Jose Antonio2257

LXXI Mexican Open 2026 · 3 Apr 2026

0-1

Otero Acosta, Diasmany2269

LXXI Mexican Open 2026 · 3 Apr 2026

½-½

Kramar, David2200

LXXI Mexican Open 2026 · 2 Apr 2026

0-1

Openings

Based on player games

Weaknesses

EXPLOIT!

White

No significant weaknesses detected as White

Black

No significant weaknesses detected as Black

Strengths

AVOID

White

Reti vs King's Indian

81.8%

22 Games·Wins

1.Nf3 Nf6 2.c4 g6

Black

Sicilian: d6 Systems

53.8%

13 Games·Wins

1.e4 c5 2.Nf3 d6

Italian: Two Knights

46.7%

15 Games·Wins

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors

▶

#37Rxd5??

Tactics

vs Zacarias Rodriguez

Blitz·2025

▶

#39Bxf2+??

Tactics

vs Castellanos Hernandez

Blitz·2025

▶

#38Bxh7??

Tactics

vs Cori

Blitz·2025

▶

#35Rd8??

Tactics

vs Ostrovskiy

Blitz·2025

▶

#22Qf5??

Tactics

vs Vega Castaneda

Blitz·2025

▶

#69Kd8??

Endgame

vs Ostrovskiy

OTB·2025

▶

#46Qd8??

Endgame

vs Ilinca

OTB·2025

▶

#62Kf1??

Endgame

vs Barria

OTB·2025

▶

#33Qb5??

Tactics

vs Camps Abadia

OTB·2025

▶

#58Ra7+??

Endgame

vs Dias

OTB·2025

Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire

☰ All

♟ Classical

⚡ Rapid

🔥 Blitz

PRO

2026

2025

2024

2023

2022

2021

PRO

Starting Position

789 Games

51%38%11%

Move	Games	%
1.e4	418	68%
1.Nf3 Strong	259	73%
1.d4 Strong	95	73%
1.c4 Strong	13	73%
1.f4	2	50%
1.d3	1	50%
1.b3 Strong	1	100%

1.e4

68%

418

1.Nf3

73%

259

1.d4

73%

1.c4

73%

1.f4

50%

1.d3

50%

1.b3

100%

Martinez Duany, Lelys Stanley

Play against Martinez Duany, Lelys Stanley's Twin

Statistics

Play Style

Deep Analysis

Clutch Factor

Problematic Pieces

Critical Moment

Error Heatmap

Recent Games

Openings

Weaknesses

Strengths

Reti vs King's Indian

Sicilian: d6 Systems

Italian: Two Knights

Critical Blunders