Scouting report: Lelys Stanley Martinez Duany (GM, CUB)

1,377 over-the-board games in the Chess Stalker database (1,326 classical, 25 rapid, 26 blitz): 45% wins, 39% draws, 16% losses. FIDE rating 2440 standard, 2476 rapid, 2449 blitz. 460 games analyzed with Stockfish: 94% accuracy, 0.04 blunders per game.

  • Opening repertoire of Lelys Stanley Martinez Duany 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 Lelys Stanley Martinez Duany's style so you can rehearse the matchup — free online.

Full report: https://chessstalker.com/fide/3504727 — no account needed.

Lelys Stanley Martinez Duany

GM

Cubaborn 1985FIDE ID 3504727

Rating & statistics

FIDE rating lists · Sep 2023 – Sep 2026
2380
2420
2460
2500
2483 · Sep 2023
Oct
2024
Apr
Jul
Oct
2025
Apr
Jul
Oct
2026
Apr
Jul
Oct
Sep 2023Oct 2026
2459
2449
2440
2547peak, Jan 2019
1,377games
620wins, 45%
541draws, 39%
214losses, 16%

Play style

before facing them
Elite accuracy: 94.1% average
High resilience (65%): Dangerous even when losing
Solid conversion: 87%
Very consistent (91%)
Very precise: only 0.0 blunders/game
Dominates 1.Nf3 as ♔ (71% in 221 games)

Play against Martinez Duany's Twin

Their real openings, level & style

Based on 1,377 games

Openings

1,377 games

Weaknesses

where they slip as ♔ White

No significant weaknesses detected as white

Strengths

what holds up for them as ♔ White
Reti vs King's Indian1.f3 f6 2.c4 g620 games, last played 9 months ago80.0%wins
Reti: Gambit1.f3 d5 2.c4 e613 games, last played 3 months ago61.5%wins

Deep analysis

Stockfish · Classical · 460 analyzed
Accuracy by phase
Opening
95.9%
Middlegame
93.9%
Endgame
95.6%
Clutch factor
+4%
Winning (+2)
95%
Equal
95%
Losing (−2)
91%
Problematic pieces
27%
72 err
20%
53 err
18%
48 err
13%
35 err
13%
36 err
10%
26 err
Critical moment
Move 53 avg
0%
1-15
12%
16-25
29%
26-35
12%
36-45
47%
46+
47% of blunders occur after move 46. Keep tension until then.
Error heatmap · Critical squares
10
9
11
Few
Many
g5
11
e5
10
f5
9
b4
8
d1
8
g5/e5 concentrate most errors. Force decisions in those zones.

Critical blunders

10 errors
#44
g5+?? vs Del Rio De Angelis
Endgame · OTB · 2026
#38
xh7?? vs Cori
Endgame · Blitz · 2025
#37
xd5?? vs Zacarias Rodriguez
Middlegame · Blitz · 2025
#22
f5?? vs Vega Castaneda
Middlegame · Blitz · 2025
#35
d8?? vs Ostrovskiy
Endgame · Blitz · 2025
#39
xf2+?? vs Castellanos Hernandez
Middlegame · Blitz · 2025

Recent games

Mani, Sarbartho(2292)

Legends and Prodigies IIB · 7 Sept 2026

½–½
Martinez Ramirez, Lennis(2418)

7th San Cristobal Open · 29 Aug 2026

½–½
Minzer, Claudio Javier(2399)

7th San Cristobal Open · 28 Aug 2026

½–½
Mathieu, Phileas(2404)

7th San Cristobal Open · 27 Aug 2026

½–½
Lucas, Arthur(2331)

7th San Cristobal Open · 26 Aug 2026

1–0
Rivera,Dan(2220)

7th San Cristobal Open · 25 Aug 2026

½–½

Endgame statistics

Repertoire

PRO
1,377 games in scope
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
699 games49%W39%D12%L
Move
1. e4
3673w
47%40%13
67%
1. f3
2212w
51%40%
71%
1. d4
925w
53%38%
72%
1. c4
163w
56%25%19
69%
1. f4
12y
100%
50%
1. d3
18y
100%
50%
1. b3
17y
100%
100%

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