GM
Cuhendi, Sean Winshand
INA·Born 1997·FIDE #7101554·609 Games
INA Classical2509600 Games
Rapid23470 Games
Blitz23869 Games
Statistics
609
Total
226
Wins
222
Draws
161
Losses
37%36%26%
Play Style
What you need to know before facing them
Elite accuracy: 93.0% average
Solid conversion: 85%
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 ♚ (71% in 21 games)
Deep Analysis
Stockfish 18 · Classical games · 46 analyzed
Accuracy by phase
Opening95.7%
Middlegame93.4%
Endgame95.1%
Clutch Factor
Performance under pressure
Winning (+2 or more)94%
19 Games
Equal position94%
19 Games
Losing (-2 or more)89%
8 Games
Problematic Pieces
Which pieces cause most errors?
♗
26%
10 errors
♖
26%
10 errors
♙
18%
7 errors
♔
15%
6 errors
♕
10%
4 errors
♞
5%
2 errors
Critical Moment
When does the first serious error occur?
Move 38average
1-15
16-25
26-35
36-45
46+
50% of blunders occur between move 36-45. Keep tension until that moment.
Error Heatmap
Where do most errors occur?
3
2
3
3
2
2
2
2
2
2
abcdefgh
Many
Few
Critical squares
c83 err
e43 err
e53 err
b32 err
c22 err
c8/e4 concentrate most errors. Force decisions in those zones.
Recent Games
W
Tran, Tuan Minh2402
Nusantara GM 2025 · 27 Jul 2025
W
Tran, Tuan Minh2402
Nusantara GM 2025 · 27 Jul 2025
W
Kurniawan, Muhamad Agus2316
Nusantara GM 2025 · 26 Jul 2025
W
Gomez, John Paul2400
Nusantara GM 2025 · 26 Jul 2025
D
Quizon, Daniel2430
Nusantara GM 2025 · 25 Jul 2025
W
Laylo, Darwin2371
Nusantara GM 2025 · 24 Jul 2025
Openings
Based on player games
Weaknesses
EXPLOIT!White
Ruy Lopez: Morphy
50.0%14 Games·Loses
1.e4 e5 2.Nf3 Nc6 3.Bb5 a6
Black
No significant weaknesses detected as Black
Strengths
AVOIDWhite
Sicilian: d6 Systems
57.1%28 Games·Wins
1.e4 c5 2.Nf3 d6
Black
Sicilian: Kan
52.0%25 Games·Wins
1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6
Critical Blunders
Tactical errors analyzed with Stockfish
7 errors
▶
#37Rgh4??
Tactics
vs Firman Syah
OTB·2025
▶
#20Rf8??
Tactics
vs Arfan
OTB·2024
▶
#37Be5??
Tactics
vs Safarli
OTB·2021
▶
#60f7??
Endgame
vs Piedra Salabarria
OTB·2019
▶
#36Re2??
Tactics
vs Asensio Linan
OTB·2019
▶
#8hxg4??
Tactics
vs Khusnutdinov
OTB·2019
▶
#47Qf5??
Endgame
vs Portisch
OTB·2014
Endgame Statistics
17 endgame categories analyzed — discover where they collapse under pressure
Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO2025
2024
2022
2021
2020
2019
PRO
8
76
5
4
3
2
1a
b
c
d
efgh299 Games
38%37%25%
1.e4
51%168
1.d4
65%110
1.Nf3
69%8
1.b3
38%8
1.g3
60%5