GM

Barrientos, Sergio E

COL COL·Born 1986·FIDE #4401824·892 Games

Classical2474849 Games
Rapid241421 Games
Blitz240822 Games

Statistics

892

Total

504

Wins

173

Draws

204

Losses

57%19%23%

Play Style

What you need to know before facing them

Elite accuracy: 94.0% average
High resilience (71%): Dangerous even when losing
Solid conversion: 86%
Very consistent (93%)
Very precise: only 0.0 blunders/game
Dominates 1.c4 ♔ (74% in 17 games)

Deep Analysis

Stockfish 18 · Classical games · 54 analyzed

Accuracy by phase
Opening96.2%
Middlegame94.1%
Endgame95.9%

Clutch Factor

Performance under pressure

+2%
Winning (+2 or more)95%
37 Games
Equal position93%
13 Games
Losing (-2 or more)93%
4 Games

Problematic Pieces

Which pieces cause most errors?

25%
9 errors
22%
8 errors
22%
8 errors
19%
7 errors
11%
4 errors
0%
0 errors

Critical Moment

When does the first serious error occur?

Move 32average
1-15
16-25
26-35
36-45
46+
50% of blunders occur between move 16-25. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

2
2
2
2
2
2
2
1
4
1
abcdefgh
Many
Few
Critical squares
d34 err
a72 err
b62 err
e52 err
f52 err
d3/a7 concentrate most errors. Force decisions in those zones.

Recent Games

L
Gonzalez Vidal, Yuri2525

Tercer Torneo Internacion... · 11 Jan 2026

0-1
D
Bruzon Batista, Lazaro2543

Tercer Torneo Internacion... · 10 Jan 2026

½-½
D
Tari, Aryan2637

3rd Caissa Guatemala Open · 10 Jan 2026

½-½
W
Juarez Flores, Carlos A.2283

Tercer Torneo Internacion... · 9 Jan 2026

1-0
W
Mendez Machado, Andre2169

Tercer Torneo Internacion... · 9 Jan 2026

0-1
D
Mirzoev, Azer2471

Tercer Torneo Internacion... · 8 Jan 2026

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black
Sicilian: Closed
55.6%
9 GamesLow sample·Loses

1.e4 c5 2.Nc3 a6

Strengths

AVOID
White
French: Tarrasch
72.7%
11 Games·Wins

1.e4 e6 2.d4 d5 3.Nd2

Sicilian: d6 Systems
66.7%
45 Games·Wins

1.e4 c5 2.Nf3 d6

Black
Sicilian: d6 Systems
73.6%
72 Games·Wins

1.e4 c5 2.Nf3 d6

King's Indian
61.5%
26 Games·Wins

1.d4 Nf6 2.c4 g6

Critical Blunders

Tactical errors analyzed with Stockfish

6 errors
#26Qxa4??
Tactics
vs Lopez Raygoza
Blitz·2025
#39f3??
Endgame
vs Diaz Perez
OTB·2025
#45d3??
Endgame
vs Herize Godoy
OTB·2025
#24gxf7+??
Tactics
vs Ramos Ariza
OTB·2024
#41Nxe5??
Endgame
vs Mareco
OTB·2024
#20Ra7??
Tactics
vs Espinosa Veloz
OTB·2024
Endgame Statistics

21 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2026
2025
2024
2023
2022
2021
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
453 Games
58%18%24%
1.e4
68%
229
1.d4
65%
196
1.c4
74%
17
1.Nf3
58%
6
1.a3
100%
5
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