GM

Vazquez, Guillermo

PAR PAR·Born 1997·FIDE #3702308·1,223 Games

Classical25451,076 Games
Rapid247352 Games
Blitz254995 Games

Statistics

1223

Total

565

Wins

392

Draws

266

Losses

46%32%22%

Play Style

What you need to know before facing them

Elite accuracy: 93.5% average
Solid conversion: 83%
Very consistent (87%)
Very precise: only 0.1 blunders/game
Dominates 1.b3 ♔ (78% in 69 games)

Deep Analysis

Stockfish 18 · Classical games · 291 analyzed

Accuracy by phase
Opening96.7%
Middlegame93.7%
Endgame94.7%

Clutch Factor

Performance under pressure

+7%
Winning (+2 or more)95%
134 Games
Equal position94%
113 Games
Losing (-2 or more)88%
44 Games

Problematic Pieces

Which pieces cause most errors?

♙
23%
57 errors
♖
22%
54 errors
♕
18%
44 errors
♞
17%
42 errors
♔
11%
27 errors
♗
10%
24 errors

Critical Moment

When does the first serious error occur?

Move 34average
1-15
16-25
26-35
36-45
46+
35% of blunders occur between move 26-35. Keep tension until that moment.

Error Heatmap

Where do most errors occur?

7
10
9
8
8
6
10
11
14
13
abcdefgh
Many
Few
Critical squares
g414 err
f313 err
e411 err
d410 err
e710 err
g4/f3 concentrate most errors. Force decisions in those zones.

Recent Games

D
Lu, Maximillian2395

2025 US Masters · 30 Nov 2025

½-½
D
Liu, Eric2390

Round 9: Vazquez, Guiller... · 30 Nov 2025

½-½
D
Erenburg, Sergey2466

Round 8: Erenburg, Sergey... · 30 Nov 2025

½-½
D
Liu,Eric2390

US Chess Masters 2025 · 30 Nov 2025

½-½
D
Shabalov, Alexander2478

Round 6: Shabalov, Alexan... · 29 Nov 2025

½-½
D
Lu, Maximillian2395

US Chess Masters 2025 · 29 Nov 2025

½-½

Openings

Based on player games

Weaknesses

EXPLOIT!
White

No significant weaknesses detected as White

Black
Slav Defense
55.6%
9 GamesLow sample·Loses

1.d4 d5 2.c4 c6

Strengths

AVOID
White
1.b3 e5 2.Bb2 Nc6
87.5%
16 Games·Wins

1.b3 e5 2.Bb2 Nc6

1.b3 d5 2.Bb2 Bf5
81.8%
11 Games·Wins

1.b3 d5 2.Bb2 Bf5

Black
1.b3 e5 2.Bb2 Nc6
53.8%
13 Games·Wins

1.b3 e5 2.Bb2 Nc6

Sicilian: d6 Systems
48.1%
27 Games·Wins

1.e4 c5 2.Nf3 d6

Critical Blunders

Tactical errors analyzed with Stockfish

10 errors
▶
#28Qc3??
Tactics
vs Kaplan
OTB·2025
▶
#46Kh6??
Endgame
vs Kunka
OTB·2024
▶
#30Kg8??
Tactics
vs Sai Krishna G V
OTB·2024
▶
#26Nc6??
Tactics
vs Mohammad Nubairshah Shaikh
OTB·2023
▶
#44Kf7??
Endgame
vs Eljanov
Rapid·2023
▶
#38Qc7??
Tactics
vs Lysyj
Rapid·2023
▶
#32Nf6??
Tactics
vs Chen
OTB·2022
▶
#29Qd2??
Tactics
vs Gledura
Blitz·2021
▶
#34Qe2??
Tactics
vs Oparin
Blitz·2021
▶
#36Qxh3??
Tactics
vs Tsolakidou
Rapid·2021
Endgame Statistics

23 endgame categories analyzed — discover where they collapse under pressure

Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO
·
2025
2024
2023
2022
2021
2020
PRO
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Starting Position
623 Games
52%32%16%
1.e4
66%
427
1.d4
73%
80
1.b3
78%
69
1.Nf3
66%
41
1.c4
88%
4
1.b4
0%
1
1.g3
100%
1
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