S
GM

Santos Ruiz, Miguel

ESP ESP·Born 1999·FIDE #22291482·1,739 Games

Classical26041,536 Games
Rapid2493101 Games
Blitz2542124 Games

Play against Santos Ruiz, Miguel's Twin

PRO

Uses their openings, level & style

Statistics

Total

1739

Wins

761

Draws

562

Losses

416
44%32%24%

Play Style

What you need to know before facing them
Elite accuracy: 94.1% average
Solid conversion: 84%
Very consistent (88%)
Very precise: only 0.1 blunders/game
Dominates 1.Nf3 ♔ (70% in 42 games)
Vulnerable to 1.c4 ♚ (only 48%)

Deep Analysis

Stockfish 18 · Classical games · 419 analyzed
Accuracy by phase
Opening
96.9%
Middlegame
94.0%
Endgame
94.9%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+7%
Winning (+2 or more)
95%150g
Equal position
96%193g
Losing (-2 or more)
88%76g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
25%
69 errors
19%
54 errors
17%
47 errors
14%
40 errors
14%
39 errors
11%
32 errors
Critical Moment — When does the first serious error occur?
Move 42 average
0%
14%
25%
32%
29%
1-15
16-25
26-35
36-45
46+
32% of blunders occur between move 36-45. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
12
14
Few
Many
Critical squares
f4
14 err
d7
12 err
d3
11 err
f8
9 err
c5
8 err
f4/d7 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

No significant weaknesses detected as White

Black53.3%Loses
Italian: Two Knights — 1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6
15 Games · last played 8 months agoPlay this line

Strengths

— avoid these lines
White72.7%Wins
French: Classical — 1.e4 e6 2.d4 d5 3.Nc3 Nf611 Games · last played 12 months ago
White69.2%Wins
Queen's Gambit Declined — 1.d4 d5 2.c4 e613 Games · last played last year
Black50.9%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d6108 Games · last played 8 months ago
Black58.6%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e629 Games · last played 8 months ago

Critical Blunders

10 errors · Stockfish
Qe7+??vs Anton GuijarroBlitz · 2025
Kxh4??vs Santos LatasaBlitz · 2025
Bh4??vs JovanovicBlitz · 2025
Nf6+??vs RibeiroBlitz · 2025
Ne2??vs TweedieBlitz · 2025
Bc8??vs KovalenkoBlitz · 2025
Kf5??vs GiriOnline · 2025
gxh5+??vs NiemannOTB · 2025
Nc6??vs OroOTB · 2025
Bxb5??vs Herrera ReyesBlitz · 2024

Recent Games

W
Zygouris, Hristos(2018)

Round 4: Santos Ruiz, Mig... · 30 Nov 2025

1-0
L
Kovalenko,I(2684)

European Blitz 2025 · 30 Nov 2025

1-0
W
Ozates, Mert(1983)

Round 1: Ozates, Mert - S... · 30 Nov 2025

0-1
W
Mohr, Georg(2397)

Round 12: Mohr, Georg - S... · 30 Nov 2025

0-1
L
Dardha, Daniel(2594)

Round 11: Santos Ruiz, Mi... · 30 Nov 2025

0-1
D
Iturrizaga Bonelli, Eduardo(2590)

European Blitz 2025 · 30 Nov 2025

½-½

Endgame Statistics

PRO23 endgame categories analyzed
Endgame Statistics
Reveal weaknesses →
Repertoire
8
7
6
5
4
3
2
1a
b
c
d
e
f
g
h
Move arrowsmost-played moves
Stockfish
882 Games
49%33%18%
MoveGamesPerformance%
1.e4
614
64%
1.d4
137
69%
1.c4
78
69%
1.Nf3Strong
42
70%
1.b3Strong
4
88%
1.g3
3
33%
1.d3Strong
2
100%
1.e3Weak
1
0%
1.c3Strong
1
100%

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