G
GM
Galaviz Medina, Sion Radamantys
MEX·Born 2005·FIDE #5123119·896 Games
MEXFIDE OTB · #5123119 · 896 Games
Classical2522819 g Games
Rapid244036 g Games
Blitz243560 g Games
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896 games analyzed
Statistics
Total
896Wins
460Draws
224Losses
21251%25%24%
Play Style
before facing themWhat you need to know before facing themElite accuracy: 93.0% average
High resilience (60%): Dangerous even when losing
Solid conversion: 92%
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.e4 ♚ (67% in 212 games)
Vulnerable to 1.Nf3 ♚ (only 43%)
Deep Analysis
Stockfish 18 · Classical games · 352 analyzedAccuracy by phase
Opening
96.6%
Middlegame
93.2%
Endgame
94.9%
Clutch Factor
+5%Winning (+2)Winning (+2)
94%174g
EqualEqual position
94%110g
Losing (−2)Losing (−2)
89%68g
Accuracy under pressure
Problematic Pieces — which cause most errors?
23%
80 err
19%
65 err
16%
56 err
14%
47 err
14%
47 err
14%
49 err
Critical Moment
Move 44 avg0%
1-15
9%
16-25
32%
26-35
14%
36-45
45%
46+
45% of blunders after move 46 — keep the tension until then.of blunders occur in moves 46+. Keep the tension until that moment.
Error Heatmap — where do errors occur?
16
FewMany
Errors mapped
107
Hotspot zone
e5 / d5
Critical squares
e5
16 err
d5
12 err
e4
11 err
f6
11 err
e7
10 err
e5/d5 account for most of the errors. Force decisions in those zones.
Openings
896 GamesBased on 896 player gamesWeaknesses
— exploit these— exploit these linesNo significant weaknesses detected as white
No significant weaknesses detected as black
Strengths
— avoid these— avoid these linesaswhite81.8%Wins
Slav Defense — 1.d4 d5 2.c4 c622 Games · last played 3 weeks ago
22 Games · last played 3 weeks ago
aswhite81.8%Wins
Grünfeld — 1.d4 Nf6 2.c4 g6 3.Nc3 d511 Games · last played 6 months ago
11 Games · last played 6 months ago
asblack70.0%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e610 Games · last played 2 weeks ago
10 Games · last played 2 weeks ago
asblack49.1%Wins
Sicilian: d6 Systems — 1.e4 c5 2.Nf3 d6112 Games · last played 2 weeks ago
112 Games · last played 2 weeks ago
Critical Blunders
10 errors · Stockfish#28Rd7??vs ShanklandOTB · 2026
#47b4??vs BluebaumOTB · 2026
#38Nc8??vs Martinez AlcantaraOTB · 2026
#30Bxg5??vs CarlsenOTB · 2026
#44Qxb7+??vs SamadovBlitz · 2025
#96Re5??vs AlhassadiBlitz · 2025
#41Qg3??vs GrebnevBlitz · 2025
#43Kd6??vs NguyenBlitz · 2025
#37Rdd3??vs VakhidovBlitz · 2025
#35Qxb2??vs PeyrerBlitz · 2025
Recent Games
896 GamesDraw
Petriashvili, Nikoloz(2510)
Portuguese Top League · 19 Jul 2026
Win
Martins, Bruno Andre Leite(2409)
Portuguese Top League · 18 Jul 2026
Draw
Droin, Augustin(2525)
Portuguese Top League · 17 Jul 2026
Win
Ruzhansky, Elias(2442)
Portuguese Top League · 17 Jul 2026
Draw
Laurusas, Tomas(2511)
Portuguese Top League · 16 Jul 2026
Win
Iturrizaga Bonelli, Eduardo(2587)
Portuguese Top League · 15 Jul 2026
Endgame Statistics
PRO226 endgames (53.4%)Unlock Endgame Statistics
23 endgame categories analyzed — discover where they collapse under pressure
Repertoire
8
76
5
4
3
2
1a
b
c
d
efghMove arrowsmost-played moves
Stockfish
445 Games
56%21%23%
MoveGamesPerformance%
1.d4
44267%
1.Nf3Weak
20%
1.c4
150%