S
GM
Spangenberg, Hugo
ARG·Born 1975·FIDE #101966·997 Games
Classical2469966 Games
Rapid23919 Games
Blitz241022 Games
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997 games analyzed
Statistics
Total
997Wins
462Draws
328Losses
20746%33%21%
Play Style
What you need to know before facing themElite accuracy: 91.3% average
Low resilience (32%): Doesn't save lost positions
Very consistent (91%)
Very precise: only 0.1 blunders/game
Dominates 1.c4 ♔ (75% in 20 games)
Vulnerable to 1.c4 ♚ (only 47%)
Deep Analysis
Stockfish 18 · Classical games · 22 analyzedAccuracy by phase
Opening
96.1%
Middlegame
92.3%
Endgame
93.1%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+2%Winning (+2 or more)
92%6g
Equal position
94%5g
Losing (-2 or more)
90%11g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
34%
17 errors
16%
8 errors
14%
7 errors
14%
7 errors
14%
7 errors
8%
4 errors
Critical Moment — When does the first serious error occur?
Move 42 average0%
0%
0%
100%
0%
1-15
16-25
26-35
36-45
46+
100% of blunders occur between move 36-45. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
6
FewMany
Errors mapped
27
Hotspot zone
d4 / e6
Critical squares
d4
6 err
e6
4 err
c8
3 err
b6
2 err
d1
2 err
d4/e6 concentrate most errors. Force decisions in those zones.
Openings
Based on player gamesWeaknesses
— exploit these linesNo significant weaknesses detected as White
Black55.0%Loses
Sicilian: Rossolimo — 1.e4 c5 2.Nf3 Nc6 3.Bb5
20 Games · last played 7 months agoPlay this line
Strengths
— avoid these linesWhite61.9%Wins
French: Tarrasch — 1.e4 e6 2.d4 d5 3.Nd221 Games · last played 24 years ago
White57.4%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e647 Games · last played 6 months ago
Black55.7%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e670 Games · last played 6 months ago
Critical Blunders
10 errors · Stockfish#67Rc7+??vs SturtBlitz · 2025
#40Kf5??vs CumpeBlitz · 2025
#50Rh1??vs BarrionuevoBlitz · 2025
#46Rxg7??vs CumpeBlitz · 2025
#56Qh4??vs DolezalBlitz · 2025
#45d5??vs KamskyBlitz · 2020
#38Bc4??vs MoskalenkoBlitz · 2020
#44Rxe6+??vs TopalovOTB
#39e2d4??vs KasparovOTB
#61c3c5??vs KarpovRapid
Recent Games
997 GamesL
Paveto, Kevin(2440)
Round 9: Spangenberg, Hug... · 31 Jan 2026
W
Silva, Luca(2320)
Round 6: Silva, Luca - Sp... · 31 Jan 2026
L
Fernandes, Martin(2179)
Round 8: Fernandes, Marti... · 31 Jan 2026
W
Wardak, Dante(2026)
Round 2: Spangenberg, Hug... · 30 Jan 2026
W
Ronco, Valentin(1856)
Round 1: Ronco, Valentin ... · 30 Jan 2026
D
Zarnicki, Pablo(2428)
Round 5: Spangenberg, Hug... · 30 Jan 2026
Endgame Statistics
PRO17 endgame categories analyzedEndgame Statistics
Reveal weaknesses →
17 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
517 Games
52%29%19%
MoveGamesPerformance%
1.e4
40468%
1.Nf3
7163%
1.c4Strong
2075%
1.d4
1570%
1.g3
750%
ARG