S
GM

Spangenberg, Hugo

ARG ARG·Born 1975·FIDE #101966·997 Games

Classical2469966 Games
Rapid23919 Games
Blitz241022 Games

Play against Spangenberg, Hugo's Twin

PRO

Uses their openings, level & style

Statistics

Total

997

Wins

462

Draws

328

Losses

207
46%33%21%

Play Style

What you need to know before facing them
Elite 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 analyzed
Accuracy 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 average
0%
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
Few
Many
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 games

Weaknesses

— exploit these lines

No 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 lines
White61.9%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
Rc7+??vs SturtBlitz · 2025
Kf5??vs CumpeBlitz · 2025
Rh1??vs BarrionuevoBlitz · 2025
Rxg7??vs CumpeBlitz · 2025
Qh4??vs DolezalBlitz · 2025
d5??vs KamskyBlitz · 2020
Bc4??vs MoskalenkoBlitz · 2020
Rxe6+??vs TopalovOTB
e2d4??vs KasparovOTB
c3c5??vs KarpovRapid

Recent Games

L
Paveto, Kevin(2440)

Round 9: Spangenberg, Hug... · 31 Jan 2026

0-1
W
Silva, Luca(2320)

Round 6: Silva, Luca - Sp... · 31 Jan 2026

0-1
L
Fernandes, Martin(2179)

Round 8: Fernandes, Marti... · 31 Jan 2026

1-0
W
Wardak, Dante(2026)

Round 2: Spangenberg, Hug... · 30 Jan 2026

1-0
W
Ronco, Valentin(1856)

Round 1: Ronco, Valentin ... · 30 Jan 2026

0-1
D
Zarnicki, Pablo(2428)

Round 5: Spangenberg, Hug... · 30 Jan 2026

½-½

Endgame Statistics

PRO17 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
517 Games
52%29%19%
MoveGamesPerformance%
1.e4
404
68%
1.Nf3
71
63%
1.c4Strong
20
75%
1.d4
15
70%
1.g3
7
50%

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