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Heissler, Jakob
GER·Born 1964·FIDE #4614720·241 Games
GER Classical2453241 Games
Rapid—0 Games
Blitz—0 Games
Statistics
241
Total
84
Wins
101
Draws
56
Losses
35%42%23%
Play Style
What you need to know before facing them
Plays 95.3% better with white
Very precise: only 0.0 blunders/game
Dominates 1.e4 ♔ (62% in 104 games)
Vulnerable to 1.d4 ♚ (only 48%)
Deep Analysis
Stockfish 18 · Classical games · 1 analyzed
Accuracy by phase
Opening96.8%
Middlegame94.4%
Endgame99.8%
Clutch Factor
Performance under pressure
Winning (+2 or more)85%
0 Games
Equal position95%
1 Games
Losing (-2 or more)85%
0 Games
Problematic Pieces
Which pieces cause most errors?
♗
0%
0 errors
♔
0%
0 errors
♞
0%
0 errors
♙
0%
0 errors
♕
0%
0 errors
♖
0%
0 errors
Critical Moment
When does the first serious error occur?
Move 30average
1-15
16-25
26-35
36-45
46+
Error Heatmap
Where do most errors occur?
Insufficient data
Recent Games
D
Wiegmann, Sascha2184
? · 15 Oct 2006
W
Berger, Steve2427
? · 2 Apr 2006
W
Petrosian, Suren2395
? · 12 Mar 2006
D
Chevelevitch, Evgueni, Dr.2423
? · 19 Feb 2006
D
Skytte, Rasmus2396
? · 29 Jan 2006
D
Mossakowski, Florian2333
? · 11 Dec 2005
Openings
Based on player games
Weaknesses
EXPLOIT!White
No significant weaknesses detected as White
Black
No significant weaknesses detected as Black
Strengths
AVOIDWhite
French Defense
71.4%14 Games·Wins
1.e4 e6 2.d3 d5
Black
Sicilian: d6 Systems
50.0%10 Games·Wins
1.e4 c5 2.Nf3 d6
Critical Blunders
Tactical errors analyzed with Stockfish
No blunders recorded
Repertoire
☰ All
♟ Classical
⚡ Rapid
🔥 Blitz
PRO2006
2005
2004
2003
2002
2001
PRO
8
76
5
4
3
2
1a
b
c
d
efgh122 Games
39%42%19%
1.e4
62%104
1.c4
61%9
1.Nf3
58%6
1.d4
17%3