S
GM
Smejkal, Jan
CZE·Born 1946·FIDE #300020·2,010 Games
Classical25042,006 Games
Rapid—4 Games
Blitz—0 Games
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2010 games analyzed
Statistics
Total
2010Wins
784Draws
904Losses
32239%45%16%
Play Style
What you need to know before facing themElite accuracy: 93.4% average
Very consistent (89%)
Very precise: only 0.1 blunders/game
Dominates 1.d4 ♔ (70% in 111 games)
Deep Analysis
Stockfish 18 · Classical games · 95 analyzedAccuracy by phase
Opening
96.9%
Middlegame
94.7%
Endgame
94.9%
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)
93%10g
Equal position
94%65g
Losing (-2 or more)
91%20g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
26%
33 errors
24%
31 errors
20%
26 errors
11%
14 errors
10%
13 errors
9%
11 errors
Critical Moment — When does the first serious error occur?
Move 41 average0%
29%
14%
29%
29%
1-15
16-25
26-35
36-45
46+
29% of blunders occur between move 16-25. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
6
5
6
5
5
5
FewMany
Errors mapped
48
Hotspot zone
d7 / e5
Critical squares
d7
6 err
e5
6 err
b5
5 err
e4
5 err
h3
5 err
d7/e5 concentrate most errors. Force decisions in those zones.
Openings
Based on player gamesWeaknesses
— exploit these linesNo significant weaknesses detected as White
No significant weaknesses detected as Black
Strengths
— avoid these linesWhite63.6%Wins
King's Indian — 1.d4 Nf6 2.c4 g622 Games · last played 27 years ago
White63.6%Wins
Reti: KIA — 1.Nf3 d5 2.g3 Nf611 Games · last played 27 years ago
Black60.0%Wins
Sicilian: e6 Systems — 1.e4 c5 2.Nf3 e630 Games · last played 41 years ago
Critical Blunders
8 errors · Stockfish#81Nh3??vs SmyslovOTB · 1977
#32d6??vs BronsteinOTB
#38Rc1??vs SmyslovOTB
#37Nf4??vs KeresOTB
#34f4h3??vs KarpovOTB
#31e8d7??vs PetrosianOTB
#19a5??vs KeresOTB
#18a2a5??vs TalOTB
Recent Games
2,010 GamesL
Kastner, Vojtech(1996)
? · 15 Dec 2006
D
Meduna, Eduard(2495)
Extraliga CZE · 18 Mar 2000
W
Unzicker, Wolfgang(2436)
Bundesliga 9900 · 20 Feb 2000
D
Bischoff, Klaus(2509)
Bundesliga 9900 · 6 Nov 1999
L
Sjodahl, Pontus(2419)
? · 10 Oct 1999
L
Kasimdzhanov, Rustam(2603)
Bundesliga 9900 · 9 Oct 1999
Endgame Statistics
PRO19 endgame categories analyzedEndgame Statistics
Reveal weaknesses →
19 endgame categories analyzed — discover where they collapse under pressure
Repertoire
6
5
4
3
Move arrowsmost-played moves
Stockfish
1017 Games
46%40%14%
MoveGamesPerformance%
1.c4
48466%
1.Nf3
29466%
1.e4
12065%
1.d4
11170%
1.g3Strong
793%
1.g4Strong
1100%
CZE