Z
IM

Zwardon, Vojtech

CZE CZE·Born 1990·FIDE #325511·1,605 Games

Classical24251,298 Games
Rapid2447179 Games
Blitz2414128 Games

Play against Zwardon, Vojtech's Twin

PRO

Uses their openings, level & style

Statistics

Total

1605

Wins

721

Draws

490

Losses

393
45%31%24%

Play Style

What you need to know before facing them
Elite accuracy: 93.1% average
Solid conversion: 87%
Very consistent (90%)
Very precise: only 0.0 blunders/game
Dominates 1.c4 ♔ (66% in 638 games)

Deep Analysis

Stockfish 18 · Classical games · 399 analyzed
Accuracy by phase
Opening
95.2%
Middlegame
92.7%
Endgame
95.1%
Clutch Factor — Move accuracy when winning vs. equal vs. losing — does their level drop when the game turns against them?
+3%
Winning (+2 or more)
94%175g
Equal position
95%133g
Losing (-2 or more)
90%91g
Performance under pressure
Problematic Pieces — Which pieces cause most errors?
23%
80 errors
21%
71 errors
15%
52 errors
14%
49 errors
14%
48 errors
13%
44 errors
Critical Moment — When does the first serious error occur?
Move 37 average
0%
13%
33%
40%
13%
1-15
16-25
26-35
36-45
46+
40% of blunders occur between move 36-45. Keep tension until that moment.
Error Heatmap — Where do most errors occur?
14
Few
Many
Critical squares
f4
14 err
c6
11 err
d4
11 err
e7
11 err
d5
10 err
f4/c6 concentrate most errors. Force decisions in those zones.

Openings

Based on player games

Weaknesses

— exploit these lines

No significant weaknesses detected as White

No significant weaknesses detected as Black

Strengths

— avoid these lines
White67.8%Wins
English: g3 System — 1.c4 e5 2.g3 Nf659 Games · last played 5 months ago
Black58.8%Wins
Sicilian: Alapin — 1.e4 c5 2.c3 Nf617 Games · last played last year
Black53.3%Wins
Nimzo-Indian: Classical — 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc215 Games · last played 12 months ago

Critical Blunders

10 errors · Stockfish
Rc3??vs HrbekOTB · 2026
e7??vs BabulaBlitz · 2025
Bc8??vs DelgerdalaiBlitz · 2025
Kh7??vs ShagbazyanBlitz · 2025
Rxc5??vs FinekBlitz · 2025
f5??vs RihaBlitz · 2025
Bxh6??vs DvorakOTB · 2025
Rxd7??vs ZavurkaOTB · 2025
Qe8??vs MovsesianRapid · 2025
Kg8??vs CervenyOTB · 2025

Recent Games

L
Verbytski, Oleg(2273)

Sheffield IM 2026 · 10 Jul 2026

0-1
D
Banerjee, Supratit(2347)

Sheffield IM 2026 · 9 Jul 2026

½-½
L
Chow, Samuel(2358)

Sheffield IM 2026 · 9 Jul 2026

1-0
D
Kanyamarala, Tarun(2435)

Sheffield IM 2026 · 8 Jul 2026

½-½
W
Avadhoot Lokesh Bhakti Brahme(2183)

Sheffield IM 2026 · 8 Jul 2026

1-0
D
Sarakauskas, Gediminas(2310)

Sheffield IM 2026 · 7 Jul 2026

½-½

Endgame Statistics

PRO23 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
787 Games
49%31%20%
MoveGamesPerformance%
1.c4
639
65%
1.e4
77
58%
1.f4
64
61%
1.d4
4
38%
1.g3
3
67%

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