Player profile

Koukola, Stepan

Standard: 1752 Rapid: 1639 Blitz: 1668 (last updated 2026-11-02)

FIDE ID: 23764066 (view FIDE profile)

Federation: CZE Sex: M Birth Year: 2013 Age: 13

Title: — Women's title: — Other title: — FOA title: —

Games: 28 Wins: 11 (39%) Draws: 2 (7%) Losses: 15 (54%)

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Dossier

23 of 28 games analyzed.

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Openings

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As White 11 games 4W 1D 6L

Scotch Game 3 games 1W 0D 2L

Scotch Gambit 2 games 1W 0D 1L

(unspecified) 1 game 0W 0D 1L

Advance Variation 1 game 1W 0D 0L

Schmidt Variation 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Sicilian Defense 2 games 0W 1D 1L

Delayed Alapin Variation 1 game 0W 0D 1L

with d6 1 game 0W 0D 1L

Accelerated Dragon 1 game 0W 1D 0L

Modern Bc4 Variation 1 game 0W 1D 0L

Caro-Kann Defense 2 games 0W 0D 2L

Tartakower Variation 1 game 0W 0D 1L

Perlis Line 1 game 0W 0D 1L

Classical Variation 1 game 0W 0D 1L

Flohr Variation 1 game 0W 0D 1L

Petrov's Defense 1 game 1W 0D 0L

Classical Attack 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Van't Kruijs Opening 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Four Knights Game 1 game 1W 0D 0L

Scotch Variation Accepted 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

English Opening 1 game 1W 0D 0L

Anglo-Indian Defense 1 game 1W 0D 0L

Queen's Knight Variation 1 game 1W 0D 0L

As Black 10 games 4W 1D 5L

French Defense 4 games 2W 0D 2L

Exchange Variation 2 games 1W 0D 1L

(unspecified) 2 games 1W 0D 1L

Rubinstein Variation 1 game 0W 0D 1L

Fort Knox Variation 1 game 0W 0D 1L

Advance Variation 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Caro-Kann Defense 2 games 1W 0D 1L

Panov Attack 1 game 0W 0D 1L

Modern Defense 1 game 0W 0D 1L

Advance Variation 1 game 1W 0D 0L

Botvinnik-Carls Defense 1 game 1W 0D 0L

Indian Defense 2 games 1W 0D 1L

Spielmann-Indian 1 game 0W 0D 1L

(unspecified) 1 game 0W 0D 1L

Accelerated London System 1 game 1W 0D 0L

(unspecified) 1 game 1W 0D 0L

Benko Gambit Accepted 1 game 0W 1D 0L

Pawn Return Variation 1 game 0W 1D 0L

(unspecified) 1 game 0W 1D 0L

Sicilian Defense 1 game 0W 0D 1L

Kan Variation 1 game 0W 0D 1L

Maróczy Bind, Réti Variation 1 game 0W 0D 1L

Blunders Top 4 of 123

This player's costliest moves in analyzed games. Can you find the winning move?

2023.06.24 · 17... b5 (−62.3% win chance) 1-0

Koukola, Stepan

Portesova, Viktorie

Engine View game

2023.06.24 · 19. Rh3 (−57.4% win chance) 0-1

Simek, Filip

Koukola, Stepan

Engine View game

2023.06.24 · 17. Nf1 (−48.3% win chance) 0-1

Simek, Filip

Koukola, Stepan

Engine View game

2023.06.24 · 36... Kd6 (−46.4% win chance) 1-0

Koukola, Stepan

Jakoubek, Stepan

Engine View game

View blunders & mistakes

Games Showing all 28 games

Date	Event	Round	Opponent	Result	Accuracy %	First moves
2026.10.31	Round 9: Lacko, Lubos - Koukola, Stepan	9.10	2026.10.31 Lacko, Lubos (23774100) (1684)	0	78.90%	1. e4 e6 2. d4 d5 3. exd5 exd5
2026.10.30	Round 8: Koukola, Stepan - Stejskal, Antonin	8.16	2026.10.30 Stejskal, Antonin (23774487) (1585)	1	78.90%	1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6
2026.10.28	Round 6: Koukola, Stepan - Fadrny, Jonas	6.17	2026.10.28 Fadrny, Jonas (23744189) (1597)	0	82.20%	1. e3 c5 2. Nf3 e6 3. b3 d5
2026.10.27	Round 5: Irber, Jonas - Koukola, Stepan	5.17	2026.10.27 Irber, Jonas (23765429) (1632)	½	89.10%	1. d4 Nf6 2. c4 c5 3. d5 b5
2026.10.26	Round 4: Koukola, Stepan - Rejzek, Ondrej	4.13	2026.10.26 Rejzek, Ondrej (23778733) (1580)	0	-	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2026.10.25	Round 3: Neubauer, Stanislav - Koukola, Stepan	3.14	2026.10.25 Neubauer, Stanislav (571003711) (1659)	1	-	1. e4 e6 2. d4 d5 3. exd5 exd5
2026.10.24	Round 2: Koukola, Stepan - Zeman, Jonas	2.1	2026.10.24 Zeman, Jonas (23755733) (1997)	0	-	1. e4 c5 2. Nf3 d6 3. c3 Nf6
2026.06.24	Round 9: Koukola, Stepan - Mikulec, Eduard	9.3	2026.06.24 Mikulec, Eduard (23743832) (1782)	1	86.20%	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2026.06.23	Round 4: Prach, Simon - Koukola, Stepan	4.7	2026.06.23 Prach, Simon (23799684)	0	-	1. e4 c5 2. Nf3 e6 3. d4 cxd4
2026.06.23	Round 3: Koukola, Stepan - Lackova, Lucie	3.7	2026.06.23 Lackova, Lucie (23731800) (1724)	0	-	1. e4 c6 2. d4 d5 3. Nc3 dxe4
2026.06.23	Round 2: Vydra, David - Koukola, Stepan	2.7	2026.06.23 Vydra, David (23750642) (1708)	0	83.20%	1. e4 e6 2. d4 d5 3. Nc3 dxe4
2025.06.24	Round 4: Koukola, Stepan - Sanovec, Ondrej	4.2	2025.06.24 Sanovec, Ondrej (23789085)	1	88.90%	1. e4 e5 2. Nc3 Nc6 3. Nf3 Nf6
2024.06.07	Round 9: Koukola, Stepan - McInerney, Kevin		2024.06.07 McInerney, Kevin (2524350)	1	96.00%	1. c4 Nf6 2. Nc3 d6 3. g3 g6
2024.06.06	Round 8: Devine, Daniel - Koukola, Stepan		2024.06.06 Devine, Daniel (2517280) (1526)	0	76.20%	1. e4 c6 2. d4 d5 3. exd5 cxd5
2024.06.05	Round 7: Brennan, Thomas - Koukola, Stepan		2024.06.05 Brennan, Thomas (2532115)	1	81.40%	1. e4 e6 2. d4 d5 3. e5 c5
2024.06.04	Round 6: Koukola, Stepan - Luque Granell, Eloi		2024.06.04 Luque Granell, Eloi (94705844) (1520)	½	93.70%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2024.06.03	Round 5: Koukola, Stepan - Agarwal, Riyansh		2024.06.03 Agarwal, Riyansh (2516330)	0	87.00%	1. e4 e5 2. Nf3 Nc6 3. d4 exd4
2024.06.03	Round 4: Gernert, Tomas - Koukola, Stepan		2024.06.03 Gernert, Tomas (23750219) (1745)	0	85.10%	1. d4 Nf6 2. Nf3 c5 3. e3 cxd4
2024.06.02	Round 3: Moran, Liam - Koukola, Stepan		2024.06.02 Moran, Liam (2527308)	1	89.80%	1. e4 c6 2. d4 d5 3. e5 c5
2024.06.01	Round 2: Koukola, Stepan - Ioannidis, Konstantinos I		2024.06.01 Ioannidis, Konstantinos I (42131162) (1660)	0	86.30%	1. e4 c6 2. d4 d5 3. Nc3 dxe4
2024.05.31	Round 1: Williams, Henry - Koukola, Stepan		2024.05.31 Williams, Henry (2530945)	1	95.40%	1. d4 Nf6 2. Bf4 c5 3. e3 cxd4
2023.06.24	18. Zlata Praha Junior Open	9.13	2023.06.24 Suchanek, Lukas (23762098)	1	83.90%	1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5
2023.06.24	18. Zlata Praha Junior Open	8.11	2023.06.24 Koslerova, Denisa Annie (23751606) (1068)	0	85.10%	1. e4 c5 2. Nf3 Nc6 3. d4 cxd4
2023.06.24	18. Zlata Praha Junior Open	7.12	2023.06.24 Simek, Richard	1	86.10%	1. e4 c5 2. Nf3 Nc6 3. Bc4 g6
2023.06.24	18. Zlata Praha Junior Open	4.12	2023.06.24 Jakoubek, Stepan (23742402) (1246)	0	70.90%	1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6
2023.06.24	18. Zlata Praha Junior Open	3.11	2023.06.24 Portesova, Viktorie (23743603) (1173)	0	62.90%	1. e4 c5 2. Nf3 Nc6 3. Bc4 Nf6
2023.06.24	18. Zlata Praha Junior Open	2.7	2023.06.24 Simek, Filip (23751754) (1323)	0	59.00%	1. e4 Nf6 2. e5 Nd5 3. d4 d6
2023.06.24	18. Zlata Praha Junior Open	1.10	2023.06.24 Hrabe, Tomas (23762861) (1275)	1	70.00%	1. e4 c6 2. d4 d5 3. e5 Bf5