Player profile

Nemec, Jachym

Standard: 2462 Rapid: 2380 Blitz: 2354 (last updated 2026-11-02)
FIDE ID: 23716525 (view FIDE profile)
Federation: CZE Sex: M Birth Year: 2008 Age: 18
Title: IM Women's title: — Other title: — FOA title: —
Games: 265 Wins: 119 (45%) Draws: 67 (25%) Losses: 79 (30%)
Dossier

247 of 265 games analyzed.

Accuracy: 92%
Opened d4: 64/100Opened Nf3: 35/100Opened c4: 1/100
Castled kingside: 169Same-side castling: 155Opposite-side castling: 21Did not castle: 20Castled queenside: 14
Fianchettoed kingside: 68Played in the center: 61Played on the queenside: 57Fianchettoed queenside: 56Played on the kingside: 43
Active pieces: 141Initiated exchanges: 138Space advantage: 125Kept the bishop pair: 123Sacrificed material: 119Backward pawn: 117Isolated pawn: 101Missed tactics: 41Avoided exchanges: 36Played gambits: 16
Openings

Click "+" to add that group to the games list below. Multiple groups can be added at once.

As White 108 games 52W 33D 23L
Nimzo-Indian Defense 20 games 6W 9D 5L
St. Petersburg Variation 5 games 1W 2D 2L
Fischer Variation 3 games 1W 1D 1L
(unspecified) 1 game 0W 0D 1L
American Variation 1 game 0W 1D 0L
Sämisch Variation 4 games 2W 2D 0L
(unspecified) 4 games 2W 2D 0L
Normal Variation 3 games 0W 1D 2L
Schlechter Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 0D 1L
Botvinnik System 1 game 0W 0D 1L
Rubinstein System 3 games 1W 2D 0L
(unspecified) 2 games 1W 1D 0L
Rubinstein Variation, Main Line 1 game 0W 1D 0L
Reshevsky Variation 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
Kmoch Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Three Knights Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 15 games 5W 5D 5L
Exchange Variation 7 games 2W 3D 2L
Positional Variation 6 games 1W 3D 2L
Reshevsky Variation 1 game 1W 0D 0L
Ragozin Defense 2 games 1W 0D 1L
Vienna Variation 1 game 0W 0D 1L
Alekhine Variation 1 game 1W 0D 0L
Queen's Knight Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Neo-Orthodox Variation 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
Three Knights Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Charousek Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian Attack 11 games 5W 2D 4L
(unspecified) 4 games 2W 1D 1L
(unspecified) 4 games 2W 1D 1L
Sicilian Variation 3 games 2W 1D 0L
(unspecified) 3 games 2W 1D 0L
Yugoslav Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Keres Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Spassky Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Zukertort Opening 8 games 6W 2D 0L
Nimzo-Larsen Variation 4 games 3W 1D 0L
(unspecified) 4 games 3W 1D 0L
Reversed Grünfeld 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
(unspecified) 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
English Opening 7 games 4W 3D 0L
Symmetrical Variation 4 games 2W 2D 0L
Hedgehog Defense 1 game 0W 1D 0L
Botvinnik System Reversed, with Nf3 1 game 1W 0D 0L
Three Knights, Fianchetto Variation 1 game 1W 0D 0L
Four Knights Variation 1 game 0W 1D 0L
Agincourt Defense 2 games 1W 1D 0L
Neo-Catalan Declined 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
Anglo-Indian Defense 1 game 1W 0D 0L
Anti-Anti-Grünfeld 1 game 1W 0D 0L
King's Indian Attack, with e6 6 games 3W 3D 0L
(unspecified) 6 games 3W 3D 0L
(unspecified) 6 games 3W 3D 0L
Catalan Opening 5 games 3W 1D 1L
Open Defense 5 games 3W 1D 1L
(unspecified) 3 games 3W 0D 0L
Classical Line 2 games 0W 1D 1L
Queen's Pawn Game 4 games 1W 1D 2L
London System 2 games 0W 1D 1L
with e6 1 game 0W 0D 1L
(unspecified) 1 game 0W 1D 0L
Modern Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Barry Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 3 games 1W 2D 0L
Petrosian Variation 1 game 1W 0D 0L
Stein Defense 1 game 1W 0D 0L
Fianchetto Variation 1 game 0W 1D 0L
Larsen Defense 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
Standard Development 1 game 0W 1D 0L
Queen's Indian Defense 3 games 1W 2D 0L
Fianchetto Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Kasparov-Petrosian Variation 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
Yates Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Semi-Slav Defense 3 games 2W 0D 1L
Chigorin Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Neo-Grünfeld Defense 3 games 3W 0D 0L
Classical Variation 2 games 2W 0D 0L
Original Defense 2 games 2W 0D 0L
with g3 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Indian Defense 3 games 2W 1D 0L
Anti-Nimzo-Indian 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Slav Defense 2 games 1W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Quiet Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Nimzo-Larsen Attack 2 games 2W 0D 0L
Classical Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Queen's Gambit Accepted 2 games 1W 0D 1L
Classical Defense 1 game 0W 0D 1L
Rubinstein Variation 1 game 0W 0D 1L
Janowski-Larsen Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack, with Bf5 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Dutch Defense 2 games 2W 0D 0L
Raphael Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Trompowsky Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Kangaroo Defense 1 game 1W 0D 0L
Keres Defense 1 game 1W 0D 0L
Transpositional Variation 1 game 1W 0D 0L
Bogo-Indian Defense 1 game 1W 0D 0L
Nimzowitsch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Tarrasch Defense 1 game 1W 0D 0L
Schara Gambit 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Czech Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Pirc Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Quiet System, Chigorin Line 1 game 0W 0D 1L
Mikenas Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 113 games 48W 24D 41L
Sicilian Defense 31 games 11W 6D 14L
Nyezhmetdinov-Rossolimo Attack 7 games 3W 0D 4L
(unspecified) 7 games 3W 0D 4L
Kalashnikov Variation 5 games 2W 1D 2L
(unspecified) 5 games 2W 1D 2L
Moscow Variation 4 games 2W 0D 2L
(unspecified) 3 games 2W 0D 1L
Sokolsky Variation 1 game 0W 0D 1L
Najdorf Variation 3 games 1W 0D 2L
Adams Attack 1 game 0W 0D 1L
Lipnitsky Attack 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
Richter-Rauzer Variation 2 games 1W 0D 1L
Neo-Modern Variation, Early Deviations 1 game 1W 0D 0L
Neo-Modern Variation 1 game 0W 0D 1L
Old Sicilian 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Keres Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Chekhover Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Alapin Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Accelerated Dragon 1 game 0W 1D 0L
Modern Bc4 Variation 1 game 0W 1D 0L
French Variation 1 game 0W 1D 0L
Westerinen Attack 1 game 0W 1D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Dragon Variation 1 game 0W 0D 1L
Yugoslav Attack, Czerniak Variation 1 game 0W 0D 1L
Caro-Kann Defense 24 games 12W 6D 6L
Advance Variation 10 games 4W 3D 3L
Tal Variation 6 games 1W 3D 2L
Short Variation 3 games 2W 0D 1L
Botvinnik-Carls Defense 1 game 1W 0D 0L
Two Knights Attack 3 games 2W 0D 1L
(unspecified) 2 games 2W 0D 0L
Mindeno Variation 1 game 0W 0D 1L
Tartakower Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Endgame Offer 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Exchange Variation 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Maróczy Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Forgacs Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Panov Attack 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
Queen's Gambit Declined 10 games 3W 2D 5L
Ragozin Defense 3 games 3W 0D 0L
Alekhine Variation 3 games 3W 0D 0L
Barmen Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Exchange Variation 2 games 0W 1D 1L
Positional Variation 2 games 0W 1D 1L
Modern Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Manhattan Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Westphalian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Indian Defense 7 games 2W 2D 3L
Normal Variation 4 games 1W 2D 1L
(unspecified) 1 game 0W 1D 0L
Gligoric System, Exchange Variation 1 game 0W 1D 0L
Ragozin Variation 1 game 0W 0D 1L
Botvinnik System 1 game 1W 0D 0L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Reshevsky Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Three Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 7 games 1W 2D 4L
Agincourt Defense 4 games 0W 1D 3L
(unspecified) 3 games 0W 1D 2L
Neo-Catalan Declined, Early b3 1 game 0W 0D 1L
Anglo-Indian Defense 2 games 0W 1D 1L
Flohr-Mikenas-Carls Variation, Nei Gambit 2 games 0W 1D 1L
Mikenas-Carls Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bogo-Indian Defense 7 games 4W 2D 1L
Retreat Variation 5 games 3W 1D 1L
(unspecified) 5 games 3W 1D 1L
Vitolins Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Grünfeld Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Petrov's Defense 6 games 2W 1D 3L
Classical Attack 2 games 0W 0D 2L
Staunton Variation 2 games 0W 0D 2L
Modern Attack 2 games 1W 1D 0L
Center Variation 2 games 1W 1D 0L
Paulsen Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Karklins-Martinovsky Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 5 games 2W 2D 1L
(unspecified) 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Keres Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Spassky Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Pawn Game 4 games 2W 0D 2L
London System 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Symmetrical Variation 2 games 2W 0D 0L
Pseudo-Catalan 2 games 2W 0D 0L
Indian Defense 3 games 3W 0D 0L
Pseudo-Benko 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Modern Defense 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Richter-Veresov Attack 1 game 1W 0D 0L
Two Knights System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benko Gambit Accepted 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Pawn Game 1 game 1W 0D 0L
Tayler Opening 1 game 1W 0D 0L
Inverted Hanham 1 game 1W 0D 0L
Queen's Indian Defense, with e3 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Zukertort Opening 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Catalan Opening 1 game 1W 0D 0L
Closed 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Semi-Slav Defense 1 game 1W 0D 0L
Normal Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 822

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

2024.03.30 · 54... Kb6 (−47.5% win chance) 1-0
Nemec, Jachym
Shevchenko, Kirill
View game
2026.03.03 · 36... Qd6 (−43.1% win chance) 1-0
Nemec, Jachym
Gledura, Benjamin
View game
2024.12.29 · 48. d6 (−40% win chance) 1/2-1/2
Bezdek, Tomas
Nemec, Jachym
View game
2025.03.24 · 51. Bb1 (−39.9% win chance) 0-1
Valiyev, Shahin
Nemec, Jachym
View game
Games Showing all 265 games
Date Event Round Color Opponent Result Accuracy % First moves