Player profile

Sieciechowicz, Marcin

Standard: 2387 Rapid: 2346 Blitz: 2331 (last updated 2026-11-02)
FIDE ID: 1130170 (view FIDE profile)
Federation: POL Sex: M Birth Year: 1992 Age: 34
Title: IM Women's title: — Other title: — FOA title: —
Games: 245 Wins: 107 (44%) Draws: 92 (38%) Losses: 44 (18%) Other: 2
Dossier

215 of 245 games analyzed.

Accuracy: 93.3%
Opened d4: 65/77Opened Nf3: 10/77Opened c4: 2/77
Castled kingside: 117Same-side castling: 103Did not castle: 22Castled queenside: 15Opposite-side castling: 14
Played on the queenside: 49Played in the center: 44Fianchettoed kingside: 36Played on the kingside: 29Fianchettoed queenside: 21
Initiated exchanges: 101Active pieces: 99Sacrificed material: 89Space advantage: 87Backward pawn: 84Kept the bishop pair: 80Isolated pawn: 64Avoided exchanges: 28Accepted short draws: 18Missed tactics: 18
Openings

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

As White 89 games 46W 31D 12L
Nimzo-Indian Defense 21 games 8W 9D 4L
Classical Variation 14 games 6W 7D 1L
(unspecified) 6 games 2W 4D 0L
Noa Variation 5 games 3W 2D 0L
Milner-Barry Variation 2 games 1W 1D 0L
Berlin Variation 1 game 0W 0D 1L
Kmoch Variation 4 games 0W 1D 3L
(unspecified) 4 games 0W 1D 3L
Normal Variation 2 games 2W 0D 0L
Botvinnik System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Rubinstein System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Declined 17 games 13W 4D 0L
Exchange Variation 10 games 7W 3D 0L
Positional Variation 5 games 3W 2D 0L
Reshevsky Variation 5 games 4W 1D 0L
Charousek Variation 3 games 3W 0D 0L
(unspecified) 3 games 3W 0D 0L
Queen's Knight Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Barmen Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Austrian Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Attack 5 games 1W 3D 1L
(unspecified) 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Pachman System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Symmetrical Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Keres Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 5 games 3W 2D 0L
Semi-Averbakh System 3 games 3W 0D 0L
(unspecified) 3 games 3W 0D 0L
Fianchetto Variation 2 games 0W 2D 0L
Yugoslav Variation, Exchange Line 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
Queen's Gambit Accepted 5 games 2W 3D 0L
Normal Variation 2 games 1W 1D 0L
Traditional System 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
Furman Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Central Variation 1 game 0W 1D 0L
McDonnell Defense 1 game 0W 1D 0L
Grünfeld Defense 4 games 2W 2D 0L
Exchange Variation 3 games 1W 2D 0L
Modern Exchange Variation 1 game 0W 1D 0L
Classical Variation 1 game 0W 1D 0L
(unspecified) 1 game 1W 0D 0L
Smyslov Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
? 4 games 1W 1D 2L
(unspecified) 4 games 1W 1D 2L
(unspecified) 4 games 1W 1D 2L
Semi-Slav Defense 4 games 3W 0D 1L
(unspecified) 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Marshall Gambit 1 game 1W 0D 0L
Forgotten Variation 1 game 1W 0D 0L
Anti-Moscow Gambit 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Rat Defense 3 games 2W 0D 1L
English Rat 3 games 2W 0D 1L
(unspecified) 3 games 2W 0D 1L
Slav Defense 3 games 2W 1D 0L
Czech Variation 3 games 2W 1D 0L
Bled Attack 1 game 1W 0D 0L
Wiesbaden Variation, Sharp Line 1 game 1W 0D 0L
Classical System 1 game 0W 1D 0L
Queen's Pawn Game 2 games 0W 2D 0L
Accelerated London System 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Zukertort Opening 2 games 0W 1D 1L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Gambit Invitation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Indian Defense 2 games 2W 0D 0L
Classical Variation 2 games 2W 0D 0L
Traditional Variation, Main Line 1 game 1W 0D 0L
Traditional Variation 1 game 1W 0D 0L
Indian Defense 2 games 1W 1D 0L
Accelerated London System 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Benko Gambit Accepted 1 game 1W 0D 0L
Pawn Return Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benoni Defense 1 game 1W 0D 0L
Benoni Gambit Accepted 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Anderssen's Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 1W 0D 0L
Symmetrical Variation 1 game 1W 0D 0L
Botvinnik System Reversed, with Nf3 1 game 1W 0D 0L
Tarrasch Defense 1 game 1W 0D 0L
Two Knights Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Catalan Opening 1 game 0W 1D 0L
Open Defense 1 game 0W 1D 0L
Classical Line 1 game 0W 1D 0L
Kangaroo Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Pirc Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
As Black 86 games 28W 38D 20L
Sicilian Defense 19 games 8W 9D 2L
Najdorf Variation 9 games 3W 5D 1L
Opocensky Variation, Traditional Line 3 games 0W 3D 0L
Poisoned Pawn Accepted 2 games 1W 1D 0L
English Attack 1 game 0W 1D 0L
Opocensky Variation 1 game 1W 0D 0L
Poisoned Pawn Variation 1 game 1W 0D 0L
Adams Attack 1 game 0W 0D 1L
Moscow Variation 3 games 2W 1D 0L
(unspecified) 2 games 2W 0D 0L
Moscow Gambit 1 game 0W 1D 0L
Delayed Alapin Variation 2 games 2W 0D 0L
with d6 2 games 2W 0D 0L
Closed 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Modern Variations 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Keres Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Hyperaccelerated Dragon 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Alapin Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
French Defense 11 games 2W 4D 5L
Tarrasch Variation 4 games 0W 3D 1L
Chistyakov Defense 2 games 0W 1D 1L
Open System, Euwe-Keres Line 2 games 0W 2D 0L
Advance Variation 2 games 0W 0D 2L
Wade Variation 1 game 0W 0D 1L
Euwe Variation 1 game 0W 0D 1L
Winawer Variation 2 games 0W 0D 2L
Bogoljubow Variation 2 games 0W 0D 2L
Wing Gambit 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Chigorin Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 7 games 3W 2D 2L
Exchange Variation 4 games 2W 1D 1L
Symmetrical Line 2 games 2W 0D 0L
(unspecified) 2 games 0W 1D 1L
Quiet Variation 2 games 0W 1D 1L
Pin Defense 2 games 0W 1D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
? 5 games 3W 2D 0L
(unspecified) 5 games 3W 2D 0L
(unspecified) 5 games 3W 2D 0L
Grünfeld Defense 5 games 2W 2D 1L
Exchange Variation 4 games 1W 2D 1L
Modern Exchange Variation 2 games 0W 2D 0L
(unspecified) 2 games 1W 0D 1L
Brinckmann Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 4 games 0W 3D 1L
Agincourt Defense 2 games 0W 2D 0L
Neo-Catalan Declined 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Anglo-Indian Defense 1 game 0W 0D 1L
Anglo-Grünfeld Variation 1 game 0W 0D 1L
Symmetrical Variation 1 game 0W 1D 0L
Rubinstein Variation 1 game 0W 1D 0L
Ruy Lopez 3 games 0W 3D 0L
Berlin Defense 2 games 0W 2D 0L
Anti-Berlin Variation 2 games 0W 2D 0L
Open Berlin Defense 1 game 0W 1D 0L
l'Hermet Variation 1 game 0W 1D 0L
Nimzo-Larsen Attack 3 games 1W 1D 1L
Classical Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Modern Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Italian Game 3 games 2W 0D 1L
Classical Variation 2 games 1W 0D 1L
Giuoco Pianissimo 1 game 0W 0D 1L
Greco Gambit, Traditional Line 1 game 1W 0D 0L
Giuoco Piano 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Semi-Slav Defense 3 games 1W 1D 1L
Stoltz Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Zukertort Opening 3 games 1W 1D 1L
Nimzo-Larsen Variation 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Queen's Pawn Game 3 games 0W 2D 1L
Symmetrical Variation 2 games 0W 2D 0L
(unspecified) 1 game 0W 1D 0L
Pseudo-Catalan 1 game 0W 1D 0L
London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Catalan Opening 2 games 1W 0D 1L
Open Defense 2 games 1W 0D 1L
Classical Line 1 game 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
Four Knights Game 2 games 0W 1D 1L
Scotch Variation Accepted 1 game 0W 1D 0L
Main Line 1 game 0W 1D 0L
Spanish Variation 1 game 0W 0D 1L
Rubinstein Variation, Henneberger Variation 1 game 0W 0D 1L
Queen's Gambit Declined 2 games 1W 0D 1L
Neo-Orthodox Variation 1 game 1W 0D 0L
Main Line 1 game 1W 0D 0L
Exchange Variation 1 game 0W 0D 1L
Positional Variation 1 game 0W 0D 1L
Neo-Grünfeld Defense 2 games 0W 2D 0L
Ultra-Delayed Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Queen's Indian Defense, with e3 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Center Game 1 game 0W 1D 0L
Berger Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Attack 1 game 0W 1D 0L
Double Fianchetto 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Bird Opening 1 game 1W 0D 0L
Dutch Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Scotch Game 1 game 1W 0D 0L
Schmidt Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Trompowsky Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Bishop's Opening 1 game 0W 1D 0L
Vienna Hybrid 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Rapport-Jobava System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 1 game 0W 1D 0L
Accelerated Panov Attack 1 game 0W 1D 0L
Modern Variation 1 game 0W 1D 0L
Blunders Top 4 of 519

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

2024.08.12 · 84... Qh1 (−47.5% win chance) 1-0
Sieciechowicz, Marcin
Mis, Mieszko
View game
2024.01.02 · 22... Qf2 (−47.5% win chance) 1-0
Sieciechowicz, Marcin
Dziewonski, Dariusz
View game
2026.09.06 · 39... Rc4 (−46.9% win chance) 1/2-1/2
Sieciechowicz, Marcin
Luczak, Filip
View game
2024.09.15 · 20. Qb6 (−46.5% win chance) 1/2-1/2
Mickiewicz, Piotr
Sieciechowicz, Marcin
View game
Games Showing all 245 games
Date Event Round Color Opponent Result Accuracy % First moves