Chess Games DB
Find player games & weaknesses
Log in
Player profile

Sieczkowski, Mikolaj

Standard: 1455 Rapid: 1414 Blitz: 1532 (last updated 2026-10-11)
FIDE ID: 91177405 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2015 Age: 11
Title: — Women's title: — Other title: — FOA title: —
Games: 11 Wins: 4 (36%) Draws: 1 (9%) Losses: 6 (55%)
View all games
Dossier

10 of 11 games analyzed.

Accuracy: 84.9%
Opened e4: 4/4
Castled kingside: 7Same-side castling: 5Opposite-side castling: 1Did not castle: 1
Played in the center: 5Fianchettoed kingside: 4Played on the kingside: 3Fianchettoed queenside: 1
Active pieces: 8Initiated exchanges: 7Kept the bishop pair: 6Backward pawn: 6Space advantage: 6Sacrificed material: 5Missed tactics: 5Isolated pawn: 3Avoided exchanges: 1Played gambits: 1
View full dossier Analyze this player's games
Openings

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

As White 5 games 2W 1D 2L
Bishop's Opening 4 games 2W 1D 1L
Vienna Hybrid 4 games 2W 1D 1L
Spielmann Attack 2 games 1W 1D 0L
(unspecified) 2 games 1W 0D 1L
Sicilian Defense 1 game 0W 0D 1L
Dragon Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 4 games 2W 0D 2L
Sicilian Defense 4 games 2W 0D 2L
Closed 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Accelerated Dragon 1 game 0W 0D 1L
Modern Bc4 Variation 1 game 0W 0D 1L
Hyperaccelerated Dragon 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 67

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

2025.06.13 · 31... Bf4 (−48.9% win chance) 1-0
Sieczkowski, Mikolaj
Koziel, Jan
View game
2025.06.13 · 12... Be6 (−36.5% win chance) 1-0
Sieczkowski, Mikolaj
Koziel, Jan
View game
2025.06.12 · 31. Kg3 (−34.8% win chance) 0-1
Cyboran, Antoni
Sieczkowski, Mikolaj
View game
2025.06.11 · 33... h6 (−33.8% win chance) 1-0
Sieczkowski, Mikolaj
Firsov, Zakhar
View game
View blunders & mistakes
Games Showing all 11 games
Date Event Round Color Opponent Result Accuracy % First moves