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Player profile

Kierzek, Matthias, Dr.

Standard: 2086 Rapid: 0 Blitz: 0 (last updated 2026-10-02)
FIDE ID: 4647009 (view FIDE profile)
Federation: GER Sex: M Birth Year: 1950 Age: 76
Title: — Women's title: — Other title: NA FOA title: —
Games: 39 Wins: 10 (26%) Draws: 16 (41%) Losses: 13 (33%)
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Dossier

37 of 39 games analyzed.

Accuracy: 90.6%
Opened d4: 19/19
Castled kingside: 26Same-side castling: 25Did not castle: 8Castled queenside: 3Opposite-side castling: 2
Played on the queenside: 15Played in the center: 11Played on the kingside: 7Fianchettoed kingside: 4Fianchettoed queenside: 2
Active pieces: 30Space advantage: 27Kept the bishop pair: 22Isolated pawn: 20Initiated exchanges: 18Backward pawn: 15Sacrificed material: 14Avoided exchanges: 10Accepted short draws: 8Missed tactics: 7
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Openings

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As White 20 games 6W 9D 5L
Queen's Gambit Declined 5 games 0W 2D 3L
Semi-Tarrasch Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Ragozin Defense 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Modern Variation 1 game 0W 0D 1L
Normal Line 1 game 0W 0D 1L
Harrwitz Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Cambridge Springs Defense 1 game 0W 1D 0L
Yugoslav Variation 1 game 0W 1D 0L
Benoni Defense 3 games 3W 0D 0L
Hromádka System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Old Benoni 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Czech Benoni Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Bogo-Indian Defense 2 games 1W 1D 0L
Grünfeld Variation 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Queen's Indian Defense 2 games 0W 1D 1L
Fianchetto Variation 2 games 0W 1D 1L
Nimzowitsch Variation 1 game 0W 0D 1L
Traditional Line 1 game 0W 1D 0L
Benko Gambit Accepted 2 games 0W 1D 1L
Modern Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Slav Defense 1 game 0W 1D 0L
Steiner Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Pawn Game 1 game 1W 0D 0L
Maróczy Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Old Indian Defense 1 game 0W 1D 0L
Normal Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Grünfeld Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
Modern Exchange Variation, Kramnik's Line 1 game 0W 1D 0L
Modern Defense 1 game 0W 1D 0L
Averbakh System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 19 games 4W 7D 8L
Caro-Kann Defense 8 games 3W 2D 3L
Exchange Variation 4 games 1W 1D 2L
(unspecified) 2 games 1W 0D 1L
Rubinstein Variation 2 games 0W 1D 1L
Advance Variation 2 games 2W 0D 0L
Short Variation 2 games 2W 0D 0L
Apocalypse Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Two Knights Attack 1 game 0W 1D 0L
Mindeno Variation, Exchange Line 1 game 0W 1D 0L
Slav Defense 4 games 1W 1D 2L
Quiet Variation 2 games 1W 1D 0L
Schallopp Defense 2 games 1W 1D 0L
Exchange Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Czech Variation 1 game 0W 0D 1L
Krause Attack 1 game 0W 0D 1L
King's Indian Attack 2 games 0W 2D 0L
Keres Variation 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Semi-Slav Defense 1 game 0W 1D 0L
Moscow Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Réti Opening 1 game 0W 1D 0L
Advance Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Rapport-Jobava System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
English Opening 1 game 0W 0D 1L
King's English Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Pawn Game 1 game 0W 0D 1L
Accelerated London System 1 game 0W 0D 1L
Steinitz Countergambit 1 game 0W 0D 1L
Blunders Top 4 of 110

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

2024.08.26 · 34. Be3 (−45.7% win chance) 0-1
Roettinger, Eugen
Kierzek, Matthias, Dr.
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2026.06.04 · 56. Kg3 (−39.8% win chance) 0-1
Podlesnik, Bogdan
Kierzek, Matthias, Dr.
View game
2026.04.27 · 14. a3 (−29.9% win chance) 0-1
Ceschia, Ivano
Kierzek, Matthias, Dr.
View game
2024.05.09 · 39... Ke5 (−27.6% win chance) 1-0
Kierzek, Matthias, Dr.
Povah, Nigel E
View game
View blunders & mistakes
Games Showing all 39 games
Date Event Round Color Opponent Result Accuracy % First moves