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Player profile

Stefan Sondermann

Games: 5 Wins: 3 (60%) Draws: 2 (40%) Losses: 0 (0%)
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Dossier

4 of 5 games analyzed.

Accuracy: 93.6%
Opened c4: 1/2Opened d4: 1/2
Castled kingside: 4Same-side castling: 3
Fianchettoed queenside: 2Played in the center: 2Fianchettoed kingside: 2Played on the queenside: 1
Kept the bishop pair: 4Active pieces: 3Initiated exchanges: 3Space advantage: 1Sacrificed material: 1Missed tactics: 1Backward pawn: 1Accepted short draws: 1
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Openings

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As White 3 games 2W 1D 0L
Nimzo-Indian Defense 1 game 1W 0D 0L
St. Petersburg Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
English Opening 1 game 1W 0D 0L
Carls-Bremen System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 1 game 0W 1D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
As Black 2 games 1W 1D 0L
Catalan Opening 1 game 0W 1D 0L
Closed Variation 1 game 0W 1D 0L
Traditional Variation 1 game 0W 1D 0L
Nimzo-Indian Defense 1 game 1W 0D 0L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 9

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

2026.08.22 · 34. Bxg6 (−14.5% win chance) 1-0
Becker, Henning
Stefan Sondermann
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2026.08.22 · 20... Qb5 (−10.7% win chance) 0-1
Stefan Sondermann
Tymoteusz Ostrowski
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2026.08.23 · 16... Be4 (−9.5% win chance) 1/2-1/2
Stefan Sondermann
Netuschil, Marvin
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2026.08.22 · 24. Qc2 (−7.2% win chance) 1-0
Becker, Henning
Stefan Sondermann
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Games Showing all 5 games
Date Event Round Color Opponent Result Accuracy % First moves