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

Tendera, Jan

Standard: 1767 Rapid: 1717 Blitz: 1515 (last updated 2026-11-02)
FIDE ID: 41814568 (view FIDE profile)
Federation: POL Sex: M Birth Year: 2012 Age: 14
Title: — Women's title: — Other title: — FOA title: —
Games: 56 Wins: 24 (43%) Draws: 9 (16%) Losses: 23 (41%)
View all games
Dossier

45 of 56 games analyzed.

Accuracy: 86.7%
Opened d4: 19/25Opened e4: 5/25Opened b3: 1/25
Castled kingside: 34Same-side castling: 32Did not castle: 7Opposite-side castling: 4Castled queenside: 4
Fianchettoed kingside: 17Played on the queenside: 14Fianchettoed queenside: 13Played in the center: 11Played on the kingside: 10
Space advantage: 33Initiated exchanges: 31Active pieces: 30Sacrificed material: 29Kept the bishop pair: 21Backward pawn: 21Isolated pawn: 20Missed tactics: 18Avoided exchanges: 11Played gambits: 8
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 30 games 11W 5D 14L
Catalan Opening 7 games 4W 1D 2L
(unspecified) 4 games 3W 0D 1L
(unspecified) 4 games 3W 0D 1L
Closed 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
Open Defense 1 game 0W 1D 0L
Classical Line 1 game 0W 1D 0L
King's Indian Defense 6 games 1W 0D 5L
Fianchetto Variation 2 games 1W 0D 1L
Immediate Fianchetto 2 games 1W 0D 1L
Normal Variation 2 games 0W 0D 2L
King's Knight Variation 2 games 0W 0D 2L
Orthodox Variation 1 game 0W 0D 1L
Positional Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Declined 3 games 1W 1D 1L
Cambridge Springs Defense 1 game 0W 0D 1L
Capablanca Variation 1 game 0W 0D 1L
Queen's Knight Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Harrwitz Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Benko Gambit 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
(unspecified) 2 games 0W 2D 0L
Slav Defense 2 games 1W 1D 0L
Slav Gambit 1 game 0W 1D 0L
Alekhine Attack 1 game 0W 1D 0L
Alekhine Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Sicilian Defense 1 game 0W 0D 1L
Accelerated Dragon 1 game 0W 0D 1L
Maróczy Bind 1 game 0W 0D 1L
Neo-Grünfeld Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Nimzo-Larsen Attack 1 game 0W 0D 1L
Indian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Scotch Game 1 game 1W 0D 0L
Schmidt Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Pawn Game 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Four Knights Game 1 game 0W 0D 1L
Spanish Variation 1 game 0W 0D 1L
Ranken Variation 1 game 0W 0D 1L
French Defense 1 game 0W 0D 1L
Winawer Variation 1 game 0W 0D 1L
Advance Variation, with h4 1 game 0W 0D 1L
Scandinavian Defense 1 game 0W 0D 1L
Main Line 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Kangaroo Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Queen's Gambit Accepted 1 game 0W 0D 1L
Saduleto Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 26 games 13W 4D 9L
Sicilian Defense 10 games 6W 2D 2L
Kramnik Variation 3 games 1W 1D 1L
(unspecified) 3 games 1W 1D 1L
Closed 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
French Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Alapin Variation 1 game 1W 0D 0L
Smith-Morra Declined 1 game 1W 0D 0L
Accelerated Dragon 1 game 0W 1D 0L
Maróczy Bind 1 game 0W 1D 0L
Kan Variation 1 game 1W 0D 0L
Maróczy Bind, Réti Variation 1 game 1W 0D 0L
Italian Game 5 games 3W 0D 2L
Classical Variation 3 games 1W 0D 2L
Giuoco Pianissimo 2 games 1W 0D 1L
Greco Gambit, Modern Line 1 game 0W 0D 1L
Two Knights Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Giuoco Piano 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Caro-Kann Defense 2 games 0W 0D 2L
Exchange Variation 1 game 0W 0D 1L
Rubinstein Variation 1 game 0W 0D 1L
Tartakower Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Grünfeld Defense 2 games 1W 1D 0L
Three Knights Variation 1 game 1W 0D 0L
Burille Variation 1 game 1W 0D 0L
Exchange Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Nimzo-Indian Defense 1 game 1W 0D 0L
Leningrad Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 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 1D 0L
Neo-Catalan 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Torre Attack 1 game 0W 0D 1L
Classical Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Ruy Lopez 1 game 1W 0D 0L
Morphy Defense 1 game 1W 0D 0L
Graz Variation 1 game 1W 0D 0L
Queen's Pawn Game 1 game 0W 0D 1L
Accelerated London System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Four Knights Game 1 game 1W 0D 0L
Italian Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Blunders Top 4 of 228

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

2026.08.04 · 28... Qg6 (−58.4% win chance) 1/2-1/2
Tendera, Jan
Gazda, Jacek
View game
2026.08.02 · 33. Rc5 (−57.5% win chance) 0-1
Johansen, Filip
Tendera, Jan
View game
2024.08.12 · 21. Qxb7 (−54.6% win chance) 0-1
Kret, Michal
Tendera, Jan
View game
2024.08.11 · 36. Rg1 (−46.9% win chance) 0-1
Monka, Malwina
Tendera, Jan
View game
View blunders & mistakes
Games Showing all 56 games
Date Event Round Color Opponent Result Accuracy % First moves