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

Kostov, Rubin

Standard: 1712 Rapid: 1719 Blitz: 1656 (last updated 2026-11-02)
FIDE ID: 14989000 (view FIDE profile)
Federation: SVK Sex: M Birth Year: 2011 Age: 15
Title: — Women's title: — Other title: — FOA title: —
Games: 9 Wins: 2 (22%) Draws: 2 (22%) Losses: 5 (56%)
View all games
Dossier

2 of 9 games analyzed.

Accuracy: 80.2%
Castled kingside: 2Same-side castling: 2
Fianchettoed queenside: 2Played on the queenside: 1Played in the center: 1
Isolated pawn: 2Kept the bishop pair: 1Active pieces: 1Played gambits: 1Sacrificed material: 1Avoided exchanges: 1Missed tactics: 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 4 games 1W 1D 2L
English Opening 4 games 1W 1D 2L
King's English Variation 2 games 0W 1D 1L
Two Knights Variation, Keres Variation 1 game 0W 0D 1L
Two Knights Variation, Reversed Dragon 1 game 0W 1D 0L
Agincourt Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 5 games 1W 1D 3L
Scandinavian Defense 3 games 1W 1D 1L
Main Line 2 games 1W 1D 0L
(unspecified) 1 game 0W 1D 0L
Mieses Variation 1 game 1W 0D 0L
Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Indian Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Traditional Variation 1 game 0W 0D 1L
Nimzo-Indian Defense 1 game 0W 0D 1L
Kmoch Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 22

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

? · 36... Qc1+ (−47.5% win chance) 1-0
Kostov, Rubin
Amvrosiadis, Themistoklis
View game
? · 53... Qc5 (−32.9% win chance) 1-0
Kostov, Rubin
Voronova, Anastassia
View game
? · 57... Qb1+ (−27.3% win chance) 1-0
Kostov, Rubin
Voronova, Anastassia
View game
? · 55... Qc3 (−23.5% win chance) 1-0
Kostov, Rubin
Voronova, Anastassia
View game
View blunders & mistakes
Games Showing all 9 games
Date Event Round Color Opponent Result Accuracy % First moves