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

Mendoza Osorio, Ernesto

Standard: 1965 Rapid: 1852 Blitz: 1828 (last updated 2026-11-02)
FIDE ID: 29644950 (view FIDE profile)
Federation: MEX Sex: M Birth Year: 2006 Age: 20
Title: — Women's title: — Other title: — FOA title: AGM
Games: 82 Wins: 26 (32%) Draws: 13 (16%) Losses: 36 (44%) Other: 7
View all games
Dossier

51 of 82 games analyzed.

Accuracy: 89.8%
Opened c4: 20/20
Castled kingside: 38Same-side castling: 37Castled queenside: 2Did not castle: 2Opposite-side castling: 2
Fianchettoed kingside: 32Played on the kingside: 14Played in the center: 13Fianchettoed queenside: 8Played on the queenside: 4
Initiated exchanges: 36Active pieces: 32Backward pawn: 31Space advantage: 27Sacrificed material: 26Kept the bishop pair: 25Isolated pawn: 24Missed tactics: 15Played gambits: 4Avoided exchanges: 2
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 38 games 13W 6D 13L
English Opening 33 games 13W 5D 10L
King's English Variation 11 games 4W 3D 3L
(unspecified) 5 games 2W 1D 2L
Four Knights Variation, Fianchetto Line, with Nb6 3 games 2W 1D 0L
Closed System 1 game 0W 0D 0L
Closed System, Full Symmetry 1 game 0W 1D 0L
Taimanov Variation 1 game 0W 0D 1L
Anglo-Indian Defense 8 games 4W 0D 2L
(unspecified) 8 games 4W 0D 2L
Symmetrical Variation 7 games 5W 1D 0L
Ultra-Symmetrical Variation 3 games 1W 1D 0L
(unspecified) 2 games 2W 0D 0L
Rubinstein Variation 1 game 1W 0D 0L
Botvinnik System 1 game 1W 0D 0L
Agincourt Defense 4 games 0W 0D 3L
(unspecified) 4 games 0W 0D 3L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Great Snake Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Anglo-Lithuanian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Catalan Opening 3 games 0W 0D 3L
Open Defense 2 games 0W 0D 2L
Classical Line 2 games 0W 0D 2L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Dutch Defense 1 game 0W 1D 0L
Stonewall Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Slav Defense 1 game 0W 0D 0L
Exchange Variation 1 game 0W 0D 0L
(unspecified) 1 game 0W 0D 0L
As Black 35 games 9W 7D 18L
Sicilian Defense 18 games 5W 5D 8L
O'Kelly Variation 10 games 2W 3D 5L
Venice System, Barcza Line 4 games 1W 2D 1L
Yerevan System 2 games 0W 1D 1L
Maróczy Bind 2 games 0W 0D 2L
Réti System 1 game 0W 0D 1L
Normal System, Taimanov Line 1 game 1W 0D 0L
Closed 3 games 1W 1D 1L
Traditional 2 games 0W 1D 1L
(unspecified) 1 game 1W 0D 0L
Alapin Variation 2 games 1W 0D 1L
(unspecified) 2 games 1W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Grand Prix Attack 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Staunton-Cochrane Variation 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
King's Indian Defense 3 games 1W 0D 2L
Fianchetto Variation 2 games 1W 0D 1L
Kavalek Defense 1 game 1W 0D 0L
Classical Main Line 1 game 0W 0D 1L
Karpov System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Zukertort Opening 3 games 1W 0D 2L
Nimzo-Larsen Variation 3 games 1W 0D 2L
(unspecified) 3 games 1W 0D 2L
English Opening 2 games 1W 0D 0L
Symmetrical Variation 2 games 1W 0D 0L
Botvinnik System 1 game 0W 0D 0L
Botvinnik System Reversed, with e3 1 game 1W 0D 0L
Indian Defense 2 games 0W 0D 2L
Accelerated London System 2 games 0W 0D 2L
(unspecified) 2 games 0W 0D 2L
Scandinavian Defense 2 games 0W 1D 1L
Valencian Variation 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Trompowsky Attack 2 games 1W 0D 1L
Classical Defense 1 game 1W 0D 0L
Big Center Variation 1 game 1W 0D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Neo-Grünfeld Defense 1 game 0W 0D 1L
Delayed Exchange Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Indian Attack 1 game 0W 0D 1L
Symmetrical Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
London System 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
(unspecified) 1 game 0W 1D 0L
Blunders Top 4 of 233

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

2025.10.17 · 27. Re1 (−75.3% win chance) 0-1
Vega Castaneda, Ulises Antonio
Mendoza Osorio, Ernesto
View game
2025.09.07 · 35. d5 (−41.5% win chance) 0-1
Gutierrez Yanez, Carlos
Mendoza Osorio, Ernesto
View game
2026.05.25 · 53. Rf3 (−41.3% win chance) 1/2-1/2
Garcia Flores, Diego Agustin
Mendoza Osorio, Ernesto
View game
2026.05.25 · 56... Kd6 (−38.6% win chance) 1/2-1/2
Mendoza Osorio, Ernesto
Terres Balderrama, Luigi Guadalupe
View game
View blunders & mistakes
Games Showing all 82 games
Date Event Round Color Opponent Result Accuracy % First moves