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

Casas Mejia, Santiago

Standard: 1538 Rapid: 1624 Blitz: 1655 (last updated 2026-11-02)
FIDE ID: 144415060 (view FIDE profile)
Federation: COL Sex: M Birth Year: 2014 Age: 12
Title: — Women's title: — Other title: — FOA title: —
Games: 76 Wins: 29 (38%) Draws: 7 (9%) Losses: 36 (47%) Other: 4
View all games
Dossier

62 of 76 games analyzed.

Accuracy: 82.1%
Opened d4: 32/32
Castled kingside: 46Same-side castling: 40Did not castle: 9Opposite-side castling: 8Castled queenside: 5
Played on the queenside: 23Played in the center: 17Played on the kingside: 14Fianchettoed kingside: 6Fianchettoed queenside: 5
Space advantage: 43Initiated exchanges: 38Active pieces: 34Isolated pawn: 33Kept the bishop pair: 32Sacrificed material: 31Backward pawn: 19Missed tactics: 18Avoided exchanges: 10Played gambits: 7
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 14W 2D 22L
Queen's Gambit Declined 11 games 7W 0D 4L
Marshall Defense 3 games 2W 0D 1L
(unspecified) 3 games 2W 0D 1L
Exchange Variation 3 games 2W 0D 1L
Positional Variation 2 games 2W 0D 0L
(unspecified) 1 game 0W 0D 1L
(unspecified) 3 games 1W 0D 2L
(unspecified) 3 games 1W 0D 2L
Been-Koomen Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Baltic Defense 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 6 games 2W 1D 3L
Orthodox Variation 3 games 1W 0D 2L
Positional Defense, Closed Line 2 games 0W 0D 2L
(unspecified) 1 game 1W 0D 0L
Four Pawns Attack 2 games 1W 1D 0L
(unspecified) 2 games 1W 1D 0L
Semi-Classical Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Nimzo-Indian Defense 4 games 1W 0D 3L
St. Petersburg Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Three Knights Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Rubinstein System 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Classical Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Slav Defense 4 games 1W 0D 3L
(unspecified) 3 games 1W 0D 2L
(unspecified) 3 games 1W 0D 2L
Exchange Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Benko Gambit 2 games 0W 1D 1L
Zaitsev System 2 games 0W 1D 1L
(unspecified) 2 games 0W 1D 1L
Indian Defense 2 games 1W 0D 1L
Budapest Gambit Accepted 1 game 0W 0D 1L
Main Line, Adler Variation 1 game 0W 0D 1L
Normal Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Semi-Slav Defense 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Old Indian Defense 1 game 0W 0D 1L
Ukrainian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Mikenas Defense 1 game 0W 0D 1L
Lithuanian Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Indian Defense, with e3 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Grünfeld Defense 1 game 1W 0D 0L
Exchange Variation 1 game 1W 0D 0L
Modern Exchange Variation 1 game 1W 0D 0L
Slav Indian 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Benko Gambit Accepted 1 game 0W 0D 1L
Modern Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Gambit Accepted 1 game 0W 0D 1L
Old Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Dutch Defense 1 game 0W 0D 1L
Queen's Knight Variation 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
As Black 34 games 13W 3D 14L
Sicilian Defense 23 games 9W 3D 8L
Old Sicilian 4 games 1W 0D 1L
(unspecified) 4 games 1W 0D 1L
Godiva Variation 4 games 2W 1D 1L
(unspecified) 4 games 2W 1D 1L
Alapin Variation 3 games 0W 1D 2L
(unspecified) 2 games 0W 1D 1L
Barmen Defense, Central Exchange 1 game 0W 0D 1L
Nyezhmetdinov-Rossolimo Attack 3 games 0W 1D 2L
(unspecified) 3 games 0W 1D 2L
Staunton-Cochrane Variation 2 games 2W 0D 0L
(unspecified) 2 games 2W 0D 0L
Closed 2 games 1W 0D 1L
Traditional 2 games 1W 0D 1L
Bowdler Attack 2 games 1W 0D 0L
(unspecified) 2 games 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Taimanov Variation 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Grand Prix Attack 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Queen's Pawn Game 4 games 2W 0D 1L
London System 2 games 0W 0D 1L
with e6 2 games 0W 0D 1L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Accelerated London System 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
King's Indian Defense 2 games 0W 0D 2L
Fianchetto Variation 1 game 0W 0D 1L
Lesser Simagin (Spassky) 1 game 0W 0D 1L
Four Pawns Attack 1 game 0W 0D 1L
Normal Attack 1 game 0W 0D 1L
Scotch Game 1 game 1W 0D 0L
Göring Gambit 1 game 1W 0D 0L
Bardeleben Variation 1 game 1W 0D 0L
Catalan Opening 1 game 0W 0D 1L
Closed 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
King's Pawn Game 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
(unspecified) 1 game 1W 0D 0L
Pirc Defense 1 game 0W 0D 1L
Classical Variation 1 game 0W 0D 1L
Quiet System, Parma Defense 1 game 0W 0D 1L
English Opening 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
(unspecified) 1 game 0W 0D 1L
Blunders Top 4 of 247

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

2026.03.22 · 11. Nxa8 (−83.2% win chance) 0-1
Zuluaga Penagos, Gabriel
Casas Mejia, Santiago
View game
2026.09.10 · 18... Bxc4 (−82.2% win chance) 0-1
Casas Mejia, Santiago
Jesus Mateo Gonzales Cajamarca
View game
2024.06.02 · 23... g6 (−63.4% win chance) 1-0
Casas Mejia, Santiago
Ceballos Castellanos, Isabela
View game
2025.02.02 · 9... Qb4 (−54.2% win chance) 1/2-1/2
Casas Mejia, Santiago
Vasquez Sanchez, Juan Pablo
View game
View blunders & mistakes
Games Showing all 76 games
Date Event Round Color Opponent Result Accuracy % First moves