No.01
GM
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ChessEver is an app. It is ahead of Lichess on phone.
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GM
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No.05
GM
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EC
Eyber Sierra Castillo
COL-FIDE 144404182-Born 2009
Classical
1572
Rapid
1702
Blitz
1726
Recent Games
Daniel Alejandro Otero Portillo vs Eyber Sierra Castillo
Final Nacional Colombia Intercolegiados Activo 2025 | Juvenil MasculinoRound 4Board 12Oct 28, 20250-1
Eyber Sierra Castillo vs Rudiger Estiven Valencia Lopez
Final Nacional Colombia Intercolegiados Blitz 2025 | Juvenil MasculinoRound 7Board 10Oct 28, 20250-1
Jesus Geovanni Guevara Munoz vs Eyber Sierra Castillo
Final Nacional Colombia Intercolegiados Blitz 2025 | Juvenil MasculinoRound 3Board 13Oct 28, 20250-1
Jorge Mario Andrade Salcedo vs Eyber Sierra Castillo
Final Nacional Colombia Intercolegiados Activo 2025 | Juvenil MasculinoRound 6Board 10Oct 28, 2025Draw
Sebastian Rondano Pastrana vs Eyber Sierra Castillo
Final Nacional Colombia Intercolegiados Blitz 2025 | Juvenil MasculinoRound 1Board 16Oct 28, 2025Draw
Eyber Sierra Castillo vs Cristian Camilo Garcia Siabato
Final Nacional Colombia Intercolegiados Activo 2025 | Juvenil MasculinoRound 5Board 9Oct 28, 2025Draw