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Play Jefferson
Rosero, Jefferson
🇨🇴
COL
· 7 games analyzed ·
FIDE #4416945
· 43W 29D 29L
classical
2087
rapid
1992
blitz
2026
Recent Events
17th American Cont Blitz
Openings
Weaknesses
Prep Tips
As White
As Black
ECO
Opening
Games
Freq
W / D / L
▶
B21
Sicilian Defense
1.e4 c5 2.f4
1
33%
100%
0%
0%
▶
A22
English Opening
1.c4 e5 2.Nc3 Nf6
1
33%
0%
0%
100%
▶
A00
Amar Opening
1.Nh3
1
33%
0%
100%
0%
Notable Games
Lost
vs Rosales, Daniel (2062)
French Defense: Winawer Variation, Advance Variation
Oct 2012
→
Lost
vs Navia Alvarez, Edwin Adrian (2057)
Sicilian Defense: Open
Oct 2012
→
Won
vs Salcedo, Pablo Esteban (1788)
Sicilian Defense: Najdorf Variation
Oct 2012
→
Recent Games
Won
vs Sanchez Bermudez, Jeronimo (1634)
Sicilian Defense: Halasz Gambit
May 2024
→
Lost
vs Quesada Perez, Luis Ernesto (2567)
Modern Defense
May 2024
→
Lost
vs Guevara Ruiz, Santiago Jose (1920)
English Opening: Carls-Bremen System
May 2024
→
Won
vs Meza Galvan, Victor Andres (1707)
Scandinavian Defense
May 2024
→
Draw
vs Jimenez Salas, Maria Teresa (1900)
Amar Opening
May 2024
→
Won
vs Herrera Jimenez, Mateo (1943)
Scandinavian Defense
May 2024
→
Draw
vs Zapata, Juan Carlos (1963)
Benoni Defense: Modern Variation
May 2024
→
Lost
vs Toro Henao, Juan Sebastian (1798)
Benko Gambit
Oct 2012
→
Lost
vs Torres, Saulo De Jesus (1899)
Sicilian Defense: Closed
Oct 2012
→
Won
vs Cespedes Galindo, Estefania (1789)
Sicilian Defense: Kan Variation, Wing Attack
Oct 2012
→