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Player Profile

Player:

(Eg: Carlsen,Magnus)

Rosero, Jefferson



FIDE:	FIDE Card
Years:	2008-2016
Number of games:	70
Number of wins:	36
Number of draws:	7
Number of losses:	27
White score:	23/34 (67.65% - Average Elo: 1853.19)
Black score:	16½/36 (45.83% - Average Elo: 1995.22)

Rating progression

Games
White wins
White draws
White losses
Black wins
Black draws
Black losses

Top wins

Rosero, Jefferson (2023) - Jimenez Garcia, Emanuel (2210), Pan American-ch U18, Cali (B41) - 2015

Rosero, Jefferson (1925) - Torres Rojas, Yuber Andres (2022), COL-ch U18, Bogota (C50) - 2015

Rosero, Jefferson - Gonzalez, Andres Felipe (1962), Cartago CupT, Cartago (B36) - 2011

Bobadilla Viera, Jorge Samuel (2169) - Rosero, Jefferson (2023), Pan American-ch U18, Cali (A43) - 2015

Suarez Ohiggins, Luis (2054) - Rosero, Jefferson (2023), Pan American-ch U18, Cali (E61) - 2015

Plazas, Alfonso (1988) - Rosero, Jefferson (2120), Cali Region-ch, Cali (A34) - 2016

Rosero, Jefferson - ? (34)

Agudelo, Pedro Luis (1/1)

Barrera Hincapie, Felipe (1/1)

Bejar Caceres, Brayan Daniel (1/1)

Bocanegra Acosta, Erick (0/1)

Borrego Estupinan, Luis Francisco (1/1)

Castano Orrego, Simon (1/1)

Castro, Jairo Antonio (0/1)

Cespedes Galindo, Estefania (1/1)

Correa, Daniel (1/1)

Cuervo, Andersson (1/1)

Delgado, Harold (1/1)

Echeverry, Jose Miguel (1/1)

Esquivel, Duvan (1/1)

Gil, Ever Andres (0/1)

Gonzalez Lopez, Nicolas Mateo (0/1)

Gonzalez, Andres Felipe (1/1)

Jimenez Garcia, Emanuel (1/1)

Mercado Pena, Jorge Esteban (1/1)

Mesa, Brenda Sofia (0/1)

Minotta, Rosney (1/1)

Norena, Wilder (1/1)

Olarte Parra, Jhoan Sebastian (0/1)

Olaya, Jose David (1/1)

Palechor, Andres Fernando (1/1)

Polanco, Brayan Arley (1/1)

Posada, Juan Manuel (0/1)

Rodriguez, German Enrique (0/1)

Rosales, Daniel (0/1)

Salamanca, Juan David (1/1)

Salcedo, Pablo Esteban (1/1)

Squella Lavin, Carlos Felipe (½/1)

Torres Rojas, Yuber Andres (1/1)

Villegas, Franco (0/1)

Zuleta, Juan Carlos (½/1)

? - Rosero, Jefferson (36)

Acosta, Pablo Ismael (0/1)

Alvarez, Juan Evangelista (1/1)

Arias Monsalve, Andres Felipe (1/1)

Becerra, Manuel Santiago (0/1)

Bedoya, Gustavo (1/1)

Belalcazar, Mateo (½/1)

Bobadilla Viera, Jorge Samuel (1/1)

Castro Rey, Yehiver Alexis (0/1)

Cofre Archibold, Nestor (0/1)

Cuellar, Diego (0/1)

De la Rosa Povea, Miguel Angel (1/1)

Echavarria Ramirez, Juan Diego (0/1)

Echeverry, Alejandra (1/1)

Escalante Ramirez, Brian Sebastian (½/1)

Gomez Rondon, Samuel (1/1)

Gonzalez, Andres Felipe (0/1)

Londono, Juan Jose (0/1)

Morales, Jhon Alexander (0/1)

Navia Alvarez, Edwin Adrian (0/1)

Obando Guzman, Soren Federico (1/1)

Olarte Parra, Jhoan Sebastian (½/1)

Oliva Meneses, Juan Carlos (0/1)

Pena Escobar, Cristian Camilo (1/1)

Plazas, Alfonso (1/1)

Quinonez Garcia, Santiago (0/1)

Rodriguez, German Enrique (1/1)

Ruiz Castillo, Joshua Daniel (0/1)

Salcedo, Pablo Esteban (0/1)

Suarez Ohiggins, Luis (1/1)

Toro Henao, Juan Sebastian (0/1)

Torres, Saulo de Jesus (0/1)

Valenzuela Martinez, Hermes (½/1)

Vazquez, Guillermo (0/1)

Villamil, Nahum Jose (1/1)

Viveros, Mariana Yibeth (1/1)

Zuleta, Juan Esteban (½/1)

Openings played as White (24)

B76 Sicilian, Dragon, Yugoslav Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O)
Average Elo: 1821.33
Result: 2/3 = 66.67%

B90 Sicilian, Najdorf (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6)
Average Elo: 1827.67
Result: 2/3 = 66.67%

C16 French, Winawer (1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5)
Average Elo: 2030
Result: 1½/3 = 50%

C89 Ruy Lopez, Marshall (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O Be7 6.Re1 b5 7.Bb3 O-O 8.c3 d5)
Average Elo: 1870
Result: 1/2 = 50%

C74 Ruy Lopez, Modern Steinitz Defense (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 d6 5.c3)
Average Elo: 1400
Result: 1/2 = 50%

B32 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 e5)
Average Elo: 2138
Result: 1/2 = 50%

B41 Sicilian, Kan (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6)
Average Elo: 2210
Result: 2/2 = 100%

B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo: 1982
Result: 0/1 = 0%

C78 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Ba4 Nf6 5.O-O)
Average Elo: 1400
Result: 1/1 = 100%

B55 Sicilian, Prins Variation, Venice Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.f3 e5 6.Bb5+)
Average Elo: 1382
Result: 1/1 = 100%

C21 Center Game (1.e4 e5 2.d4 exd4)
Average Elo: 0
Result: 1/1 = 100%

B45 Sicilian, Taimanov (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 Nc6 5.Nc3)
Average Elo: 0
Result: 0/1 = 0%

B38 Sicilian, Accelerated Fianchetto, Maroczy Bind, 6.Be3 (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4 Bg7 6.Be3)
Average Elo: 0
Result: 0/1 = 0%

C60 Ruy Lopez (1.e4 e5 2.Nf3 Nc6 3.Bb5)
Average Elo: 0
Result: 1/1 = 100%

B36 Sicilian, Accelerated Fianchetto (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4 g6 5.c4)
Average Elo: 1962
Result: 1/1 = 100%

B43 Sicilian, Kan, 5.Nc3 (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Nc3)
Average Elo: 1789
Result: 1/1 = 100%

E91 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3 O-O 6.Be2)
Average Elo: 1850
Result: 1/1 = 100%

B42 Sicilian, Kan (1.e4 c5 2.Nf3 e6 3.d4 cxd4 4.Nxd4 a6 5.Bd3)
Average Elo: 1860
Result: ½/1 = 50%

C18 French, Winawer (1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3)
Average Elo: 1739
Result: 1/1 = 100%

B50 Sicilian (1.e4 c5 2.Nf3 d6)
Average Elo: 2027
Result: 0/1 = 0%

C50 Giuoco Piano (1.e4 e5 2.Nf3 Nc6 3.Bc4 Bc5)
Average Elo: 2022
Result: 1/1 = 100%

B06 Robatsch (1.e4 g6)
Average Elo: 1906
Result: 1/1 = 100%

C00 French Defense (1.e4 e6)
Average Elo: 1869
Result: 1/1 = 100%

B01 Scandinavian (1.e4 d5)
Average Elo: 1740
Result: 1/1 = 100%

Openings played as Black (23)

B01 Scandinavian (1.e4 d5)
Average Elo: 1959
Result: 1/4 = 25%

B33 Sicilian (1.e4 c5 2.Nf3 Nc6 3.d4 cxd4 4.Nxd4)
Average Elo: 1980.25
Result: 2½/4 = 62.5%

A00 Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 0
Result: 2/2 = 100%

A58 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6)
Average Elo: 2083
Result: 0/2 = 0%

B79 Sicilian, Dragon, Yugoslav Attack, 12.h4 (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3 O-O 8.Qd2 Nc6 9.Bc4 Bd7 10.O-O-O Qa5 11.Bb3 Rfc8 12.h4)
Average Elo: 1733
Result: 2/2 = 100%

A43 Old Benoni (1.d4 c5)
Average Elo: 2050.5
Result: 2/2 = 100%

B75 Sicilian, Dragon, Yugoslav Attack (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3 Bg7 7.f3)
Average Elo: 2273.5
Result: 0/2 = 0%

A37 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 2365
Result: 0/2 = 0%

B53 Sicilian (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Qxd4)
Average Elo: 2387.5
Result: 0/2 = 0%

C68 Ruy Lopez, Exchange (1.e4 e5 2.Nf3 Nc6 3.Bb5 a6 4.Bxc6)
Average Elo: 1314
Result: 1/1 = 100%

C64 Ruy Lopez, Classical (1.e4 e5 2.Nf3 Nc6 3.Bb5 Bc5)
Average Elo: 1473
Result: 0/1 = 0%

B30 Sicilian (1.e4 c5 2.Nf3 Nc6)
Average Elo: 1962
Result: 0/1 = 0%

B26 Sicilian, Closed, 6.Be3 (1.e4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6 6.Be3)
Average Elo: 0
Result: 1/1 = 100%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 0
Result: 0/1 = 0%

D05 Queen's Pawn Game (1.d4 d5 2.Nf3 Nf6 3.e3 e6)
Average Elo: 0
Result: 0/1 = 0%

B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo: 1899
Result: 0/1 = 0%

A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo: 1798
Result: 0/1 = 0%

B50 Sicilian (1.e4 c5 2.Nf3 d6)
Average Elo: 1956
Result: ½/1 = 50%

B72 Sicilian, Dragon (1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 g6 6.Be3)
Average Elo: 1803
Result: ½/1 = 50%

D30 Queen's Gambit Declined (1.d4 d5 2.c4 e6)
Average Elo: 1959
Result: 1/1 = 100%

E61 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3)
Average Elo: 2054
Result: 1/1 = 100%

E90 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3 Bg7 4.e4 d6 5.Nf3)
Average Elo: 0
Result: 1/1 = 100%

A34 English, Symmetrical (1.c4 c5 2.Nc3)
Average Elo: 1988
Result: 1/1 = 100%