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Player Profile

Player:

(Eg: Carlsen,Magnus)

Perez, William



FIDE:	FIDE Card
Years:	1997-2025
Number of games:	114
Number of wins:	53
Number of draws:	19
Number of losses:	42
White score:	32/58 (55.17% - Average Elo: 1863.03)
Black score:	30½/56 (54.46% - Average Elo: 1878.22)

Rating progression

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

Top wins

Perez, William - Alexopoulos, Georgios (2240), US Open-98, Kissimmee (A12) - 1997

Perez, William (1958) - Torres Cueto, Jesus Marcial (2086), Feria de las Flores 28th, Medellin (A04) - 2021

Perez, William (1958) - Alvarez Angel, Nelson Eduardo (2078), Feria de las Flores 28th, Medellin (A37) - 2021

Araque, Rafael (2243) - Perez, William (2001), Manizales Las Americas op-A, Manizales (A57) - 2021

Ossa, Orlando Jose (2193) - Perez, William (1910), Manizales op 28th, Manizales (B13) - 2023

Ortiz Q, Johnny Alexander (2192) - Perez, William (2001), Manizales Las Americas op-A, Manizales (B13) - 2021

Perez, William - ? (57)

Matta, Paola Andrea (1/2)

Acosta Angulo, Mariana Valentina (1/1)

Alexopoulos, Georgios (1/1)

Alvarez Angel, Nelson Eduardo (1/1)

Argote Heredia, Valentina (0/1)

Arroyave, Jhon Jairo (1/1)

Avila, Edgar (1/1)

Bedoya Escudero, Helmer De Jesus (1/1)

Bohorquez Gutierrez, Daniel (1/1)

Borre Meza, Orlando David (1/1)

Campos Gomez, Manuel (0/1)

Cuervo, Andres Felipe (½/1)

Cuervo, Victor Manuel (0/1)

Diaz Larrea, Juan Manuel (0/1)

Duque Pinzon, Manuel Santiago (1/1)

Echavarria, Johann (0/1)

Escobar Forero, Alder (0/1)

Gallego, Julian Andres (1/1)

Garnier, Rene Augusto (0/1)

Garzon Camelo, Andres Santiago (0/1)

Gomez Viana, Duvan Leandro (1/1)

Gonzalez Lopez, Nicolas Mateo (0/1)

Gutierrez, Jhon Jaime (0/1)

Hernandez, Stefano (½/1)

Hurtado Paez, Andres Jesus (1/1)

Llano Colorado, Kriss Nicolle (1/1)

Martinez, Lorenzo Julio (1/1)

Mateus, Alejandro (½/1)

Mateus, Martha (½/1)

Meneses Arteaga, Javier Mauricio (1/1)

Molano, Walter Rene (1/1)

Molina Ballesteros, Juan Sebastian (0/1)

Montilla Reyes, Jorcerys (0/1)

Montoya, Duvan (1/1)

Moreno Marino, Juan Nicolas (1/1)

Narvaez Ramirez, Faber Alberto (½/1)

Negron Lizarazo, Juan Sebastian (1/1)

Ortiz Monsalve, Sebastian (1/1)

Ospina Betancur, Santiago (0/1)

Palencia Morales, Wilson Guillermo (0/1)

Payares Diaz, Alejandro (1/1)

Pelaez De la Cruz, Angel David (1/1)

Pinillo Canon, Silvana (½/1)

Ramirez, Benjamin Dario (0/1)

Rosas Valdes, Javier Alfonso (1/1)

Rosero Zapata, Luis Fernando (½/1)

Schnell, Sebastian Narayana (0/1)

Sierra Mejia, Juan Pablo (0/1)

Tapia Varela, Luany Anabel (1/1)

Toro Castaneda, Miguel Angel (0/1)

Torres Cueto, Jesus Marcial (1/1)

Torres, Juan Camilo (0/1)

Vallejo, Humberto (1/1)

Varela Sanchez, David Yoel (1/1)

Ynojosa Aponte, Felix Jose (0/1)

Zapata Cuartas, Juan Carlos (½/1)

Zuniga, Eddy Andres (0/1)

? - Perez, William (54)

Cuervo Velasquez, Juan Manuel (½/2)

Ruiz Agudelo, Jeronimo (1½/2)

Acevedo Blandon, Brahian (1/1)

Acosta Angulo, Mariana Valentina (1/1)

Almanza Montoya, Joseph (1/1)

Aponte Castillo, Jose Ernesto (0/1)

Araque, Rafael (1/1)

Aristizabal Valencia, Matias (1/1)

Arribas Robaina, Maritza (0/1)

Badillo, Julio Cesar (1/1)

Berenstein, Gustavo (1/1)

Betancourt Giraldo, David Rogelio (½/1)

Cabrales Almanza, Josue Ricardo (0/1)

Carrillo Marval, Maria Angelica (½/1)

Carrillo Parra, Miguel Alfredo (0/1)

Castano, Saray (1/1)

Chirivi Castiblanco, Jenny Astrid (0/1)

Cuesta Cifuentes, Jair Alfonso (0/1)

Dabraccio, Guillermo (1/1)

Diaz Gonzalez, Ana Sofia (1/1)

Gallon Ramirez, Tomas (1/1)

Giraldo, Marco (0/1)

Gonzalez Velasco, Leandro (½/1)

Guzman, River (0/1)

Hernandez Jimenez, Jeronimo (0/1)

Hernandez Montes, Jhon Sebastian (0/1)

Hernandez, Juan Esteban (0/1)

Hurtado Henao, Pablo (0/1)

Idarraga, Oscar Alonso (1/1)

Jaimes, Fredy Alexander (0/1)

Jaramillo Daza, David (1/1)

Juarez Flores, Gustavo Enrique (1/1)

Leon Acevedo, Juan Alejandro (½/1)

Londono, Miguel Angel (1/1)

Lopez Ramirez, David Santiago (0/1)

Mendez Ramirez, Victor (½/1)

Molano, Walter Rene (1/1)

Molina Ballesteros, Juan Sebastian (½/1)

Munoz Galvez, Jhon Edison (0/1)

Narvaez Berrio, Alexander (1/1)

Ortiz Q, Johnny Alexander (1/1)

Ossa, Orlando Jose (1/1)

Palma Villanueva, Miguel Tadeo (0/1)

Pazos Gambarrotti, Plinio Efrain (0/1)

Prieto, Ernesto (1/1)

Ramirez, Benjamin Dario (½/1)

Rojas Martinez, Alexander (½/1)

Rueda Diaz, Pablo (1/1)

Rueda Rojas, Richard Alejandro (0/1)

Ruiz Jaraba, Valentina Sofia (1/1)

Soto, Cristian Camilo (0/1)

Trujillo, Luis Angel (1/1)

Uribe Valencia, Victor Alexis (½/1)

Velez Alvarez, Laura Camila (1/1)

Openings played as White (34)

A30 English, Symmetrical (1.c4 c5)
Average Elo: 1888.6
Result: 1/5 = 20%

A34 English, Symmetrical (1.c4 c5 2.Nc3)
Average Elo: 1600
Result: 4/4 = 100%

A22 English (1.c4 e5 2.Nc3 Nf6)
Average Elo: 1919.75
Result: 3/4 = 75%

A12 English with b3 (1.c4 c6 2.Nf3 d5 3.b3)
Average Elo: 1845.67
Result: 2½/3 = 83.33%

A37 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 2183
Result: 1½/3 = 50%

A06 Reti Opening (1.Nf3 d5)
Average Elo: 1546.33
Result: 3/3 = 100%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 1849.33
Result: 1/3 = 33.33%

B10 Caro-Kann (1.e4 c6)
Average Elo: 2125
Result: 1/2 = 50%

E61 King's Indian (1.d4 Nf6 2.c4 g6 3.Nc3)
Average Elo: 1979
Result: ½/2 = 25%

D05 Queen's Pawn Game (1.d4 d5 2.Nf3 Nf6 3.e3 e6)
Average Elo: 1816.5
Result: 1½/2 = 75%

A25 English (1.c4 e5 2.Nc3 Nc6)
Average Elo: 1586.5
Result: 2/2 = 100%

A26 English (1.c4 e5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.d3 d6)
Average Elo: 1780.5
Result: 1/2 = 50%

A04 Reti Opening (1.Nf3)
Average Elo: 2239.5
Result: 1/2 = 50%

B21 Sicilian, 2.f4 and 2.d4 (1.e4 c5 2.f4)
Average Elo: 1489
Result: 1/1 = 100%

E46 Nimzo-Indian (1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.e3 O-O)
Average Elo: 1289
Result: 1/1 = 100%

A18 English, Mikenas-Carls (1.c4 Nf6 2.Nc3 e6 3.e4)
Average Elo: 1490
Result: 1/1 = 100%

E14 Queen's Indian (1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.e3)
Average Elo: 1818
Result: 0/1 = 0%

A21 English (1.c4 e5 2.Nc3)
Average Elo: 2288
Result: 0/1 = 0%

D34 Queen's Gambit Declined, Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7)
Average Elo: 2459
Result: 0/1 = 0%

A23 English, Bremen System, Keres Variation (1.c4 e5 2.Nc3 Nf6 3.g3 c6)
Average Elo: 2099
Result: 0/1 = 0%

A29 English, Four Knights, Kingside Fianchetto (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6 4.g3)
Average Elo: 1757
Result: 1/1 = 100%

A84 Dutch (1.d4 f5 2.c4)
Average Elo: 1859
Result: 0/1 = 0%

D00 Queen's Pawn Game (1.d4 d5)
Average Elo: 1600
Result: 1/1 = 100%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 1300
Result: 1/1 = 100%

A53 Old Indian (1.d4 Nf6 2.c4 d6)
Average Elo: 2136
Result: 0/1 = 0%

D79 Neo-Grunfeld, 6.O-O, Main line (1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.cxd5 cxd5)
Average Elo: 2050
Result: 1/1 = 100%

A15 English (1.c4 Nf6)
Average Elo: 2093
Result: ½/1 = 50%

A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo: 1723
Result: 1/1 = 100%

A87 Dutch, Leningrad, Main Variation (1.d4 f5 2.c4 Nf6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 1716
Result: 0/1 = 0%

A28 English (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6)
Average Elo: 2331
Result: 0/1 = 0%

A39 English, Symmetrical, Main line with d4 (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3 Nf6 6.O-O O-O 7.d4)
Average Elo: 2173
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: 1911
Result: ½/1 = 50%

E60 King's Indian Defense (1.d4 Nf6 2.c4 g6)
Average Elo: 1823
Result: 0/1 = 0%

Uncommon Opening (1.g4, a3, h3, etc.)
Average Elo: 1803
Result: 0/1 = 0%

Openings played as Black (33)

B19 Caro-Kann, Classical (1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7)
Average Elo: 1845.67
Result: 3½/6 = 58.33%

B13 Caro-Kann, Exchange (1.e4 c6 2.d4 d5 3.exd5 cxd5)
Average Elo: 1957.83
Result: 3½/6 = 58.33%

B12 Caro-Kann Defense (1.e4 c6 2.d4)
Average Elo: 2070
Result: 2/3 = 66.67%

A36 English (1.c4 c5 2.Nc3 Nc6 3.g3)
Average Elo: 1874.33
Result: 1/3 = 33.33%

D00 Queen's Pawn Game (1.d4 d5)
Average Elo: 1465.5
Result: 2½/3 = 83.33%

B15 Caro-Kann (1.e4 c6 2.d4 d5 3.Nc3)
Average Elo: 1919
Result: 1½/3 = 50%

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: 2087.5
Result: ½/2 = 25%

A30 English, Symmetrical (1.c4 c5)
Average Elo: 2038
Result: 0/2 = 0%

B10 Caro-Kann (1.e4 c6)
Average Elo: 1840
Result: 2/2 = 100%

A37 English, Symmetrical (1.c4 c5 2.Nc3 Nc6 3.g3 g6 4.Bg2 Bg7 5.Nf3)
Average Elo: 1760
Result: 0/2 = 0%

B21 Sicilian, 2.f4 and 2.d4 (1.e4 c5 2.f4)
Average Elo: 1585
Result: 2/2 = 100%

C41 Philidor Defense (1.e4 e5 2.Nf3 d6)
Average Elo: 1867
Result: ½/1 = 50%

D96 Grunfeld, Russian Variation (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3)
Average Elo: 2097
Result: 0/1 = 0%

D71 Neo-Grunfeld (1.d4 Nf6 2.c4 g6 3.g3 d5)
Average Elo: 1838
Result: ½/1 = 50%

A57 Benko Gambit (1.d4 Nf6 2.c4 c5 3.d5 b5)
Average Elo: 2243
Result: 1/1 = 100%

B18 Caro-Kann, Classical (1.e4 c6 2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5)
Average Elo: 2203
Result: ½/1 = 50%

D02 Queen's Pawn Game (1.d4 d5 2.Nf3)
Average Elo: 2078
Result: ½/1 = 50%

B20 Sicilian (1.e4 c5)
Average Elo: 1678
Result: ½/1 = 50%

E60 King's Indian Defense (1.d4 Nf6 2.c4 g6)
Average Elo: 2191
Result: 0/1 = 0%

B22 Sicilian, Alapin (1.e4 c5 2.c3)
Average Elo: 1356
Result: 1/1 = 100%

D85 Grunfeld (1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.cxd5 Nxd5)
Average Elo: 2088
Result: 0/1 = 0%

D41 Queen's Gambit Declined, Semi-Tarrasch (1.d4 d5 2.c4 e6 3.Nc3 Nf6 4.Nf3 c5 5.cxd5)
Average Elo: 1540
Result: 1/1 = 100%

B27 Sicilian (1.e4 c5 2.Nf3)
Average Elo: 1524
Result: 1/1 = 100%

A49 King's Indian, Fianchetto without c4 (1.d4 Nf6 2.Nf3 g6 3.g3)
Average Elo: 1632
Result: 1/1 = 100%

E11 Bogo-Indian Defense (1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+)
Average Elo: 2292
Result: 0/1 = 0%

B11 Caro-Kann, Two Knights, 3...Bg4 (1.e4 c6 2.Nc3 d5 3.Nf3 Bg4)
Average Elo: 1780
Result: ½/1 = 50%

A28 English (1.c4 e5 2.Nc3 Nc6 3.Nf3 Nf6)
Average Elo: 1750
Result: 0/1 = 0%

A45 Queen's Pawn Game (1.d4 Nf6)
Average Elo: 2280
Result: 0/1 = 0%

A25 English (1.c4 e5 2.Nc3 Nc6)
Average Elo: 1814
Result: 0/1 = 0%

A22 English (1.c4 e5 2.Nc3 Nf6)
Average Elo: 0
Result: 1/1 = 100%

B23 Sicilian, Closed (1.e4 c5 2.Nc3)
Average Elo: 1690
Result: 1/1 = 100%

B40 Sicilian (1.e4 c5 2.Nf3 e6)
Average Elo: 1747
Result: 1/1 = 100%

B14 Caro-Kann, Panov-Botvinnik Attack (1.e4 c6 2.d4 d5 3.exd5 cxd5 4.c4 Nf6 5.Nc3 e6)
Average Elo: 1773
Result: 1/1 = 100%