John Costello

IOM · FIDE rating 1832 · rapid 1820 · born 1966

Record: 3½/8 (+3 =1 −4), performance 1839

Openings played

• B00 Pirc Defense as black (2)
• A05 Zukertort Opening as black (1)
• A06 Nimzo-Larsen Attack: Classical Variation as black (1)
• D96 Grünfeld Defense: Russian Variation as black (1)
• D08 Queen's Gambit Declined: Albin Countergambit as white (1)
• D31 Semi-Slav Defense: Noteboom Variation as white (1)
• E12 Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense as white (1)

Games

• John Costello (1832) – Marc Delrieu (1564) 1/2-1/2 game
• Mohamed Abdou (1806) – John Costello (1832) 0-1 game
• Ngwenya Kwanele Mangaliso (1694) – John Costello (1832) 0-1 game
• John Costello (1832) – Jerome MBOULA MBOUMBA (1812) 0-1 game
• IM Orlando Husbands (2222) – John Costello (1832) 1-0 game
• FM Sai Han Thiha (2099) – John Costello (1832) 1-0 game
• Roger Rashid Canto – John Costello (1832) 0-1 game
• John Costello (1832) – CM Georgijs Germanovs (2389) 0-1 game