ChessBinder

John Costello

John Costello has a rating of 1832 in the most recent games stored here. ChessBinder has 10 games of John Costello, played on 9 September 2026. The most recent is a win with Black against Roger Rashid Canto in Round 2 of 46th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 88+, on 9 September 2026.

Games from the events ChessBinder has covered since 4 October 2026, and from the Lichess broadcast database since 5 January 2020.

In these games

Games
10
Won
3
Drawn
1
Lost
6

Games

  1. Won0–1as Blackagainst Canto, Roger Rashid46th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 88+, Round 2 · Pirc DefenseReplay the game against Canto, Roger Rashid
  2. Lost0–1as Whiteagainst Henry Marwa Michael180746th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 63-87, Round 10 · King's Indian Defense: Normal Variation, Rare DefensesReplay the game against Henry Marwa Michael
  3. Lost1–0as BlackagainstFM Kabamwanishi, Mashala194046th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 63-87, Round 11 · Scandinavian Defense: Main Line, Mieses VariationReplay the game against Kabamwanishi, Mashala
  4. Lost1–0as BlackagainstIM Husbands, Orlando222246th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 63-87, Round 5 · Pirc DefenseReplay the game against Husbands, Orlando
  5. Drew½–½as Whiteagainst Delrieu, Marc156446th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 88+, Round 9 · Queen's Gambit Declined: Albin CountergambitReplay the game against Delrieu, Marc
  6. Lost0–1as Whiteagainst MBOULA MBOUMBA, Jerome181246th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 63-87, Round 6 · Semi-Slav Defense: Noteboom VariationReplay the game against MBOULA MBOUMBA, Jerome
  7. Lost0–1as WhiteagainstCM Germanovs, Georgijs238946th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 38-62, Round 1 · Queen's Indian Defense: Kasparov-Petrosian Variation, Marco DefenseReplay the game against Germanovs, Georgijs
  8. Won0–1as Blackagainst Abdou, Mohamed180646th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 63-87, Round 8 · Grünfeld Defense: Russian VariationReplay the game against Abdou, Mohamed
  9. Lost1–0as BlackagainstFM Sai Han Thiha209946th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 63-87, Round 3 · Zukertort OpeningReplay the game against Sai Han Thiha
  10. Won0–1as Blackagainst Ngwenya Kwanele Mangaliso169446th FIDE Chess Olympiad Samarkand 2026 | Open | Matches 88+, Round 7 · Nimzo-Larsen Attack: Classical VariationReplay the game against Ngwenya Kwanele Mangaliso