Costello, John vs Delrieu, Marc - Olymp 2026 Open - 2026.09.25

Costello, John's games

2026.09.27 vs Kabamwanishi, Mashala 2026.09.26 vs Henry Marwa Michael 2026.09.25 vs Delrieu, Marc 2026.09.24 vs Abdou, Mohamed 2026.09.23 vs Ngwenya Kwanele Mangaliso 2026.09.21 vs MBOULA MBOUMBA, Jerome 2026.09.20 vs Husbands, Orlando 2026.09.18 vs Sai Han Thiha 2026.09.17 vs Canto, Roger Rashid 2026.09.16 vs Germanovs, Georgijs

Event	Olymp 2026 Open
Site	Sarmarkand, Uzbekistan
Date	2026.09.25
Round	9.394
White	Costello, John
Black	Delrieu, Marc
Result	1/2-1/2
WhiteElo	1832
WhiteTeam	Isle of Man
WhiteFideId	451819
BlackElo	1564
BlackTeam	Vanuatu
BlackFideId	241000137
Variant	Standard
ECO	D08
Opening	Queen's Gambit Declined: Albin Countergambit
UTCDate	2026.09.25
UTCTime	06:41:37
BroadcastName	46th FIDE Chess Olympiad Samarkand 2026 \| Open \| Matches 88+
BroadcastURL	https://lichess.org/broadcast/46th-fide-chess-olympiad-samarkand-2026-open-matches-88/round-9/6v1ww7QS
GameURL	https://lichess.org/broadcast/46th-fide-chess-olympiad-samarkand-2026-open-matches-88/round-9/6v1ww7QS/YoiI0JtY

Engine eval --

1/2-1/2

Costello, John

1 blunder

0 mistakes

3 inaccuracies

88% accuracy

Delrieu, Marc

2 blunders

1 mistake

3 inaccuracies

89% accuracy