Mostyn, Gregory vs Heidenfeld, Mark - Round 11: Mostyn, Gregory - Heidenfeld, Mark - 2026.08.23

Heidenfeld, Mark's games

2026.08.23 vs Mostyn, Gregory 2026.08.23 vs Brennan, Henry 2026.08.23 vs Fernandez, Michael 2026.08.23 vs Varghese, David 2026.08.23 vs Kumar, Sanjit S 2026.08.23 vs Sagues, Vincent 2026.08.23 vs Zhao, George 2026.08.23 vs Sahoo, Shivam 2026.08.23 vs Burnton, Joshua 2026.08.23 vs Marks, Jon 2026.08.23 vs Frydman-Orsteen, Oscar 2024.03.03 vs Mueller, Ralf 2024.01.21 vs Strunski, Andreas 2023.12.10 vs Bergner, Philipp 2023.11.12 vs Kocharin, Timur 2023.11.12 vs Albert, Markus 2023.11.11 vs Schulz, Karsten 2023.11.11 vs Sydykov, Bayastan 2023.11.11 vs Pieper, Thomas, Dr. 2023.09.17 vs Hartmann, Martin

Event	Round 11: Mostyn, Gregory - Heidenfeld, Mark
Site	https://lichess.org/broadcast/2026-mind-sports-olympiad-london-rapid-blitz-sun/round-11/HDGqDuXn/q02slBRY
Date	2026.08.23
Round	11.22
White	Mostyn, Gregory
Black	Heidenfeld, Mark
Result	1/2-1/2
WhiteElo	1767
WhiteFideId	450570
BlackElo	2298
BlackTitle	IM
BlackFideId	2500990
TimeControl	5+0
Variant	Standard
ECO	C11
Opening	French Defense: Classical Variation, Delayed Exchange Variation
UTCDate	2026.08.23
UTCTime	20:12:42
BroadcastName	2026 Mind Sports Olympiad London Rapid - Blitz (Sun)
BroadcastURL	https://lichess.org/broadcast/2026-mind-sports-olympiad-london-rapid-blitz-sun/round-11/HDGqDuXn
GameURL	https://lichess.org/broadcast/2026-mind-sports-olympiad-london-rapid-blitz-sun/round-11/HDGqDuXn/q02slBRY

Engine eval --

1/2-1/2

Mostyn, Gregory

2 blunders

3 mistakes

6 inaccuracies

84% accuracy

Heidenfeld, Mark

3 blunders

1 mistake

4 inaccuracies

82% accuracy