Den Hartog, Marijn vs Peyrer, Konstantin - Round 1: Den Hartog, Marijn - Peyrer, Konstantin - 2026.07.21

Den Hartog, Marijn's games

2026.07.24 vs Habig, Bryan 2026.07.23 vs Harshavardhan G B 2026.07.22 vs Lu, Yunong Elias 2026.07.21 vs Peyrer, Konstantin 2026.07.19 vs Schoorl, Rob 2026.07.18 vs Dovgaliuk, Oleksandr 2026.07.17 vs Brienen, Jacob 2026.07.15 vs De Boer, Eelke 2026.07.14 vs Bosboom, Manuel 2026.07.12 vs Andringa, Arjo 2026.07.10 vs Albers, Sasa 2026.05.24 vs Simenon, Jozef 2026.05.24 vs Kamphuis, Jasper 2026.05.24 vs Terlouw, Wouter 2026.05.24 vs Van der Werf, Mark 2026.05.24 vs Slagboom, Leandro 2026.05.24 vs Ootes, Lars 2026.05.23 vs De Boer, Eelke 2026.05.23 vs Jellema, Pieter 2026.05.23 vs Grooten, Tommy 2026.05.23 vs Aravindhan, Achyuth 2026.05.23 vs Grochal, Joey 2026.05.23 vs Bekker, Stefan 2026.05.23 vs Pel, Bonno 2025.06.06 vs Dann, Matthias 2025.04.18 vs Roshka, Yevgeniy

Event	Round 1: Den Hartog, Marijn - Peyrer, Konstantin
Site	https://lichess.org/broadcast/dutch-open-2026-dutch-open/round-1/WR5FBHtR/4lRd8aIc
Date	2026.07.21
Round	1.4
White	Den Hartog, Marijn
Black	Peyrer, Konstantin
Result	0-1
WhiteElo	2209
WhiteFideId	1046098
BlackElo	2496
BlackTitle	IM
BlackFideId	1640879
Variant	Standard
ECO	A05
Opening	King's Indian Attack: Symmetrical Defense
UTCDate	2026.07.21
UTCTime	10:52:50
BroadcastName	Dutch Open 2026 - Dutch Open
BroadcastURL	https://lichess.org/broadcast/dutch-open-2026-dutch-open/round-1/WR5FBHtR
GameURL	https://lichess.org/broadcast/dutch-open-2026-dutch-open/round-1/WR5FBHtR/4lRd8aIc

Engine eval --

0-1

Den Hartog, Marijn

2 blunders

4 mistakes

3 inaccuracies

84% accuracy

Peyrer, Konstantin

2 blunders

0 mistakes

1 inaccuracy

89% accuracy