KNSB FIDE
HP

Herman Poortinga

FIDE Tournaments

Amsterdam Chess Festival Dagvierkampen 2026 Groep A Monday 13 July 2026 +0–1=2 +7.7
Tata Steel Chess Tournament 2026 Dagvierkampen Friday 16 January 2026 +0–2=1 +7.2
UniClass Science Park Amsterdam Schaaktoernooi Dagvierkampen Saturday 5 July 2025 +1–1=0 +13.5

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