Chiel Koster

8

Games

2

Wins

1

Draws

5

Losses

31%

Score

Peak rating—

Latest rating—

First seenJul 25, 2023

Last seenAug 2, 2023

Recent games

Date	White	Result	Black	Event	Opening
Aug 2, 2023	Johan Op den Dries	1–0	Chiel Koster	Round 8: Johan Op den Dries - Chiel Koster	Sicilian Defense: Grand Prix Attack
Aug 1, 2023	Chiel Koster	0–1	Tjark Vos	Round 7: Chiel Koster - Tjark Vos	Bishop's Opening: Berlin Defense
Jul 31, 2023	Rick Duijker	1–0	Chiel Koster	Round 6: Rick Duijker - Chiel Koster	Hungarian Opening: Sicilian Invitation
Jul 29, 2023	Chiel Koster	1–0	Jakob Weidemann	Round 5: Chiel Koster - Jakob Weidemann	Sicilian Defense: Four Knights Variation, Cobra Variation
Jul 28, 2023	Sascha Kurt	½–½	Chiel Koster	Round 4: Sascha Kurt - Chiel Koster	Sicilian Defense: Mengarini Variation
Jul 27, 2023	Chiel Koster	0–1	Eelke De Boer	Round 3: Chiel Koster - Eelke De Boer	Polish Opening
Jul 26, 2023	William Shakhverdian	0–1	Chiel Koster	Round 2: William Shakhverdian - Chiel Koster	Catalan Opening: Open Defense
Jul 25, 2023	Chiel Koster	0–1	Nick Maatman	Round 1: Chiel Koster - Nick Maatman	French Defense: Exchange Variation