The good & the bad
Best wins
Moreno, P. (Paulo)
1830
12731 Haarlem Open Groep A · Wednesday 1 April 2026
14013 HSG Open 2026 Groep C · Friday 19 June 2026
13785 51e Open Kampioenschap van Utrecht Groep D · Saturday 16 May 2026
13785 51e Open Kampioenschap van Utrecht Groep D · Friday 15 May 2026
Duin, J. (Jeroen)
1633
14013 HSG Open 2026 Groep C · Sunday 21 June 2026
Worst losses
Muter, T. (Tim)
1355
13978 SGA Rapidcompetitie 2026 4e Klasse voorronde · Wednesday 20 May 2026
Cornelis, Werner
1565
Ghent FIDE Weekender Minor 2026 · Friday 29 May 2026
Dam, M. (Maria)
1576
13985 SGA Rapidcompetitie 2026 4e Klasse finale · Thursday 11 June 2026
Singh, H. (Harman)
1600
13985 SGA Rapidcompetitie 2026 4e Klasse finale · Thursday 11 June 2026
12731 Haarlem Open Groep A · Thursday 16 April 2026
Team Competition
Current team
Viertallen · 2025-2026 · 3 games
Rating History
Peak Ratings
Classic
1581
June 1, 2026
Rapid
1563
Oct. 1, 2026
Blitz
1553
April 1, 2026
Games
Wins
15
Losses
19
Draws
0
Win Rate
44%
Performance by Color
| Color | Wins | Draws | Losses | Win Rate |
|---|---|---|---|---|
| White | 7 | 0 | 10 | 41% |
| Black | 8 | 0 | 9 | 47% |
Recent KNSB Matches
Midem, Ali Canel
(1643)
Friday 19 June 2026
LOSS
-22.4
Van De Kelder, Yves
(1631)
Sunday 31 May 2026
LOSS
-27.3
De Caluwe, Gerard
(1464)
Saturday 30 May 2026
WIN
+22.9
Cornelis, Werner
(1565)
Friday 29 May 2026
LOSS
-33.3