DC
Diederick Casteleijn
RIVALRY
Not enough games to determine rivalries yet.
The good & the bad
Best wins
KOOIJMANS, J. (JERMO)
(FM)
2322
6232 KNSB competitie 2022-2023 Klasse 1 ronde 5 · Saturday 17 December 2022
DUGAROV, A. (ALEXEI)
2184
9433 KNSB competitie 2024-2025 Klasse 1 ronde 1 · Saturday 21 September 2024
9247 Persoonlijk Kampioenschap RSB/RSB Open 2024 Groep A · Friday 30 August 2024
JONGSTE, D. (DAVID)
2150
12988 KNSB competitie 2025-2026 Klasse 1 ronde 7 · Saturday 7 February 2026
10492 KNSB competitie 2024-2025 Klasse 1 ronde 6 · Saturday 8 February 2025
Worst losses
JESELSON, ANDREW
1858
34th NATO Chess Championship 2024 · Wednesday 23 October 2024
SZAFRANSKI, MACIEJ
1860
35th NATO Chess Championship 2025 · Thursday 21 August 2025
GHITA, VLAD-BOGDAN
1872
Open Leuven 2023 · Thursday 9 November 2023
FILIPOW, MATEUSZ
1875
35th NATO Chess Championship 2025 · Tuesday 19 August 2025
HOOGLAND, B. (BAUKE)
1893
7920 RSB Competitie 2023-2024 Beker ronde 1 · Saturday 4 November 2023
KNSB competitie 2025-2026 KNSB Beker ronde 2 voor januari rating
Saturday 20 September 2025
+1–0=0
+12.4
KNSB competitie 2024-2025 KNSB Beker ronde 2 voor januarilijst
Saturday 21 September 2024
+0–0=1
+0.9
Rating History
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Peak Ratings
Classic
2146
May 1, 2025
Rapid
2133
March 1, 2026
Blitz
2133
March 1, 2026
Games
Wins
56
Losses
28
Draws
27
Win Rate
50%
Performance by Color
| Color | Wins | Draws | Losses | Win Rate |
|---|---|---|---|---|
| White | 26 | 16 | 12 | 48% |
| Black | 30 | 11 | 16 | 53% |
Recent Matches
Risk, Gregory
(1826)
Friday 22 August 2025
WIN
+3.1
Bradley, William
(1810)
Thursday 21 August 2025
WIN
+2.8
Szafranski, Maciej
(1860)
Thursday 21 August 2025
LOSS
-19.2
Korge, Kersti
(1836)
Wednesday 20 August 2025
WIN
+3.2
Filipow, Mateusz
(1875)
Tuesday 19 August 2025
LOSS
-18.9
Jeselson, Andrew
(1930)
Tuesday 19 August 2025
LOSS
-17.6