KNSB FIDE
CK

Casper de Koning

Rated since January 2023

1597 Classic
1689 Rapid
1626 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BERNECKER, N. (NIELS) 1862
11788 KC Rapid Rush Groep A · Friday 21 November 2025
TARIGONDA, S.T. (SEYAN) 1851
13294 KC Rapid Rush Groep A · Friday 22 May 2026
BENTUM VAN, A.J. (GUUS) 1723
11788 KC Rapid Rush Groep A · Friday 14 November 2025
SLUIS VAN DER, J.M.H. (JAN) 1713
13228 NHSB-competitie 2025-2026 Klasse 2D t/m 08-03-2026 · Friday 6 March 2026
LINDEMAN, J. (JAN) 1703
13294 KC Rapid Rush Groep A · Friday 29 May 2026
Worst losses
BEN CHERIF, RACHID 1464
13749 Amsterdam Chess Festival 2026 + NK Studenten Klassiek Groep C · Sunday 19 July 2026
NEELAKANTAN, D.N. (DAKSHESH NATHAN) 1580
12731 Haarlem Open Groep A · Tuesday 7 April 2026
GREVEN, S. (STEFAN) 1595
11788 KC Rapid Rush Groep A · Friday 28 November 2025
TARIGONDA, S.T. (SEYAN) 1629
11788 KC Rapid Rush Groep A · Friday 21 November 2025
VERHEIJDEN, C. (CHRIS) 1643
13749 Amsterdam Chess Festival 2026 + NK Studenten Klassiek Groep C · Monday 13 July 2026
Amsterdam Chess Festival 2026 + NK Studenten Klassiek Groep C Saturday 11 July 2026 +3–6=0 -20.3
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +2–0=1 +27.9
KC Rapid Rush Groep A Friday 8 May 2026 +4–3=2 +34.8
Haarlem Open Groep A Friday 6 March 2026 +1–3=0 -8.8
Haarlem Open Groep A Friday 6 March 2026 +1–0=1 +14.2
KC Rapid Rush Groep A Friday 7 November 2025 +4–5=3 +6.3
NHSB-competitie 2025-2026 Klasse 2D t/m 08-03-2026 Monday 1 September 2025 +1–0=0 +16.5
NHSB-competitie 2025-2026 Viertallen D t/m 22-02-2026 Monday 1 September 2025 +0–0=1 -2.8
NHSB-competitie 2025-2026 Klasse 2D t/m 08-02-2026 Monday 1 September 2025 +0–1=0 -2.4
NHSB-competitie 2025-2026 Klasse 2D t/m 14-12-2025 Monday 1 September 2025 +0–1=0 -5.2
NHSB-competitie 2025-2026 Klasse 2D t/m 28-11-2025 Monday 1 September 2025 +0–1=0 -4.8
NHSB-competitie 2025-2026 Klasse 2D t/m 02-11-2025 Monday 1 September 2025 +0–0=1 +5.4

Rating History

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Peak Ratings

Classic 1638 Feb. 1, 2025
Rapid 1689 July 1, 2026
Blitz 1626 April 1, 2026

Games

Wins 16
Losses 20
Draws 9
Win Rate 36%

Performance by Color

Color Wins Draws Losses Win Rate
White 10 5 9 42%
Black 6 4 11 29%

Recent Matches

Ben Cherif, Rachid (1464) Sunday 19 July 2026 LOSS -17.6
Kyllonen, Veikka Saturday 18 July 2026 LOSS
Hattum van, L.L.W. (Lucas) Friday 17 July 2026 LOSS
Haaften van, R. (Rob) (1497) Thursday 16 July 2026 WIN +8.4
Patil, N. (Neev) (1685) Wednesday 15 July 2026 LOSS -10.2
Gooijers, R. (Richard) (1369) Tuesday 14 July 2026 WIN +4.8
Verheijden, C. (Chris) (1643) Monday 13 July 2026 LOSS -11.6
Velden van der, R. (Rens) (1796) Sunday 12 July 2026 LOSS -6.6
Berkelmans, W. (Wim) (1616) Saturday 11 July 2026 WIN +12.5
Bergshoeff, G. (Bert) (1644) Friday 29 May 2026 LOSS -13.7
Lindeman, J. (Jan) (1703) Friday 29 May 2026 WIN +15.1
Dyksinski, P. (Patryk) (1702) Friday 29 May 2026 WIN +15.1
Bentum van, A.J. (Guus) (1736) Friday 22 May 2026 LOSS -10.3
Tuijnman, J. (Jeannot) (1827) Friday 22 May 2026 LOSS -7.2
Tarigonda, S.T. (Seyan) (1851) Friday 22 May 2026 WIN +20.1
Mesman, F.D. (Fer) (1756) Friday 15 May 2026 DRAW +3.7
Terwee, L. (Laurens) (1750) Friday 15 May 2026 DRAW +3.5
Polders, S. (Sicco) (1520) Friday 15 May 2026 WIN +8.5
Clark, L.A. (Liam) (1553) Thursday 16 April 2026 WIN +10.0
Neelakantan, D.N. (Dakshesh Nathan) (1580) Tuesday 7 April 2026 LOSS -7.1