KNSB FIDE
VK

Valentijn Kaptein

Rated since June 2023

1164 Classic
1538 Rapid

RIVALRY

Nemesis
Klauber, D. (Daniel)
Games: 6 · Win rate: 50%
Kryptonite
Boomhouwer, R. (Rens)
Games: 4 · Win rate: 0%
Easy Target
Wempe, T.J. (Tijn)
Games: 5 · Win rate: 100%

The good & the bad

Best wins
ROORDA, M. (MATTIAS) 1543
13811 GP Oldenkamp 2026 Groep A · Saturday 9 May 2026
VISSER, D.F. (DANIËL) 1518
13487 GP Schaakwoude 2026 Groep A · Saturday 4 April 2026
DIJKSTRA, W. (WESSEL) 1515
13487 GP Schaakwoude 2026 Groep A · Saturday 4 April 2026
GREVEN, V. (VINCENT) 1499
13811 GP Oldenkamp 2026 Groep A · Saturday 9 May 2026
WAL VAN DER, L. (LARS) 1495
13811 GP Oldenkamp 2026 Groep A · Saturday 9 May 2026
Worst losses
MEDENDORP, L. (LUCAS) 378
GP Chessfestival Groningen, 2023 · Thursday 28 December 2023
OKKEN, V. (VIC) 384
GP Chessfestival Groningen, 2023 · Thursday 28 December 2023
DIJKSTRA, W. (WESSEL) 389
7114 NOSBO PJK 2023 PJK F · Saturday 13 May 2023
URBAN, T. (TOBIAS) 402
7114 NOSBO PJK 2023 PJK F · Saturday 13 May 2023
KOOLAARD, L. (LIEKE) 409
7114 NOSBO PJK 2023 PJK F · Saturday 13 May 2023
GP Staunton Groningen Groep A Sunday 28 December 2025 +5–1=1 +69.4
GP Staunton Chessfestival 2024 Groep A Saturday 28 December 2024 +2–4=0 -25.9
GP Chessfestival Groningen, 2023 Thursday 28 December 2023 +4–3=0 +86.9
GP Oldenkamp 2026 Groep A Saturday 9 May 2026 +3–3=1 +4.5
GP Schaakwoude 2026 Groep A Saturday 4 April 2026 +3–3=1 +28.3
GP Hennie Collignon 2026 Groep A Saturday 31 January 2026 +3–4=0 -24.4
GP de Donger Groep A Saturday 10 January 2026 +4–2=1 +42.1
NOSBO PJK 2026 JCC D Thursday 1 January 2026 +3–2=2 +14.1
GC/Matadoren jeugdachtkampen Groep A Sunday 23 November 2025 +3–4=0 -7.3
KNSB-Jeugdclubcompetitie D halve finales Groep A Saturday 8 November 2025 +2–3=1 +7.9
GP DTK Buitenpost 2025 Groep A Saturday 18 October 2025 +1–6=0 -74.1
GP Lytje Willem 2025 Groep A Saturday 20 September 2025 +5–2=0 +49.1
GP Finale NOSBO-FSB 2025 Groep A Sunday 15 June 2025 +3–4=0 -3.8
GP Hoogeveen 2025 Groep A Saturday 17 May 2025 +3–3=1 +13.9
GP Emmen 2025 Groep A Saturday 15 March 2025 +4–2=0 +17.0
NOSBO PJK 2025 PJK D Saturday 11 January 2025 +3–4=0 +38.1
NOSBO JCC JCC D Wednesday 1 January 2025 +2–1=3 +13.5
GP De Donger Groep A Saturday 21 December 2024 +4–3=0 +27.5
GP Bolsward 2024 Groep A Saturday 7 December 2024 +4–3=0 +55.2
GP Ten Boer 2024 Groep A Saturday 2 November 2024 +2–5=0 -59.1
Lytje Willem GP 2024 Groep A Saturday 19 October 2024 +2–2=3 +24.5
GP Leek/Roden 2024 Groep A Saturday 12 October 2024 +1–5=0 -91.4
GP-finale NOSBO-FSB 2024 Groep A Sunday 9 June 2024 +3–4=0 -24.4
GP Bob Romijn Haren 2024 Groep A Saturday 1 June 2024 +2–5=0 -26.1
GP Jan Oldenkamp 2024 Groep A Saturday 18 May 2024 +5–1=1 +70.7
GP NK-ABC 2024 Hoogkerk Groep A Thursday 2 May 2024 +4–2=1 +14.6
GP Schaakwoude Groep A Friday 29 March 2024 +3–4=0 -34.1
GP Emmen 2024 Groep A Saturday 16 March 2024 +4–3=0 +39.4
GP Assen Groep A Sunday 18 February 2024 +3–3=0 -57.1
GP Henny Collignon 2024 Groep A Saturday 27 January 2024 +6–1=0 +91.5
NOSBO FSB jeugd 2023-2024 PJK D Wednesday 1 November 2023 +4–1=0 +45.5
NOSBO FSB jeugd 2023-2024 NOSBO rapidkampioenschap Wednesday 1 November 2023 +0–6=0 -60.0
NOSBO FSB jeugd 2023-2024 Paardensprong Opengroep Wednesday 1 November 2023 +4–4=0 +58.8
NOSBO PJK 2023 PJK F Saturday 14 January 2023 +2–4=1 -236.9

Rating History

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Peak Ratings

Classic 1164 June 1, 2024
Rapid 1538 July 1, 2026

Games

Wins 106
Losses 107
Draws 17
Win Rate 46%

Performance by Color

Color Wins Draws Losses Win Rate
White 55 6 55 47%
Black 51 11 52 45%

Recent Matches

Ma, Y. (Yuan Li) (1757) Sunday 31 May 2026 LOSS -7.3
Sarathbabu, M. (Mrityunjay) (1820) Sunday 31 May 2026 DRAW +14.8
Zeng, H. (Henry) (1750) Sunday 31 May 2026 LOSS -7.6
Rozendal, E. (Emma) (1048) Sunday 31 May 2026 WIN +2.3
Dellen van, T. (Thijmen) (1696) Sunday 31 May 2026 DRAW +10.2
Molen van der, Y. (Yori) (957) Sunday 31 May 2026 WIN +1.2
Wilt van der, K. (Kitana) (882) Sunday 31 May 2026 WIN +0.6
Botter, J. (Jeroen) (1526) Saturday 9 May 2026 DRAW +1.5
Roorda, M. (Mattias) (1543) Saturday 9 May 2026 WIN +22.5
Esselbrugge, L. (Lucas) (1485) Saturday 9 May 2026 LOSS -20.8
Wal van der, L. (Lars) (1495) Saturday 9 May 2026 WIN +19.8
Boer de, C. (Chantal) (1510) Saturday 9 May 2026 LOSS -19.4
Greven, V. (Vincent) (1499) Saturday 9 May 2026 WIN +20.0
Koolaard, L. (Lieke) (1516) Saturday 9 May 2026 LOSS -19.1
Roorda, M. (Mattias) (1512) Saturday 4 April 2026 WIN +22.8
Staphorst, K. (Koene) (1473) Saturday 4 April 2026 LOSS -19.3
Kloosterman, F. (Frank) (1489) Saturday 4 April 2026 LOSS -18.4
Steenstra, J. (Jan) (1680) Saturday 4 April 2026 DRAW +11.1
Dijkstra, W. (Wessel) (1515) Saturday 4 April 2026 WIN +23.0
Visser, D.F. (Daniël) (1518) Saturday 4 April 2026 WIN +23.2