Jasper Koornneef

Rated since February 2024

1527 Rapid

RIVALRY

Nemesis

Dikkenberg van den, D.H. (Erik)

Games: 4 · Win rate: 0%

Kryptonite

Kalmijn, T.F. (Tom)

Games: 4 · Win rate: 0%

The good & the bad

Best wins

HIJMISSEN, K. (KIARA) 1334

10246 Tinnen Soldaat Groep D · Saturday 4 January 2025

BRINK VAN DEN, R.R. (RAJ) 1333

10246 Tinnen Soldaat Groep D · Saturday 4 January 2025

MEIJER, R. (RUBEN) 1322

10246 Tinnen Soldaat Groep D · Saturday 4 January 2025

KAMPHUIS, B. (BORIS) 1295

10246 Tinnen Soldaat Groep D · Saturday 4 January 2025

KOLAH-CHI, K. (KYAN) 1292

10246 Tinnen Soldaat Groep D · Saturday 4 January 2025

Worst losses

PIEPER, S. (SVEN) 1005

7987 Tinnen Soldaat Groep A · Saturday 6 January 2024

KRUIDHOF, K. (KJELD) 1077

9995 Grand Prix Zutphen Groep C · Saturday 30 November 2024

LOOIJEN, N. (NATHAN) 1164

9068 Vallei Toernooi Groep A · Saturday 25 May 2024

LUREMAN DE VLETTER, K. (KICK) 1210

9068 Vallei Toernooi Groep A · Saturday 25 May 2024

KRUIK, E. (EPKE) 1242

10246 Tinnen Soldaat Groep D · Saturday 4 January 2025

No FIDE-rated tournaments found.

OSBO-Cup 2025/2026 Februari 2026 Monday 1 December 2025 +0–4=0

SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +0–2=0

Tinnen Soldaat Groep D Saturday 4 January 2025 +5–2=0 +69.9

Grand Prix Zutphen Groep C Saturday 30 November 2024 +5–1=1 +86.4

SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +0–4=0

Vallei Toernooi Groep A Saturday 25 May 2024 +2–4=1 -154.6

Tinnen Soldaat Groep A Saturday 6 January 2024 +5–1=0 +55.8

Rating History

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Peak Ratings

Classic 1657 March 1, 2026

Rapid 1527 May 1, 2026

Games

Wins 17

Losses 18

Draws 2

Win Rate 46%

Performance by Color

Color	Wins	Draws	Losses	Win Rate
White	8	1	15	33%
Black	9	1	3	69%

Recent Matches

Willigenburg, D. (Dick) (1823) Tuesday 10 March 2026 LOSS

FM Dikkenberg van den, D.H. (Erik) (2167) Thursday 19 February 2026 LOSS

Kalmijn, T.F. (Tom) (1783) Friday 23 May 2025 LOSS

Kamphuis, B. (Boris) (1295) Saturday 4 January 2025 WIN +23.7

Kruik, E. (Epke) (1242) Saturday 4 January 2025 LOSS -28.2

Meijer, R. (Ruben) (1322) Saturday 4 January 2025 WIN +25.5

Hoff, S.G. (Senn) (1257) Saturday 4 January 2025 LOSS -27.2

Brink van den, R.R. (Raj) (1333) Saturday 4 January 2025 WIN +26.2

Kolah-Chi, K. (Kyan) (1292) Saturday 4 January 2025 WIN +23.5

Hijmissen, K. (Kiara) (1334) Saturday 4 January 2025 WIN +26.3

Yan, Z. (Zichen) (1228) Saturday 30 November 2024 WIN +33.5

Geel van, H. (Hugo) (923) Saturday 30 November 2024 WIN +10.7

Duijnstee, B. (Bauke) (1407) Saturday 30 November 2024 DRAW +16.8