KNSB FIDE
AM

Arno Middelkoop

Rated since January 2023

1963 Classic
1960 Rapid
1960 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
LEITRITZ, D.M. (DAVID) 1979
12992 KNSB competitie 2025-2026 Klasse 5 ronde 6 · Saturday 7 February 2026
BOLDERMAN, J. (JOPPE) 1963
12265 KNSB competitie 2025-2026 Klasse 5 ronde 2 · Saturday 1 November 2025
GLIMMERVEEN, M.A. (MARTIN) 1948
7930 HSB competitie 2023-2024 Hoofd en 2A ronde 3 · Monday 20 November 2023
PEERDEMAN, N.P. (NICO) 1944
9199 HSB competitie 2024-2025 Groep A · Monday 21 October 2024
VALK BOUMAN VAN DER, J. (JIM) 1891
10705 KNSB competitie 2024-2025 Klasse 5 ronde 6 · Saturday 8 March 2025
Worst losses
STOLK, J.J. (KOOS) 1758
7806 KNSB competitie 2023-2024 Klasse 5 ronde 3 · Saturday 25 November 2023
VALSTAR, J.M. (JASPER) 1797
6236 KNSB competitie 2022-2023 Klasse 5 ronde 4 · Saturday 17 December 2022
BERG VAN DEN, M. (MEES) 1882
7998 HSB PK 2023 Groep A: Ronde 3-5 · Friday 17 November 2023
DEKKER, A.E. (ARD) 1901
12439 HSB competitie 2025-2026 November comp · Monday 10 November 2025
MEHRA, R. (ROGER) 1985
7641 KNSB competitie 2023-2024 Klasse 5 ronde 1 · Saturday 7 October 2023
2026 Chess.com Botwinnik Open Groep B Friday 2 January 2026 +2–0=4 -4.2
KNSB competitie 2025-2026 Klasse 3 ronde 9 Saturday 20 September 2025 +0–0=1 +2.1
KNSB competitie 2025-2026 Klasse 5 ronde 5 Saturday 20 September 2025 +0–0=2 -1.7
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +0–0=2 -2.5
KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +1–0=0 +13.4
KNSB competitie 2025-2026 Klasse 3 Ronde 4 Saturday 20 September 2025 +0–0=1 +2.4
KNSB competitie 2025-2026 Klasse 5 ronde 2 Saturday 20 September 2025 +1–0=0 +12.7
KNSB competitie 2025-2026 Klasse 5 ronde 1 Saturday 20 September 2025 +1–0=0 +9.0
HSB competitie 2025-2026 April2026 Monday 1 September 2025 +0–0=1 +0.5
HSB competitie 2025-2026 HSBCompetitieFeb26 Monday 1 September 2025 +0–0=1 -3.0
HSB competitie 2025-2026 DecemberJanuari Comp 2526 Monday 1 September 2025 +0–0=1 -1.1
HSB competitie 2025-2026 November comp Monday 1 September 2025 +0–1=0 -14.4
HSB competitie 2025-2026 October 2025 Monday 1 September 2025 +0–0=1 -1.1
HSB competitie 2025-2026 September 2025 Monday 1 September 2025 +0–0=1 -2.3
KNSB competitie 2024-2025 Klasse 5 ronde 7 Saturday 21 September 2024 +0–0=1 -3.3
KNSB competitie 2024-2025 Klasse 5 ronde 6 Saturday 21 September 2024 +1–0=0 +10.6
KNSB competitie 2024-2025 Klasse 5 ronde 5 Saturday 21 September 2024 +1–0=0 +8.9
KNSB competitie 2024-2025 Klasse 5 ronde 4 Saturday 21 September 2024 +0–0=1 -3.1
KNSB competitie 2024-2025 Klasse 5 ronde 3 Saturday 21 September 2024 +1–0=0 +10.6
KNSB competitie 2024-2025 Klasse 5 ronde 2 Saturday 21 September 2024 +0–0=1 -1.4
KNSB competitie 2024-2025 Klasse 5 ronde 1 Saturday 21 September 2024 +0–1=0 -6.8
HSB competitie 2024-2025 Comp april Sunday 1 September 2024 +0–0=1 -1.3
HSB competitie 2024-2025 Maart comp Sunday 1 September 2024 +0–0=2 -1.1
HSB competitie 2024-2025 CompFeb2025 Sunday 1 September 2024 +0–0=1 -0.3
HSB competitie 2024-2025 CompDecember2024 Sunday 1 September 2024 +0–0=1 -3.2
HSB competitie 2024-2025 CompNovember2024 Sunday 1 September 2024 +1–0=0
HSB competitie 2024-2025 Groep A Sunday 1 September 2024 +2–0=0 +23.6
HSB PK 2023 Groep A: Ronde 6-7 Friday 13 October 2023 +2–0=0 +21.8
HSB PK 2023 Groep A: Ronde 3-5 Friday 13 October 2023 +0–1=1 -5.7
HSB PK 2023 Groep A: Ronde 1-2 Friday 13 October 2023 +0–1=1 -10.0
HSB competitie 2023-2024 Competitie maart Monday 18 September 2023 +0–0=1 -1.0
HSB competitie 2023-2024 December 2023 Monday 18 September 2023 +1–0=1 +6.8
HSB competitie 2023-2024 Hoofd en 2A ronde 3 Monday 18 September 2023 +1–0=0 +16.6
HSB competitie 2023-2024 Groep A Monday 18 September 2023 +0–0=1 +4.4
KNSB competitie 2023-2024 Klasse 5 ronde 7 Saturday 16 September 2023 +0–0=1 -4.9
KNSB competitie 2023-2024 Klasse 5 ronde 6 Saturday 16 September 2023 +1–0=0 +7.9
KNSB competitie 2023-2024 Klasse 5 ronde 5 Saturday 16 September 2023 +1–0=0 +10.3
KNSB competitie 2023-2024 Klasse 5 ronde 4 Saturday 16 September 2023 +0–1=0 -6.2
KNSB competitie 2023-2024 Klasse 5 ronde 3 Saturday 16 September 2023 +0–1=0 -14.9
KNSB competitie 2023-2024 Klasse 5 ronde 2 Saturday 16 September 2023 +0–0=1 -1.1
KNSB competitie 2023-2024 Klasse 5 ronde 1 Saturday 16 September 2023 +0–1=0 -7.7
KNSB competitie 2022-2023 Klasse 5 ronde 7 Saturday 17 September 2022 +1–0=0 +12.5
KNSB competitie 2022-2023 Klasse 5 ronde 6 Saturday 17 September 2022 +1–0=0 +8.2
KNSB competitie 2022-2023 Klasse 5 ronde 5 Saturday 17 September 2022 +1–0=0 +10.3
KNSB competitie 2022-2023 Klasse 5 ronde 4 Saturday 17 September 2022 +0–1=0 -13.1
KNSB competitie 2022-2023 Klasse 5 ronde 3 Saturday 17 September 2022 +1–0=0 +8.8
HSB competitie 2022-2023 HSB competitie 2022-2023 deel 5 Monday 29 August 2022 +0–0=1 -6.4
HSB competitie 2022-2023 HSB competitie 2022-2023 deel 4 Monday 29 August 2022 +1–0=0 +4.7

Rating History

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Peak Ratings

Classic 1963 May 1, 2026
Rapid 1962 March 1, 2026
Blitz 1962 March 1, 2026

Games

Wins 22
Losses 8
Draws 31
Win Rate 36%

Performance by Color

Color Wins Draws Losses Win Rate
White 8 8 3 42%
Black 14 23 5 33%

Recent Matches

Milort, G. (Gerard) (1975) Tuesday 21 April 2026 DRAW +0.5
Termeulen, A. (Albert) (2020) Saturday 11 April 2026 DRAW +2.1
Nijenhuis, W. (Wim) (1938) Saturday 28 March 2026 DRAW -0.8
Nijenhuis, W. (Wim) (1938) Saturday 28 March 2026 DRAW -0.8
Scheer van der, H. (Henk) (1926) Saturday 7 March 2026 DRAW -1.3
Scheer van der, H. (Henk) (1926) Saturday 7 March 2026 DRAW -1.3
Mostert, M.J. (Joost) (1865) Monday 9 February 2026 DRAW -3.0
Leitritz, D.M. (David) (1979) Saturday 7 February 2026 WIN +13.4
Lee, J.M. (Jung Min) (1880) Sunday 4 January 2026 DRAW -2.7
Bakhuijzen, N. (Nathan) (1816) Sunday 4 January 2026 WIN +7.8
Sewpal, I. (Indy) (1848) Saturday 3 January 2026 DRAW -3.7
Mastop, G.M. (Guido) (1877) Saturday 3 January 2026 DRAW -2.8
Mostert, M.J. (Joost) (1875) Friday 2 January 2026 DRAW -2.8
Wilbrink, M. (Marijn) Friday 2 January 2026 WIN
Bodaan, A. (Ton) (1927) Thursday 11 December 2025 DRAW -1.1
Beerens, P. (Peter) (2024) Saturday 22 November 2025 DRAW +2.4
Dekker, A.E. (Ard) (1901) Monday 10 November 2025 LOSS -14.4
Bolderman, J. (Joppe) (1963) Saturday 1 November 2025 WIN +12.7
Drenthen, A. (Abel) (1886) Wednesday 15 October 2025 DRAW -1.1
Zdravkovic, A. (Andrija) (1844) Saturday 4 October 2025 WIN +9.0