KNSB FIDE
AB

Achim Buendgen

Rated since January 2023

2072 Classic
2072 Rapid
2072 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BOLWERK, P.F.T. (PETER) 2158
9434 KNSB competitie 2024-2025 Klasse 2 ronde 1 · Saturday 21 September 2024
BOGAARD, M. (MILO) 2066
6233 KNSB competitie 2022-2023 Klasse 2 ronde 5 · Saturday 17 December 2022
HAREN VAN, M.A.R. (MARCEL) 2041
12591 KNSB competitie 2025-2026 Klasse 2 ronde 5 · Saturday 13 December 2025
KNOL, G.J. (GEON) 2040
7796 KNSB competitie 2023-2024 Klasse 2 ronde 3 · Saturday 4 November 2023
ROORDA, C. (CAS) 1997
11250 KNSB competitie 2024-2025 Klasse 2 ronde 9 · Saturday 10 May 2025
Worst losses
DEKKER, T. (THIEMEN) 1822
7638 KNSB competitie 2023-2024 Klasse 2 ronde 2 · Saturday 7 October 2023
AKKEREN VAN, A.J.H.D. (ARNO) 2013
8376 KNSB competitie 2023-2024 KNSB Beker 2023-2024 ronde 3 · Sunday 4 February 2024
JONGH DE, B.M. (BENNO) 2031
12989 KNSB competitie 2025-2026 Klasse 2 ronde 7 · Saturday 7 February 2026
BINNENDIJK, F.C. (FERDINAND) 2037
8070 KNSB competitie 2023-2024 Klasse 2 ronde 5 · Saturday 16 December 2023
JANSEN, B.J.H. (BAS) 2086
11850 KNSB competitie 2025-2026 Klasse 2 ronde 1 · Saturday 20 September 2025
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 2 ronde 6 Saturday 20 September 2025 +1–0=0 +4.6
KNSB competitie 2025-2026 Klasse 2 ronde 8 Saturday 20 September 2025 +1–0=0 +5.6
KNSB competitie 2025-2026 Klasse 2 ronde 7 Saturday 20 September 2025 +0–2=0 -28.1
KNSB competitie 2025-2026 Klasse 2 ronde 5 Saturday 20 September 2025 +1–0=0 +11.5
KNSB competitie 2025-2026 Klasse 2 Ronde 4 Saturday 20 September 2025 +0–0=1 -0.3
KNSB competitie 2025-2026 Klasse 2 ronde 3 Saturday 20 September 2025 +0–0=1 -2.5
KNSB competitie 2025-2026 Klasse 2 ronde 2 Saturday 20 September 2025 +0–0=1 +6.1
KNSB competitie 2025-2026 Klasse 2 ronde 1 Saturday 20 September 2025 +0–1=0 -12.3
SOS competitie 2025/2026 Lijst 1 feb Monday 1 September 2025 +0–0=1 -6.0
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +1–0=0 +10.0
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +0–0=1 +2.1
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +1–0=0 +7.0
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +0–1=0 -9.8
KNSB competitie 2024-2025 Klasse 2 ronde 3 Saturday 21 September 2024 +1–0=0 +7.3
KNSB competitie 2024-2025 Klasse 4 ronde 2 Saturday 21 September 2024 +0–0=1 -7.8
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +1–0=0 +16.0
SBO Viertallencompetitie 2023/2024 Januari 2024 Monday 16 October 2023 +0–0=1 -6.3
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +1–0=0 +9.8
KNSB competitie 2023-2024 Klasse 2 ronde 8 Saturday 16 September 2023 +0–0=1 -3.5
KNSB competitie 2023-2024 KNSB Beker 2023-2024 ronde 3 Saturday 16 September 2023 +0–1=0 -14.1
KNSB competitie 2023-2024 Klasse 2 ronde 6 Saturday 16 September 2023 +1–0=0 +3.5
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +0–1=0 -14.1
KNSB competitie 2023-2024 KNSB Beker 2023-2024 voor januarilijst Saturday 16 September 2023 +0–0=1 -2.1
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +0–1=0 -6.8
KNSB competitie 2023-2024 Klasse 2 ronde 3 Saturday 16 September 2023 +1–0=0 +11.2
KNSB competitie 2023-2024 Klasse 2 ronde 2 Saturday 16 September 2023 +0–1=0 -20.9
SBO Cup 2022/2023 Finale Sunday 27 November 2022 +0–1=0 -10.4
SBO Cup 2022/2023 Achtste Finale Sunday 27 November 2022 +0–0=1 -6.8
SBO Viertallencompetitie 2022/2023 April 2023 Monday 24 October 2022 +1–0=0 +6.4
KNSB competitie 2022-2023 Klasse 2 ronde 9 Saturday 17 September 2022 +0–1=0 -10.4
KNSB competitie 2022-2023 Klasse 2 ronde 8 Saturday 17 September 2022 +0–1=0 -8.0
KNSB competitie 2022-2023 Klasse 2 ronde 7 Saturday 17 September 2022 +0–1=0 -7.6
KNSB competitie 2022-2023 Klasse 2 ronde 6 Saturday 17 September 2022 +0–0=1 +0.2
KNSB competitie 2022-2023 Klasse 2 ronde 5 Saturday 17 September 2022 +1–0=0 +10.4
KNSB competitie 2022-2023 Klasse 2 ronde 4 Saturday 17 September 2022 +1–0=0 +5.0
SOS Competitie 2022/2023 Mei Monday 12 September 2022 +1–0=0 +4.3

Rating History

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Peak Ratings

Classic 2125 Jan. 1, 2023
Rapid 2072 May 1, 2026
Blitz 2072 May 1, 2026

Games

Wins 14
Losses 12
Draws 11
Win Rate 38%

Performance by Color

Color Wins Draws Losses Win Rate
White 9 3 6 50%
Black 5 8 6 26%

Recent Matches

Heij, A. (Abedin) (1806) Saturday 28 March 2026 WIN +4.6
Jansen, H. (Henk) (1844) Saturday 7 March 2026 WIN +5.6
Jongh de, B.M. (Benno) (2031) Saturday 7 February 2026 LOSS -14.1
Jongh de, B.M. (Benno) (2031) Saturday 7 February 2026 LOSS -14.1
Hoenselaar, D. (Dennis) (1898) Tuesday 13 January 2026 DRAW -6.0
Haren van, M.A.R. (Marcel) (2041) Saturday 13 December 2025 WIN +11.5
Amerongen-Jansen van, M.J.C. (Peggy) (2066) Saturday 22 November 2025 DRAW -0.3
Linde van de, J.A. (Jan) (2002) Saturday 1 November 2025 DRAW -2.5
Webbink, H.D. (Dinand) (2256) Saturday 4 October 2025 DRAW +6.1
Jansen, B.J.H. (Bas) (2086) Saturday 20 September 2025 LOSS -12.3
Roorda, C. (Cas) (1997) Saturday 10 May 2025 WIN +10.0
Kamstra, J.A. (Jippe) (2128) Saturday 5 April 2025 DRAW +2.1
Heide van der, G. (Gerben) (1894) Saturday 8 March 2025 WIN +7.0
Brouwer, R. (Rein) (2141) Saturday 23 November 2024 LOSS -9.8
Westerhof, F. (Fleur) (1909) Saturday 9 November 2024 WIN +7.3
Wille, R. (Ruud) (1820) Saturday 12 October 2024 DRAW -7.8
Bolwerk, P.F.T. (Peter) (2158) Saturday 21 September 2024 WIN +16.0
Eleveld, H.R. (Henk) (1969) Saturday 20 April 2024 WIN +9.8
Buijnsters, F.J.M. (Floris) (1947) Saturday 23 March 2024 DRAW -3.5
Akkeren van, A.J.H.D. (Arno) (2013) Sunday 4 February 2024 LOSS -14.1