KNSB FIDE
PB

Peter Bosker

Rated since January 2023

2066 Classic
2066 Rapid
2066 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
VALENS, V. (VINCENT) 2196
9435 KNSB competitie 2024-2025 Klasse 3 ronde 1 · 2024-09-21
DIJKSTRA, A.S. (ARJAN) (FM) 2169
7818 Chess Festival Groningen Compact A · 2023-12-28
CROESE, C. (COR) 2160
12261 KNSB competitie 2025-2026 Klasse 1 ronde 3 · 2025-11-01
RIKSTEN, P.H. (PETER) 2151
7797 KNSB competitie 2023-2024 Klasse 3 ronde 3 · 2023-11-04
BOERSMA, J. (JAN) 2138
8456 Chess Festival Groningen Compact · 2024-12-30
Worst losses
NOLLES, D.S. (DIRK SIEDS) 1794
6555 KNSB competitie 2022-2023 Klasse 3 ronde 6 · 2023-02-11
ZUIDERWEG, E. (EDWIN) 1914
7818 Chess Festival Groningen Compact A · 2023-12-30
VELD VAN 'T, M. (MENNO) 1963
11233 Chessfestival Groningen Compact Groep A · 2025-12-29
ZOETEN DE, C. (CATO) 1966
8456 Chess Festival Groningen Compact · 2024-12-29
VRIES DE, B.J. (BRAM) 2014
11849 KNSB competitie 2025-2026 Klasse 1 ronde 1 · 2025-09-20
Chessfestival Groningen Compact Groep A Fri, Dec 26, 2025 +1–2=1 -23.6
Chess Festival Groningen Compact Sat, Dec 21, 2024 +3–1=1 +14.1
Chess Festival Groningen Compact A Thu, Dec 21, 2023 +2–2=0 -2.1
KNSB competitie 2025-2026 Klasse 1 ronde 7 Sat, Sep 20, 2025 +0–0=1 +7.4
KNSB competitie 2025-2026 Klasse 1 ronde 5 Sat, Sep 20, 2025 +0–1=0 -6.4
KNSB competitie 2025-2026 Klasse 1 Ronde 4 Sat, Sep 20, 2025 +1–0=0 +6.9
KNSB competitie 2025-2026 Klasse 1 ronde 3 Sat, Sep 20, 2025 +1–0=0 +15.7
KNSB competitie 2025-2026 Klasse 1 ronde 1 Sat, Sep 20, 2025 +0–1=0 -14.9
KNSB competitie 2024-2025 Klasse 3 ronde 9 Sat, Sep 21, 2024 +0–1=0 -12.2
KNSB competitie 2024-2025 Klasse 3 ronde 8 Sat, Sep 21, 2024 +0–0=1 +0.8
KNSB competitie 2024-2025 Klasse 3 ronde 6 Sat, Sep 21, 2024 +1–0=0 +9.8
KNSB competitie 2024-2025 Klasse 3 ronde 5 Sat, Sep 21, 2024 +0–0=1 +4.5
KNSB competitie 2024-2025 Klasse 3 ronde 3 + inhaalwedstrijd ronde 1 Sat, Sep 21, 2024 +1–0=0 +10.5
KNSB competitie 2024-2025 Klasse 3 ronde 2 Sat, Sep 21, 2024 +0–1=0 -7.2
KNSB competitie 2024-2025 Klasse 3 ronde 1 Sat, Sep 21, 2024 +1–0=0 +17.6
KNSB competitie 2023-2024 Klasse 3 ronde 9 Sat, Sep 16, 2023 +0–1=0 -7.7
KNSB competitie 2023-2024 Klasse 3 ronde 8 Sat, Sep 16, 2023 +0–0=1 +2.3
KNSB competitie 2023-2024 Klasse 3 ronde 7 Sat, Sep 16, 2023 +1–0=0 +10.7
KNSB competitie 2023-2024 Klasse 3 ronde 6 Sat, Sep 16, 2023 +0–0=1 -2.6
KNSB competitie 2023-2024 Klasse 3 ronde 5 Sat, Sep 16, 2023 +0–1=0 -7.6
KNSB competitie 2023-2024 Klasse 3 ronde 4 Sat, Sep 16, 2023 +0–0=1 -0.5
KNSB competitie 2023-2024 Klasse 3 ronde 3 Sat, Sep 16, 2023 +1–0=0 +16.4
KNSB competitie 2023-2024 Klasse 3 ronde 2 Sat, Sep 16, 2023 +1–0=0 +13.6
KNSB competitie 2023-2024 Klasse 3 ronde 1 Sat, Sep 16, 2023 +0–0=1 -1.3
KNSB competitie 2022-2023 Klasse 3 ronde 9 Sat, Sep 17, 2022 +1–0=0 +9.7
KNSB competitie 2022-2023 Klasse 3 ronde 8 Sat, Sep 17, 2022 +1–0=0 +9.8
KNSB competitie 2022-2023 Klasse 3 ronde 7 Sat, Sep 17, 2022 +0–0=1 -1.8
KNSB competitie 2022-2023 Klasse 3 ronde 6 Sat, Sep 17, 2022 +0–1=0 -19.8
KNSB competitie 2022-2023 Klasse 3 ronde 5 Sat, Sep 17, 2022 +1–0=0 +16.6
KNSB competitie 2022-2023 Klasse 3 ronde 4 Sat, Sep 17, 2022 +1–0=0 +10.3

Rating History

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Peak Ratings

Classic 2095 May 1, 2025
Rapid 2068 March 1, 2026
Blitz 2068 March 1, 2026

Games

Wins 18
Losses 12
Draws 10
Win Rate 45%

Performance by Color

Color Wins Draws Losses Win Rate
White 13 6 5 54%
Black 5 4 7 31%

Recent Matches

Berg van den, H.T.W. (Hilke) (2296) 2026-02-07 DRAW +7.4
Veld van 't, M. (Menno) (1963) 2025-12-29 LOSS -16.8
Luimes, A.J. (Arent) (1938) 2025-12-28 DRAW -5.1
CM Dam ten, B. (Bram) (2192) 2025-12-27 LOSS -9.1
Verheij, D. (Dana) (1938) 2025-12-26 WIN +7.4
FM Gisbergen van, S. (Stan) (2278) 2025-12-13 LOSS -6.4
Brandsma, R.L. (Romayn) (1899) 2025-11-22 WIN +6.9
Croese, C. (Cor) (2160) 2025-11-01 WIN +15.7
Vries de, B.J. (Bram) (2014) 2025-09-20 LOSS -14.9
Lith van, A. (Arjan) (2105) 2025-05-10 LOSS -12.2
Dries op den, J. (Johan) (2118) 2025-04-05 DRAW +0.8
Scheffner, J. (Jarno) (2005) 2025-02-08 WIN +9.8
Boersma, J. (Jan) (2138) 2024-12-30 WIN +15.0
Zoeten de, C. (Cato) (1966) 2024-12-29 LOSS -15.9
Willemsma, A.D.I. (Abe) (1981) 2024-12-28 WIN +9.6
Gruettner, Ralf (2002) 2024-12-27 WIN +10.3
Beltman, J.B. (Joost) (1923) 2024-12-26 DRAW -4.8
Ros, S. (Sikko) (2198) 2024-12-14 DRAW +4.5
Fallaux, S. (Storm) (1998) 2024-11-09 WIN +10.5
Riemens, M.J. (Michael) (2221) 2024-10-12 LOSS -7.2