KNSB FIDE
AW

Abe Willemsma

Rated since January 2023

2028 Classic
1988 Rapid
1997 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BOUHALLEL, RABAH (FM) 2146
Belgian Interclubs Round 2025-2026 Ronde 5 · Sunday 7 December 2025
BALJE, J. (JAN) 2113
7818 Chess Festival Groningen Compact A · Thursday 28 December 2023
NIES, L.W. (LEVI) 2085
8456 Chess Festival Groningen Compact · Friday 27 December 2024
KAMALI, M. (MEHRAN) 2065
8904 SGA Competitie 2023-2024 Hoofdklasse ronde 6 en 7 · Thursday 28 March 2024
VERHELST, JORIS 2062
Belgian Interclubs 2022-2023 Ronde 5 · Sunday 29 January 2023
Worst losses
LANGNER, ROBIN 1813
7. Int. Bodensee Open · Sunday 14 May 2023
VEENSTRA, F.L.J. (FRITS) 1884
13976 SGA Rapidcompetitie 2026 2e Klasse voorronde · Thursday 4 June 2026
LEE VAN DER, P.E.A. (PATRICK) 1902
9950 KNSB competitie 2024-2025 Klasse 4 ronde 4 · Saturday 23 November 2024
FASEL, T. (TON) 1921
7818 Chess Festival Groningen Compact A · Wednesday 27 December 2023
KRYLOV, P. (PHILIPPE) 1941
8479 SGA Competitie 2023-2024 Hoofdklasse ronde 4 · Friday 9 February 2024
Belgian Interclubs Round 2025-2026 Ronde 6 Sunday 25 January 2026 +0–0=1 +1.8
Belgian Interclubs Round 2025-2026 Ronde 5 Sunday 7 December 2025 +1–0=0 +18.3
Belgian Interclubs Round 2025-2026 Ronde 2 Sunday 12 October 2025 +0–1=0 -10.5
Chess Festival Groningen Compact Saturday 21 December 2024 +1–2=1 +1.3
Chess Festival Groningen Compact A Thursday 21 December 2023 +2–1=2 +15.9
SGA Rapidcompetitie 2026 2e Klasse voorronde Monday 18 May 2026 +2–1=0 +2.6
SGA Competitie 2025-2026 Hoofdklasse ronde 6 en 7 Wednesday 1 October 2025 +1–1=0 +7.9
SGA Competitie 2025-2026 Hoofdklasse ronde 4 Wednesday 1 October 2025 +0–0=1 -1.2
SGA Competitie 2025-2026 Gouden Beker kwartfinale Wednesday 1 October 2025 +0–1=0 -3.5
SGA Competitie 2025-2026 Hoofdklasse ronde 1 Wednesday 1 October 2025 +0–0=1 -2.3
KNSB competitie 2025-2026 Klasse 3 ronde 9 Saturday 20 September 2025 +1–0=0 +10.3
KNSB competitie 2025-2026 Klasse 3 ronde 6 Saturday 20 September 2025 +1–0=0 +12.3
KNSB competitie 2025-2026 Klasse 3 ronde 8 Saturday 20 September 2025 +0–0=1 +0.3
KNSB competitie 2025-2026 Klasse 3 ronde 7 Saturday 20 September 2025 +0–0=1 +0.1
KNSB competitie 2025-2026 Klasse 3 ronde 5 Saturday 20 September 2025 +1–0=0 +9.5
KNSB competitie 2025-2026 Klasse 1 Ronde 4 Saturday 20 September 2025 +0–1=0 -5.8
KNSB competitie 2025-2026 Klasse 3 ronde 3 Saturday 20 September 2025 +0–0=1 +2.2
KNSB competitie 2025-2026 Klasse 3 ronde 2 Saturday 20 September 2025 +0–1=0 -13.1
KNSB competitie 2025-2026 Klasse 3 ronde 1 Saturday 20 September 2025 +0–1=0 -13.5
9. Int. Bodenseeopen 2025 Saturday 24 May 2025 +4–2=3 +17.1
SGA Rapidcompetitie 2025 Hoofdklasse voorrondes Monday 19 May 2025 +0–1=1 -10.9
Belgian Interclubs 2024-2025 Round 10 Sunday 30 March 2025 +1–0=0 +10.9
Belgian Interclubs 2024-2025 Round 3 Sunday 3 November 2024 +0–0=1 -6.7
Belgian Interclubs 2024-2025 Round 2 Sunday 6 October 2024 +0–0=1 -4.8
SGA Competitie 2024-2025 Hoofdklasse ronde 6 en 7 Monday 30 September 2024 +1–0=0 +9.6
SGA Competitie 2024-2025 Hoofdklasse ronde 5 Monday 30 September 2024 +0–1=0 -9.6
SGA Competitie 2024-2025 Hoofdklasse ronde 4 Monday 30 September 2024 +0–0=1 +1.8
SGA Competitie 2024-2025 Hoofdklasse ronde 3 Monday 30 September 2024 +0–0=1 -2.7
SGA Competitie 2024-2025 Hoofdklasse ronde 2 Monday 30 September 2024 +0–0=1 -3.2
SGA Competitie 2024-2025 Hoofdklasse ronde 1 en 2 Monday 30 September 2024 +1–0=0 +10.3
KNSB competitie 2024-2025 Klasse 4 ronde 9 en uitgestelde wedstrijd … Saturday 21 September 2024 +1–0=0 +10.9
KNSB competitie 2024-2025 Klasse 4 ronde 8 Saturday 21 September 2024 +1–0=0 +12.9
KNSB competitie 2024-2025 Klasse 4 ronde 5 Saturday 21 September 2024 +0–1=0 -12.9
KNSB competitie 2024-2025 Klasse 4 ronde 4 Saturday 21 September 2024 +0–1=0 -16.1
KNSB competitie 2024-2025 Klasse 4 ronde 3 Saturday 21 September 2024 +0–0=1 -1.8
KNSB competitie 2024-2025 Klasse 4 ronde 2 Saturday 21 September 2024 +1–0=0 +8.2
Belgian Interclubs 2023-2024 Round 6 Sunday 28 January 2024 +0–1=0 -9.4
Belgian Interclubs 2023-2024 Round 5 Sunday 3 December 2023 +0–1=0 -4.1
SGA Competitie 2023-2024 Hoofdklasse ronde 6 en 7 Sunday 1 October 2023 +1–0=1 +16.0
SGA Competitie 2023-2024 Hoofdklasse ronde 4 Sunday 1 October 2023 +0–1=0 -14.3
SGA Competitie 2023-2024 Hoofdklasse ronde 3 Sunday 1 October 2023 +0–1=0 -12.6
KNSB competitie 2023-2024 Klasse 3 ronde 8 Saturday 16 September 2023 +0–0=1 -0.8
KNSB competitie 2023-2024 Klasse 3 ronde 6 Saturday 16 September 2023 +0–1=0 -13.9
KNSB competitie 2023-2024 Klasse 3 ronde 4 Saturday 16 September 2023 +0–1=0 -11.9
KNSB competitie 2023-2024 Klasse 3 ronde 1 Saturday 16 September 2023 +0–0=1 +3.2
7. Int. Bodensee Open Saturday 13 May 2023 +4–2=3 -27.0
Belgian Interclubs 2022-2023 Ronde 9 Sunday 19 March 2023 +0–1=0 -9.9
Belgian Interclubs 2022-2023 Ronde 5 Sunday 4 December 2022 +1–0=0 +13.5
SGA Competitie 2022-2023 Hoofdklasse ronde 7 Saturday 1 October 2022 +0–1=0 -12.4
SGA Competitie 2022-2023 Hoofdklasse ronde 4, 5 en 6 Saturday 1 October 2022 +0–0=1 -0.9
SGA Competitie 2022-2023 Hoofdklasse ronde 5 Saturday 1 October 2022 +1–0=0 +9.8
SGA Competitie 2022-2023 Hoofdklasse ronde 4 Saturday 1 October 2022 +0–0=1 -1.4
KNSB competitie 2022-2023 Klasse 1 ronde 9 Saturday 17 September 2022 +1–0=0 +4.9
KNSB competitie 2022-2023 Klasse 1 ronde 8 Saturday 17 September 2022 +0–1=0 -6.8
KNSB competitie 2022-2023 Beker ronde 2 Saturday 17 September 2022 +0–1=0 -7.0

Team Competition

Current teams
Caissa
Gouden Beker · 2025-2026 · 1 game
Caissa 1
Klasse 1A · 2025-2026 · 1 game
Caissa 2
Hoofdklasse · 2025-2026 · 4 games
Caissa 2
Klasse 3C · 2025-2026 · 8 games
Past teams
Caissa 2
Hoofdklasse · 2024-2025
Wageningen 2
Klasse 4B · 2024-2025
Caissa 1
Hoofdklasse · 2023-2024
Caissa 2
Klasse 3E · 2023-2024
Caissa 1
Klasse 1A · 2022-2023
Caissa 1
Meesterklasse · 2021-2022
Caissa 2
Klasse 2B · 2021-2022

Rating History

Loading rating history...

Peak Ratings

Classic 2055 April 1, 2023
Rapid 1988 July 1, 2026
Blitz 1997 March 1, 2026

Games

Wins 28
Losses 28
Draws 27
Win Rate 34%

Performance by Color

Color Wins Draws Losses Win Rate
White 15 11 12 39%
Black 13 16 16 29%

Recent Matches

Dongen van, J. (Joost) (1881) Thursday 4 June 2026 WIN +9.0
Groot, S. (Simon) (1902) Thursday 4 June 2026 WIN +9.6
Veenstra, F.L.J. (Frits) (1884) Thursday 4 June 2026 LOSS -16.0
FM Gisbergen van, S. (Stan) (2278) Tuesday 21 April 2026 LOSS -4.4
Jongkind, V. (Vincent) (1946) Saturday 11 April 2026 WIN +10.3
Argirov, D. (Dimitar) (2004) Thursday 9 April 2026 WIN +12.3
Galje, H. (Hans) (1990) Saturday 28 March 2026 WIN +12.3
Visser, I. (Ingmar) (2006) Saturday 7 March 2026 DRAW +0.3
Nitschke, P. (Peter) (1963) Friday 20 February 2026 DRAW -1.2
Helsloot, J.S. (Jan) (1998) Saturday 7 February 2026 DRAW +0.1
Malfliet, A. (Alexander) (2034) Sunday 25 January 2026 DRAW +1.8
FM Ghannoum, M. (Marc) (2289) Thursday 22 January 2026 LOSS -3.5
Weijers, T.F. (Theo) (1884) Saturday 13 December 2025 WIN +9.5
FM Bouhallel, Rabah (2146) Sunday 7 December 2025 WIN +18.3
Nicolai, A.M. (Amir) (2193) Saturday 22 November 2025 LOSS -5.8
Bakker, J. (Jan) (2049) Saturday 1 November 2025 DRAW +2.2
Vanduyfhuys, Igor (2057) Sunday 12 October 2025 LOSS -10.5
Kuijken, F.D. (Felix) (1933) Tuesday 7 October 2025 DRAW -2.3
Mohnkern, A. (Ansgar) (1982) Saturday 4 October 2025 LOSS -13.1
Fasel, T. (Ton) (1985) Saturday 20 September 2025 LOSS -13.5