KNSB FIDE
PW

Piet van Wonderen

Rated since January 2023

1946 Classic
1961 Rapid
1961 Blitz

RIVALRY

Nemesis
Kuijs, G.P.H.M. (Gerard)
Games: 9 · Win rate: 44%
Kryptonite
Schmit, E.A. (Evert)
Games: 5 · Win rate: 0%
Easy Target
Dijker, P. (Pieter)
Games: 3 · Win rate: 100%

The good & the bad

Best wins
KLOOSTER VAN DER, E. (ERIC) 2010
13143 S.V. Castricum interne competitie 30-01-2026 t/m 20-02-2026 (090009) · Saturday 7 February 2026
LEEUWERIK, J.J. (HANS) 1989
12830 S.V. Castricum interne competitie 09-01-2026 t/m 23-01-2026 (090009) · Friday 9 January 2026
BEERSE, W. (WOUTER) 1921
13331 S.V. Castricum interne competitie 27-02-2026 t/m 27-03-2026 (090009) · Friday 27 March 2026
KUIJS, P. (PIET) 1910
12379 S.V. Castricum interne competitie 31-10-2025 t/m 22-11-2025 (090009) · Saturday 22 November 2025
LUTE, C.N.A. (KEES) 1892
14044 S.V. Castricum interne competitie 05-06-2026 t/m 26-06-2026 (090009) · Friday 5 June 2026
Worst losses
CHADWICK, J.C. (JOHN) 1463
7651 S.V. Castricum interne competitie 29-09-2023 t/m 20-10-2023 (090009) · Friday 20 October 2023
KUIJS, G.P.H.M. (GERARD) 1635
8046 S.V. Castricum interne competitie 24-11-2023 t/m 22-12-2023 (090009) · Friday 15 December 2023
KEMPERINK, H.J.W.M. (HAN) 1635
6739 S.V. Castricum interne competitie 24-02-2023 t/m 17-03-2023 (090009) · Friday 24 February 2023
SCHMIT, E.A. (EVERT) 1663
6739 S.V. Castricum interne competitie 24-02-2023 t/m 17-03-2023 (090009) · Friday 3 March 2023
HARMSE, P. (PAUL) 1681
11499 S.V. Castricum interne competitie 30-05-2025 t/m 27-06-2025 (090009) · Friday 30 May 2025
No FIDE-rated tournaments found.
S.V. Castricum interne competitie 05-06-2026 t/m 26-06-2026 (090009) Friday 29 May 2026 +1–0=2 +2.3
S.V. Castricum interne competitie 15-05-2026 t/m 22-05-2026 (090009) Friday 8 May 2026 +1–1=1 -12.0
S.V. Castricum interne competitie 10-04-2026 t/m 24-04-2026 (090009) Friday 10 April 2026 +1–1=1 -4.9
S.V. Castricum interne competitie 27-02-2026 t/m 27-03-2026 (090009) Friday 27 February 2026 +2–1=1 +7.9
S.V. Castricum interne competitie 30-01-2026 t/m 20-02-2026 (090009) Friday 9 January 2026 +2–0=1 +22.3
S.V. Castricum interne competitie 09-01-2026 t/m 23-01-2026 (090009) Friday 9 January 2026 +3–0=0 +39.2
S.V. Castricum interne competitie 28-11-2025 t/m 19-12-2025 (090009) Friday 28 November 2025 +1–0=1 +6.1
S.V. Castricum interne competitie 31-10-2025 t/m 22-11-2025 (090009) Friday 31 October 2025 +1–0=1 +20.8
S.V. Castricum interne competitie 03-10-2025 t/m 24-10-2025 (090009) Friday 3 October 2025 +1–1=1 -7.0
S.V. Castricum interne competitie 05-09-2025 t/m 26-09-2025 (090009) Friday 5 September 2025 +1–1=2 -15.8
NHSB-competitie 2025-2026 Klasse 2B t/m 14-12-2025 Monday 1 September 2025 +0–0=1 -3.0
NHSB-competitie 2025-2026 Klasse 2B t/m 02-11-2025 Monday 1 September 2025 +1–0=0 +12.4
NHSB-competitie 2025-2026 Klasse 1B t/m 12-10-2025 Monday 1 September 2025 +1–0=0 +11.5
S.V. Castricum interne competitie 30-05-2025 t/m 27-06-2025 (090009) Friday 30 May 2025 +3–1=0 +8.4
S.V. Castricum interne competitie 09-05-2025 t/m 24-05-2025 (090009) Friday 2 May 2025 +0–1=2 -5.5
S.V. Castricum interne competitie 28-03-2025 t/m 25-04-2025 (090009) Friday 28 March 2025 +1–1=1 +7.3
S.V. Castricum interne competitie 28-02-2025 t/m 21-03-2025 (090009) Friday 28 February 2025 +0–1=0 -14.9
S.V. Castricum interne competitie 31-01-2025 t/m 21-02-2025 (090009) Friday 31 January 2025 +0–2=2 -28.2
S.V. Castricum interne competitie 20-12-2024 t/m 24-01-2025 (090009) Friday 20 December 2024 +1–1=2 +1.3
S.V. Castricum interne competitie 29-11-2024 t/m 13-12-2024 (090009) Friday 29 November 2024 +1–0=2 +13.3
S.V. Castricum interne competitie 01-11-2024 t/m 22-11-2024 (090009) Friday 1 November 2024 +2–0=1 +16.3
S.V. Castricum interne competitie 27-09-2024 t/m 25-10-2024 (090009) Friday 27 September 2024 +2–1=1 -11.2
S.V. Castricum interne competitie 06-09-2024 t/m 20-09-2024 (090009) Friday 6 September 2024 +1–1=1 -7.3
NHSB-competitie 2024-2025 Klasse 2C t/m 20-04-2025 Sunday 1 September 2024 +1–0=0 +8.2
NHSB-competitie 2024-2025 Klasse 2C t/m 23-03-2025 Sunday 1 September 2024 +1–0=0 +2.3
NHSB-competitie 2024-2025 Klasse 2D t/m 23-03-2025 Sunday 1 September 2024 +1–0=0 +10.4
NHSB-competitie 2024-2025 Klasse 2C t/m 02-03-2025 Sunday 1 September 2024 +1–0=0 +11.4
NHSB-competitie 2024-2025 Klasse 2D t/m 26-10-2024 Sunday 1 September 2024 +0–1=0 -14.0
S.V. Castricum interne competitie 31-05-2024 t/m 21-06-2024 (090009) Friday 31 May 2024 +1–1=0 +0.2
S.V. Castricum interne competitie 05-04-2024 t/m 24-05-2024 (090009) Friday 5 April 2024 +2–2=2 -4.0
S.V. Castricum interne competitie 01-03-2024 t/m 22-03-2024 (090009) Friday 1 March 2024 +1–0=1 +15.8
S.V. Castricum interne competitie 27-01-2024 t/m 23-02-2024 (090009) Friday 26 January 2024 +3–0=2 +41.6
S.V. Castricum interne competitie 05-01-2024 t/m 19-01-2024 (090009) Friday 5 January 2024 +1–0=2 +7.1
S.V. Castricum interne competitie 24-11-2023 t/m 22-12-2023 (090009) Friday 24 November 2023 +2–2=1 -9.7
S.V. Castricum interne competitie 03-11-2023 t/m 17-11-2023 (090009) Friday 27 October 2023 +1–1=0 +2.8
S.V. Castricum interne competitie 27-10-2023 t/m 27-10-2023 (090009) Friday 27 October 2023 +1–0=0 +2.0
S.V. Castricum interne competitie 29-09-2023 t/m 20-10-2023 (090009) Friday 29 September 2023 +1–1=1 -14.5
NHSB-competitie 2023-2024 Klasse 1A t/m 26-03-2024 Friday 1 September 2023 +1–0=0
NHSB-competitie 2023-2024 Klasse 1A t/m november Friday 1 September 2023 +0–0=1 -2.4
NHSB-competitie 2023-2024 Klasse 1A t/m oktober Friday 1 September 2023 +0–0=1 +2.4
S.V. Castricum interne competitie 01-09-2023 t/m 22-09-2023 (090009) Friday 1 September 2023 +1–1=1 -6.1
S.V. Castricum interne competitie 30-06-2023 t/m 30-06-2023 (090009) Friday 30 June 2023 +1–0=0 +18.0
S.V. Castricum interne competitie 26-05-2023 t/m 23-06-2023 (090009) Friday 26 May 2023 +0–1=3 -1.1
S.V. Castricum interne competitie 28-04-2023 t/m 19-05-2023 (090009) Friday 28 April 2023 +2–0=1 +27.3
S.V. Castricum interne competitie 31-03-2023 t/m 21-04-2023 (090009) Friday 31 March 2023 +1–0=2 +5.1
S.V. Castricum interne competitie 24-02-2023 t/m 17-03-2023 (090009) Friday 24 February 2023 +2–2=0 -13.5
S.V. Castricum interne competitie 07-01-2023 t/m 17-02-2023 (090009) Friday 6 January 2023 +2–2=2 +18.4
S.V. Castricum interne competitie 25-11-2022 t/m 23-12-2022 (090009) Friday 25 November 2022 +1–1=2 -8.6
NHSB-competitie 2022-2023 Klasse 3C t/m maart Thursday 1 September 2022 +0–0=1 -3.5

Rating History

Loading rating history...

Peak Ratings

Classic 1961 April 1, 2026
Rapid 1961 May 1, 2026
Blitz 1961 May 1, 2026

Games

Wins 55
Losses 29
Draws 47
Win Rate 42%

Performance by Color

Color Wins Draws Losses Win Rate
White 34 20 7 56%
Black 21 27 22 30%

Recent Matches

Zwet van, A.M. (Matthias) (1852) Friday 26 June 2026 DRAW -3.6
Pinxteren van, G. (Gerard) (1826) Friday 19 June 2026 DRAW -4.4
Lute, C.N.A. (Kees) (1892) Friday 5 June 2026 WIN +10.3
Kuijs, G.P.H.M. (Gerard) (1776) Friday 22 May 2026 DRAW -5.9
Beerse, W. (Wouter) (1986) Friday 15 May 2026 LOSS -11.5
Maas van der, J. (Jan) (1728) Friday 8 May 2026 WIN +5.3
Klooster van der, E. (Eric) (2036) Friday 24 April 2026 LOSS -9.9
Kuijs, P. (Piet) (1864) Friday 17 April 2026 DRAW -3.3
Brugman, H. (Hidde) (1837) Friday 10 April 2026 WIN +8.3
Beerse, W. (Wouter) (1921) Friday 27 March 2026 WIN +12.2
Leeuwerik, J.J. (Hans) (1981) Friday 20 March 2026 LOSS -10.8
Hoff, P. (Pim) (1787) Friday 6 March 2026 WIN +7.7
Lute, C.N.A. (Kees) (1898) Friday 27 February 2026 DRAW -1.2
Froma, M. (Maarten) (1943) Friday 20 February 2026 DRAW +0.4
Kuijs, G.P.H.M. (Gerard) (1753) Friday 13 February 2026 WIN +6.7
Klooster van der, E. (Eric) (2010) Saturday 7 February 2026 WIN +15.2
Brugman, H. (Hidde) (1834) Friday 23 January 2026 WIN +10.5
Beerse, W. (Wouter) (1903) Friday 16 January 2026 WIN +12.9
Leeuwerik, J.J. (Hans) (1989) Friday 9 January 2026 WIN +15.8
Dijker, P. (Pieter) (1593) Friday 19 December 2025 WIN +4.8