KNSB FIDE
PW

Piet van Wonderen

Rated since January 2023

1961 Classic
1961 Rapid
1961 Blitz

RIVALRY

Nemesis
Kuijs, G.P.H.M. (Gerard)
Games: 8 · Win rate: 50%
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
ENG VAN DER, H.P.M. (HENK) 1871
9026 S.V. Castricum interne competitie 05-04-2024 t/m 24-05-2024 (090009) · Friday 19 April 2024
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 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

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Peak Ratings

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

Games

Wins 52
Losses 27
Draws 43
Win Rate 43%

Performance by Color

Color Wins Draws Losses Win Rate
White 33 20 6 56%
Black 19 23 21 30%

Recent Matches

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
Lemmen, G. (Gerrit) (1802) Friday 12 December 2025 DRAW -3.0
Lute, C.N.A. (Kees) (1884) Friday 28 November 2025 DRAW +1.4
Kuijs, P. (Piet) (1910) Saturday 22 November 2025 WIN +14.5
Klooster van der, E. (Eric) (2046) Friday 7 November 2025 DRAW +6.3
Breedveld, E. (Erik) (1848) Friday 31 October 2025 WIN +12.4
Pool, W. (Wim) (1797) Friday 24 October 2025 WIN +10.6
Kuijs, G.P.H.M. (Gerard) (1759) Friday 17 October 2025 DRAW -3.2
Meems, C. (Cornelis) (1823) Friday 10 October 2025 WIN +11.5
Brugman, H. (Hidde) (1793) Friday 3 October 2025 LOSS -14.5