KNSB FIDE
JM

Jan van der Maas

Rated since January 2023

1728 Classic
1719 Rapid
1644 Blitz

RIVALRY

Nemesis
Enk van den, T. (Tobias)
Games: 4 · Win rate: 50%
Kryptonite
Pinxteren van, G. (Gerard)
Games: 4 · Win rate: 0%
Easy Target
Hoekstra, S. (Sjoerd)
Games: 4 · Win rate: 75%

The good & the bad

Best wins
ZWET VAN, A.M. (MATTHIAS) 1860
10354 S.V. Castricum interne competitie 20-12-2024 t/m 24-01-2025 (090009) · Friday 10 January 2025
POOL, W. (WIM) 1808
13143 S.V. Castricum interne competitie 30-01-2026 t/m 20-02-2026 (090009) · Saturday 7 February 2026
ENK VAN DEN, T. (TOBIAS) 1754
12379 S.V. Castricum interne competitie 31-10-2025 t/m 22-11-2025 (090009) · Friday 14 November 2025
KUIJS, G.P.H.M. (GERARD) 1753
13331 S.V. Castricum interne competitie 27-02-2026 t/m 27-03-2026 (090009) · Friday 13 March 2026
JONGES, S. (SELWYN) 1731
10470 Tata Steel Chess Tournament 2026 Tienkampen · Friday 30 January 2026
Worst losses
ZWIKKER, I.M. (ISCHA) 1029
8425 S.V. Castricum interne competitie 27-01-2024 t/m 23-02-2024 (090009) · Friday 2 February 2024
SLUITER, F. (FRANK) 1172
8046 S.V. Castricum interne competitie 24-11-2023 t/m 22-12-2023 (090009) · Friday 8 December 2023
LINDEN VAN DER, R.W.H. (RENÉ) 1182
8425 S.V. Castricum interne competitie 27-01-2024 t/m 23-02-2024 (090009) · Friday 23 February 2024
FEKKES, B. (BOOR) 1461
6534 S.V. Castricum interne competitie 07-01-2023 t/m 17-02-2023 (090009) · Friday 13 January 2023
HOEKSTRA, S. (SJOERD) 1502
11500 S.V. Castricum interne competitie 06-06-2025 t/m 06-06-2025 (090009) · Friday 6 June 2025
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +4–4=1 -5.5
Tata Steel Chess Tournament 2025 Tienkampen Friday 17 January 2025 +0–6=3 -84.3
Tata Steel Chess Tournament 2024 Tienkampen Friday 12 January 2024 +2–3=3 +13.8
Tata Steel Chess Tournament 2023 Tienkampen Friday 13 January 2023 +6–0=3 +56.7
S.V. Castricum interne competitie 27-02-2026 t/m 27-03-2026 (090009) Friday 27 February 2026 +1–1=0 +5.4
S.V. Castricum interne competitie 30-01-2026 t/m 20-02-2026 (090009) Friday 9 January 2026 +1–1=1 +12.6
S.V. Castricum interne competitie 09-01-2026 t/m 23-01-2026 (090009) Friday 9 January 2026 +1–1=0 +3.8
S.V. Castricum interne competitie 28-11-2025 t/m 19-12-2025 (090009) Friday 28 November 2025 +0–0=2 +5.8
S.V. Castricum interne competitie 31-10-2025 t/m 22-11-2025 (090009) Friday 31 October 2025 +1–0=1 +16.6
S.V. Castricum interne competitie 03-10-2025 t/m 24-10-2025 (090009) Friday 3 October 2025 +2–0=0 +20.8
S.V. Castricum interne competitie 05-09-2025 t/m 26-09-2025 (090009) Friday 5 September 2025 +1–1=1 +1.2
S.V. Castricum interne competitie 30-05-2025 t/m 27-06-2025 (090009) Friday 30 May 2025 +1–0=1 +13.2
S.V. Castricum interne competitie 06-06-2025 t/m 06-06-2025 (090009) Friday 30 May 2025 +5–5=0 -10.2
S.V. Castricum interne competitie 09-05-2025 t/m 24-05-2025 (090009) Friday 2 May 2025 +0–1=1 -12.3
S.V. Castricum interne competitie 28-03-2025 t/m 25-04-2025 (090009) Friday 28 March 2025 +2–1=0 +13.8
S.V. Castricum interne competitie 28-02-2025 t/m 21-03-2025 (090009) Friday 28 February 2025 +1–1=0 -5.8
S.V. Castricum interne competitie 31-01-2025 t/m 21-02-2025 (090009) Friday 31 January 2025 +0–1=0 -9.7
S.V. Castricum interne competitie 27-12-2024 t/m 27-12-2024 (090009) Friday 27 December 2024 +3–3=0 -2.8
S.V. Castricum interne competitie 20-12-2024 t/m 24-01-2025 (090009) Friday 20 December 2024 +3–0=0 +31.6
S.V. Castricum interne competitie 29-11-2024 t/m 13-12-2024 (090009) Friday 29 November 2024 +1–1=1 -1.5
S.V. Castricum interne competitie 01-11-2024 t/m 22-11-2024 (090009) Friday 1 November 2024 +0–2=0 -15.5
S.V. Castricum interne competitie 27-09-2024 t/m 25-10-2024 (090009) Friday 27 September 2024 +1–1=1 +0.0
S.V. Castricum interne competitie 06-09-2024 t/m 20-09-2024 (090009) Friday 6 September 2024 +2–1=0 +1.4
S.V. Castricum interne competitie 05-04-2024 t/m 24-05-2024 (090009) Friday 5 April 2024 +2–2=1 -5.5
S.V. Castricum interne competitie 01-03-2024 t/m 22-03-2024 (090009) Friday 1 March 2024 +2–1=0 +16.6
S.V. Castricum interne competitie 27-01-2024 t/m 23-02-2024 (090009) Friday 26 January 2024 +0–2=0 -47.1
S.V. Castricum interne competitie 05-01-2024 t/m 19-01-2024 (090009) Friday 5 January 2024 +1–0=0 +5.1
S.V. Castricum interne competitie 24-11-2023 t/m 22-12-2023 (090009) Friday 24 November 2023 +0–2=1 -33.1
S.V. Castricum interne competitie 03-11-2023 t/m 17-11-2023 (090009) Friday 27 October 2023 +0–1=0
S.V. Castricum interne competitie 27-10-2023 t/m 27-10-2023 (090009) Friday 27 October 2023 +0–0=1 -6.7
S.V. Castricum interne competitie 29-09-2023 t/m 20-10-2023 (090009) Friday 29 September 2023 +1–2=1 -14.8
S.V. Castricum interne competitie 01-09-2023 t/m 22-09-2023 (090009) Friday 1 September 2023 +0–1=3 +5.8
S.V. Castricum interne competitie 30-06-2023 t/m 30-06-2023 (090009) Friday 30 June 2023 +1–0=0 +6.7
S.V. Castricum interne competitie 26-05-2023 t/m 23-06-2023 (090009) Friday 26 May 2023 +0–1=2 -11.3
S.V. Castricum interne competitie 28-04-2023 t/m 19-05-2023 (090009) Friday 28 April 2023 +1–0=1 +17.6
S.V. Castricum interne competitie 31-03-2023 t/m 21-04-2023 (090009) Friday 31 March 2023 +1–0=0 +9.4
S.V. Castricum interne competitie 24-02-2023 t/m 17-03-2023 (090009) Friday 24 February 2023 +1–0=1 +3.0
S.V. Castricum interne competitie 07-01-2023 t/m 17-02-2023 (090009) Friday 6 January 2023 +1–2=1 -18.8
S.V. Castricum interne competitie 25-11-2022 t/m 23-12-2022 (090009) Friday 25 November 2022 +2–2=1 +5.3

Rating History

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Peak Ratings

Classic 1752 Feb. 1, 2025
Rapid 1719 Jan. 1, 2025
Blitz 1644 July 1, 2025

Games

Wins 51
Losses 50
Draws 32
Win Rate 38%

Performance by Color

Color Wins Draws Losses Win Rate
White 29 19 22 41%
Black 22 13 28 35%

Recent Matches

Eng van der, H.P.M. (Henk) (1839) Friday 27 March 2026 LOSS -8.3
Kuijs, G.P.H.M. (Gerard) (1753) Friday 13 March 2026 WIN +13.8
Schmit, E.A. (Evert) (1755) Friday 20 February 2026 LOSS -11.1
Leeuwerik, J.J. (Hans) (1981) Friday 13 February 2026 DRAW +8.1
Pool, W. (Wim) (1808) Saturday 7 February 2026 WIN +15.7
Pot, J.L.H. (Hans) (1673) Sunday 1 February 2026 LOSS -13.9
Rijsoort van, P.H. (Piet-Hein) (1710) Saturday 31 January 2026 WIN +12.4
Jonges, S. (Selwyn) (1731) Friday 30 January 2026 WIN +13.2
Jean, R. (Robert) (1601) Wednesday 28 January 2026 WIN +8.7
Mihailescu, L. (Lucian) (1678) Tuesday 27 January 2026 LOSS -13.7
Kaushik, S. (Shashank) (1698) Monday 26 January 2026 DRAW -0.2
Vyšniauskas, A. (Algirdas) (1667) Sunday 25 January 2026 LOSS -14.1
Gozeling, E.V. (Edwin) (1730) Saturday 24 January 2026 WIN +13.1
Lagontrie de, J. (Jean) (1753) Friday 23 January 2026 LOSS -11.1
Pinxteren van, G. (Gerard) (1807) Friday 16 January 2026 LOSS -9.2
Harmse, P. (Paul) (1729) Friday 9 January 2026 WIN +13.1
Kuijs, G.P.H.M. (Gerard) (1736) Friday 19 December 2025 DRAW +1.6
Kemperink, H.J.W.M. (Han) (1812) Friday 12 December 2025 DRAW +4.2
Benschop van, E. (Eric) (1701) Saturday 22 November 2025 DRAW +1.2
Enk van den, T. (Tobias) (1754) Friday 14 November 2025 WIN +15.5