WM

Willem Maarschalkerweerd

Rated since January 2023

1613 Classic
1610 Rapid
1610 Blitz

RIVALRY

Nemesis
Mercks, M. (Marcella)
Games: 3 · Win rate: 67%

The good & the bad

Best wins
AARTEN, M.M. (MARJOLEIN) 1656
8989 11e Best of the West Groep B, ronde 6 · Saturday 11 May 2024
WIERINGA, J.G. (JAN) 1528
8652 11e Best of the West Groep B, ronde 4 · Saturday 9 March 2024
MERCKS, M. (MARCELLA) 1360
13329 13e Best of the West Groep B, ronde 4 · Thursday 12 March 2026
BERGH VAN DEN, W.J.H.M. (WIM) 1306
11039 12e Best of the West Groep B, ronde 5 · Saturday 29 March 2025
HEYDEN VAN DER, J.H.M. (JAN) 1286
8019 11e Best of the West Groep B, ronde 3 · Saturday 2 December 2023
Worst losses
SIMPKINS, N. (NICK) 1276
7856 11e Best of the West Groep B, ronde 2 · Saturday 18 November 2023
AU, W. (WILLY) 1351
7097 10e Best of the West Groep B, ronde 6 · Saturday 29 April 2023
MERCKS, M. (MARCELLA) 1368
9635 12e Best of the West Groep B, rondes 1 en 2 · Saturday 28 September 2024
ROELS, S. (SOFIE) 1575
10688 12e Best of the West Groep B, ronde 4 · Saturday 1 March 2025
KNEGT DE, J. (JAAP) 1673
8785 11e Best of the West Groep B, ronde 5 · Saturday 6 April 2024
No FIDE-rated tournaments found.
13e Best of the West Groep B, ronde 5 Saturday 18 October 2025 +0–0=1 +3.2
13e Best of the West Groep B, ronde 4 Saturday 18 October 2025 +2–0=0 +9.8
13e Best of the West Groep B, ronde 3 Saturday 18 October 2025 +0–1=0 -9.7
13e Best of the West Groep B, ronde 2 Saturday 18 October 2025 +0–0=1 -4.9
12e Best of the West Groep B, ronde 5 Saturday 28 September 2024 +1–0=0 +3.2
12e Best of the West Groep B, ronde 4 Saturday 28 September 2024 +0–1=0 -14.4
12e Best of the West Groep B, ronde 3 Saturday 28 September 2024 +0–0=1 -3.1
12e Best of the West Groep B, rondes 1 en 2 Saturday 28 September 2024 +0–1=1 -23.7
11e Best of the West Groep B, ronde 7 Saturday 23 September 2023 +0–1=0 -10.7
11e Best of the West Groep B, ronde 6 Saturday 23 September 2023 +1–0=0 +12.5
11e Best of the West Groep B, ronde 5 Saturday 23 September 2023 +0–1=0 -12.4
11e Best of the West Groep B, ronde 4 Saturday 23 September 2023 +1–0=0 +8.0
11e Best of the West Groep B, ronde 3 Saturday 23 September 2023 +1–0=0 +7.8
11e Best of the West Groep B, ronde 2 Saturday 23 September 2023 +0–1=0 -18.1
11e Best of the West Best of the West, Groep B, ronde 1 Saturday 23 September 2023 +0–0=1 -6.4
10e Best of the West Groep B, ronde 7 Saturday 15 October 2022 +1–0=0 +5.6
10e Best of the West Groep B, ronde 6 Saturday 15 October 2022 +0–1=0 -16.3
10e Best of the West Groep B, ronde 4 Saturday 15 October 2022 +0–0=1
10e Best of the West Groep B, ronde 3 Saturday 15 October 2022 +0–0=1 +5.5

Rating History

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Peak Ratings

Classic 1669 April 1, 2024
Rapid 1610 May 1, 2026
Blitz 1610 May 1, 2026

Games

Wins 7
Losses 7
Draws 7
Win Rate 33%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 4 3 36%
Black 3 3 4 30%

Recent Matches

Tulleken, H.J.A.F. (Herbert) (1703) Saturday 18 April 2026 DRAW +3.2
Mercks, M. (Marcella) (1360) Thursday 12 March 2026 WIN +4.9
Mercks, M. (Marcella) (1360) Thursday 12 March 2026 WIN +4.9
Markus, G.A. (Gijs) (1695) Saturday 21 February 2026 LOSS -9.7
Mahabiersing, C.G.J. (Caspar) (1474) Saturday 29 November 2025 DRAW -4.9
Bergh van den, W.J.H.M. (Wim) (1306) Saturday 29 March 2025 WIN +3.2
Roels, S. (Sofie) (1575) Saturday 1 March 2025 LOSS -14.4
Lange, R. (Rob) (1544) Saturday 16 November 2024 DRAW -3.1
Smit, T. (Tom) (1582) Saturday 19 October 2024 DRAW -2.6
Mercks, M. (Marcella) (1368) Saturday 28 September 2024 LOSS -21.1
Vreeze de, F. (Frans) (1721) Saturday 1 June 2024 LOSS -10.7
Aarten, M.M. (Marjolein) (1656) Saturday 11 May 2024 WIN +12.5
Knegt de, J. (Jaap) (1673) Saturday 6 April 2024 LOSS -12.4
Wieringa, J.G. (Jan) (1528) Saturday 9 March 2024 WIN +8.0
Heyden van der, J.H.M. (Jan) (1286) Saturday 2 December 2023 WIN +7.8
Simpkins, N. (Nick) (1276) Saturday 18 November 2023 LOSS -18.1
Looijen, J. (Jan) (1252) Saturday 23 September 2023 DRAW -6.4
Spaan, W.A. (Willem) (1227) Saturday 17 June 2023 WIN +5.6
Au, W. (Willy) (1351) Saturday 29 April 2023 LOSS -16.3
Rasor, P. (Paul) Saturday 4 February 2023 DRAW