KM

Kees Maas

Rated since January 2023

1659 Classic
1659 Rapid
1659 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
HALEM VAN, F. (FRANK) 1542
6028 SGS Viertallencompetitie Mei 2023 · Monday 15 May 2023
RUIS, H. (HANS) 1538
6024 SGS Viertallencompetitie Jan 2023 · Tuesday 10 January 2023
DIJK VAN, B. (BERT) 1395
7888 SGS Viertallencompetitie 2023/2024 December 2023 · Monday 4 December 2023
SCHOUT, W. (WIM) 1299
6026 SGS Viertallencompetitie Mrt 2023 · Monday 20 March 2023
GROENEWEGEN, G. (GERRIT) 1271
6023 SGS Viertallencompetitie Dec 2022 · Monday 12 December 2022
Worst losses
GROOT BRUINDERINK, T.R.T. (TIM) 1506
7889 SGS Viertallencompetitie 2023/2024 Januari 2024 · Tuesday 9 January 2024
SZCZERBA, B.P.A.M. (BEN) 1540
6025 SGS Viertallencompetitie Feb 2023 · Monday 13 February 2023
SIERO, L.A.M. (LUCAS) 1547
7890 SGS Viertallencompetitie 2023/2024 Februari 2024 · Monday 12 February 2024
ZIJLSTRA, T. (TJERK) 1740
7891 SGS Viertallencompetitie 2023/2024 Maart 2024 · Monday 11 March 2024
JANSEN, G. (GERRIT) 1865
9869 SGS Viertallencompetitie 2024/2025 2025-04 · Monday 7 April 2025
No FIDE-rated tournaments found.
SGS Viertallencompetitie 2025-2026 2026-02 Wednesday 1 October 2025 +0–0=1 -2.6
SGS Viertallencompetitie 2025-2026 2026-01 Wednesday 1 October 2025 +0–1=0
SGS Viertallencompetitie 2024/2025 2025-04 Friday 1 November 2024 +0–1=1 -7.1
SGS Viertallencompetitie 2023/2024 Mei 2024 Sunday 1 October 2023 +1–0=0
SGS Viertallencompetitie 2023/2024 Maart 2024 Sunday 1 October 2023 +0–1=0 -14.0
SGS Viertallencompetitie 2023/2024 Februari 2024 Sunday 1 October 2023 +0–1=0 -14.0
SGS Viertallencompetitie 2023/2024 Januari 2024 Sunday 1 October 2023 +0–1=0 -16.9
SGS Viertallencompetitie 2023/2024 December 2023 Sunday 1 October 2023 +1–0=0 +12.8
SGS Viertallencompetitie Mei 2023 Monday 24 October 2022 +1–0=0 +21.1
SGS Viertallencompetitie Apr 2023 Monday 24 October 2022 +0–1=0
SGS Viertallencompetitie Mrt 2023 Monday 24 October 2022 +1–0=0 +10.2
SGS Viertallencompetitie Feb 2023 Monday 24 October 2022 +0–1=0 -14.7
SGS Viertallencompetitie Jan 2023 Monday 24 October 2022 +1–0=0 +22.6
SGS Viertallencompetitie Dec 2022 Monday 24 October 2022 +1–0=0 +10.2

Rating History

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Peak Ratings

Classic 1683 March 1, 2024
Rapid 1659 March 1, 2026
Blitz 1659 March 1, 2026

Games

Wins 6
Losses 7
Draws 2
Win Rate 40%

Performance by Color

Color Wins Draws Losses Win Rate
White 5 1 4 50%
Black 1 1 3 20%

Recent Matches

Jacobs, M.G.P. (Michel) (1605) Monday 12 January 2026 DRAW -2.6
Meerman, F. (Frank) Thursday 4 December 2025 LOSS
Jansen, G. (Gerrit) (1865) Monday 7 April 2025 LOSS -8.1
Roggeband, J.W. (Jens) (1691) Tuesday 1 April 2025 DRAW +1.0
Delden van, R. (Ruben) Friday 26 April 2024 WIN
Zijlstra, T. (Tjerk) (1740) Monday 11 March 2024 LOSS -14.0
Siero, L.A.M. (Lucas) (1547) Monday 12 February 2024 LOSS -14.0
Groot Bruinderink, T.R.T. (Tim) (1506) Tuesday 9 January 2024 LOSS -16.9
Dijk van, B. (Bert) (1395) Monday 4 December 2023 WIN +12.8
Halem van, F. (Frank) (1542) Monday 15 May 2023 WIN +21.1
Moorman, L.F. (Lester) Friday 14 April 2023 LOSS
Schout, W. (Wim) (1299) Monday 20 March 2023 WIN +10.2
Szczerba, B.P.A.M. (Ben) (1540) Monday 13 February 2023 LOSS -14.7
Ruis, H. (Hans) (1538) Tuesday 10 January 2023 WIN +22.6
Groenewegen, G. (Gerrit) (1271) Monday 12 December 2022 WIN +10.2