KNSB FIDE
JM

Johan Monster

Rated since March 2026

1866 Classic
1837 Rapid
1837 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
KOUWENHOVEN, A. (ARJEN) 1977
12669 RSB Competitie 2025-2026 Beker ronde 2 · Saturday 13 December 2025
TIMMERMANS, A.L. (ADRI) 1898
12667 RSB Competitie 2025-2026 Achtallen december · Tuesday 2 December 2025
Worst losses
KOUWENHOVEN, A. (ARJEN) 1931
13685 RSB Competitie 2025-2026 Achttallen april · Monday 20 April 2026
PLUIM MENTZ, E.J. (ERNST JAN) 2080
12467 RSB Competitie 2025-2026 Achtallen november · Thursday 6 November 2025
BERGH VAN DEN, P.M. (PETER) 2110
11910 RSB Competitie 2025-2026 Achttallen september · Thursday 25 September 2025
ROORDA, T. (THIJS) 2151
13446 RSB Competitie 2025-2026 Achttallen maart · Thursday 26 February 2026
No FIDE-rated tournaments found.
RSB Competitie 2025-2026 Achttallen april Monday 1 September 2025 +0–1=0 -14.8
RSB Competitie 2025-2026 Achttallen maart Monday 1 September 2025 +0–1=0 -6.0
RSB Competitie 2025-2026 Beker ronde 2 Monday 1 September 2025 +1–0=0 +26.5
RSB Competitie 2025-2026 Achtallen december Monday 1 September 2025 +1–0=0 +22.7
RSB Competitie 2025-2026 Achtallen november Monday 1 September 2025 +0–1=0 -7.3
RSB Competitie 2025-2026 Achttallen september Monday 1 September 2025 +0–1=0 -6.6
RSB Competitie 2024-2025 8-tallen mei Sunday 1 September 2024 +0–0=1 +1.7

Rating History

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Peak Ratings

Classic 1866 April 1, 2026
Rapid 1837 March 1, 2026
Blitz 1837 March 1, 2026

Games

Wins 2
Losses 4
Draws 1
Win Rate 29%

Performance by Color

Color Wins Draws Losses Win Rate
White 2 1 2 40%
Black 0 0 2 0%

Recent Matches

Kouwenhoven, A. (Arjen) (1931) Monday 20 April 2026 LOSS -14.8
Roorda, T. (Thijs) (2151) Thursday 26 February 2026 LOSS -6.0
Kouwenhoven, A. (Arjen) (1977) Saturday 13 December 2025 WIN +26.5
Timmermans, A.L. (Adri) (1898) Tuesday 2 December 2025 WIN +22.7
Pluim Mentz, E.J. (Ernst Jan) (2080) Thursday 6 November 2025 LOSS -7.3
Bergh van den, P.M. (Peter) (2110) Thursday 25 September 2025 LOSS -6.6
Hest van, J.B.M. (John) (1866) Tuesday 20 May 2025 DRAW +1.7