KNSB FIDE
MD

Marijn Demarteau

Rated since January 2023

1458 Classic
1484 Rapid
1456 Blitz

Team Competition

Current teams
Kennemer Combinatie 5
Klasse 6H · 2025-2026 · 7 games
Pegasus Amstelveen 2
3e Klasse B · 2025-2026 · 1 game
Pegasus Amstelveen 3
4e Klasse · 2025-2026 · 8 games
Past teams
Kennemer Combinatie 5
Klasse 6G · 2024-2025
7 games
Pegasus Amstelveen 3
3e Klasse B · 2024-2025
5 games
Pegasus Amstelveen 3
4e Klasse · 2023-2024
7 games

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
DOUMA, R.D. (RINZE) 1643
10470 Tata Steel Chess Tournament 2026 Tienkampen · Saturday 24 January 2026
CONTRERA NARANJO, N. (NÉSTOR) 1637
12100 13e Best of the West Groep B, ronde 1 · Saturday 18 October 2025
GERARDS, A.M.H. (BERT) 1609
13610 13e Best of the West Groep B, ronde 5 · Saturday 18 April 2026
GASE, H. (HARRY) 1606
12411 KNSB competitie 2025-2026 Klasse 6 Ronde 3 · Saturday 22 November 2025
HUISMAN, T. (TON) 1604
10470 Tata Steel Chess Tournament 2026 Tienkampen · Wednesday 28 January 2026
Worst losses
SWARTJES, T. (TOM) 1415
13294 KC Rapid Rush Groep A · Friday 15 May 2026
MOLAVI, A. (ANITA) 1421
12595 KNSB competitie 2025-2026 Klasse 6 ronde 4 · Saturday 13 December 2025
MAHABIERSING, C.G.J. (CASPAR) 1504
10470 Tata Steel Chess Tournament 2026 Tienkampen · Sunday 25 January 2026
GULAVE, D. (DEVRAN) 1521
10470 Tata Steel Chess Tournament 2026 Tienkampen · Friday 30 January 2026
VERBOVEN, G. (GIJS) 1561
13835 SGA Competitie 2025-2026 3e Klasse B ronde 7 en 9 · Wednesday 13 May 2026
HSG Open 2026 Groep D Friday 19 June 2026 +1–2=3 -7.4
18de BPB Limburg Open 2026 Groep D Friday 22 May 2026 +3–4=0
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +2–4=3 +9.9
Amsterdam Chess Open Groep D1 Friday 24 October 2025 +2–2=2 -6.5
KC Rapid Rush Groep A Friday 8 May 2026 +1–2=0 -16.9
Haarlem Open Groep A Friday 6 March 2026 +0–0=1
Haarlem Open Groep A Friday 6 March 2026 +0–3=0 -8.7
KC Rapid Rush Groep A Friday 7 November 2025 +1–3=1 -32.9
13e Best of the West Groep B, ronde 6 Saturday 18 October 2025 +0–1=0 -7.8
13e Best of the West Groep B, ronde 5 Saturday 18 October 2025 +1–0=0 +17.6
13e Best of the West Groep B, ronde 2 Saturday 18 October 2025 +0–1=0 -5.2
13e Best of the West Groep B, ronde 1 Saturday 18 October 2025 +1–0=0 +17.5
SGA Competitie 2025-2026 3e Klasse B ronde 7 en 9 Wednesday 1 October 2025 +0–1=0 -9.8
SGA Competitie 2025-2026 4e Klasse ronde 9 Wednesday 1 October 2025 +0–1=0
SGA Competitie 2025-2026 4e Klasse ronde 7 en 8 Wednesday 1 October 2025 +1–0=0 +9.1
SGA Competitie 2025-2026 4e Klasse ronde 6 en 7 Wednesday 1 October 2025 +1–1=0 -6.6
SGA Competitie 2025-2026 4e Klasse ronde 5 en 6 Wednesday 1 October 2025 +0–0=1 +3.3
SGA Competitie 2025-2026 4e Klasse ronde 3 en 4 Wednesday 1 October 2025 +1–0=0
SGA Competitie 2025-2026 4e Klasse ronde 2 en 3 Wednesday 1 October 2025 +0–0=1 -0.1
SGA Competitie 2025-2026 4e Klasse ronde 1 Wednesday 1 October 2025 +1–0=0
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +0–1=0 -3.1
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +0–1=0 -4.7
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +0–1=0 -8.3
KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +0–1=0 -7.4
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +1–0=0 +17.0
KNSB competitie 2025-2026 Klasse 6 ronde 2 Saturday 20 September 2025 +0–1=0 -4.0
KNSB competitie 2025-2026 Klasse 6 ronde 1 Saturday 20 September 2025 +1–0=0 +6.7
KC Open Groep A Friday 5 September 2025 +0–5=0 -30.0

Rating History

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Peak Ratings

Classic 1581 March 1, 2024
Rapid 1545 Jan. 1, 2025
Blitz 1479 March 1, 2026

Games

Wins 18
Losses 35
Draws 12
Win Rate 28%

Performance by Color

Color Wins Draws Losses Win Rate
White 10 5 19 29%
Black 8 7 16 26%

Recent Matches

Leever, R.L. (Romi) (1229) Sunday 21 June 2026 DRAW -7.4
Muniyasamy, R. (Rakshan) Sunday 21 June 2026 WIN
Romijn, T. (Tijmen) Saturday 20 June 2026 LOSS
Wouters, R. (Robbert) Saturday 20 June 2026 DRAW
Meerkerk, M. (Martijn) Friday 19 June 2026 LOSS
Parlak, K. (Kemal) Friday 19 June 2026 DRAW
Lee, A. (Alexander) Monday 25 May 2026 LOSS
Levy, I. (Ian) Monday 25 May 2026 LOSS
Ajaj, Ibrahim Sunday 24 May 2026 LOSS
Van Heinsbergen, Benjamin Sunday 24 May 2026 WIN
Baiomy, S. (Solav) Saturday 23 May 2026 WIN
Moonen, B.I.E. (Bas) Saturday 23 May 2026 LOSS
Frisch, Eleonora Friday 22 May 2026 WIN
Bakker, B. (Berthold) (1079) Friday 15 May 2026 WIN +1.8
Swartjes, T. (Tom) (1415) Friday 15 May 2026 LOSS -15.5
Tuijnman, J. (Jeannot) (1827) Friday 15 May 2026 LOSS -3.2
Verboven, G. (Gijs) (1561) Wednesday 13 May 2026 LOSS -9.8
Sluis, G.R.M. (Gerton) (1622) Saturday 9 May 2026 LOSS -7.8
Zwart, A.K. (Karim) Tuesday 28 April 2026 LOSS
Gerards, A.M.H. (Bert) (1609) Saturday 18 April 2026 WIN +17.6