KNSB FIDE
MD

Marijn Demarteau

Rated since January 2023

1465 Classic
1501 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
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
SALA, F. (FRANK) 1568
11788 KC Rapid Rush Groep A · Friday 28 November 2025
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
Haarlem Open Groep A Friday 6 March 2026 +0–0=2
Haarlem Open Groep A Friday 6 March 2026 +0–6=0 -17.4
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 +2–0=0 +35.2
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 +2–0=0 +18.1
SGA Competitie 2025-2026 4e Klasse ronde 6 en 7 Wednesday 1 October 2025 +2–2=0 -13.2
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 +0–2=0 -6.2
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +0–2=0 -9.4
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 16
Losses 33
Draws 10
Win Rate 27%

Performance by Color

Color Wins Draws Losses Win Rate
White 9 4 18 29%
Black 7 6 15 25%

Recent Matches

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
Gerards, A.M.H. (Bert) (1609) Saturday 18 April 2026 WIN +17.6
Singh, R. (Riaan) Thursday 16 April 2026 DRAW
Singh, R. (Riaan) Thursday 16 April 2026 DRAW
Picozzi, L. (Luciano) (1355) Monday 13 April 2026 WIN +9.1
Picozzi, L. (Luciano) (1355) Monday 13 April 2026 WIN +9.1
Haakman, L.P.A. (Leonard) (1809) Saturday 28 March 2026 LOSS -3.1
Haakman, L.P.A. (Leonard) (1809) Saturday 28 March 2026 LOSS -3.1
Clark, L.A. (Liam) Wednesday 18 March 2026 LOSS
Clark, L.A. (Liam) Wednesday 18 March 2026 LOSS
Nieberg, D. (Debby) (1659) Tuesday 17 March 2026 LOSS -6.6
Nieberg, D. (Debby) (1659) Tuesday 17 March 2026 LOSS -6.6
Teske, E. (Erik) (1679) Tuesday 10 March 2026 LOSS -6.1
Teske, E. (Erik) (1679) Tuesday 10 March 2026 LOSS -6.1
Westra, G. (Ger) (1731) Saturday 7 March 2026 LOSS -4.7
Westra, G. (Ger) (1731) Saturday 7 March 2026 LOSS -4.7
Dekker, A. (Albert) (1835) Friday 6 March 2026 LOSS -2.7