KNSB FIDE
MR

Maarten Roos

Rated since January 2023

1543 Classic
1544 Rapid
1544 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
FELIX, R.J. (ROB) 1624
13138 HSB competitie 2025-2026 HSBCompetitieFeb26 · Tuesday 10 February 2026
HATTUM VAN, K. (KAREL) 1533
13661 13e Best of the West Groep B, ronde 7 · Saturday 13 June 2026
KOLMESCHATE VAN, R. (ROB) 1478
13663 HSB competitie 2025-2026 April2026 · Tuesday 21 April 2026
BERGH VAN DEN, W.J.H.M. (WIM) 1368
12100 13e Best of the West Groep B, ronde 1 · Saturday 18 October 2025
Worst losses
OOSTERHUIS, A. (AREND) 1405
13422 DD Den Haag Open Schaakkampioenschap 2026 Rondes 3-7 · Thursday 12 March 2026
BAAS, R.C. (ROB) 1504
13659 13e Best of the West Groep B, ronde 6 · Saturday 9 May 2026
STOLK, C.C. (CHRIS) 1562
12762 HSB competitie 2025-2026 DecemberJanuari Comp 2526 · Tuesday 16 December 2025
MAHABIERSING, C.G.J. (CASPAR) 1579
13329 13e Best of the West Groep B, ronde 4 · Thursday 12 March 2026
RUTTEN, G. (GERARD) 1611
13465 HSB competitie 2025-2026 CompMrt2026 · Tuesday 3 March 2026
DD Den Haag Open Schaakkampioenschap 2026 Rondes 3-7 Thursday 12 February 2026 +1–4=0 -41.3
DD Den Haag Open Schaakkampioenschap 2026 Rondes 1-2 Thursday 12 February 2026 +0–1=0 -4.8
13e Best of the West Groep B, ronde 7 Saturday 18 October 2025 +1–0=0 +12.6
13e Best of the West Groep B, ronde 6 Saturday 18 October 2025 +0–1=0 -13.9
13e Best of the West Groep B, ronde 5 Saturday 18 October 2025 +0–1=0 -10.1
13e Best of the West Groep B, ronde 4 Saturday 18 October 2025 +0–1=0 -13.6
13e Best of the West Groep B, ronde 3 Saturday 18 October 2025 +0–0=1 +3.3
13e Best of the West Groep B, ronde 2 Saturday 18 October 2025 +0–1=0 -8.2
13e Best of the West Groep B, ronde 1 Saturday 18 October 2025 +1–0=0 +4.4
HSB competitie 2025-2026 April2026 Monday 1 September 2025 +1–0=0 +10.2
HSB competitie 2025-2026 CompMrt2026 Monday 1 September 2025 +0–1=0 -12.5
HSB competitie 2025-2026 HSBCompetitieFeb26 Monday 1 September 2025 +1–0=0 +13.4
HSB competitie 2025-2026 DecemberJanuari Comp 2526 Monday 1 September 2025 +0–1=0 -14.6
HSB competitie 2025-2026 November comp Monday 1 September 2025 +0–1=0 -7.1
HSB competitie 2025-2026 October 2025 Monday 1 September 2025 +0–1=0 -7.9
12e Best of the West Groep B, rondes 6 en 7 Saturday 28 September 2024 +0–1=1 -8.4

Team Competition

Current team
DD 5
3e klasse · 2025-2026 · 6 games
Past teams
DD 4
2e klasse B · 2024-2025
DD 4
klasse 2B · 2023-2024
DD 4
klasse 3A · 2022-2023
DD 5
klasse 4A · 2022-2023

Rating History

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Peak Ratings

Classic 1671 April 1, 2024
Rapid 1611 March 1, 2026
Blitz 1611 March 1, 2026

Games

Wins 5
Losses 14
Draws 2
Win Rate 24%

Performance by Color

Color Wins Draws Losses Win Rate
White 5 1 4 50%
Black 0 1 10 0%

Recent Matches

Hattum van, K. (Karel) (1533) Saturday 13 June 2026 WIN +12.6
Baas, R.C. (Rob) (1504) Saturday 9 May 2026 LOSS -13.9
Kolmeschate van, R. (Rob) (1478) Tuesday 21 April 2026 WIN +10.2
Bergshoeff, G. (Bert) (1613) Saturday 18 April 2026 LOSS -10.1
Hennink, D. (Dick) (1726) Thursday 26 March 2026 LOSS -8.6
Woudstra, L. (Louis) Thursday 19 March 2026 WIN
Mahabiersing, C.G.J. (Caspar) (1579) Thursday 12 March 2026 LOSS -13.6
Oosterhuis, A. (Arend) (1405) Thursday 12 March 2026 LOSS -19.1
Velden van der, R. (Rens) (1782) Thursday 5 March 2026 LOSS -6.9
Rutten, G. (Gerard) (1611) Tuesday 3 March 2026 LOSS -12.5
Nicolaas, J.J.M. (Han) (1776) Thursday 26 February 2026 LOSS -6.7
Tulleken, H.J.A.F. (Herbert) (1696) Saturday 21 February 2026 DRAW +3.3
Vries de, R.R. (Rick) (1846) Thursday 19 February 2026 LOSS -4.8
Felix, R.J. (Rob) (1624) Tuesday 10 February 2026 WIN +13.4
Stolk, C.C. (Chris) (1562) Tuesday 16 December 2025 LOSS -14.6
Zeilemaker, R.C. (Ronny) (1758) Saturday 29 November 2025 LOSS -8.2
Katsarov, M.D. (Maksimilian Dimitrov) (1794) Tuesday 4 November 2025 LOSS -7.1
Bergh van den, W.J.H.M. (Wim) (1368) Saturday 18 October 2025 WIN +4.4
Breugel van, E.A.J. (Eric) (1770) Wednesday 15 October 2025 LOSS -7.9
Speckamp, J. (Jeroen) (1739) Saturday 14 June 2025 LOSS -9.1