KNSB FIDE
RK

Rowan Koomen

Rated since January 2023

1625 Classic
1625 Rapid
1625 Blitz

Team Competition

Current team
Waalwijk 2
Klasse 6M · 2025-2026 · 1 game

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
PROOK, D.A. (DAVID) 1682
13316 KNSB competitie 2025-2026 Klasse 6 ronde 5 · Saturday 28 March 2026
JONKMAN, S. (SOPHIA) 1552
6418 Tata Steel Chess Tournament 2023 Tienkampen · Sunday 22 January 2023
GOOIJERS, R. (RICHARD) 1470
13023 NHSB-competitie 2025-2026 Viertallen B t/m 15-02-2026 · Thursday 12 February 2026
MELCHERS, B.J. (BERT-JAN) 1398
6418 Tata Steel Chess Tournament 2023 Tienkampen · Sunday 29 January 2023
VRIES DE, R. (ROB) 1319
6418 Tata Steel Chess Tournament 2023 Tienkampen · Tuesday 24 January 2023
Worst losses
CORNELIS, WERNER 1379
6418 Tata Steel Chess Tournament 2023 Tienkampen · Saturday 21 January 2023
NIEUWLAND, J. (JOHN) 1489
8180 NHSB-competitie 2023-2024 Klasse 3B t/m 26-12-2023 · Thursday 14 December 2023
ROY VAN, A. (ARNO) 1509
8275 Tata Steel Chess Tournament 2024 Dagvierkampen · Tuesday 16 January 2024
ESSEN VAN, H. (HENNY) 1514
8275 Tata Steel Chess Tournament 2024 Dagvierkampen · Monday 15 January 2024
TRENTELMAN, G.H. (GERARD) 1599
8275 Tata Steel Chess Tournament 2024 Dagvierkampen · Wednesday 17 January 2024
Tata Steel Chess Tournament 2024 Dagvierkampen Friday 12 January 2024 +0–3=0 -21.4
Tata Steel Chess Tournament 2023 Tienkampen Friday 13 January 2023 +6–1=2 +92.8
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +1–0=0 +15.0
NHSB-competitie 2025-2026 Viertallen B t/m 15-02-2026 Monday 1 September 2025 +1–0=0 +8.1
NHSB-competitie 2025-2026 Viertallen B t/m 16-11-2025 Monday 1 September 2025 +0–1=0 -9.7
NHSB-competitie 2024-2025 Viertallen E t/m 06-04-2025 Sunday 1 September 2024 +1–0=0
NHSB-competitie 2024-2025 Viertallen E t/m 16-03-2025 Sunday 1 September 2024 +1–0=0
NHSB-competitie 2024-2025 Viertallen E t/m 15-12-2024 Sunday 1 September 2024 +1–0=0
NHSB-competitie 2023-2024 Klasse 3B t/m 26-12-2023 Friday 1 September 2023 +0–1=0 -9.0

Rating History

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Peak Ratings

Classic 1625 April 1, 2026
Rapid 1625 April 1, 2026
Blitz 1625 April 1, 2026

Games

Wins 11
Losses 6
Draws 2
Win Rate 58%

Performance by Color

Color Wins Draws Losses Win Rate
White 5 1 3 56%
Black 6 1 3 60%

Recent Matches

Prook, D.A. (David) (1682) Saturday 28 March 2026 WIN +15.0
Gooijers, R. (Richard) (1470) Thursday 12 February 2026 WIN +8.1
Langebeeke, T. (Tom) (1694) Friday 14 November 2025 LOSS -9.7
Negro Ponzi, V. (Valdemar) Friday 4 April 2025 WIN
Ozdemir, O. (Orhan Kamil) Friday 14 March 2025 WIN
Teepe, A. (Arthur) Friday 13 December 2024 WIN
Trentelman, G.H. (Gerard) (1599) Wednesday 17 January 2024 LOSS -5.5
Roy van, A. (Arno) (1509) Tuesday 16 January 2024 LOSS -8.1
Essen van, H. (Henny) (1514) Monday 15 January 2024 LOSS -7.9
Nieuwland, J. (John) (1489) Thursday 14 December 2023 LOSS -9.0
Melchers, B.J. (Bert-Jan) (1398) Sunday 29 January 2023 WIN +17.6
Benschop van, E. (Eric) (1429) Saturday 28 January 2023 DRAW +5.1
Hulsman, E.R. (Egbert) (1291) Friday 27 January 2023 WIN +13.6
Roelse, L. (Liesbeth) (1284) Wednesday 25 January 2023 WIN +13.4
Vries de, R. (Rob) (1319) Tuesday 24 January 2023 WIN +14.7
Ingen Schenau van, J. (Justin) (1351) Monday 23 January 2023 DRAW +2.3
Jonkman, S. (Sophia) (1552) Sunday 22 January 2023 WIN +22.3
Cornelis, Werner (1379) Saturday 21 January 2023 LOSS -10.3
Sasbrink, N.M. (Nel) (1301) Friday 20 January 2023 WIN +14.0