KNSB FIDE
RR

Robbert Ritsma

Rated since January 2023

1841 Classic
1827 Rapid
1827 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
BATENBURG, P. (PAUL) 2037
10180 RSB Competitie 2024-2025 8-tallen december · Friday 6 December 2024
KOOL, H. (JESPER) 1980
9644 KNSB competitie 2024-2025 Klasse 5 ronde 1 · Saturday 12 October 2024
GRAAF VAN DER, V.A. (ANDRÉ) 1936
9698 RSB Competitie 2024-2025 8-tallen oktober · Friday 25 October 2024
TOMEH, H. (HUSSAIN) 1918
9187 Erasmus Watertorentoernooi Groep A Ronde 6 t/m 7 · Monday 3 June 2024
BOER DEN, M.F. (MARCEL) 1886
11910 RSB Competitie 2025-2026 Achttallen september · Tuesday 23 September 2025
Worst losses
MIZZI, S. (STEVE) 1568
6252 Chess Festival Groningen Compact C · Wednesday 28 December 2022
STRUIK, L.C. (LEON) 1634
7209 RSB Competitie 2022-2023 8-tallen juni · Monday 8 May 2023
SEGGER, A. (ARMIN) 1640
8374 KNSB competitie 2023-2024 Klasse 5 ronde 5 · Saturday 3 February 2024
VRIES DE, A.T. (ARJAN) 1647
6252 Chess Festival Groningen Compact C · Thursday 29 December 2022
KINOSHITA, K. (KANAKO) 1679
7799 KNSB competitie 2023-2024 Klasse 5 ronde 2 · Saturday 4 November 2023
No FIDE-rated tournaments found.
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +0–0=2
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +2–0=0
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +0–1=0 -6.6
KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +0–1=0 -8.2
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +0–1=0 -6.9
RSB Competitie 2025-2026 Achttallen april Monday 1 September 2025 +1–0=0 +13.7
RSB Competitie 2025-2026 Achttallen maart Monday 1 September 2025 +0–0=4 -3.0
RSB Competitie 2025-2026 Achtallen december Monday 1 September 2025 +0–1=0 -6.4
RSB Competitie 2025-2026 Achtallen november Monday 1 September 2025 +0–0=1 +2.1
RSB Competitie 2025-2026 Achttallen september Monday 1 September 2025 +1–0=0 +14.0
Erasmus Watertorentoernooi Groep A Ronde 7 Monday 7 April 2025 +0–1=0 -8.8
Erasmus Watertorentoernooi Groep A Ronde 3 t/m 6 Monday 7 April 2025 +2–0=1 +25.0
Erasmus Watertorentoernooi Groep A Monday 7 April 2025 +1–1=0 -0.9
KNSB competitie 2024-2025 Klasse 5 ronde 7 Saturday 21 September 2024 +0–1=0 -9.1
KNSB competitie 2024-2025 Klasse 5 ronde 6 Saturday 21 September 2024 +0–1=0 -8.5
KNSB competitie 2024-2025 Klasse 5 ronde 5 Saturday 21 September 2024 +1–0=0 +13.0
KNSB competitie 2024-2025 Klasse 5 ronde 4 Saturday 21 September 2024 +0–0=1 +2.8
KNSB competitie 2024-2025 Klasse 5 ronde 3 Saturday 21 September 2024 +0–1=0 -11.9
KNSB competitie 2024-2025 Klasse 5 ronde 2 Saturday 21 September 2024 +0–1=0 -8.5
KNSB competitie 2024-2025 Klasse 5 ronde 1 Saturday 21 September 2024 +1–0=0 +17.5
RSB Competitie 2024-2025 8-tallen mei Sunday 1 September 2024 +0–1=0 -3.9
RSB Competitie 2024-2025 8-tallen april Sunday 1 September 2024 +0–1=0 -7.4
RSB Competitie 2024-2025 8-tallen maart Sunday 1 September 2024 +0–1=0 -8.3
RSB Competitie 2024-2025 8-tallen februari Sunday 1 September 2024 +0–1=0 -8.0
RSB Competitie 2024-2025 8-tallen december Sunday 1 September 2024 +1–0=0 +19.0
RSB Competitie 2024-2025 8-tallen oktober Sunday 1 September 2024 +1–1=0 +8.3
Erasmus Watertorentoernooi Groep A Ronde 6 t/m 7 Monday 15 April 2024 +1–0=0 +16.0
Erasmus Watertorentoernooi Groep A Ronde 3 t/m 5 Monday 15 April 2024 +2–1=0 +8.2
Erasmus Watertorentoernooi Groep A Ronde 1 t/m 2 Monday 15 April 2024 +1–1=0 -5.8
KNSB competitie 2023-2024 Klasse 5 ronde 7 Saturday 16 September 2023 +1–0=0 +12.1
KNSB competitie 2023-2024 Klasse 5 ronde 6 Saturday 16 September 2023 +0–1=0 -13.4
KNSB competitie 2023-2024 Klasse 5 ronde 5 Saturday 16 September 2023 +0–1=0 -15.4
KNSB competitie 2023-2024 Klasse 5 ronde 4 Saturday 16 September 2023 +1–0=0 +15.3
KNSB competitie 2023-2024 Klasse 5 ronde 3 Saturday 16 September 2023 +1–0=0 +14.9
KNSB competitie 2023-2024 Klasse 5 ronde 2 Saturday 16 September 2023 +0–1=0 -13.7
KNSB competitie 2023-2024 Klasse 5 ronde 1 Saturday 16 September 2023 +0–1=0 -10.4
RSB Competitie 2023-2024 8-tallen mei Friday 1 September 2023 +0–1=0 -7.1
RSB Competitie 2023-2024 8-tallen april Friday 1 September 2023 +0–0=1 +2.6
RSB Competitie 2023-2024 8-tallen maart Friday 1 September 2023 +0–1=0 -7.3
RSB Competitie 2023-2024 8-tallen februari Friday 1 September 2023 +0–0=1 +7.6
RSB Competitie 2023-2024 8-tallen december Friday 1 September 2023 +0–1=0 -4.2
RSB Competitie 2023-2024 8-tallen november Friday 1 September 2023 +1–1=0 +13.1
OKD: Open Kampioenschap Drechtstreek 2023 mede mogelijk gemaakt door Kr@... Thursday 25 May 2023 +3–2=1 +11.1
Watertorentoernooi Ronde 4 t/m 7 Monday 3 April 2023 +1–2=0 -5.0
Watertorentoernooi Watertoren Monday 3 April 2023 +2–1=0 -2.2
Chess Festival Groningen Compact C Wednesday 21 December 2022 +2–2=0 -9.2
KNSB competitie 2022-2023 Klasse 5 ronde 7 Saturday 17 September 2022 +1–0=0 +13.1
KNSB competitie 2022-2023 Klasse 5 ronde 6 Saturday 17 September 2022 +1–0=0 +10.6
KNSB competitie 2022-2023 Klasse 5 ronde 5 Saturday 17 September 2022 +1–0=0 +14.8
KNSB competitie 2022-2023 Klasse 5 ronde 4 Saturday 17 September 2022 +1–0=0
RSB Competitie 2022-2023 8-tallen juli Thursday 1 September 2022 +1–0=0 +13.5
RSB Competitie 2022-2023 8-tallen juni Thursday 1 September 2022 +0–1=0 -17.2
RSB Competitie 2022-2023 8-tallen mei Thursday 1 September 2022 +1–1=0 +6.4
RSB Competitie 2022-2023 8-tallen maart Thursday 1 September 2022 +1–0=0 +6.8

Rating History

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Peak Ratings

Classic 1864 March 1, 2025
Rapid 1829 March 1, 2026
Blitz 1829 March 1, 2026

Games

Wins 34
Losses 34
Draws 12
Win Rate 42%

Performance by Color

Color Wins Draws Losses Win Rate
White 19 7 13 49%
Black 15 5 21 37%

Recent Matches

Hartkoren, M.H. (Maarten) (1861) Thursday 23 April 2026 WIN +13.7
Rietveld, T. (Tygo) Saturday 28 March 2026 DRAW
Rietveld, T. (Tygo) Saturday 28 March 2026 DRAW
Jolly, M.R. (Mark) (1861) Friday 27 March 2026 DRAW +1.1
Jolly, M.R. (Mark) (1861) Friday 27 March 2026 DRAW +1.1
Banerjee, A. (Arnab) Saturday 7 March 2026 WIN
Banerjee, A. (Arnab) Saturday 7 March 2026 WIN
Graaf de, J. (Juri) (1760) Thursday 26 February 2026 DRAW -2.6
Graaf de, J. (Juri) (1760) Thursday 26 February 2026 DRAW -2.6
Romano Tuncel, E. (Erez) (1817) Saturday 7 February 2026 LOSS -6.6
Lafeber, E. (Evert) (1978) Saturday 13 December 2025 LOSS -8.2
Molendijk, P.B. (Pieter) (2025) Saturday 22 November 2025 LOSS -6.9
Lahaye, J.J. (Jordy) (2043) Friday 14 November 2025 LOSS -6.4
Kruidenier, J. (Jos) (1916) Monday 3 November 2025 DRAW +2.1
Boer den, M.F. (Marcel) (1886) Tuesday 23 September 2025 WIN +14.0
Canedo jr., J.M. (Jesus) (1960) Monday 2 June 2025 LOSS -8.8
Paulis, W.D. (Winifred) (1964) Monday 26 May 2025 DRAW +4.5
Besseling, M.T. (Michiel) (2117) Friday 23 May 2025 LOSS -3.9
Brussel van, A.G.J. (Bert) (1766) Monday 19 May 2025 WIN +10.3
Brobbel, J.J.W. (Hans) (1781) Monday 28 April 2025 WIN +10.2