CB

Coos Boerma

Rated since March 2026

1515 Classic
1515 Rapid
1515 Blitz

RIVALRY

Nemesis
Russchen, J. (Jannie)
Games: 3 · Win rate: 33%
Easy Target
Smedinga, T.H. (Teije)
Games: 3 · Win rate: 67%

The good & the bad

Best wins
HUISMAN, F.J. (FRANS) 1790
12138 S.C. Roden interne competitie 01-09-2025 t/m 20-10-2025 (020026) · Monday 20 October 2025
BOSMAN, F. (FRITS) 1634
11389 S.C. Roden interne competitie 28-04-2025 t/m 26-05-2025 (020026) · Monday 28 April 2025
HAGEMAN, C. (CEES) 1586
12138 S.C. Roden interne competitie 01-09-2025 t/m 20-10-2025 (020026) · Monday 1 September 2025
SMEDINGA, T.H. (TEIJE) 1578
11389 S.C. Roden interne competitie 28-04-2025 t/m 26-05-2025 (020026) · Monday 26 May 2025
DUISTERWINKEL, K. (KEES) 1458
12906 S.C. Roden interne competitie 29-12-2025 t/m 19-01-2026 (020026) · Monday 19 January 2026
Worst losses
RUSSCHEN, J. (JANNIE) 1244
12697 S.C. Roden interne competitie 01-12-2025 t/m 22-12-2025 (020026) · Monday 1 December 2025
HETHARIA, H. (HANS) 1470
12697 S.C. Roden interne competitie 01-12-2025 t/m 22-12-2025 (020026) · Monday 8 December 2025
WEGERIF, A.P. (ARNOUT) 1562
12697 S.C. Roden interne competitie 01-12-2025 t/m 22-12-2025 (020026) · Monday 15 December 2025
HAGEMAN, C. (CEES) 1584
13137 S.C. Roden interne competitie 26-01-2026 t/m 23-02-2026 (020026) · Monday 26 January 2026
PEZIJ, J. (JAN) 1607
12515 S.C. Roden interne competitie 27-10-2025 t/m 17-11-2025 (020026) · Monday 17 November 2025
No FIDE-rated tournaments found.
S.C. Roden interne competitie 30-03-2026 t/m 13-04-2026 (020026) Monday 1 September 2025 +1–0=0 +6.4
S.C. Roden interne competitie 09-03-2026 t/m 23-03-2026 (020026) Monday 1 September 2025 +0–1=2 -18.5
S.C. Roden interne competitie 26-01-2026 t/m 23-02-2026 (020026) Monday 1 September 2025 +2–1=1 +11.2
S.C. Roden interne competitie 29-12-2025 t/m 19-01-2026 (020026) Monday 1 September 2025 +1–0=0 +10.6
S.C. Roden interne competitie 01-12-2025 t/m 22-12-2025 (020026) Monday 1 September 2025 +1–3=0 -42.4
S.C. Roden interne competitie 27-10-2025 t/m 17-11-2025 (020026) Monday 1 September 2025 +0–3=1 -20.9
S.C. Roden interne competitie 01-09-2025 t/m 20-10-2025 (020026) Monday 1 September 2025 +2–2=2 +33.1
S.C. Roden interne competitie 28-04-2025 t/m 26-05-2025 (020026) Monday 2 September 2024 +4–0=0 +49.3

Rating History

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Peak Ratings

Classic 1534 March 1, 2026
Rapid 1534 March 1, 2026
Blitz 1534 March 1, 2026

Games

Wins 11
Losses 10
Draws 6
Win Rate 41%

Performance by Color

Color Wins Draws Losses Win Rate
White 5 6 2 38%
Black 6 0 8 43%

Recent Matches

Korenhof, D.J. (Dirk Jan) (1326) Monday 13 April 2026 WIN +6.4
Russchen, J. (Jannie) (1249) Monday 23 March 2026 LOSS -21.0
Pezij, J. (Jan) (1614) Monday 16 March 2026 DRAW +2.8
Hetharia, H. (Hans) (1526) Monday 9 March 2026 DRAW -0.3
Smedinga, T.H. (Teije) (1538) Monday 23 February 2026 WIN +13.0
Bosman, F. (Frits) (1575) Monday 16 February 2026 DRAW +1.8
Johannes, W. (Wim) (1335) Monday 2 February 2026 WIN +6.4
Hageman, C. (Cees) (1584) Monday 26 January 2026 LOSS -10.0
Duisterwinkel, K. (Kees) (1458) Monday 19 January 2026 WIN +10.6
Korenhof, D.J. (Dirk Jan) (1379) Monday 22 December 2025 WIN +6.8
Wegerif, A.P. (Arnout) (1562) Monday 15 December 2025 LOSS -12.2
Hetharia, H. (Hans) (1470) Monday 8 December 2025 LOSS -15.4
Russchen, J. (Jannie) (1244) Monday 1 December 2025 LOSS -21.5
Pezij, J. (Jan) (1607) Monday 17 November 2025 LOSS -11.4
Smedinga, T.H. (Teije) (1549) Monday 10 November 2025 DRAW -0.9
Bos, B.F. (Bernard) (1805) Monday 3 November 2025 LOSS -5.3
Kunnen, R. (Ruurd) (1860) Monday 27 October 2025 LOSS -3.3
Huisman, F.J. (Frans) (1790) Monday 20 October 2025 WIN +20.3
Groot de, J. (Johan) (1663) Monday 13 October 2025 LOSS -8.4
Hoor ten, J. (Johan) (1795) Monday 29 September 2025 DRAW +7.8