GK

Gabriella Koopman

Rated since December 2025

1428 Classic
1425 Rapid
1434 Blitz

RIVALRY

Nemesis
Kerkhoff, F.C. (Frans)
Games: 3 · Win rate: 0%

The good & the bad

Best wins
DERNIER, R.P. (RAYMOND) 1752
14154 S.V. EsPion interne competitie 06-07-2026 t/m 27-07-2026 (080015) · Monday 13 July 2026
KOOLSTRA, J. (JACQUES) 1634
12889 S.V. EsPion interne competitie 02-02-2026 t/m 23-02-2026 (080015) · Monday 9 February 2026
SAMPIMON, E. (EDUARD) 1604
11860 S.V. EsPion interne competitie 29-09-2025 t/m 27-10-2025 (080015) · Monday 13 October 2025
HAAN DE, P. (PETER) 1470
13957 S.V. EsPion interne competitie 15-06-2026 t/m 06-08-2026 (080015) · Monday 15 June 2026
KRAAY, J. (JOS) 1415
11861 S.V. EsPion interne competitie 03-11-2025 t/m 24-11-2025 (080015) · Monday 10 November 2025
Worst losses
MUTER, T. (TIM) 1355
13978 SGA Rapidcompetitie 2026 4e Klasse voorronde · Thursday 4 June 2026
CALCAR VAN, B.T. (BAS) 1395
13134 S.V. EsPion interne competitie 31-03-2026 t/m 20-04-2026 (080015) · Monday 6 April 2026
KOK, P. (PIETER) 1462
11860 S.V. EsPion interne competitie 29-09-2025 t/m 27-10-2025 (080015) · Monday 6 October 2025
BEZEMER, C. (CASPER) 1512
11862 S.V. EsPion interne competitie 01-12-2025 t/m 22-12-2025 (080015) · Monday 22 December 2025
DAM, M. (MARIA) 1576
13978 SGA Rapidcompetitie 2026 4e Klasse voorronde · Thursday 4 June 2026
No FIDE-rated tournaments found.
S.V. EsPion interne competitie 03-08-2026 t/m 24-08-2026 (080015) Monday 8 June 2026 +0–2=0 -8.7
S.V. EsPion interne competitie 06-07-2026 t/m 27-07-2026 (080015) Monday 8 June 2026 +2–1=1 +71.9
S.V. EsPion interne competitie 15-06-2026 t/m 06-08-2026 (080015) Monday 8 June 2026 +1–3=0 -9.3
SGA Rapidcompetitie 2026 4e Klasse voorronde Monday 18 May 2026 +0–3=0 -57.0
S.V. EsPion interne competitie 31-03-2026 t/m 20-04-2026 (080015) Monday 2 February 2026 +1–1=0 -6.1
S.V. EsPion interne competitie 02-03-2026 t/m 23-03-2026 (080015) Monday 2 February 2026 +1–2=0 -16.9
S.V. EsPion interne competitie 02-02-2026 t/m 23-02-2026 (080015) Monday 2 February 2026 +1–3=0 +17.5
S.V. EsPion interne competitie 05-01-2026 t/m 26-01-2026 (080015) Monday 22 September 2025 +1–1=0 -15.2
S.V. EsPion interne competitie 01-12-2025 t/m 22-12-2025 (080015) Monday 22 September 2025 +1–2=1 -48.1
S.V. EsPion interne competitie 03-11-2025 t/m 24-11-2025 (080015) Monday 22 September 2025 +2–1=0
S.V. EsPion interne competitie 29-09-2025 t/m 27-10-2025 (080015) Monday 22 September 2025 +1–3=0

Rating History

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Peak Ratings

Classic 1497 Dec. 1, 2025
Rapid 1451 March 1, 2026
Blitz 1451 March 1, 2026

Games

Wins 11
Losses 22
Draws 2
Win Rate 31%

Performance by Color

Color Wins Draws Losses Win Rate
White 4 1 13 22%
Black 7 1 9 41%

Recent Matches

Slooten van, R. (Rob) (1710) Monday 10 August 2026 LOSS -6.7
Pelleboer, P. (Pieter) (1906) Monday 10 August 2026 LOSS -2.0
Steensma, F. (Frank) (1715) Monday 27 July 2026 LOSS -5.4
Heima, H.J.M. (Henny) (1597) Monday 27 July 2026 DRAW +13.5
Dernier, R.P. (Raymond) (1752) Monday 13 July 2026 WIN +42.8
Eijk van, I.V.E. (Iris) (1332) Monday 13 July 2026 WIN +21.0
Kerkhoff, F.C. (Frans) (1591) Monday 29 June 2026 LOSS -14.5
Rijn van, A. (André) (1667) Monday 29 June 2026 LOSS -10.3
Haan de, P. (Peter) (1470) Monday 15 June 2026 WIN +28.4
Stokman, L.N. (Lennart) (1616) Monday 15 June 2026 LOSS -13.0
Muter, T. (Tim) (1355) Thursday 4 June 2026 LOSS -30.6
Dam, M. (Maria) (1576) Thursday 4 June 2026 LOSS -15.4
Verheyen, T. (Toon) (1653) Thursday 4 June 2026 LOSS -11.0
Calcar van, B.T. (Bas) (1395) Monday 6 April 2026 LOSS -29.9
Kraay, J. (Jos) (1377) Tuesday 31 March 2026 WIN +23.8
Koolstra, J.R. (Jan) (1607) Monday 23 March 2026 LOSS -17.5
Kerkhoff, F.C. (Frans) (1652) Monday 9 March 2026 LOSS -14.4
Subke, N.M.Y. (Nancy) (1259) Monday 2 March 2026 WIN +15.0
Vaassen, M. (Mick) (1594) Monday 23 February 2026 LOSS -20.7
Vellekoop, A. (Alfred) (1720) Monday 16 February 2026 LOSS -11.4