KNSB FIDE

Geert Postmus

Rated since February 2024

1845 Classic

1821 Rapid

1821 Blitz

RIVALRY

Nemesis

Berkepeis, R. (Roelof)

Games: 5 · Win rate: 40%

Kryptonite

Wolf de, R. (Rinke)

Games: 3 · Win rate: 0%

The good & the bad

Best wins

SCHEPER, T. (TOM) 1922

13546 S.V. Park Stokhorst interne competitie 15-12-2025 t/m 13-04-2026 (03… · Monday 2 March 2026

BERKEPEIS, R. (ROELOF) 1897

11593 S.V. Park Stokhorst interne competitie 24-03-2025 t/m 23-06-2025 (03… · Monday 26 May 2025

BOERRIGTER, S.H.W. (STAN) 1875

10110 S.V. Park Stokhorst interne competitie 09-09-2024 t/m 16-12-2024 (03… · Monday 16 September 2024

GROUVE, W. (WOUTER) 1864

10784 S.V. Park Stokhorst interne competitie 14-01-2025 t/m 17-03-2025 (03… · Monday 20 January 2025

KOES, R. (RICHARD) 1860

11689 Open NK Schaken 2025 Zesrondig 1 · Friday 25 July 2025

Worst losses

KERKWIJK, J. (JASPER) 1493

8203 S.V. Park Stokhorst interne competitie 11-09-2023 t/m 18-12-2023 (030034) · Wednesday 20 September 2023

GIESKE, A.S.M. (SIMON) 1509

7965 SBO Viertallencompetitie 2023/2024 Januari 2024 · Thursday 25 January 2024

FOMIN, E.F. (EGOR) 1522

8203 S.V. Park Stokhorst interne competitie 11-09-2023 t/m 18-12-2023 (030034) · Monday 20 November 2023

WERFF VAN DER, R. (RIENK) 1636

8203 S.V. Park Stokhorst interne competitie 11-09-2023 t/m 18-12-2023 (030034) · Monday 18 December 2023

FRANSSEN, A. (ARON) 1650

13098 SBO Viertallencompetitie 2025/2026 Lijst Maart · Monday 2 February 2026

Open NK Schaken 2025 Zesrondig 1 Tuesday 22 July 2025 +2–3=1 -1.3

SBO Viertallencompetitie 2025/2026 Lijst April Wednesday 1 October 2025 +0–2=0 -24.1

SBO Viertallencompetitie 2025/2026 Lijst Maart Wednesday 1 October 2025 +1–1=0 -11.3

SBO Viertallencompetitie 2025/2026 Ronde 1 (deels A), Ronde 2 (B-G) Wednesday 1 October 2025 +0–0=1

SBO Viertallencompetitie 2025/2026 Ronde 1 (B-G) Wednesday 1 October 2025 +0–0=1 -0.3

KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +0–1=0 -13.7

KNSB competitie 2025-2026 Klasse 5 ronde 4 Saturday 20 September 2025 +0–0=1 +5.8

KNSB competitie 2025-2026 Klasse 5 ronde 2 Saturday 20 September 2025 +1–0=0 +7.7

KNSB competitie 2025-2026 Klasse 5 ronde 1 Saturday 20 September 2025 +0–0=1 -1.9

SOS competitie 2025/2026 Lijst 1 mei Monday 1 September 2025 +1–0=0 +6.6

SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +2–0=0 +23.2

S.V. Park Stokhorst interne competitie 15-12-2025 t/m 13-04-2026 (03… Monday 1 September 2025 +3–1=0 +17.0

SOS competitie 2025/2026 Lijst 1 mrt Monday 1 September 2025 +1–1=0 -0.2

SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–1=0 -8.2

SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +1–0=0 +14.3

S.V. Park Stokhorst interne competitie 08-09-2025 t/m 08-12-2025 (03… Monday 1 September 2025 +2–2=1 -15.8

SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–1=0 -15.1

SBO Viertallencompetitie 2024/2025 Ronde 6 (C) Tuesday 1 October 2024 +1–0=0 +12.5

SBO Viertallencompetitie 2024/2025 Ronde 5 (A-C, D/E deels, G) Ronde… Tuesday 1 October 2024 +1–0=0 +17.2

SBO Viertallencompetitie 2024/2025 Ronde 3 (F deels), Ronde 4 (A-E, … Tuesday 1 October 2024 +1–0=0 +19.0

SBO Viertallencompetitie 2024/2025 Ronde 2 (F) en Ronde 3 (A, B deel… Tuesday 1 October 2024 +0–1=0 -18.9

SBO Viertallencompetitie 2024/2025 Ronde 1 (B, F deels) en Ronde 2 (A deel… Tuesday 1 October 2024 +1–0=0

SBO Viertallencompetitie 2024/2025 Ronde 1 A, C-E, G Tuesday 1 October 2024 +0–0=1 +2.9

KNSB competitie 2024-2025 Klasse 5 ronde 7 Saturday 21 September 2024 +1–0=0 +16.2

KNSB competitie 2024-2025 Klasse 5 ronde 2 Saturday 21 September 2024 +0–1=0 -20.9

S.V. Park Stokhorst interne competitie 24-03-2025 t/m 23-06-2025 (03… Monday 9 September 2024 +1–1=1 +1.9

S.V. Park Stokhorst interne competitie 14-01-2025 t/m 17-03-2025 (03… Monday 9 September 2024 +1–1=2 +6.4

S.V. Park Stokhorst interne competitie 09-09-2024 t/m 16-12-2024 (03… Monday 9 September 2024 +4–1=1 +73.4

SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +0–0=1 -14.2

SOS Competitie 2024/2025 2025-04 Sunday 1 September 2024 +1–0=0

SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +1–0=0 +3.8

SOS Competitie 2024/2025 2025-01 Sunday 1 September 2024 +1–0=0 +11.9

SOS Competitie 2024/2025 2024-12 Sunday 1 September 2024 +1–0=0 +14.3

SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +0–0=1 -13.5

SBO Viertallencompetitie 2023/2024 Ronde 4 (B), Ronde 5 (A, B deels, C-G... Monday 16 October 2023 +2–0=0 +45.8

SBO Viertallencompetitie 2023/2024 Ronde 3 B, Ronde 4 (A, B deels, C-G),... Monday 16 October 2023 +1–0=0 +8.5

SBO Viertallencompetitie 2023/2024 Januari 2024 Monday 16 October 2023 +0–1=0 -128.6

SBO Viertallencompetitie 2023/2024 November 2023 Monday 16 October 2023 +2–0=0 +61.9

S.V. Park Stokhorst interne competitie 17-01-2024 t/m 24-06-2024 (030034) Monday 11 September 2023 +4–6=1 -49.9

S.V. Park Stokhorst interne competitie 11-09-2023 t/m 18-12-2023 (030034) Monday 11 September 2023 +6–3=0 +54.9

Rating History

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Peak Ratings

Classic 1864 Dec. 1, 2025

Rapid 1821 March 1, 2026

Blitz 1821 March 1, 2026

Games

Wins 44

Losses 28

Draws 14

Win Rate 51%

Performance by Color

Color	Wins	Draws	Losses	Win Rate
White	24	7	11	57%
Black	20	7	17	45%

Recent Matches

Es van, M. (Mark) (1642) Thursday 23 April 2026 WIN +6.6

Kruimer, H.J. (Arjen) (1838) Monday 23 March 2026 LOSS -12.0

Venekamp, B. (Bert) (1792) Monday 16 March 2026 WIN +11.6

Berkepeis, R. (Roelof) (1812) Monday 9 March 2026 LOSS -13.0

Scheper, T. (Tom) (1922) Monday 2 March 2026 WIN +16.1

Albinus, R. (Rob) (1686) Monday 23 February 2026 WIN +7.5

Stevens, G. (Gerrit) (1714) Monday 9 February 2026 WIN +8.4

Fahner, J. (Jurrian) (1831) Saturday 7 February 2026 LOSS -13.7

Capel, R.C. (Robert) (1859) Thursday 5 February 2026 LOSS -12.6

Franssen, A. (Aron) (1650) Monday 2 February 2026 LOSS -19.7

Hendawi, N. (Nour) (1834) Monday 26 January 2026 WIN +12.5

Haan, M. (Maarten) (1652) Wednesday 14 January 2026 WIN +6.3

Munster, P. (Patrick) (2019) Saturday 13 December 2025 DRAW +5.8

Linden van der, J. (Jan) (1799) Thursday 4 December 2025 LOSS -8.2

Horst ter, A.M. (Anton) (1842) Monday 24 November 2025 DRAW

Zwaagstra, M.B. (Marten) (1842) Friday 7 November 2025 WIN +14.3

Jager, H.N. (Niek) (1827) Tuesday 4 November 2025 LOSS -14.9

Borter, W.R. (Walter) (1665) Saturday 1 November 2025 WIN +7.7