KNSB FIDE
JM

Johan Mosterd

Rated since January 2023

1704 Classic
1720 Rapid
1704 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
ENGELKES, W.E. (WIJNAND) 1934
9654 SOS Competitie 2024/2025 2025-05 · Friday 23 May 2025
UNEKEN, B. (BERT) 1866
12776 SOS competitie 2025/2026 Lijst 1 apr · Tuesday 10 March 2026
METZ, J. (JOHAN) 1862
10072 KNSB competitie 2024-2025 Klasse 5 ronde 4 · Saturday 14 December 2024
BEKIUS, T. (TOM) 1821
9647 SOS Competitie 2024/2025 2024-10 · Tuesday 8 October 2024
GIELTJES, F.J. (FRITS) 1781
12992 KNSB competitie 2025-2026 Klasse 5 ronde 6 · Saturday 7 February 2026
Worst losses
MENGER, R.E.J. (REMCO) 1596
11814 Open Schaakkampioenschap van Arnhem OSKA 2025 Groep B · Saturday 6 September 2025
IRTES, DORUK 1619
11814 Open Schaakkampioenschap van Arnhem OSKA 2025 Groep B · Saturday 6 September 2025
BUITENHUIS, A.E. (ERIK) 1670
7605 SOS Competitie 2023/2024 November 2023 · Tuesday 7 November 2023
DIJKSTRA, H.J. (HEDSER) 1677
7604 SOS Competitie 2023/2024 Oktober 2023 · Thursday 12 October 2023
STAPERSMA, D. (DICK) 1681
13248 KNSB competitie 2025-2026 Klasse 5 ronde 7 · Saturday 7 March 2026
Open Schaakkampioenschap van Arnhem OSKA 2025 Groep B Friday 5 September 2025 +1–2=2 -58.0
PK van SBO en afdeling Oost PK2026B3-6 Saturday 14 February 2026 +2–1=0 +18.2
PK van SBO en afdeling Oost PK2026B1-2 Saturday 14 February 2026 +0–1=1 -17.7
KNSB competitie 2025-2026 Klasse 5 ronde 5 Saturday 20 September 2025 +0–1=0 -13.8
KNSB competitie 2025-2026 Klasse 5 ronde 7 Saturday 20 September 2025 +0–1=0 -15.2
KNSB competitie 2025-2026 Klasse 5 ronde 6 Saturday 20 September 2025 +1–0=0 +18.8
KNSB competitie 2025-2026 Klasse 5 ronde 4 Saturday 20 September 2025 +0–1=0 -10.5
KNSB competitie 2025-2026 Klasse 5 Ronde 3 Saturday 20 September 2025 +0–0=1 -1.6
KNSB competitie 2025-2026 Klasse 5 ronde 2 Saturday 20 September 2025 +0–1=0 -11.2
KNSB competitie 2025-2026 Klasse 5 ronde 1 Saturday 20 September 2025 +0–1=0 -9.6
SOS competitie 2025/2026 Lijst 1 apr Monday 1 September 2025 +1–0=0 +21.4
SOS competitie 2025/2026 Lijst 1 jan Monday 1 September 2025 +0–1=0 -10.2
SOS competitie 2025/2026 Lijst 1 Dec Monday 1 September 2025 +0–0=1 -2.8
SOS competitie 2025/2026 Lijst 1 Nov Monday 1 September 2025 +0–0=1 +4.5
KNSB competitie 2024-2025 Klasse 5 ronde 7 Saturday 21 September 2024 +1–0=0 +14.9
KNSB competitie 2024-2025 Klasse 5 ronde 6 Saturday 21 September 2024 +0–1=0 -17.9
KNSB competitie 2024-2025 Klasse 5 ronde 5 Saturday 21 September 2024 +0–1=0 -10.3
KNSB competitie 2024-2025 Klasse 5 ronde 4 Saturday 21 September 2024 +1–0=0 +24.8
KNSB competitie 2024-2025 Klasse 4 ronde 3 Saturday 21 September 2024 +0–1=0 -17.1
KNSB competitie 2024-2025 Klasse 5 ronde 1 Saturday 21 September 2024 +0–1=0 -17.0
KNSB competitie 2024-2025 Klasse 4 ronde 1 Saturday 21 September 2024 +0–1=0 -11.4
SOS Competitie 2024/2025 2025-05 Sunday 1 September 2024 +1–0=0 +25.3
SOS Competitie 2024/2025 2025-04 Sunday 1 September 2024 +0–1=0 -8.0
SOS Competitie 2024/2025 2025-03 Sunday 1 September 2024 +0–1=0 -11.4
SOS Competitie 2024/2025 2025-02 Sunday 1 September 2024 +1–0=0 +23.7
SOS Competitie 2024/2025 2025-01 Sunday 1 September 2024 +0–1=0 -19.4
SOS Competitie 2024/2025 2024-11 Sunday 1 September 2024 +1–0=0 +18.6
SOS Competitie 2024/2025 2024-10 Sunday 1 September 2024 +1–1=0 +4.4
OSBO Cup 2023/2024 OSBO Cup 2023/2024 Wednesday 1 November 2023 +2–0=0 +41.6
OSBO Cup 2023/2024 Kwartfinales ex SMB en Rhenen Wednesday 1 November 2023 +0–0=1 -11.4
KNSB competitie 2023-2024 Klasse 5 ronde 7 Saturday 16 September 2023 +0–1=0 -13.3
KNSB competitie 2023-2024 Klasse 5 ronde 6 Saturday 16 September 2023 +1–0=0
KNSB competitie 2023-2024 Klasse 5 ronde 5 Saturday 16 September 2023 +0–1=0 -12.3
KNSB competitie 2023-2024 Klasse 5 ronde 4 Saturday 16 September 2023 +0–1=0 -7.1
KNSB competitie 2023-2024 Klasse 5 ronde 2 Saturday 16 September 2023 +0–0=1 +4.3
KNSB competitie 2023-2024 Klasse 5 ronde 1 Saturday 16 September 2023 +0–1=0 -26.9
SOS Competitie 2023/2024 April 2024 Friday 1 September 2023 +0–1=0 -18.1
SOS Competitie 2023/2024 Maart 2024 Friday 1 September 2023 +0–0=1 -0.6
SOS Competitie 2023/2024 Februari 2024 Friday 1 September 2023 +1–0=0 +30.0
SOS Competitie 2023/2024 Januari 2024 Friday 1 September 2023 +1–0=0 +25.9
SOS Competitie 2023/2024 December 2023 Friday 1 September 2023 +1–0=0 +23.3
SOS Competitie 2023/2024 November 2023 Friday 1 September 2023 +0–1=0 -28.0
SOS Competitie 2023/2024 Oktober 2023 Friday 1 September 2023 +0–1=0 -36.6

Rating History

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Peak Ratings

Classic 1794 Jan. 1, 2025
Rapid 1720 May 1, 2026
Blitz 1704 April 1, 2026

Games

Wins 17
Losses 26
Draws 9
Win Rate 33%

Performance by Color

Color Wins Draws Losses Win Rate
White 11 4 12 41%
Black 6 5 14 24%

Recent Matches

Izaks, R. (Rob) (1716) Saturday 28 March 2026 LOSS -13.8
Morssinkhof, A. (Arno) (1787) Sunday 22 March 2026 LOSS -10.9
Uneken, B. (Bert) (1866) Tuesday 10 March 2026 WIN +21.4
Stapersma, D. (Dick) (1681) Saturday 7 March 2026 LOSS -15.2
Dufoort, W. (Wim) (1606) Saturday 28 February 2026 WIN +11.6
Heijndijk, M. (Marc) (1750) Saturday 28 February 2026 WIN +17.6
Mooij, R. (Remko) (1491) Saturday 14 February 2026 DRAW -7.8
Schaap, N. (Niels) (1820) Saturday 14 February 2026 LOSS -9.9
Gieltjes, F.J. (Frits) (1781) Saturday 7 February 2026 WIN +18.8
Otte, M.A. (Marco) (1830) Saturday 13 December 2025 LOSS -10.5
Vos, W.R. (Reynier) (1837) Monday 8 December 2025 LOSS -10.2
Wouters, A.T.M. (Ton) (1691) Saturday 22 November 2025 DRAW -1.6
Kuijk van, L. (Lazlo) (1665) Tuesday 4 November 2025 DRAW -2.8
Pronk, T.J. (Tom) (1838) Saturday 1 November 2025 LOSS -11.2
Walpot, J.I. (Jan) (1835) Wednesday 15 October 2025 DRAW +4.5
Soeterbroek, J. (Jaimy) (1888) Saturday 4 October 2025 LOSS -9.6
Veldhuis, J. (Jasper) (1647) Sunday 7 September 2025 DRAW -3.3
Verdult, E. (Ed) (1467) Sunday 7 September 2025 WIN +4.4
Menger, R.E.J. (Remco) (1596) Saturday 6 September 2025 LOSS -26.0
Irtes, Doruk (1619) Saturday 6 September 2025 LOSS -25.1