KNSB FIDE
JB

Jan Boer

Rated since January 2023

1682 Classic
1772 Rapid
1772 Blitz

RIVALRY

Nemesis
Voorintholt, G.K. (Gerard)
Games: 3 · Win rate: 67%

The good & the bad

Best wins
ELSINGA, B. (BRIAN) 1913
13677 S.C. Assen interne competitie 10-04-2026 t/m 24-04-2026 (020001) · Friday 24 April 2026
ROOS, G.J.P.M. (GERARD) 1861
11848 S.C. Assen interne competitie 05-09-2025 t/m 26-09-2025 (020001) · Friday 19 September 2025
VOORINTHOLT, G.K. (GERARD) 1851
11385 S.C. Assen interne competitie 02-05-2025 t/m 23-05-2025 (020001) · Friday 2 May 2025
ESSEN VAN, T.D. (TOBIAS) 1826
11330 NOSBO competitie 2024-2025 Mei 2025 · Friday 16 May 2025
STRIK, A.F. (AART) 1810
11385 S.C. Assen interne competitie 02-05-2025 t/m 23-05-2025 (020001) · Friday 9 May 2025
Worst losses
BRIK, Y. (YAZAN) 1408
13863 11e Goirles Weekend Kampioenschap Groep C · Sunday 30 August 2026
LEENEN, P. (POMME) 1549
13863 11e Goirles Weekend Kampioenschap Groep C · Saturday 29 August 2026
MA, Y. (YUAN LI) 1589
14153 Open NK Schaken 2026 Zesrondig 2 · Friday 24 July 2026
DI PAOLA, J. (JACOPO) 1595
11735 10e Goirle Weekend Kampioenschap Groep C · Sunday 24 August 2025
LEEUWEN VAN, D. (DICK) 1606
14153 Open NK Schaken 2026 Zesrondig 2 · Sunday 26 July 2026
OP 28 A squadre Coppa Delle Sei Nazioni per Ciechi e Ipovedenti Sunday 14 June 2026 +1–4=0 -19.0
ONK NSVG 2025 ONK NSVG 2025 Thursday 27 November 2025 +3–3=0 -26.5
Nazomervierkampentoernooi Assen 2025 Groep A Friday 29 August 2025 +2–1=0 +12.1
10e Goirle Weekend Kampioenschap Groep C Friday 22 August 2025 +4–2=0 +1.7
S.C. Assen interne competitie 04-09-2026 t/m 25-09-2026 (020001) Friday 4 September 2026 +0–1=1 -11.3
11e Goirles Weekend Kampioenschap Groep C Friday 28 August 2026 +1–4=0 -53.6
Open NK Schaken 2026 Zesrondig 2 Tuesday 21 July 2026 +2–4=0 -34.9
NOSBO-competitie 2025-2026 ronde 7 Groep A Monday 13 April 2026 +1–0=0 +11.3
NOSBO-competitie 2025-2026 ronde 6 (minus één uitgestelde wedstrijd)… Monday 16 March 2026 +0–1=0 -15.0
NOSBO-competitie 2025-2026 ronde 5 (de uitgestelde wedstrijd) Groep A Friday 13 March 2026 +1–0=0 +12.4
NOSBO-competitie 2025-2026 ronde 4 Groep A Monday 19 January 2026 +1–0=0
NOSBO-competitie 2025-2026 ronde 3 Groep A Friday 28 November 2025 +0–1=0 -13.9
NOSBO-competitie 2025-2026 ronde 1 Klasse 2B Monday 13 October 2025 +1–0=0 +10.5
KNSB competitie 2025-2026 Klasse 6 ronde 5 Saturday 20 September 2025 +1–0=0 +6.2
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +1–0=0 +12.5
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +0–1=0 -5.8
KNSB competitie 2025-2026 Klasse 6 ronde 4 Saturday 20 September 2025 +0–1=0 -16.3
KNSB competitie 2025-2026 Klasse 6 Ronde 3 Saturday 20 September 2025 +1–0=0 +4.1
KNSB competitie 2025-2026 Klasse 6 ronde 2 Saturday 20 September 2025 +0–0=1 -2.7
S.C. Assen interne competitie 10-04-2026 t/m 24-04-2026 (020001) Friday 5 September 2025 +1–0=0 +17.2
S.C. Assen interne competitie 27-02-2026 t/m 27-03-2026 (020001) Friday 5 September 2025 +1–0=0 +8.0
S.C. Assen interne competitie 30-01-2026 t/m 13-02-2026 (020001) Friday 5 September 2025 +0–1=0 -10.4
S.C. Assen interne competitie 05-12-2025 t/m 19-12-2025 (020001) Friday 5 September 2025 +0–0=1 +1.9
S.C. Assen interne competitie 31-10-2025 t/m 28-11-2025 (020001) Friday 5 September 2025 +2–1=0 +7.9
S.C. Assen interne competitie 03-10-2025 t/m 24-10-2025 (020001) Friday 5 September 2025 +1–2=0 -9.8
S.C. Assen interne competitie 05-09-2025 t/m 26-09-2025 (020001) Friday 5 September 2025 +2–0=0 +25.6
NOSBO competitie 2024-2025 Mei 2025 Wednesday 1 January 2025 +1–0=0 +16.1
S.C. Assen interne competitie 02-05-2025 t/m 23-05-2025 (020001) Friday 6 September 2024 +2–0=0 +32.5

Rating History

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Peak Ratings

Classic 1819 Dec. 1, 2025
Rapid 1772 May 1, 2026
Blitz 1772 May 1, 2026

Games

Wins 30
Losses 27
Draws 3
Win Rate 50%

Performance by Color

Color Wins Draws Losses Win Rate
White 17 1 13 55%
Black 13 2 14 45%

Recent Matches

Bosveld, M. (Mattias) (1835) Friday 18 September 2026 LOSS -9.5
Dijkstra, J.S.J. (Jacob) (1695) Friday 4 September 2026 DRAW -1.8
Teleng, J. (Jaxx) Sunday 30 August 2026 WIN
Brik, Y. (Yazan) (1408) Sunday 30 August 2026 LOSS -11.0
Leenen, P. (Pomme) (1549) Saturday 29 August 2026 LOSS -9.5
Dam van, P.J. (Pieter) (1623) Saturday 29 August 2026 LOSS -16.7
Wolf de, R. (Rob) (1631) Saturday 29 August 2026 LOSS -16.4
Leeuwen van, D. (Dick) (1606) Sunday 26 July 2026 LOSS -18.8
Wilt van der, R. (Ruben) (1741) Saturday 25 July 2026 LOSS -14.6
Ma, Y. (Yuan Li) (1589) Friday 24 July 2026 LOSS -9.6
Oruc, E. (Ediz) (1712) Thursday 23 July 2026 LOSS -7.8
Veldhuijzen, J. (Joop) (1685) Wednesday 22 July 2026 WIN +8.6
Spoelstra, J.L. (Jan) (1647) Tuesday 21 July 2026 WIN +7.4
Poli, Diego (1654) Friday 19 June 2026 WIN +7.6
Mlacnik, Franc (1954) Thursday 18 June 2026 LOSS -7.4
Tarascio, Giuseppe (2154) Tuesday 16 June 2026 LOSS -2.7
Thevenet, Yann (2013) Monday 15 June 2026 LOSS -5.7
Thomsson, Hakan (1852) Sunday 14 June 2026 LOSS -10.7
Elsinga, B. (Brian) (1913) Friday 24 April 2026 WIN +17.2
Benjamins, S.J.P. (Sander) (1738) Friday 17 April 2026 WIN +11.3