KNSB FIDE
JB

Jan Boer

Rated since March 2026

1801 Classic

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
DI PAOLA, J. (JACOPO) 1595
11735 10e Goirle Weekend Kampioenschap Groep C · Sunday 24 August 2025
SPOELSTRA, J.L. (JAN) 1619
11736 ONK NSVG 2025 ONK NSVG 2025 · Saturday 29 November 2025
KONING DE, M. (MILA) 1656
11735 10e Goirle Weekend Kampioenschap Groep C · Saturday 23 August 2025
BOER DE, F. (FERDI) 1675
13423 NOSBO-competitie 2025-2026 ronde 6 (minus één uitgestelde wedstrijd)… · Tuesday 17 March 2026
POTJER, G.C. (GERARD) 1707
12595 KNSB competitie 2025-2026 Klasse 6 ronde 4 · Saturday 13 December 2025
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
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 1772 April 1, 2026
Rapid 1772 May 1, 2026
Blitz 1772 May 1, 2026

Games

Wins 26
Losses 14
Draws 2
Win Rate 62%

Performance by Color

Color Wins Draws Losses Win Rate
White 15 0 7 68%
Black 11 2 7 55%

Recent Matches

Elsinga, B. (Brian) (1913) Friday 24 April 2026 WIN +17.2
Benjamins, S.J.P. (Sander) (1738) Friday 17 April 2026 WIN +11.3
Werter, P.G.A.J. (Flip) (1553) Saturday 28 March 2026 WIN +6.2
Akkerman, J. (Jan) (1614) Friday 20 March 2026 WIN +8.0
Boer de, F. (Ferdi) (1675) Tuesday 17 March 2026 LOSS -15.0
Tabak, W. (Wesley) (1745) Friday 13 March 2026 WIN +12.4
Ogurlu, B. (Baran) (1747) Saturday 7 March 2026 WIN +12.5
Boer, J. (Joël) (1973) Saturday 7 February 2026 LOSS -5.8
Voorintholt, G.K. (Gerard) (1826) Friday 6 February 2026 LOSS -10.4
Schmitz, M. (Marc) Tuesday 20 January 2026 WIN
Potjer, G.C. (Gerard) (1707) Saturday 13 December 2025 LOSS -16.3
Roos, G.J.P.M. (Gerard) (1874) Friday 5 December 2025 DRAW +1.9
Weites, P. (Peter) (1771) Thursday 4 December 2025 LOSS -13.9
Makkinje, J. (Jeroen) (1558) Sunday 30 November 2025 WIN +4.7
Roman, H. (Hugo) (1786) Saturday 29 November 2025 LOSS -13.3
Spoelstra, J.L. (Jan) (1619) Saturday 29 November 2025 LOSS -18.7
Schoffelmeer, J. (Jetse) (1915) Friday 28 November 2025 LOSS -8.9
Tesselaar, C. (Cor) (1680) Friday 28 November 2025 WIN +8.1
Dekens, E. (Eva) (1375) Thursday 27 November 2025 WIN +1.6
Kempenaar, J. (Jane) (1528) Saturday 22 November 2025 WIN +4.1