Bar Blitz KNSB FIDE
JB

Jan Bosma

Rated since June 2016

1946 Classical
1931 Blitz
Jan's accounts
FIDE KNSB
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The good & the bad

Best wins
Heeres, Felix 1843
Amsterdam Chess Festival Blitz 2026 · 2026-07-10
Veenstra, Frits 1835
Amsterdam Chess Festival Blitz 2026 · 2026-07-10
Elisen, Peter 1792
Amsterdam Chess Festival Blitz 2026 · 2026-07-10
Worst losses
Adavatkar, Rugved 1808
Amsterdam Chess Festival Blitz 2026 · 2026-07-10
Shah, Kian 1811
Amsterdam Chess Festival Blitz 2026 · 2026-07-10
De Dreu, Dies 1815
Amsterdam Chess Festival Blitz 2026 · 2026-07-10

FIDE Tournaments

Amsterdam Chess Festival Blitz 2026 blitz 2026-07-10 +5–4=1 -14.8
Amsterdam Chess Open Groep A Friday 24 October 2025 +1–4=1 -23.2

Rating History

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Peak Ratings

Classical 1966
Blitz 1946

Games (recent periods)

Wins 5
Losses 4
Draws 1
Win Rate 50%

Performance by Color

ColorWinsDrawsLossesWin Rate
White 5 1 1 71%
Black 0 0 3 0%

All-time Games (from rating history)

Classical 61
Rapid 0
Blitz 10

Recent Matches

Thakkar, Viaan 2026-07-10 WIN +1.6
FM Slagboom, Leandro (2118) 2026-07-10 DRAW +4.6
IM Zwirs, Nico 2026-07-10 LOSS -1.6
Daiwik, Hemant Mehta 2026-07-10 WIN +1.6
Shah, Kian (1811) 2026-07-10 LOSS -13.6
De Dreu, Dies (1815) 2026-07-10 LOSS -13.6
Elisen, Peter (1792) 2026-07-10 WIN +5.8
Adavatkar, Rugved (1808) 2026-07-10 LOSS -13.8
Veenstra, Frits (1835) 2026-07-10 WIN +7.0
Heeres, Felix (1843) 2026-07-10 WIN +7.2