KNSB FIDE
BJ

Bob Jansen

Rated since October 2005

2146 Classical
2250 Rapid
2153 Blitz

The good & the bad

Best wins
PRILLWITZ, MARCO 1974
grenke Chess Open 2026 A-Open · 2026-04-02
BERZINS, ATIS 1801
Riga Chess club blitz IV stage-2026 · 2026-04-14
STEPANOVS, ANDREJS 1795
Riga Chess club blitz IV stage-2026 · 2026-04-14
ATOYAN, VAHE 1773
Riga Chess club blitz IV stage-2026 · 2026-04-14
Worst losses
MIKELSONS, MIKELIS-EMILS 1854
Riga Chess club blitz IV stage-2026 · 2026-04-14
TREVINO LUNA, ANGEL DANIEL 2022
grenke Chess Open 2026 A-Open · 2026-04-02
WELLING, G.J. (GERARD) (IM) 2214
Dutch Team Competition - klasse 2 Round 9 · 2026-04-11
KALOGRIDIS, ANTONIOS (IM) 2386
grenke Chess Open 2026 A-Open · 2026-04-02

FIDE Tournaments

grenke Chess Open 2026 A-Open 2026-04-02 +1–2=1 -18.8
Dutch Team Competition - klasse 2 Round 9 2026-04-11 +0–1=0 -8.8
Riga Chess club blitz IV stage-2026 2026-04-14 +7–1=1 -7.8
grenke Chess Open 2026 A-Open Thursday 2 April 2026 +1–2=1 -20.7
15e WLC Weekendtoernooi Groep A Friday 16 May 2025 +1–1=1 -18.7
39th European Club Cup Sunday 20 October 2024 +3–2=1 +7.7
KNSB competitie 2024-2025 Meesterklasse ronde 8 Saturday 21 September 2024 +0–1=0 -3.9
KNSB competitie 2024-2025 Meesterklasse ronde 6 Saturday 21 September 2024 +0–1=0 -6.5
KNSB competitie 2024-2025 Meesterklasse ronde 4 Saturday 21 September 2024 +0–1=0 -3.6
KNSB competitie 2024-2025 Meesterklasse ronde 3 Saturday 21 September 2024 +0–1=0 -6.6
KNSB competitie 2024-2025 Meesterklasse ronde 2 Saturday 21 September 2024 +0–1=0 -4.8
KNSB competitie 2024-2025 Meesterklasse ronde 1 Saturday 21 September 2024 +0–1=0 -4.0
Riga Technical University Open 2024 - Tournament A Monday 5 August 2024 +3–5=1 -45.8
14e WLC Weekendtoernooi Groep A Friday 31 May 2024 +4–0=1 +15.9
13e WLC Weekendtoernooi Groep A Friday 5 May 2023 +3–1=2 -1.1

Rating History

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Peak Ratings

Classical 2251
Rapid 2258
Blitz 2161

Games

Wins 8
Losses 4
Draws 2
Win Rate 57%

Performance by Color

Color Wins Draws Losses Win Rate
White 5 2 0 71%
Black 3 0 4 43%

All-time Games (from rating history)

Classical 416
Rapid 21
Blitz 44

Recent Matches

Prillwitz, Marco (1974) 2026-04-02 WIN +4.8
IM Kalogridis, Antonios (2386) 2026-04-02 LOSS -4.6
Dalhouse, Justin (1983) 2026-04-02 DRAW -5.0
Trevino Luna, Angel Daniel (2022) 2026-04-02 LOSS -14.0
IM Welling, G.j. (gerard) (2214) 2026-04-11 LOSS -8.8
Trotsenko, Mykola 2026-04-14 WIN +1.6
Aizstrauts, Arturs 2026-04-14 WIN +1.6
Atoyan, Vahe (1773) 2026-04-14 WIN +1.8
Berzins, Atis (1801) 2026-04-14 WIN +2.0
Mikelsons, Mikelis-Emils (1854) 2026-04-14 LOSS -17.2
Kalnins, Aleksandrs Alans 2026-04-14 WIN +1.6
Kolasa, Pjotrs (2057) 2026-04-14 DRAW -2.8
Raes, Simon 2026-04-14 WIN +1.6
Stepanovs, Andrejs (1795) 2026-04-14 WIN +2.0