KNSB FIDE
BB

Bas Bos

Rated since January 2023

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
VOSSEN, A.M.J. (ANDRE) 1850
12535 13e Best of the West Groep A, ronde 2 · Saturday 29 November 2025
BOLLE, L. (LEO) 1833
7641 KNSB competitie 2023-2024 Klasse 5 ronde 1 · Saturday 7 October 2023
NEUMEIJER, M.R. (RUUD) 1790
10470 Tata Steel Chess Tournament 2026 Tienkampen · Monday 26 January 2026
LINGEN VAN, H.G.K. (HENK) 1780
10470 Tata Steel Chess Tournament 2026 Tienkampen · Tuesday 27 January 2026
TIMMERMAN, J.T.J. (JAN) 1774
6418 Tata Steel Chess Tournament 2023 Tienkampen · Friday 27 January 2023
Worst losses
LAAR VAN DE, A. (BERT) 1598
6581 SGA Competitie 2022-2023 2e Klasse B Ronde 4 · Wednesday 15 February 2023
SCHIPPERS, M. (MANUEL) 1606
11488 SGA Rapidcompetitie 2025 3e Klasse voorrondes · Friday 23 May 2025
NORDEN, M.J. (MARC) 1637
7406 Volewijckers vierkampentoernooi 2023 Volewijckers vierkampen Groep I · Saturday 8 July 2023
ENDE VAN DEN, G. (GREGORY) 1689
7620 Tata Steel Chess Tournament 2024 Tienkampen · Tuesday 23 January 2024
CICEK, M. (MLADEN) 1692
12484 SGA Competitie 2025-2026 2e Klasse A ronde 2 · Wednesday 26 November 2025
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +3–1=5 +32.0
Tata Steel Chess Tournament 2024 Tienkampen Friday 12 January 2024 +3–1=4 +26.5
Tata Steel Chess Tournament 2023 Tienkampen Friday 13 January 2023 +1–3=5 +13.4
13e Best of the West Groep A, ronde 4 Saturday 18 October 2025 +0–1=0 -6.7
13e Best of the West Groep A, ronde 3 Saturday 18 October 2025 +0–1=0 -7.5
13e Best of the West Groep A, ronde 2 Saturday 18 October 2025 +1–0=0 +15.6
13e Best of the West Groep A, ronde 1 Saturday 18 October 2025 +0–1=0 -8.1
SGA Competitie 2025-2026 2e Klasse A ronde 6 Wednesday 1 October 2025 +0–1=0 -11.5
SGA Competitie 2025-2026 2e Klasse A ronde 4 en 5 Wednesday 1 October 2025 +0–0=1 +0.9
SGA Competitie 2025-2026 2e Klasse A ronde 1 en 3 Wednesday 1 October 2025 +0–1=0 -9.0
SGA Competitie 2025-2026 2e Klasse A ronde 2 Wednesday 1 October 2025 +0–1=0 -14.8
SGA Competitie 2025-2026 2e Klasse A Ronde 1 Wednesday 1 October 2025 +0–0=1 -3.2
KNSB competitie 2025-2026 Klasse 4 ronde 6 Saturday 20 September 2025 +0–1=0 -8.0
SGA Rapidcompetitie 2025 3e Klasse finales Monday 19 May 2025 +1–1=1 +0.0
SGA Rapidcompetitie 2025 3e Klasse voorrondes Monday 19 May 2025 +3–3=0 -21.8
SGA Competitie 2023-2024 2e Klasse A Ronde 7 Sunday 1 October 2023 +1–0=0 +11.8
SGA Competitie 2023-2024 2e Klasse A ronde 6 Sunday 1 October 2023 +0–1=0 -9.8
SGA Competitie 2023-2024 2e Klasse A ronde 5 Sunday 1 October 2023 +0–1=0 -11.8
SGA Competitie 2023-2024 2e Klasse A ronde 4 Sunday 1 October 2023 +0–0=1 +4.1
SGA Competitie 2023-2024 2e Klasse A ronde 3 Sunday 1 October 2023 +0–1=0 -3.8
SGA Competitie 2023-2024 2e Klasse A ronde 1 en 2 Sunday 1 October 2023 +0–2=0 -16.1
KNSB competitie 2023-2024 Klasse 5 ronde 7 Saturday 16 September 2023 +0–0=1 +1.5
KNSB competitie 2023-2024 Klasse 5 ronde 6 Saturday 16 September 2023 +0–1=0 -7.7
KNSB competitie 2023-2024 Klasse 5 ronde 5 Saturday 16 September 2023 +0–1=0 -2.1
KNSB competitie 2023-2024 Klasse 5 ronde 4 Saturday 16 September 2023 +1–0=0 +15.3
KNSB competitie 2023-2024 Klasse 5 ronde 3 Saturday 16 September 2023 +0–1=0 -3.8
KNSB competitie 2023-2024 Klasse 5 ronde 2 Saturday 16 September 2023 +1–0=0
KNSB competitie 2023-2024 Klasse 5 ronde 1 Saturday 16 September 2023 +1–0=0 +19.7
Volewijckers vierkampentoernooi 2023 Volewijckers vierkampen Groep I Friday 7 July 2023 +0–1=2 -17.1
SGA Competitie 2022-2023 2e Klasse B Ronde 6 en 7 Saturday 1 October 2022 +0–0=1 +1.4
SGA Competitie 2022-2023 2e Klasse B Ronde 5 Saturday 1 October 2022 +0–0=1 -0.1
SGA Competitie 2022-2023 Beker Brons halve finale Saturday 1 October 2022 +1–0=0 +12.7
SGA Competitie 2022-2023 2e Klasse B Ronde 4 Saturday 1 October 2022 +0–1=0 -12.8
SGA Competitie 2022-2023 2e Klasse B Ronde 3 Saturday 1 October 2022 +0–0=1 +5.1

Rating History

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Peak Ratings

Classic 1786 March 1, 2024
Rapid 1748 July 1, 2025
Blitz 1621 March 1, 2026

Games

Wins 17
Losses 26
Draws 24
Win Rate 25%

Performance by Color

Color Wins Draws Losses Win Rate
White 9 10 15 26%
Black 8 14 11 24%

Recent Matches

Hulzebosch, N. (Nils) (1789) Monday 13 April 2026 LOSS -11.5
Seelemeijer, J. (Jasper) (1910) Saturday 28 March 2026 LOSS -8.0
Suyderhoud, W.C. (Wim) (1802) Tuesday 17 March 2026 DRAW +0.9
Winsemius, J. (Jan) (1951) Saturday 14 March 2026 LOSS -6.7
Waersegers, B.E. (Brent) (1902) Saturday 21 February 2026 LOSS -7.5
Kuijs, G.P.H.M. (Gerard) (1752) Sunday 1 February 2026 LOSS -12.5
Mark van der, A. (Arie) (1783) Saturday 31 January 2026 DRAW +1.1
Duivenvoorden, B. (Ben) (1713) Friday 30 January 2026 WIN +11.2
Roshania, J. (Jimmy) (1803) Wednesday 28 January 2026 DRAW +1.8
Lingen van, H.G.K. (Henk) (1780) Tuesday 27 January 2026 WIN +13.5
Neumeijer, M.R. (Ruud) (1790) Monday 26 January 2026 WIN +13.9
Engelen, N.D.S. (Niels) (1751) Sunday 25 January 2026 DRAW
Veldhuijsen, K. (Klaas) (1816) Saturday 24 January 2026 DRAW +2.3
Hoekstra, R.A.M. (Ronald) (1771) Friday 23 January 2026 DRAW +0.7
Pelleboer, P. (Pieter) (1847) Monday 15 December 2025 LOSS -9.0
Vossen, A.M.J. (Andre) (1850) Saturday 29 November 2025 WIN +15.6
Cicek, M. (Mladen) (1692) Wednesday 26 November 2025 LOSS -14.8
Bonoo, I.S. (Iwan) (1902) Saturday 18 October 2025 LOSS -8.1
Leeuwen van, A. (Andre) (1678) Monday 13 October 2025 DRAW -3.2
Kist, R. (Roelof) (1769) Thursday 12 June 2025 WIN +12.5