KNSB FIDE
SB

Sivar Buining

Rated since January 2023

1908 Classic
1904 Rapid
1904 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
VREEBURG, J. (JAN) 1921
7972 Kennemer Open 2023-2024 Kennemer Open 2023-2024 Groep 1 Ronde 3 en 4 · Saturday 4 November 2023
MARKX, S. (STEFAN) 1903
8756 Kennemer Open 2023-2024 Kennemer Open 2023-2024 Groep 1 Ronde 7 en 8 · Saturday 2 March 2024
GUILLAUMOND, M. (MATTHIEU) 1898
7465 Amsterdam Science Park Schaaktoernooi Groep B · Friday 21 July 2023
LITTEL, L. (LEO) 1831
7465 Amsterdam Science Park Schaaktoernooi Groep B · Thursday 20 July 2023
ROOIJEN VAN, A.J.C. (TON) 1776
7465 Amsterdam Science Park Schaaktoernooi Groep B · Monday 17 July 2023
Worst losses
KOEWEIDEN, T. (THEO) 1508
6419 Tata Steel Chess Tournament 2023 Dagvierkampen · Tuesday 17 January 2023
MUSKENS, M.A. (MINK) 1674
6409 13e Karel Kuip Vierkampentoernooi Vierkampen · Friday 5 May 2023
BLOEM, M. (MARK) 1810
7465 Amsterdam Science Park Schaaktoernooi Groep B · Saturday 22 July 2023
GROENEWOUD, J.J.R. (JOEL) 1866
7465 Amsterdam Science Park Schaaktoernooi Groep B · Saturday 15 July 2023
ARP, F.L. (FRANS) 1940
7074 Haarlem Open Groep A (r4-r7) · Friday 14 April 2023
Amsterdam Science Park Schaaktoernooi Groep B Saturday 15 July 2023 +6–2=1 +166.4
Tata Steel Chess Tournament 2023 Dagvierkampen Friday 13 January 2023 +2–1=0 +15.1
NHSB-competitie 2025-2026 Klasse 2D t/m 08-02-2026 Monday 1 September 2025 +0–0=1 +3.7
Kennemer Open 2023-2024 Kennemer Open 2023-2024 Groep 1 Ronde 9 Saturday 16 September 2023 +0–0=1 -0.7
Kennemer Open 2023-2024 Kennemer Open 2023-2024 Groep 1 Ronde 7 en 8 Saturday 16 September 2023 +1–0=1 +17.3
Kennemer Open 2023-2024 Kennemer Open 2023-2024 Ronde 6 aanvulling Saturday 16 September 2023 +0–0=1 -5.5
Kennemer Open 2023-2024 Kennemer Open 2023-2024 Groep 1 Ronde 5 Saturday 16 September 2023 +0–1=0 -10.2
Kennemer Open 2023-2024 Kennemer Open 2023-2024 Groep 1 Ronde 3 en 4 Saturday 16 September 2023 +1–0=0 +22.6
Kennemer Open 2023-2024 Kennemer Open 2023-2024 Groep 1 Ronde 1 Saturday 16 September 2023 +1–0=0 +7.8
13e Karel Kuip Vierkampentoernooi Vierkampen Friday 5 May 2023 +1–1=1 +3.3
Haarlem Open Groep A (r4-r7) Friday 10 March 2023 +2–1=0 +40.6
Haarlem Open Groep A Friday 10 March 2023 +1–1=1 +7.4
Kennemer Open 2022-2023 Groep 2 Ronde 8 en 9 Saturday 17 September 2022 +0–1=0 -1.7
Kennemer Open 2022-2023 Groep 2 Ronde 7 Saturday 17 September 2022 +1–0=0 +29.8
Kennemer Open 2022-2023 Ronde 6 aanvulling Saturday 17 September 2022 +1–0=0 +15.8
Kennemer Open 2022-2023 Groep 2 Ronde 3-5 Saturday 17 September 2022 +2–0=0 +40.2

Rating History

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Peak Ratings

Classic 1908 March 1, 2026
Rapid 1904 March 1, 2026
Blitz 1904 March 1, 2026

Games

Wins 19
Losses 8
Draws 7
Win Rate 56%

Performance by Color

Color Wins Draws Losses Win Rate
White 11 3 4 61%
Black 8 4 4 50%

Recent Matches

Terwee, M.J.S. (Michiel) (1988) Tuesday 3 February 2026 DRAW +3.7
Koelmans, J.W. (Jan Willem) (1890) Saturday 20 April 2024 DRAW -0.7
Randen van, W.F. (Fred) (1893) Saturday 23 March 2024 DRAW
Markx, S. (Stefan) (1903) Saturday 2 March 2024 WIN +17.3
Schol, J. (Jan) (1702) Saturday 3 February 2024 DRAW -5.5
Kat, R. (Rudolf) (1981) Saturday 16 December 2023 LOSS -10.2
Vreeburg, J. (Jan) (1921) Saturday 4 November 2023 WIN +22.6
Pol van de, H.M. (Hans) (1582) Saturday 16 September 2023 WIN +7.8
Kroon, I. (Ivo) (1772) Sunday 23 July 2023 WIN +27.5
Bloem, M. (Mark) (1810) Saturday 22 July 2023 LOSS -10.8
Guillaumond, M. (Matthieu) (1898) Friday 21 July 2023 WIN +33.0
Littel, L. (Leo) (1831) Thursday 20 July 2023 WIN +30.3
Andriessen, B.J. (Bart Jan) (1849) Wednesday 19 July 2023 DRAW +11.0
Tijssens, R. (Rob) (1722) Tuesday 18 July 2023 WIN +24.9
Rooijen van, A.J.C. (Ton) (1776) Monday 17 July 2023 WIN +27.7
Veldhuijsen, K. (Klaas) (1762) Sunday 16 July 2023 WIN +27.0
Groenewoud, J.J.R. (Joel) (1866) Saturday 15 July 2023 LOSS -4.2
Rekelhof, M. (Martin) (1630) Saturday 6 May 2023 WIN +21.1
Heijink, R.C. (Rob) (1645) Saturday 6 May 2023 DRAW +0.8
Muskens, M.A. (Mink) (1674) Friday 5 May 2023 LOSS -18.7