KNSB FIDE
WS

William Shakhverdian

Rated since January 2023

2117 Classic
2128 Rapid
2128 Blitz

RIVALRY

Nemesis
Koster, C. (Chiel)
Games: 3 · Win rate: 33%

The good & the bad

Best wins
LONT, A.H. (ADDY) (FM) 2250
7637 KNSB competitie 2023-2024 Klasse 1 ronde 2 · Saturday 7 October 2023
HONKOOP, G. (GILIAN) 2217
7010 Amsterdam Science Park Schaaktoernooi Groep A · Sunday 23 July 2023
SMID, J. (JELLE) 2216
9337 Open NK Schaken 2024 Open NK Schaken 2024 · Saturday 27 July 2024
OOREBEEK, E. (ERWIN) 2184
5716 SOS Competitie 2022/2023 Mei · Thursday 11 May 2023
SENDERS, J.B.H. (JUSTIN) 2172
7014 KNSB competitie 2022-2023 Klasse 2 ronde 9 · Saturday 22 April 2023
Worst losses
PAL, ROHAN 1799
6349 Chess Festival Groningen Open A · Friday 23 December 2022
SISTIG, MAX 1962
NRW-Klasse Gruppe 3 2023-2024 May 2024 · Sunday 5 May 2024
LUBBEN VAN DER, A. (ARNO) 1974
6354 82e Noteboomtoernooi Groep A · Saturday 25 February 2023
SAKETH, PEDAGANDHAM 2030
6349 Chess Festival Groningen Open A · Tuesday 27 December 2022
CLEMENS, A.H.P. (ADRIAN) (FM) 2037
8456 Chess Festival Groningen Compact · Saturday 28 December 2024
Chess Festival Groningen Compact Saturday 21 December 2024 +1–1=3 -21.8
Chess Festival Groningen Vierkampen Thursday 21 December 2023 +1–0=2 +0.3
Amsterdam Science Park Schaaktoernooi Groep A Saturday 15 July 2023 +6–2=1 +28.9
HSG Open 2023 Groep A Friday 23 June 2023 +2–2=2 -20.3
KNSB competitie 2025-2026 Klasse 2 ronde 9 Saturday 20 September 2025 +0–1=0 -11.3
KNSB competitie 2025-2026 Klasse 2 ronde 6 Saturday 20 September 2025 +1–0=0 +11.1
KNSB competitie 2025-2026 Klasse 2 ronde 8 Saturday 20 September 2025 +0–1=0 -9.1
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +0–1=0 -8.0
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +0–0=1 -4.7
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +0–0=1 +4.0
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +1–0=0 +9.8
KNSB competitie 2024-2025 Klasse 2 ronde 3 Saturday 21 September 2024 +0–1=0 -12.3
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +0–0=1 -6.3
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +0–0=1 +0.3
NRW-Klasse Gruppe 3 2024-2025 September 2024 Sunday 8 September 2024 +0–1=0 -12.2
Open NK Schaken 2024 Open NK Schaken 2024 Monday 22 July 2024 +3–2=4 +8.3
NRW-Klasse Gruppe 3 2023-2024 May 2024 Sunday 5 May 2024 +0–1=0 -16.2
NRW-Klasse Gruppe 3 2023-2024 December 2023 Sunday 3 December 2023 +0–0=1 +4.3
OSBO Cup 2023/2024 OSBO Cup 2023/2024 Wednesday 1 November 2023 +1–0=0 +3.2
KNSB competitie 2023-2024 Klasse 1 ronde 8 Saturday 16 September 2023 +0–0=1 +5.5
KNSB competitie 2023-2024 Klasse 1 ronde 7 Saturday 16 September 2023 +0–0=1 +6.4
KNSB competitie 2023-2024 Klasse 1 ronde 6 Saturday 16 September 2023 +0–0=1 +6.2
KNSB competitie 2023-2024 Klasse 1 ronde 3 Saturday 16 September 2023 +0–0=1 +3.0
KNSB competitie 2023-2024 Klasse 1 ronde 2 Saturday 16 September 2023 +1–0=0 +14.8
Chessable Open NK 2023 Open NK Monday 24 July 2023 +2–4=3 -28.1
NRW-Klasse 2 2022-2023 May 2023 Sunday 7 May 2023 +0–2=0 -18.5
NRW-Klasse 2 2022-2023 April 2023 Sunday 23 April 2023 +0–0=1 +1.1
NRW-Klasse 2 2022-2023 March 2023 Sunday 12 March 2023 +0–0=1 +0.9
82e Noteboomtoernooi Groep A Friday 24 February 2023 +2–2=1 -19.2
NRW-Klasse 2 2022-2023 February 2023 Sunday 19 February 2023 +0–0=1 +1.2
Chess Festival Groningen Open A Wednesday 21 December 2022 +3–3=2 -12.9
KNSB-Jeugdclubcompetitie 4, AC+D finale Meesterklasse A en C Saturday 10 December 2022 +2–0=0 +4.7
OSBO Cup 2022/2023 Groep A Tuesday 6 December 2022 +1–0=0 +3.9
NRW-Klasse 2 2022-2023 November 2022 Sunday 13 November 2022 +0–0=1 +8.0
NRW-Klasse 2 2022-2023 October 2022 Sunday 2 October 2022 +0–1=1 -10.8
KNSB-Jeugdclubcompetitie 2, AC+D halve finales Meesterklasse A en C Saturday 1 October 2022 +1–0=1 +9.2
KNSB competitie 2022-2023 Klasse 2 ronde 9 Saturday 17 September 2022 +1–0=0 +12.0
KNSB competitie 2022-2023 Klasse 2 ronde 8 Saturday 17 September 2022 +1–0=0 +11.8
KNSB competitie 2022-2023 Klasse 2 ronde 7 Saturday 17 September 2022 +1–0=0 +8.1
KNSB competitie 2022-2023 Klasse 2 ronde 6 Saturday 17 September 2022 +0–1=0 -10.4
KNSB competitie 2022-2023 Klasse 2 ronde 5 Saturday 17 September 2022 +1–0=0 +11.2
KNSB competitie 2022-2023 Klasse 2 ronde 4 Saturday 17 September 2022 +1–0=0 +9.8
SOS Competitie 2022/2023 Mei Monday 12 September 2022 +1–0=0 +11.6
SOS Competitie 2022/2023 April 2023(HK) Monday 12 September 2022 +0–1=0 -10.7
SOS Competitie 2022/2023 Maart 2023(HK) Monday 12 September 2022 +0–0=1 -3.6
SOS Competitie 2022/2023 Januari 2023 Monday 12 September 2022 +0–0=1 -0.6
SOS Competitie 2022/2023 December 2022 Monday 12 September 2022 +1–0=0 +3.8

Team Competition

Current teams
ASV 1
Klasse 2C · 2025-2026 · 2 games
ASV 2
Klasse 2A · 2025-2026 · 1 game
Past teams
ASV 1
Klasse 2C · 2024-2025
ASV 1
Klasse 1B · 2023-2024
ASV 1
Klasse 2D · 2022-2023
VSG 1
HKC · 2022-2023
ASV 1
Klasse 2A · 2021-2022
ASV 1
HKC · 2021-2022
Veluws S.G. 1
HKB · 2018-2019

Rating History

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Peak Ratings

Classic 2185 May 1, 2024
Rapid 2128 April 1, 2026
Blitz 2128 April 1, 2026

Games

Wins 35
Losses 27
Draws 35
Win Rate 36%

Performance by Color

Color Wins Draws Losses Win Rate
White 16 19 9 36%
Black 19 16 18 36%

Recent Matches

Bottema, T.P. (Tom) (2143) Saturday 11 April 2026 LOSS -11.3
Fehmer, C. (Carsten) (2103) Saturday 28 March 2026 WIN +11.1
CM Koster, C. (Chiel) (2211) Saturday 7 March 2026 LOSS -9.1
FM Kooten van, L. (Luuk) (2250) Saturday 5 April 2025 LOSS -8.0
Lemmers, R.M.T. (Ruud) (1986) Saturday 8 March 2025 DRAW -4.7
Nabuurs, J. (Joep) (2263) Saturday 8 February 2025 DRAW +4.0
Katpatal, N.M. (Akshaj) (1989) Monday 30 December 2024 DRAW -4.9
Gruettner, Ralf (2002) Sunday 29 December 2024 DRAW -4.6
FM Clemens, A.H.P. (Adrian) (2037) Saturday 28 December 2024 LOSS -14.7
Elferink, L.A. (Leon) (2010) Friday 27 December 2024 WIN +6.7
Dinanath, H. (Hrdya) (2009) Thursday 26 December 2024 DRAW -4.4
FM Dikkenberg van den, D.H. (Erik) (2120) Saturday 23 November 2024 WIN +9.8
Heijer den, C.A. (Rolinde) (2117) Saturday 9 November 2024 LOSS -12.3
Saxena, A. (Anshul) (1938) Saturday 12 October 2024 DRAW -6.3
Berg van den, B. (Bram) (2188) Saturday 21 September 2024 DRAW +0.3
Schuricht, Emil Frederick (2123) Sunday 8 September 2024 LOSS -12.2
Zecha, O.A. (Oscar) (2012) Thursday 1 August 2024 WIN +6.3
FM Ritzerveld, N. (Noah) (2203) Wednesday 31 July 2024 LOSS -9.8
Bakija, A. (Alan) (2162) Tuesday 30 July 2024 DRAW -0.2
FM Hilwerda, J.V. (Jonas) (2253) Monday 29 July 2024 DRAW +2.5