Bar Blitz KNSB FIDE
DS

Don Spier

Rated since January 2023

1600 Classic
1594 Rapid
1591 Blitz
Don's accounts
FIDE KNSB

Team Competition

Current team
Assendelft 1
Klasse 6F · 2025-2026 · 3 games
Past teams
Assendelft 1
Klasse 6F · 2024-2025
5 games

The good & the bad

Best wins
Berg van de, S.B.A. (Steef) 1596
10688 12e Best of the West Groep B, ronde 4 · Saturday 1 March 2025
Hoek van der, M.L. (Moreno) 1574
8283 Tata Steel Chess Tournament 2025 Weekendvierkampen · Friday 17 January 2025
Koks, P.W. (Paul) 1491
7856 11e Best of the West Groep B, ronde 2 · Saturday 18 November 2023
Bergh van den, W.J.H.M. (Wim) 1378
13661 13e Best of the West Groep B, ronde 7 · Saturday 13 June 2026
Schajik van, J.M. (Nico) 1165
7593 11e Best of the West Best of the West, Groep B, ronde 1 · Saturday 23 September 2023
Worst losses
Jaminon, G.J.R. (Géza) 1435
12100 13e Best of the West Groep B, ronde 1 · Saturday 18 October 2025
Gnanasekaran, K. (Keerthi) 1490
10471 Tata Steel Chess Tournament 2026 Weekendvierkampem · Saturday 17 January 2026
Ingen Schenau van, J. (Justin) 1599
10073 KNSB competitie 2024-2025 Klasse 6 ronde 4 · Saturday 14 December 2024
Jethva, V. (Vivaan) 1609
8283 Tata Steel Chess Tournament 2025 Weekendvierkampen · Sunday 19 January 2025
Korin, T. (Tymofii) 1641
9645 KNSB competitie 2024-2025 Klasse 6 ronde 1 · Saturday 12 October 2024
Tata Steel Chess Tournament 2026 Weekendvierkampem Friday 16 January 2026 +1–1=1 -11.7
Tata Steel Chess Tournament 2025 Weekendvierkampen Friday 17 January 2025 +1–2=0 +5.1
13e Best of the West Groep B, ronde 7 Saturday 18 October 2025 +1–0=0 +6.2
13e Best of the West Groep B, ronde 1 Saturday 18 October 2025 +0–1=0 -21.9
KNSB competitie 2025-2026 Klasse 6 ronde 7 Saturday 20 September 2025 +0–0=1 +2.7
KNSB competitie 2025-2026 Klasse 6 ronde 6 Saturday 20 September 2025 +0–1=0 -10.4
KNSB competitie 2025-2026 Klasse 6 ronde 1 Saturday 20 September 2025 +0–0=1 -1.8
12e Best of the West Groep B, rondes 6 en 7 Saturday 28 September 2024 +0–0=1 +0.9
12e Best of the West Groep B, ronde 5 Saturday 28 September 2024 +0–0=1 +1.6
12e Best of the West Groep B, ronde 4 Saturday 28 September 2024 +1–0=0 +13.5
12e Best of the West Groep B, ronde 3 Saturday 28 September 2024 +0–1=0 -12.2
12e Best of the West Groep B, rondes 1 en 2 Saturday 28 September 2024 +1–0=1
KNSB competitie 2024-2025 Klasse 6 ronde 6 Saturday 21 September 2024 +0–1=0 -10.3
KNSB competitie 2024-2025 Klasse 6 ronde 5 Saturday 21 September 2024 +0–0=1 +0.2
KNSB competitie 2024-2025 Klasse 6 ronde 4 Saturday 21 September 2024 +0–1=0 -17.5
KNSB competitie 2024-2025 Klasse 6 ronde 2 Saturday 21 September 2024 +1–0=0
KNSB competitie 2024-2025 Klasse 6 ronde 1 Saturday 21 September 2024 +0–1=0 -8.5
11e Best of the West Groep B, ronde 2 Saturday 23 September 2023 +1–0=0 +20.8
11e Best of the West Best of the West, Groep B, ronde 1 Saturday 23 September 2023 +1–0=0 +6.9

Rating History

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Peak Ratings

Classic 1674 May 1, 2024
Rapid 1594 May 1, 2026
Blitz 1591 March 1, 2026

Games

Wins 8
Losses 9
Draws 7
Win Rate 33%

Performance by Color

ColorWinsDrawsLossesWin Rate
White 3 5 7 20%
Black 5 2 2 56%

Recent KNSB Matches

Bergh van den, W.J.H.M. (Wim) (1378) Saturday 13 June 2026 WIN +6.2
Werther, D. (Diederik) (1661) Saturday 7 March 2026 DRAW +2.7
Swaak, L. (Leon) (1693) Saturday 7 February 2026 LOSS -10.4
Dop, F. (Floris) Sunday 18 January 2026 WIN
Gnanasekaran, K. (Keerthi) (1490) Saturday 17 January 2026 LOSS -9.5
Roy, D. (Deepayan) (1556) Friday 16 January 2026 DRAW -2.2
Jaminon, G.J.R. (Géza) (1435) Saturday 18 October 2025 LOSS -21.9
Sluiter, H. (Harry) (1593) Saturday 4 October 2025 DRAW -1.8
Bartman, V. (Victor) (1658) Saturday 31 May 2025 DRAW +0.9
Sluis, G.R.M. (Gerton) (1669) Saturday 29 March 2025 DRAW +1.6
Arends, G.S. (Gijs) (1747) Saturday 8 March 2025 LOSS -10.3
Berg van de, S.B.A. (Steef) (1596) Saturday 1 March 2025 WIN +13.5
Peereboom, G. (Gerrit) (1636) Saturday 8 February 2025 DRAW +0.2
Jethva, V. (Vivaan) (1609) Sunday 19 January 2025 LOSS -8.1
Londhe, S. (Svar) Saturday 18 January 2025 LOSS
Hoek van der, M.L. (Moreno) (1574) Friday 17 January 2025 WIN +13.2
Ingen Schenau van, J. (Justin) (1599) Saturday 14 December 2024 LOSS -17.5
Vreeze de, F. (Frans) (1736) Saturday 16 November 2024 LOSS -12.2
Huisman, J. (Julian) Saturday 9 November 2024 WIN
Kul, O. (Onno) Saturday 19 October 2024 WIN