KNSB FIDE
SK

Stoyan Kostov

Rated since November 2025

2166 Classic
2166 Rapid
2166 Blitz

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
HEERES, F.C. (FELIX) 1766
12699 Chessfestival Groningen Open C · Saturday 27 December 2025
VELTHOVEN VAN, P. (PAUL) 1756
12699 Chessfestival Groningen Open C · Tuesday 23 December 2025
KONING DE, P. (PATRICK) 1736
10470 Tata Steel Chess Tournament 2026 Tienkampen · Saturday 31 January 2026
HOOGEVEEN, L. (LUUK) 1726
10470 Tata Steel Chess Tournament 2026 Tienkampen · Sunday 25 January 2026
DIJK VAN, S. (SIMON) 1720
12699 Chessfestival Groningen Open C · Monday 22 December 2025
Worst losses
CHERNOKOL, ILYA 1524
12699 Chessfestival Groningen Open C · Monday 29 December 2025
HOOGMOED, S. (SEBASTIAN) 1645
12216 Amsterdam Chess Open Groep D2 · Saturday 25 October 2025
PAZARCIOGLU, ILKER 1658
12216 Amsterdam Chess Open Groep D2 · Sunday 26 October 2025
Tata Steel Chess Tournament 2026 Tienkampen Friday 16 January 2026 +8–0=1 +380.0
Chessfestival Groningen Open C Sunday 21 December 2025 +4–1=4 +205.5
Amsterdam Chess Open Groep D2 Friday 24 October 2025 +4–2=0
No competition data available.

Rating History

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Peak Ratings

Classic 2166 March 1, 2026
Rapid 2166 March 1, 2026
Blitz 2166 March 1, 2026

Games

Wins 16
Losses 3
Draws 5
Win Rate 67%

Performance by Color

Color Wins Draws Losses Win Rate
White 8 3 1 67%
Black 8 2 2 67%

Recent Matches

Schulz, Robert (1714) Sunday 1 February 2026 WIN +51.1
Koning de, P. (Patrick) (1736) Saturday 31 January 2026 WIN +54.1
Bartman, V. (Victor) (1656) Friday 30 January 2026 WIN +43.3
Hoek van der, W. (Willem) (1689) Wednesday 28 January 2026 WIN +47.8
Buschman, R. (Rob) (1691) Tuesday 27 January 2026 DRAW -0.3
Ketkar, A. (Ashish) (1631) Monday 26 January 2026 WIN +40.0
Hoogeveen, L. (Luuk) (1726) Sunday 25 January 2026 WIN +52.7
Duin, J. (Jeroen) (1680) Saturday 24 January 2026 WIN +46.6
Koopmans, P. (Perry) (1666) Friday 23 January 2026 WIN +44.7
Kolijn, S. (Simon) (1670) Tuesday 30 December 2025 DRAW -1.6
Chernokol, Ilya (1524) Monday 29 December 2025 LOSS -69.8
Klimovich, Hanna (1703) Sunday 28 December 2025 WIN +49.7
Heeres, F.C. (Felix) (1766) Saturday 27 December 2025 WIN +58.0
Hoor ten, J. (Johan) (1805) Friday 26 December 2025 DRAW +14.7
Essen van, T.D. (Tobias) (1874) Wednesday 24 December 2025 DRAW +22.9
Velthoven van, P. (Paul) (1756) Tuesday 23 December 2025 WIN +56.7
Dijk van, S. (Simon) (1720) Monday 22 December 2025 WIN +51.9
Pompstra, H. (Henk) (1874) Sunday 21 December 2025 DRAW +22.9
Pazarcioglu, Ilker (1658) Sunday 26 October 2025 LOSS
Contrera naranjo, N. (Néstor) (1637) Sunday 26 October 2025 WIN