KNSB FIDE
OS

Ozkal Sonmez

Rated since November 2025

1865 Classic

RIVALRY

Not enough games to determine rivalries yet.

The good & the bad

Best wins
MARKUS, J.R. (JOHN) 1984
14012 HSG Open 2026 Groep B · Sunday 21 June 2026
TORCZYNSKI, P. (PETER) 1896
13120 85e Daniel Noteboomtoernooi Groep B · Saturday 21 February 2026
WAGEMANS, E.P.M. (ED) 1889
13120 85e Daniel Noteboomtoernooi Groep B · Friday 20 February 2026
MASTOP, G.M. (GUIDO) 1871
12213 Amsterdam Chess Open Groep C1 · Saturday 25 October 2025
BELTMAN, J.B. (JOOST) 1819
12213 Amsterdam Chess Open Groep C1 · Friday 24 October 2025
Worst losses
GRECO, FILIPPO 1802
12213 Amsterdam Chess Open Groep C1 · Sunday 26 October 2025
VERHOEFF, T.J. (TIMARDI) 1851
12213 Amsterdam Chess Open Groep C1 · Saturday 25 October 2025
BINNENDIJK, D.C.W. (DAAN) 1883
13120 85e Daniel Noteboomtoernooi Groep B · Sunday 22 February 2026
HSG Open 2026 Groep B Friday 19 June 2026 +1–0=4 +34.8
85e Daniel Noteboomtoernooi Groep B Friday 20 February 2026 +3–1=1 +44.0
Amsterdam Chess Open Groep C1 Friday 24 October 2025 +3–2=1 +40.9
Amsterdam Chess Open Groep D Friday 1 November 2024 +5–1=0 +21.1
No competition data available.

Rating History

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Peak Ratings

Classic 1865 July 1, 2026

Games

Wins 12
Losses 4
Draws 6
Win Rate 55%

Performance by Color

Color Wins Draws Losses Win Rate
White 5 4 2 45%
Black 7 2 2 64%

Recent Matches

Bennett, Eric (1878) Sunday 21 June 2026 DRAW +1.8
Markus, J.R. (John) (1984) Sunday 21 June 2026 WIN +19.2
Bollaart, J.A.L. (Jeroen) (1998) Saturday 20 June 2026 DRAW +6.0
Verhoeff, T.J. (Timardi) (1931) Friday 19 June 2026 DRAW +3.8
Burg van den, R. (Ralf) (1938) Friday 19 June 2026 DRAW +4.0
Elangkumaran, A. (Anumitra) (1779) Sunday 22 February 2026 WIN +13.9
Binnendijk, D.C.W. (Daan) (1883) Sunday 22 February 2026 LOSS -10.4
Muskens, M.A. (Mink) (1887) Saturday 21 February 2026 DRAW +3.9
Torczynski, P. (Peter) (1896) Saturday 21 February 2026 WIN +18.4
Wagemans, E.P.M. (Ed) (1889) Friday 20 February 2026 WIN +18.2
Bilochenko, O.V. (Oleksandr) (1815) Sunday 26 October 2025 WIN +19.1
Greco, Filippo (1802) Sunday 26 October 2025 LOSS -12.0
Verhoeff, T.J. (Timardi) (1851) Saturday 25 October 2025 LOSS -10.0
Mastop, G.M. (Guido) (1871) Saturday 25 October 2025 WIN +21.3
Chybalski, Piotr (1803) Friday 24 October 2025 DRAW +3.3
Beltman, J.B. (Joost) (1819) Friday 24 October 2025 WIN +19.3
Shellard, Paul S Sunday 3 November 2024 WIN
Ritchie, S. (Sam) Sunday 3 November 2024 LOSS
Benevento, T. (Tide) Saturday 2 November 2024 WIN
Micallef, E. (Emanuel) (1517) Saturday 2 November 2024 WIN +10.3