KNSB FIDE
OZ

Oscar Zecha

Rated since January 2023

2211 Classic
2045 Rapid
2149 Blitz

Team Competition

Current teams
Apeldoorn 1
Meesterklasse · 2025-2026 · 4 games
Apeldoorn 2
Klasse 2C · 2025-2026 · 1 game
Past teams
ASV 1
Klasse 2C · 2024-2025
9 games
ASV 2
Klasse 2C · 2023-2024
8 games
Caïssa Elburg 1
Klasse 4C · 2022-2023
5 games
Caïssa Elburg 1
Klasse 4B · 2021-2022
8 games

RIVALRY

Nemesis
Frederiks, J. (Jesse)
Games: 4 · Win rate: 50%
Kryptonite
Goudriaan, R. (Rafael)
Games: 5 · Win rate: 0%
Easy Target
Blok, X. (Xaveer)
Games: 4 · Win rate: 100%

The good & the bad

Best wins
RATSMA, M.B. (MIDAS) (FM) 2342
8427 Chess Festival Groningen Open A · Friday 27 December 2024
LABRUYÈRE, R. (ROGER) 2304
9051 TAPIJTGIGANT OPEN ASK 2025 Groep A · Sunday 20 April 2025
WEMPE, J. (JOOST) (FM) 2250
8427 Chess Festival Groningen Open A · Monday 30 December 2024
GROOTEN, T. (TOMMY) 2244
Apeldoorns Snelschaakkampioenschap · Sunday 9 February 2025
MOLLEMA, T. (THOMAS) (CM) 2243
13524 KNSB competitie 2025-2026 Meesterklasse ronde 9 · Saturday 11 April 2026
Worst losses
FREDERIKS, J. (JESSE) 1462
6684 PJK OSBO C · Sunday 12 February 2023
TONUK, DENIZ 1470
European Youth Championship - Open 12 · Friday 8 September 2023
DAMEN, J. (JOSEPHINE) 1667
6768 Kwalificatie 4 NK ABC Groep B Jeugd · Saturday 18 March 2023
MNATSAKANYAN, AREN 1668
European Youth Championship - Open 12 · Tuesday 12 September 2023
JERONOVICS, TOMS 1677
European Youth Championship - Open 12 · Thursday 7 September 2023
HSG Open 2026 Groep A Friday 19 June 2026 +2–1=2 -3.3
16e WLC Weekendtoernooi Groep A Friday 8 May 2026 +3–2=1 +11.1
TAPIJTGIGANT OPEN ASK 2026 Groep A Saturday 4 April 2026 +3–2=1 +13.5
NK Snelschaak voor clubteams Groep A Sunday 29 March 2026 +8–4=2 +13.1
85e Daniel Noteboomtoernooi Groep A Friday 20 February 2026 +2–2=0 -18.2
2026 Chess.com Botwinnik Open Groep A Friday 2 January 2026 +4–2=0 +99.6
Chessfestival Groningen Open B Sunday 21 December 2025 +8–1=0 +106.3
KNSB competitie 2025-2026 Meesterklasse ronde 9 Saturday 20 September 2025 +1–0=0 +19.6
KNSB competitie 2025-2026 Meesterklasse ronde 6 Saturday 20 September 2025 +0–1=0 -19.6
KNSB competitie 2025-2026 Meesterklasse ronde 8 Saturday 20 September 2025 +0–1=0 -10.4
KNSB competitie 2025-2026 Meesterklasse ronde 1 Saturday 20 September 2025 +0–1=0 -9.7
NK Snelschaken 2025 Groep A Saturday 13 September 2025 +14–8=3 -120.6
UniClass Science Park Amsterdam Schaaktoernooi Groep A Saturday 5 July 2025 +4–3=2 -30.0
HSG Open 2025 Groep A Friday 20 June 2025 +2–2=0 -8.9
15e WLC Weekendtoernooi Groep A Friday 16 May 2025 +3–3=0 -39.8
Open NK Rapid 2025 Open NK Rapid Saturday 3 May 2025 +5–4=0 -34.3
TAPIJTGIGANT OPEN ASK 2025 Groep A Saturday 19 April 2025 +2–2=2 +23.3
Chess Festival Groningen Open A Saturday 21 December 2024 +2–4=3 -5.1
Hoogeveen Schaaktoernooi Open Groep Saturday 26 October 2024 +2–4=3 +11.4
NK-Snelschaken 2024 Saturday 14 September 2024 +14–8=4 +129.9
Nazomervierkampentoernooi 2024 Schaakclub Assen Groep A Friday 30 August 2024 +2–0=1 +39.6
HSG Open 2024 Groep A Friday 21 June 2024 +2–1=1 +20.3
Chess Festival Groningen Open B Thursday 21 December 2023 +6–2=1 +49.0
Hoogeveen 2023 Open Groep A Saturday 21 October 2023 +1–4=3 -11.5
Chessable Open NK 2023 Reserve A Monday 24 July 2023 +4–1=4 +69.6
NJSK B-jeugd Saturday 25 April 2026 +3–1=3 -2.0
Waling Dijkstra Weekendtoernooi 2025 - Friday 14 November 2025 +4–2=0 -1.0
World Youth Chess Championship 2025 - U14 Friday 3 October 2025 +4–7=0 -143.0
KNSB competitie 2025-2026 Klasse 2 Ronde 4 Saturday 20 September 2025 +1–0=0 +15.3
Open NK Schaken 2025 Open NK Tuesday 22 July 2025 +3–4=2 -29.3
NJSK C Jeugd Saturday 26 April 2025 +7–1=1 +79.6
Apeldoorns Snelschaakkampioenschap Sunday 9 February 2025 +10–2=1 +106.8
OSBO PJK PJK categorie C Saturday 18 January 2025 +3–0=0 +9.7
Kwalificatie 1 NK ABC Groep C Saturday 30 November 2024 +4–1=2 -19.0
Waling Dijkstra Weekendtoernooi Groep A Friday 15 November 2024 +4–1=1 +29.9
KNSB competitie 2024-2025 Klasse 2 ronde 9 Saturday 21 September 2024 +0–0=1 +11.1
KNSB competitie 2024-2025 Klasse 2 ronde 8 Saturday 21 September 2024 +1–0=0 +15.3
KNSB competitie 2024-2025 Klasse 2 ronde 7 Saturday 21 September 2024 +0–1=0 -12.6
KNSB competitie 2024-2025 Klasse 2 ronde 6 Saturday 21 September 2024 +1–0=0 +19.3
KNSB competitie 2024-2025 Klasse 2 ronde 5 Saturday 21 September 2024 +0–1=0 -20.7
KNSB competitie 2024-2025 Klasse 2 ronde 4 Saturday 21 September 2024 +0–0=1 +7.0
KNSB competitie 2024-2025 Klasse 2 ronde 3 Saturday 21 September 2024 +0–1=0 -16.5
KNSB competitie 2024-2025 Klasse 2 ronde 2 Saturday 21 September 2024 +1–0=0 +18.9
KNSB competitie 2024-2025 Klasse 2 ronde 1 Saturday 21 September 2024 +0–0=1 +2.3
Brugse Meesters 2024 Open Saturday 10 August 2024 +3–2=4 +23.6
Open NK Schaken 2024 Open NK Schaken 2024 Monday 22 July 2024 +2–3=4 +23.0
NJSK Jeugd C Saturday 27 April 2024 +4–2=3 -36.6
OSBO PJK Groep A Saturday 24 February 2024 +9–0=0 +25.3
Kwalificatie NK ABC 3 Jeugd B Saturday 10 February 2024 +7–0=0 +86.7
KNSB-Jeugdclubcompetitie 4, AC Finale A en C Saturday 9 December 2023 +0–1=1 -10.7
Waling Dijkstra Weekendtoernooi Groep A Friday 10 November 2023 +2–2=1 -28.0
KNSB-Jeugdclubcompetitie 2, AC Groep AC Saturday 30 September 2023 +2–0=0 +1.8
KNSB-Jeugdclubcompetitie 1, AC Groep A Saturday 23 September 2023 +1–1=0 +0.4
KNSB competitie 2023-2024 Klasse 2 ronde 9 Saturday 16 September 2023 +0–1=0 -1.1
KNSB competitie 2023-2024 Klasse 2 ronde 8 Saturday 16 September 2023 +0–0=1 +9.5
KNSB competitie 2023-2024 Klasse 2 ronde 7 Saturday 16 September 2023 +0–0=1 -3.2
KNSB competitie 2023-2024 Klasse 2 ronde 6 Saturday 16 September 2023 +0–0=1 +15.2
KNSB competitie 2023-2024 Klasse 2 ronde 5 Saturday 16 September 2023 +0–0=1 +13.1
KNSB competitie 2023-2024 Klasse 2 ronde 4 Saturday 16 September 2023 +0–0=1 +17.2
KNSB competitie 2023-2024 Klasse 2 ronde 2 Saturday 16 September 2023 +1–0=0 +15.2
KNSB competitie 2023-2024 Klasse 2 ronde 1 Saturday 16 September 2023 +0–1=0 -12.5
European Youth Championship - Open 12 Tuesday 5 September 2023 +5–4=0 -138.4
Nederlandse Jeugdkampioenschappen (D-categorie) D Jeugd Thursday 18 May 2023 +7–1=1 +45.8
NJSK C jeugd Friday 21 April 2023 +2–1=6 -11.8
Kwalificatie 4 NK ABC Groep B Jeugd Saturday 18 March 2023 +3–1=2 -19.0
PJK OSBO C Saturday 11 February 2023 +5–1=0 -30.1
Chess Festival Groningen Open B Wednesday 21 December 2022 +4–4=1 -64.0
KNSB-Jeugdclubcompetitie 4, AC+D finale Meesterklasse A en C Saturday 10 December 2022 +2–0=0 +0.2
KNSB-Jeugdclubcompetitie 2, AC+D halve finales Meesterklasse A en C Saturday 1 October 2022 +2–0=0 +1.6
KNSB competitie 2022-2023 Klasse 4 ronde 8 Saturday 17 September 2022 +1–0=0 +23.8
KNSB competitie 2022-2023 Klasse 4 ronde 7 Saturday 17 September 2022 +1–0=0 +22.9
KNSB competitie 2022-2023 Klasse 4 ronde 4 Saturday 17 September 2022 +1–0=0 +17.8

Rating History

Loading rating history...

Peak Ratings

Classic 2221 June 1, 2025
Rapid 2079 March 1, 2025
Blitz 2269 March 1, 2025

Games

Wins 204
Losses 110
Draws 74
Win Rate 53%

Performance by Color

Color Wins Draws Losses Win Rate
White 102 38 56 52%
Black 102 36 54 53%

Recent Matches

Hoff van 't, T. (Tom) (2128) Sunday 21 June 2026 WIN +10.9
Ramdien, S.S. (Steven) (2062) Sunday 21 June 2026 WIN +8.5
Arendonk van, P. (Polle) (2107) Saturday 20 June 2026 LOSS -18.5
Winter, S. (Sven) (2082) Saturday 20 June 2026 DRAW -5.1
FM Labruyère, R. (Roger) (2234) Friday 19 June 2026 DRAW +0.8
FM Kurt, S. (Sascha) (2286) Sunday 10 May 2026 LOSS -11.5
FM Becx, C. (César) (1992) Sunday 10 May 2026 WIN +6.7
Simons, R.W.J. (Rudy) (2030) Saturday 9 May 2026 WIN +8.0
GM Beerdsen, T.A. (Thomas) (2529) Saturday 9 May 2026 LOSS -3.8
FM Baselmans, L. (Luuk) (2358) Saturday 9 May 2026 DRAW +6.0
Happen van, N.J. (Niels) (1957) Friday 8 May 2026 WIN +5.7
Teianu, M. (Maxim) (2107) Friday 1 May 2026 WIN +13.5
Frederiks, J. (Jesse) (2051) Thursday 30 April 2026 DRAW -5.4
CM Aravindhan, A. (Achyuth) (2186) Wednesday 29 April 2026 DRAW +0.6
Winter, S. (Sven) (2034) Tuesday 28 April 2026 WIN +10.3
Haaften van, J. (Jelle) (1955) Monday 27 April 2026 WIN +7.3
Okita, S. (Shinsaku) (2036) Sunday 26 April 2026 DRAW -6.0
CM Jong de, L. (Lode) (2037) Saturday 25 April 2026 LOSS -22.4
CM Mollema, T. (Thomas) (2243) Saturday 11 April 2026 WIN +19.6
Hummel, P. (Paul) (2178) Monday 6 April 2026 LOSS -16.1