KNSB FIDE
OZ

Oscar Zecha

Rated since November 2019

2195 Classical
1895 Rapid
2075 Blitz

RIVALRY

Nemesis
Van Oosterom, Chiel
Games: 4 · Win rate: 0%

The good & the bad

Best wins
MOLLEMA, T. (THOMAS) (CM) 2254
Dutch Team Competition - Meesterklasse Round 9 · 2026-04-11
VAN DOREN, BAS 2182
2026 Chess.com Botwinnik Open - Groep A · 2026-01-02
CORNELISSE, JOHN 2181
Tapijtgigant Open ASK 2026 - Group A · 2026-04-04
MATERS, ARTHUR 2161
2026 Chess.com Botwinnik Open - Groep A · 2026-01-02
DE RUITER, THOMAS 2059
NK Snelschaak voor Clubteams 2025 · 2026-03-29
Worst losses
DE JONG, LODE (CM) 1902
Dutch Youth Championship 2026 U16 · 2026-04-25
NAUANOVA, ZHANIYA 1911
Chessfestival Groningen 2025 Open B · 2025-12-21
SCHOONACKERS, JEROEN 1981
85e Noteboomtoernooi · 2026-02-20
ZEPEDA, L.M. (LORENA) 2036
Dutch Team Competition - Meesterklasse Round 6 · 2026-03-28
HUMMEL, PAUL 2151
Tapijtgigant Open ASK 2026 - Group A · 2026-04-04

FIDE Tournaments

Dutch Youth Championship 2026 U16 2026-04-25 +3–1=3 -2.8
16e WLC Weekendtoernooi: Groep A 2026-05-08 +3–2=1 +21.6
Tapijtgigant Open ASK 2026 - Group A 2026-04-04 +3–2=1 +28.8
Dutch Team Competition - Meesterklasse Round 9 2026-04-11 +1–0=0 +27.2
Dutch Team Competition - Meesterklasse Round 8 2026-03-07 +0–1=0 -12.4
Dutch Team Competition - Meesterklasse Round 6 2026-03-28 +0–1=0 -26.8
NK Snelschaak voor Clubteams 2025 2026-03-29 +8–6=2 +46.4
85e Noteboomtoernooi 2026-02-20 +2–2=0 -29.6
Chessfestival Groningen 2025 Open B 2025-12-21 +8–1=0 +110.8
2026 Chess.com Botwinnik Open - Groep A 2026-01-02 +4–2=0 +96.0
HSG Open 2026 Groep A Friday 19 June 2026 +2–1=2 -3.3
TAPIJTGIGANT OPEN ASK 2026 Groep A Saturday 4 April 2026 +3–2=1 +13.5
85e Daniel Noteboomtoernooi Groep A Friday 20 February 2026 +2–2=0 -18.2
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

Rating History

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Peak Ratings

Classical 2195
Rapid 1895
Blitz 2085

Games

Wins 32
Losses 18
Draws 7
Win Rate 56%

Performance by Color

Color Wins Draws Losses Win Rate
White 15 4 9 54%
Black 17 3 9 59%

All-time Games (from rating history)

Classical 282
Rapid 17
Blitz 64

Recent Matches

CM De Jong, Lode (1902) 2026-04-25 LOSS -31.2
Okita, Shinsaku (1899) 2026-04-25 DRAW -11.2
Van Haaften, Jelle (1882) 2026-04-25 WIN +8.0
Winter, Sven (2013) 2026-04-25 WIN +14.0
CM Aravindhan, Achyuth (2277) 2026-04-25 DRAW +8.4
Frederiks, Jesse (2018) 2026-04-25 DRAW -5.6
Teianu, Maxim (2024) 2026-04-25 WIN +14.8
Van Happen, Niels (1881) 2026-05-08 WIN +6.0
FM Baselmans, Luuk (2373) 2026-05-08 DRAW +10.0
GM Beerdsen, Thomas (2518) 2026-05-08 LOSS -4.8
Simons, Rudy (1996) 2026-05-08 WIN +10.4
FM Becx, C Sar (2027) 2026-05-08 WIN +12.0
FM Kurt, Sascha (2325) 2026-05-08 LOSS -12.0
Van Der Meiden, Dirk (1981) 2026-04-04 WIN +12.4
Lahaye, Rick (2390) 2026-04-04 LOSS -6.8
Buijsman, Delano (2005) 2026-04-04 WIN +13.6
Cornelisse, John (2181) 2026-04-04 WIN +23.2
CM Leenen, Boyd (2205) 2026-04-04 DRAW +4.8
Hummel, Paul (2151) 2026-04-04 LOSS -18.4
CM Mollema, T. (thomas) (2254) 2026-04-11 WIN +27.2
FM Roon Van, S.w.m.q. (sjoerd) (2303) 2026-03-07 LOSS -12.4
Zepeda, L.m. (lorena) (2036) 2026-03-28 LOSS -26.8
Smeenk, Merijn (1776) 2026-03-29 WIN +7.6
Roebers, Bregje (1937) 2026-03-29 WIN +14.8
IM Van Oosterom, Chiel (2417) 2026-03-29 LOSS -3.6
Roebers, Bregje (1937) 2026-03-29 WIN +14.8
Hendriks, Victor (2252) 2026-03-29 LOSS -8.8
Smeenk, Merijn (1776) 2026-03-29 WIN +7.6
Hendriks, Victor (2252) 2026-03-29 LOSS -8.8
IM Van Oosterom, Chiel (2417) 2026-03-29 LOSS -3.6
IM Van Oosterom, Chiel (2417) 2026-03-29 LOSS -3.6
IM Van Oosterom, Chiel (2417) 2026-03-29 LOSS -3.6
Mendelsohn, Saffran (1790) 2026-03-29 WIN +8.0
De Ruiter, Thomas (2059) 2026-03-29 DRAW +1.6
Langeveld, Jonathan (1762) 2026-03-29 DRAW -12.8
Mendelsohn, Saffran (1790) 2026-03-29 WIN +8.0
De Ruiter, Thomas (2059) 2026-03-29 WIN +21.6
Langeveld, Jonathan (1762) 2026-03-29 WIN +7.2
Oskam, Julian (1960) 2026-02-20 WIN +8.4
Schoonackers, Jeroen (1981) 2026-02-20 LOSS -30.8
Mienis, Dennis (2011) 2026-02-20 WIN +10.8
FM Mostertman, Milan (2228) 2026-02-20 LOSS -18.0
Timmer, Michel (1861) 2025-12-21 WIN +13.6
Broekman, Roel (1840) 2025-12-21 WIN +12.4
Koelmans, Jan Willem (1783) 2025-12-21 WIN +9.6
Nauanova, Zhaniya (1911) 2025-12-21 LOSS -24.0
Ritter, Uwe (1939) 2025-12-21 WIN +17.6
Aarts, Joaquin (2025) 2025-12-21 WIN +22.4
Blom, Rens (2016) 2025-12-21 WIN +22.0
Baarspul, Bram (1942) 2025-12-21 WIN +17.6