Sulkowski, Wiktor

ECF ratings

ECF code 378679B · Derby · Latest available list 2026-11-01

1709Standard · Provisional

1393Rapid

—Blitz

Revised published ratings. Pre-July 2020 grades use a separate scale.

Published lists

Date	Type	Scale	Original	Revised
2026-11-01	rapid	rating	1393	1393
2026-11-01	standard	rating	1709	1709
2026-10-01	rapid	rating	1343	1343
2026-09-01	rapid	rating	1343	1343
2026-08-01	rapid	rating	1343	1343
2026-07-01	rapid	rating	1343	1343
2026-06-01	rapid	rating	1281	1281
2026-05-01	rapid	rating	1281	1281
2026-04-01	rapid	rating	1281	1281
2026-03-01	rapid	rating	1165	1165
2026-02-01	rapid	rating	1165	1165
2026-01-01	rapid	rating	1165	1165
2025-12-01	rapid	rating	1165	1165
2025-11-01	rapid	rating	1165	1165
2025-10-01	rapid	rating	1165	1165
2025-09-01	rapid	rating	1165	1165
2025-08-01	rapid	rating	1165	1165
2025-07-01	rapid	rating	1154	1165