Rison, Otis

ECF ratings

ECF code 369393E · Cowley · Latest available list 2026-10-01

1103Standard

678Rapid · Provisional

—Blitz

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

Published lists

Date	Type	Scale	Original	Revised
2026-10-01	rapid	rating	678	678
2026-10-01	standard	rating	1103	1103
2026-09-01	rapid	rating	678	678
2026-09-01	standard	rating	1103	1103
2026-08-01	rapid	rating	678	678
2026-08-01	standard	rating	1103	1103
2026-07-01	rapid	rating	678	678
2026-07-01	standard	rating	1103	1103
2026-06-01	rapid	rating	678	678
2026-06-01	standard	rating	1103	1103
2026-05-01	rapid	rating	678	678
2026-05-01	standard	rating	1103	1103
2026-04-01	rapid	rating	678	678
2026-04-01	standard	rating	1103	1103
2026-03-01	rapid	rating	678	678
2026-03-01	standard	rating	1107	1107
2026-02-01	rapid	rating	678	678
2026-02-01	standard	rating	1107	1107
2026-01-01	rapid	rating	678	678
2026-01-01	standard	rating	1129	1129
2025-12-01	rapid	rating	678	678
2025-12-01	standard	rating	1125	1125
2025-11-01	rapid	rating	678	678
2025-11-01	standard	rating	1125	1125
2025-10-01	rapid	rating	678	678
2025-10-01	standard	rating	1077	1077
2025-09-01	rapid	rating	678	678
2025-09-01	standard	rating	1077	1077
2025-08-01	rapid	rating	678	678
2025-08-01	standard	rating	1077	1077
2025-07-01	rapid	rating	678	678
2025-07-01	standard	rating	1077	1077
2025-06-01	rapid	rating	678	678
2025-06-01	standard	rating	1070	1077
2025-05-01	rapid	rating	678	678
2025-05-01	standard	rating	1070	1077
2025-04-01	rapid	rating	678	678
2025-04-01	standard	rating	1092	1101
2025-03-01	rapid	rating	678	678
2025-03-01	standard	rating	1215	1062
2025-02-01	rapid	rating	678	678
2025-02-01	standard	rating	1215	1217
2025-01-01	rapid	rating	678	678
2025-01-01	standard	rating	1134	1134
2024-12-01	rapid	rating	678	678
2024-12-01	standard	rating	1134	1134
2024-11-01	rapid	rating	678	678
2024-11-01	standard	rating	1134	1134
2024-10-01	rapid	rating	678	678
2024-09-01	rapid	rating	678	678