Grishin Aleksei

From Penza, Russia

Player page

Internal rating (RR)

Rating date Jan. 29, 2026 (latest changes Jan. 26, 2026).

175 place (226.99).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (417.72 * 3.65 * 0.57 + 333.33 * 2.60 * 0.86 + 114.29 * 3.50 * 1 + 327.27 * 3 * 1 + 0) / (3.65 * 0.57 + 2.60 * 0.86 + 3.50 * 1 + 3 * 1 + 1) = 253.58238100840776

p2 = (327.27 * 3 * 1 + 417.72 * 3.65 * 0.57 + 333.33 * 2.60 * 0.86 + 114.29 * 3.50 * 1) / max_coefficients = 200.39063545150503

score = 253.58238100840776 * 0.5 + 200.39063545150503 * 0.5 = 226.9865082299564

Rating changes

Show

all results
Date Place Points Reason
2026-01-26 174 -> 175 232.34 -> 226.99

Riichi On Ice: 100% -> 86%
2026-01-25 190 -> 174 176.45 -> 232.34

Riichi On Ice 2026: 0% -> 100%
2026-01-12 191 -> 190 176.45
2026-01-10 192 -> 191 176.45
2026-01-07 191 -> 192 176.45
2025-12-07 187 -> 191 176.45
2025-12-04 184 -> 187 188.80 -> 176.45

Riichi over Volga: 71% -> 57%
2025-11-30 185 -> 184 188.80
2025-11-12 187 -> 185 188.80
2025-11-04 178 -> 187 192.38 -> 188.80

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 327 2026-01-25 38/56 100% 3.00 RR Riichi On Ice 2026 Samara
2 114 2025-05-03 63/71 100% 3.50 RR Riichi over The Volga 2025 Samara
3 333 2025-01-26 29/43 86% 2.60 RR Riichi On Ice Samara
4 418 2024-08-04 47/80 57% 3.65 RR Riichi over Volga Samara
5 870 2019-03-09 4/24 0% 2.50 RR Toi-Toi-man Tournament Kirov