Grishin Aleksei

From Penza, Russia

Player page

Internal rating (RR)

Rating date Oct. 9, 2026 (latest changes Oct. 8, 2026).

158 place (285.89).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (333.33 * 2.60 * 0.29 + 114.29 * 3.50 * 0.57 + 327.27 * 3 * 1 + 666.67 * 2.90 * 1 + 0) / (2.60 * 0.29 + 3.50 * 0.57 + 3 * 1 + 2.90 * 1 + 1) = 351.69744636368154

p2 = (666.67 * 2.90 * 1 + 327.27 * 3 * 1 + 333.33 * 2.60 * 0.29 + 114.29 * 3.50 * 0.57) / max_coefficients = 220.07268007787152

score = 351.69744636368154 * 0.5 + 220.07268007787152 * 0.5 = 285.88506322077654

Rating changes

Show

all results
Date Place Points Reason
2026-09-26 157 -> 158 289.56 -> 285.89

Riichi On Ice: 43% -> 29%
2026-09-07 158 -> 157 289.56
2026-09-06 154 -> 158 289.56
2026-09-03 156 -> 154 285.79 -> 289.56

Riichi over The Volga 2025: 71% -> 57%
2026-09-01 158 -> 156 285.79
2026-08-31 162 -> 158 285.41 -> 285.79
2026-08-26 163 -> 162 285.41
2026-08-16 160 -> 163 285.41
2026-08-15 161 -> 160 284.57 -> 285.41
2026-08-13 162 -> 161 284.57

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 667 2026-05-03 15/43 100% 2.90 RR Sturgeon in tempai Saratov
2 327 2026-01-25 38/56 100% 3.00 RR Riichi On Ice 2026 Samara
3 114 2025-05-03 63/71 57% 3.50 RR Riichi over The Volga 2025 Samara
4 333 2025-01-26 29/43 29% 2.60 RR Riichi On Ice Samara
5 418 2024-08-04 47/80 0% 3.65 RR Riichi over Volga Samara
6 870 2019-03-09 4/24 0% 2.50 RR Toi-Toi-man Tournament Kirov