Grishin Aleksei

From Penza, Russia

Player page

Internal rating (RR)

Rating date Aug. 31, 2026 (latest changes Aug. 31, 2026).

158 place (285.79).

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

p1 = (333.33 * 2.60 * 0.43 + 114.29 * 3.50 * 0.71 + 327.27 * 3 * 1 + 666.67 * 2.90 * 1 + 0) / (2.60 * 0.43 + 3.50 * 0.71 + 3 * 1 + 2.90 * 1 + 1) = 339.7546795302828

p2 = (666.67 * 2.90 * 1 + 327.27 * 3 * 1 + 333.33 * 2.60 * 0.43 + 114.29 * 3.50 * 0.71) / max_coefficients = 231.8182998053212

score = 339.7546795302828 * 0.5 + 231.8182998053212 * 0.5 = 285.786489667802

Rating changes

Show

all results
Date Place Points Reason
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
2026-08-04 156 -> 162 303.52 -> 284.57

Riichi over Volga: 14% -> 0%
2026-07-26 156 306.70 -> 303.52

Riichi On Ice: 57% -> 43%
2026-07-25 154 -> 156 306.70
2026-07-18 152 -> 154 306.70
2026-07-14 153 -> 152 306.70

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 71% 3.50 RR Riichi over The Volga 2025 Samara
4 333 2025-01-26 29/43 43% 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