Grishin Aleksei

From Penza, Russia

Player page

Common russian riichi rating (CRR)

Rating date Dec. 10, 2025 (latest changes Dec. 9, 2025).

193 place (259.43).

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 * 1 + 114.29 * 3.50 * 1 + 695.65 * 1.60 * 1 + 0) / (3.65 * 0.57 + 2.60 * 1 + 3.50 * 1 + 1.60 * 1 + 1) = 301.4117884848423

p2 = (695.65 * 1.60 * 1 + 417.72 * 3.65 * 0.57 + 333.33 * 2.60 * 1 + 114.29 * 3.50 * 1) / max_coefficients = 217.45217391304348

score = 301.4117884848423 * 0.5 + 217.45217391304348 * 0.5 = 259.4319811989429

Rating changes

Show

all results
Date Place Points Reason
2025-12-07 188 -> 193 259.43
2025-12-06 185 -> 188 259.43
2025-12-04 179 -> 185 269.40 -> 259.43

Riichi over Volga: 71% -> 57%
2025-11-30 180 -> 179 269.40
2025-11-25 182 -> 180 269.40
2025-11-22 224 -> 182 188.80 -> 269.40

San-Biki Cup: 0% -> 100%
2025-11-19 225 -> 224 188.80
2025-11-12 226 -> 225 188.80
2025-11-04 218 -> 226 192.38 -> 188.80
2025-11-01 218 192.09 -> 192.38

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 696 2025-11-22 8/24 100% 1.60 CRR San-Biki Cup Saratov
2 114 2025-05-03 63/71 100% 3.50 RR Riichi over The Volga 2025 Samara
3 333 2025-01-26 29/43 100% 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