Grishin Aleksei

From Penza, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 4, 2025 (latest changes Oct. 4, 2025).

219 place (189.59).

max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8

p1 = (114.29 * 3.50 * 1 + 417.72 * 3.65 * 0.71 + 333.33 * 2.60 * 1 + 0 + 0) / (3.50 * 1 + 3.65 * 0.71 + 2.60 * 1 + 1 + 1) = 220.01560632826803

p2 = (417.72 * 3.65 * 0.71 + 333.33 * 2.60 * 1 + 114.29 * 3.50 * 1) / max_coefficients = 159.1722972972973

score = 220.01560632826803 * 0.5 + 159.1722972972973 * 0.5 = 189.59395181278268

Rating changes

Show

all results
Date Place Points Reason
2025-10-04 208 -> 219 201.54 -> 189.59

Riichi over Volga: 86% -> 71%
2025-09-30 210 -> 208 201.54
2025-09-19 211 -> 210 201.54
2025-09-12 212 -> 211 201.54
2025-09-05 213 -> 212 201.54
2025-09-03 219 -> 213 201.54
2025-09-01 220 -> 219 199.25 -> 201.54
2025-08-31 219 -> 220 199.25
2025-08-26 220 -> 219 199.25
2025-08-25 221 -> 220 199.25

Tournaments

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