Grishin Aleksei

From Penza, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 20, 2026 (latest changes April 19, 2026).

220 place (257.21).

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

p1 = (417.72 * 3.65 * 0.29 + 333.33 * 2.60 * 0.71 + 114.29 * 3.50 * 1 + 650 * 1.50 * 1 + 327.27 * 3 * 1) / (3.65 * 0.29 + 2.60 * 0.71 + 3.50 * 1 + 1.50 * 1 + 3 * 1) = 312.98024722052367

p2 = (327.27 * 3 * 1 + 650 * 1.50 * 1 + 333.33 * 2.60 * 0.71 + 417.72 * 3.65 * 0.29) / max_coefficients = 201.43678929765886

score = 312.98024722052367 * 0.5 + 201.43678929765886 * 0.5 = 257.20851825909125

Rating changes

Show

all results
Date Place Points Reason
2026-04-19 208 -> 220 257.21
2026-04-16 207 -> 208 257.21
2026-04-13 208 -> 207 257.21
2026-04-11 200 -> 208 257.21
2026-04-09 202 -> 200 257.21
2026-04-05 198 -> 202 257.21
2026-04-04 196 -> 198 266.89 -> 257.21

Riichi over Volga: 43% -> 29%
2026-04-02 197 -> 196 266.89
2026-03-26 196 -> 197 271.27 -> 266.89

Riichi On Ice: 86% -> 71%
2026-03-21 193 -> 196 271.27

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
2 650 2025-11-22 8/21 100% 1.50 CRR San-Biki Cup Saratov
3 114 2025-05-03 63/71 100% 3.50 RR Riichi over The Volga 2025 Samara
4 333 2025-01-26 29/43 71% 2.60 RR Riichi On Ice Samara
5 418 2024-08-04 47/80 29% 3.65 RR Riichi over Volga Samara
6 870 2019-03-09 4/24 0% 2.50 RR Toi-Toi-man Tournament Kirov