Grishin Aleksei

From Penza, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 8, 2025 (latest changes Aug. 4, 2025).

221 place (199.25).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (417.72 * 3.65 * 0.86 + 333.33 * 2.60 * 1 + 114.29 * 3.50 * 1 + 0 + 0) / (3.65 * 0.86 + 2.60 * 1 + 3.50 * 1 + 1 + 1) = 229.19352375201666

p2 = (417.72 * 3.65 * 0.86 + 333.33 * 2.60 * 1 + 114.29 * 3.50 * 1) / max_coefficients = 169.30789473684212

score = 229.19352375201666 * 0.5 + 169.30789473684212 * 0.5 = 199.2507092444294

Rating changes

Show

Date Place Points Reason
2025-08-04 217 -> 221 209.70 -> 199.25

Riichi over Volga: 100% -> 86%

2025-08-03 213 -> 217 209.70
2025-07-26 210 -> 213 209.70
2025-07-19 211 -> 210 209.70
2025-07-13 207 -> 211 209.70
2025-07-12 208 -> 207 208.00 -> 209.70
2025-07-03 211 -> 208 208.00
2025-06-15 201 -> 211 210.65 -> 208.00
2025-06-14 195 -> 201 210.65
2025-06-11 202 -> 195 210.65

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 86% 3.65 RR Riichi over Volga Samara
4 870 2019-03-09 4/24 0% 2.50 RR Toi-Toi-man Tournament Kirov