Grishin Aleksei

From Penza, Russia

Player page

Internal rating (RR)

Rating date June 11, 2025 (latest changes June 11, 2025).

154 place (210.65).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (417.72 * 3.65 * 1 + 333.33 * 2.60 * 1 + 114.29 * 3.50 * 1 + 0 + 0) / (3.65 * 1 + 2.60 * 1 + 3.50 * 1 + 1 + 1) = 237.56170212765957

p2 = (417.72 * 3.65 * 1 + 333.33 * 2.60 * 1 + 114.29 * 3.50 * 1) / max_coefficients = 183.73016970036846

score = 237.56170212765957 * 0.5 + 183.73016970036846 * 0.5 = 210.64593591401402

Rating changes

Show

all results
Date Place Points Reason
2025-06-11 162 -> 154 210.65
2025-06-09 163 -> 162 210.65
2025-05-12 166 -> 163 206.84 -> 210.65
2025-05-03 165 -> 166 204.70 -> 206.84

Riichi over The Volga 2025: 0% -> 100%
2025-04-27 164 -> 165 204.70
2025-03-30 165 -> 164 204.70
2025-03-10 164 -> 165 204.70
2025-03-02 160 -> 164 204.70
2025-02-16 149 -> 160 204.70
2025-02-11 150 -> 149 204.70

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 47/80 100% 3.65 RR Riichi over Volga Samara
4 870 2019-03-09 4/24 0% 2.50 RR Toi-Toi-man Tournament Kirov