korobkin Alexander

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 3, 2023 (latest changes Sept. 3, 2023).

175 place (75.30).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (42.55 * 3.10 * 0.29 + 298.51 * 3.50 * 0.57 + 0 + 0 + 0) / (3.10 * 0.29 + 3.50 * 0.57 + 1 + 1 + 1) = 107.83662415025225

p2 = (298.51 * 3.50 * 0.57 + 42.55 * 3.10 * 0.29) / max_coefficients = 42.75979482466888

score = 107.83662415025225 * 0.5 + 42.75979482466888 * 0.5 = 75.29820948746057

Rating changes

Show

all results
Date Place Points Reason
2023-09-03 161 -> 175 77.18 -> 75.30
2023-08-27 156 -> 161 77.18
2023-08-19 157 -> 156 75.58 -> 77.18

Agari team tournament: 43% -> 29%
2023-08-12 157 74.61 -> 75.58
2023-07-20 157 87.01 -> 74.61

Tenpai can't buy happiness: 71% -> 57%
2023-07-03 159 -> 157 87.01
2023-06-19 159 87.01

Agari team tournament: 57% -> 43%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 299 2022-03-20 48/68 57% 3.50 RR Tenpai can't buy happiness Perm
2 43 2021-12-19 46/48 29% 3.10 RR Agari team tournament Moscow