korobkin Alexander

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).

190 place (63.69).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002

p1 = (42.55 * 3.10 * 0.14 + 298.51 * 3.50 * 0.43 + 0 + 0 + 0) / (3.10 * 0.14 + 3.50 * 0.43 + 1 + 1 + 1) = 94.40248913129238

p2 = (298.51 * 3.50 * 0.43 + 42.55 * 3.10 * 0.14) / max_coefficients = 32.97851138742401

score = 94.40248913129238 * 0.5 + 32.97851138742401 * 0.5 = 63.690500259358195

Rating changes

Show

all results
Date Place Points Reason
2023-11-06 192 -> 190 63.02 -> 63.69
2023-11-05 180 -> 192 63.02
2023-10-22 177 -> 180 63.02
2023-10-19 177 61.53 -> 63.02

Agari team tournament: 29% -> 14%
2023-10-12 177 61.42 -> 61.53
2023-09-28 178 -> 177 61.42
2023-09-20 175 -> 178 75.30 -> 61.42

Tenpai can't buy happiness: 57% -> 43%
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%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 299 2022-03-20 48/68 43% 3.50 RR Tenpai can't buy happiness Perm
2 43 2021-12-19 46/48 14% 3.10 RR Agari team tournament Moscow