Polyakov Yuriy

From Ufa, Russia

Player page

Common russian riichi rating (CRR)

Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).

183 place (19.87).

max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645

p1 = (0 * 2.10 * 0.14 + 181.82 * 1.50 * 0.43 + 0 + 0 + 0) / (2.10 * 0.14 + 1.50 * 0.43 + 1 + 1 + 1) = 29.645015584619795

p2 = (181.82 * 1.50 * 0.43 + 0 * 2.10 * 0.14) / max_coefficients = 10.089209534730264

score = 29.645015584619795 * 0.5 + 10.089209534730264 * 0.5 = 19.86711255967503

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 271 -> 183 56.78 -> 19.87
2020-02-01 271 56.78

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 182 2019-07-06 10/12 43% 1.50 CRR Perm Half Marathon
2 0 2019-02-10 20/20 14% 2.10 RR Fuyu Shanten 2019
3 259 2018-08-11 21/28 0% 1.70 RR Natsu Shanten 2018
4 355 2017-06-03 21/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017
5 259 2015-02-22 21/28 0% 1.90 RR 2 winter riichi mahjong tournament 2015