Bondarev Alexandr

From Perm, Russia

EMA: 15020044

Player page

Common russian riichi rating (CRR)

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

47 place (447.25).

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

p1 = (421.05 * 2.10 * 0.14 + 650.60 * 4.20 * 0.29 + 478.26 * 2.20 * 0.43 + 909.09 * 1.50 * 0.43 + 571.43 * 3.85 * 0.71) / (2.10 * 0.14 + 4.20 * 0.29 + 2.20 * 0.43 + 1.50 * 0.43 + 3.85 * 0.71) = 602.1174093820924

p2 = (571.43 * 3.85 * 0.71 + 650.60 * 4.20 * 0.29 + 909.09 * 1.50 * 0.43 + 478.26 * 2.20 * 0.43) / max_coefficients = 292.39200752310296

score = 602.1174093820924 * 0.5 + 292.39200752310296 * 0.5 = 447.2547084525977

Rating changes

Show

all results
Date Place Points Reason
2021-02-01 55 -> 47 559.66 -> 447.25
2020-02-01 55 559.66

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 571 2019-11-04 28/64 71% 3.85 EMA Aki Shanten 2019
2 909 2019-07-06 2/12 43% 1.50 CRR Perm Half Marathon
3 478 2019-06-16 13/24 43% 2.20 RR URAL Mahjong Battle
4 651 2019-05-04 30/84 29% 4.20 EMA Haru Shanten 2019
5 421 2019-02-10 12/20 14% 2.10 RR Fuyu Shanten 2019
6 714 2018-11-18 27/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
7 239 2018-05-01 55/72 0% 3.85 EMA Haru Shanten 2018
8 519 2018-02-17 14/28 0% 1.70 RR Fuyu Shanten
9 563 2017-11-12 32/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
10 258 2017-06-03 24/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017