Bondarev Alexandr

From Perm, Russia

EMA: 15020044

Player page

Common russian riichi rating (CRR)

Rating date March 17, 2021 (latest changes March 17, 2021).

60 place (355.73).

max_coefficients = (4.05 * 0.71 + 2.90 * 0.86 + 3.45 * 0.71 + 2.70 * 0.86) = 10.15701

p1 = (650.60 * 4.20 * 0.14 + 478.26 * 2.20 * 0.29 + 909.09 * 1.50 * 0.29 + 571.43 * 3.85 * 0.57 + 0) / (4.20 * 0.14 + 2.20 * 0.29 + 1.50 * 0.29 + 3.85 * 0.57 + 1) = 481.3018306994211

p2 = (571.43 * 3.85 * 0.57 + 650.60 * 4.20 * 0.14 + 909.09 * 1.50 * 0.29 + 478.26 * 2.20 * 0.29) / max_coefficients = 230.16222293765586

score = 481.3018306994211 * 0.5 + 230.16222293765586 * 0.5 = 355.7320268185385

Rating changes

Show

Date Place Points Reason
2021-03-08 61 -> 60 351.22 -> 355.73
2021-03-06 58 -> 61 369.48 -> 351.22

Perm Half Marathon: 43% -> 29%

2021-03-05 59 -> 58 369.48
2021-03-04 54 -> 59 407.21 -> 369.48

Aki Shanten 2019: 71% -> 57%

Haru Shanten 2019: 29% -> 14%

2021-02-25 55 -> 54 407.21
2021-02-16 55 413.03 -> 407.21

URAL Mahjong Battle: 43% -> 29%

2021-02-15 56 -> 55 405.35 -> 413.03
2021-02-10 49 -> 56 447.25 -> 405.35

Fuyu Shanten 2019: 14% -> 0%

2021-01-26 49 444.34 -> 447.25
2021-01-24 50 -> 49 441.29 -> 444.34

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 571 2019-11-04 28/64 57% 3.85 EMA Aki Shanten 2019
2 909 2019-07-06 2/12 29% 1.50 CRR Perm Half Marathon
3 478 2019-06-16 13/24 29% 2.20 RR URAL Mahjong Battle
4 651 2019-05-04 30/84 14% 4.20 EMA Haru Shanten 2019
5 421 2019-02-10 12/20 0% 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