Bondarev Alexandr

From Perm, Russia

EMA: 15020044

Player page

Internal rating (RR)

Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).

58 place (535.05).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55

p1 = (518.52 * 1.70 * 0.14 + 239.44 * 3.85 * 0.29 + 714.29 * 3.80 * 0.71 + 421.05 * 2.10 * 1 + 650.60 * 4.20 * 1 + 478.26 * 2.20 * 1 + 571.43 * 3.85 * 1) / (1.70 * 0.14 + 3.85 * 0.29 + 3.80 * 0.71 + 2.10 * 1 + 4.20 * 1 + 2.20 * 1 + 3.85 * 1) = 560.5491242724618

p2 = (650.60 * 4.20 * 1 + 571.43 * 3.85 * 1 + 714.29 * 3.80 * 0.71 + 478.26 * 2.20 * 1) / max_coefficients = 509.5504823151125

score = 560.5491242724618 * 0.5 + 509.5504823151125 * 0.5 = 535.0498032937871

Rating changes

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all results
Date Place Points Reason
2020-02-01 58 535.05

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 571 2019-11-04 28/64 100% 3.85 EMA Aki Shanten 2019
2 478 2019-06-16 13/24 100% 2.20 RR URAL Mahjong Battle
3 651 2019-05-04 30/84 100% 4.20 EMA Haru Shanten 2019
4 421 2019-02-10 12/20 100% 2.10 RR Fuyu Shanten 2019
5 714 2018-11-18 27/92 71% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
6 239 2018-05-01 55/72 29% 3.85 EMA Haru Shanten 2018
7 519 2018-02-17 14/28 14% 1.70 RR Fuyu Shanten
8 563 2017-11-12 32/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
9 258 2017-06-03 24/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017