Bondarev Alexandr

From Perm, Russia

EMA: 15020044

Player page

Internal rating (RR)

Rating date June 12, 2022 (latest changes June 12, 2022).

65 place (260.57).

max_coefficients = (4.05 * 1 + 3.50 * 1 + 3.45 * 1 + 3.30 * 1) = 14.3

p1 = (490.91 * 3.30 * 1 + 402.99 * 3.50 * 1 + 0 + 0 + 0) / (3.30 * 1 + 3.50 * 1 + 1 + 1 + 1) = 309.22959183673464

p2 = (490.91 * 3.30 * 1 + 402.99 * 3.50 * 1) / max_coefficients = 211.9195804195804

score = 309.22959183673464 * 0.5 + 211.9195804195804 * 0.5 = 260.57458612815753

Rating changes

Show

all results
Date Place Points Reason
2022-06-12 45 -> 65 268.11 -> 260.57
2022-04-01 63 -> 45 362.94 -> 268.11
2021-02-01 59 -> 63 535.05 -> 362.94
2020-02-01 59 535.05

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 403 2022-03-20 41/68 100% 3.50 RR Tenpai can't buy happiness
2 491 2021-11-06 29/56 100% 3.30 RR Kirov Tournament
3 571 2019-11-04 28/64 0% 3.85 EMA Aki Shanten 2019
4 478 2019-06-16 13/24 0% 2.20 RR URAL Mahjong Battle
5 651 2019-05-04 30/84 0% 4.20 EMA Haru Shanten 2019
6 421 2019-02-10 12/20 0% 2.10 RR Fuyu Shanten 2019
7 714 2018-11-18 27/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
8 239 2018-05-01 55/72 0% 3.85 EMA Haru Shanten 2018
9 519 2018-02-17 14/28 0% 1.70 RR Fuyu Shanten
10 563 2017-11-12 32/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
11 258 2017-06-03 24/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017