Bondarev Alexandr

From Perm, Russia

EMA: 15020044

Player page

Internal rating (RR)

Rating date Oct. 13, 2024 (latest changes Oct. 13, 2024).

168 place (29.05).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (93.33 * 4.20 * 0.14 + 56.07 * 4.60 * 1 + 0 + 0 + 0) / (4.20 * 0.14 + 4.60 * 1 + 1 + 1 + 1) = 38.28696443248807

p2 = (56.07 * 4.60 * 1 + 93.33 * 4.20 * 0.14) / max_coefficients = 19.808201892744478

score = 38.28696443248807 * 0.5 + 19.808201892744478 * 0.5 = 29.047583162616274

Rating changes

Show

all results
Date Place Points Reason
2024-10-13 157 -> 168 29.25 -> 29.05
2024-09-06 157 32.93 -> 29.25

IX Russian Riichi Championship: 29% -> 14%
2024-09-03 157 32.51 -> 32.93
2024-09-01 144 -> 157 33.11 -> 32.51
2024-08-11 144 32.98 -> 33.11
2024-08-04 140 -> 144 33.46 -> 32.98
2024-07-14 134 -> 140 33.46
2024-07-06 133 -> 134 36.98 -> 33.46

IX Russian Riichi Championship: 43% -> 29%
2024-06-11 145 -> 133 36.49 -> 36.98
2024-06-09 134 -> 145 36.49

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 56 2024-05-12 102/108 100% 4.60 RR X Russian Championship
2 93 2022-11-06 69/76 14% 4.20 RR IX Russian Riichi Championship
3 403 2022-03-20 41/68 0% 3.50 RR Tenpai can't buy happiness
4 491 2021-11-06 29/56 0% 3.30 RR Kirov Tournament
5 571 2019-11-04 28/64 0% 3.85 EMA Aki Shanten 2019
6 478 2019-06-16 13/24 0% 2.20 RR URAL Mahjong Battle
7 651 2019-05-04 30/84 0% 4.20 EMA Haru Shanten 2019
8 421 2019-02-10 12/20 0% 2.10 RR Fuyu Shanten 2019
9 714 2018-11-18 27/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
10 239 2018-05-01 55/72 0% 3.85 EMA Haru Shanten 2018
11 519 2018-02-17 14/28 0% 1.70 RR Fuyu Shanten
12 563 2017-11-12 32/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
13 258 2017-06-03 24/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017