Bondarev Alexandr

From Perm, Russia

EMA: 15020044

Player page

Internal rating (RR)

Rating date July 14, 2024 (latest changes July 14, 2024).

140 place (33.46).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001

p1 = (93.33 * 4.20 * 0.29 + 56.07 * 4.60 * 1 + 0 + 0 + 0) / (4.20 * 0.29 + 4.60 * 1 + 1 + 1 + 1) = 42.037786621272424

p2 = (56.07 * 4.60 * 1 + 93.33 * 4.20 * 0.29) / max_coefficients = 24.887438715699712

score = 42.037786621272424 * 0.5 + 24.887438715699712 * 0.5 = 33.46261266848607

Rating changes

Show

all results
Date Place Points Reason
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
2024-05-12 112 -> 134 52.18 -> 36.49

X Russian Championship: 0% -> 100%
2024-03-10 102 -> 112 54.88 -> 52.18
2024-03-06 102 57.26 -> 54.88

IX Russian Riichi Championship: 71% -> 57%
2024-02-12 103 -> 102 56.33 -> 57.26
2024-01-20 102 -> 103 76.13 -> 56.33

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 102 76.85 -> 76.13

IX Russian Riichi Championship: 86% -> 71%

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 29% 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