Bondarev Alexandr

From Perm, Russia

EMA: 15020044

Player page

Internal rating (RR)

Rating date Jan. 6, 2024 (latest changes Jan. 6, 2024).

102 place (76.13).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001

p1 = (402.99 * 3.50 * 0.29 + 93.33 * 4.20 * 0.71 + 0 + 0 + 0) / (3.50 * 0.29 + 4.20 * 0.71 + 1 + 1 + 1) = 97.56700347570931

p2 = (402.99 * 3.50 * 0.29 + 93.33 * 4.20 * 0.71) / max_coefficients = 54.699344620207285

score = 97.56700347570931 * 0.5 + 54.699344620207285 * 0.5 = 76.1331740479583

Rating changes

Show

all results
Date Place Points Reason
2024-01-06 102 76.85 -> 76.13

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 116 -> 102 76.85
2023-12-12 116 75.66 -> 76.85
2023-11-28 128 -> 116 75.66
2023-11-20 126 -> 128 92.47 -> 75.66

Tenpai can't buy happiness: 43% -> 29%
2023-11-06 126 118.18 -> 92.47

IX Russian Riichi Championship: 100% -> 86%

Kirov Tournament: 14% -> 0%
2023-10-12 126 116.51 -> 118.18
2023-09-28 127 -> 126 116.51
2023-09-20 126 -> 127 130.57 -> 116.51

Tenpai can't buy happiness: 57% -> 43%
2023-09-06 127 -> 126 146.77 -> 130.57

Kirov Tournament: 29% -> 14%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 93 2022-11-06 69/76 71% 4.20 RR IX Russian Riichi Championship
2 403 2022-03-20 41/68 29% 3.50 RR Tenpai can't buy happiness
3 491 2021-11-06 29/56 0% 3.30 RR Kirov Tournament
4 571 2019-11-04 28/64 0% 3.85 EMA Aki Shanten 2019
5 478 2019-06-16 13/24 0% 2.20 RR URAL Mahjong Battle
6 651 2019-05-04 30/84 0% 4.20 EMA Haru Shanten 2019
7 421 2019-02-10 12/20 0% 2.10 RR Fuyu Shanten 2019
8 714 2018-11-18 27/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
9 239 2018-05-01 55/72 0% 3.85 EMA Haru Shanten 2018
10 519 2018-02-17 14/28 0% 1.70 RR Fuyu Shanten
11 563 2017-11-12 32/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
12 258 2017-06-03 24/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017