Bondarev Alexandr

From Perm, Russia

EMA: 15020044

Player page

Common russian riichi rating (CRR)

Rating date June 2, 2024 (latest changes May 25, 2024).

204 place (36.49).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999

p1 = (93.33 * 4.20 * 0.43 + 56.07 * 4.60 * 1 + 0 + 0 + 0) / (4.20 * 0.43 + 4.60 * 1 + 1 + 1 + 1) = 45.31325132019592

p2 = (56.07 * 4.60 * 1 + 93.33 * 4.20 * 0.43) / max_coefficients = 27.65909090909091

score = 45.31325132019592 * 0.5 + 27.65909090909091 * 0.5 = 36.48617111464341

Rating changes

Show

all results
Date Place Points Reason
2024-05-25 198 -> 204 36.49
2024-05-19 193 -> 198 36.49
2024-05-12 180 -> 193 51.59 -> 36.49

X Russian Championship: 0% -> 100%
2024-03-10 177 -> 180 52.37 -> 51.59
2024-03-06 177 54.68 -> 52.37

IX Russian Riichi Championship: 71% -> 57%
2024-02-25 175 -> 177 54.68
2024-02-12 176 -> 175 54.68
2024-01-20 172 -> 176 73.80 -> 54.68

Tenpai can't buy happiness: 29% -> 14%
2024-01-06 171 -> 172 74.54 -> 73.80

IX Russian Riichi Championship: 86% -> 71%
2024-01-05 172 -> 171 74.54

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 43% 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
6 909 2019-07-06 2/12 0% 1.50 CRR Perm Half Marathon
7 478 2019-06-16 13/24 0% 2.20 RR URAL Mahjong Battle
8 651 2019-05-04 30/84 0% 4.20 EMA Haru Shanten 2019
9 421 2019-02-10 12/20 0% 2.10 RR Fuyu Shanten 2019
10 714 2018-11-18 27/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
11 239 2018-05-01 55/72 0% 3.85 EMA Haru Shanten 2018
12 519 2018-02-17 14/28 0% 1.70 RR Fuyu Shanten
13 563 2017-11-12 32/72 0% 3.25 EMA Perm Riichi 2017 Aki Shanten
14 258 2017-06-03 24/32 0% 1.60 RR "Summer shanten" tournament, Perm 2017