Bondarev Alexandr

From Perm, Russia

EMA: 15020044

Player page

Common russian riichi rating (CRR)

Rating date Dec. 19, 2023 (latest changes Dec. 19, 2023).

171 place (74.54).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.90 * 1) = 14.249820000000001

p1 = (402.99 * 3.50 * 0.29 + 93.33 * 4.20 * 0.86 + 0 + 0 + 0) / (3.50 * 0.29 + 4.20 * 0.86 + 1 + 1 + 1) = 97.23188991245787

p2 = (402.99 * 3.50 * 0.29 + 93.33 * 4.20 * 0.86) / max_coefficients = 51.8560936208317

score = 97.23188991245787 * 0.5 + 51.8560936208317 * 0.5 = 74.54399176664478

Rating changes

Show

all results
Date Place Points Reason
2023-12-19 182 -> 171 74.54
2023-11-28 192 -> 182 74.54
2023-11-26 184 -> 192 74.73 -> 74.54
2023-11-20 183 -> 184 91.29 -> 74.73

Tenpai can't buy happiness: 43% -> 29%
2023-11-09 182 -> 183 91.29
2023-11-06 180 -> 182 116.77 -> 91.29

Kirov Tournament: 14% -> 0%

IX Russian Riichi Championship: 100% -> 86%
2023-11-05 170 -> 180 116.77
2023-10-22 168 -> 170 116.77
2023-10-12 168 116.51 -> 116.77
2023-09-28 170 -> 168 116.51

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 93 2022-11-06 69/76 86% 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
5 909 2019-07-06 2/12 0% 1.50 CRR Perm Half Marathon
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