Bondarev Alexandr

From Perm, Russia

EMA: 15020044

Player page

Common russian riichi rating (CRR)

Rating date Aug. 20, 2023 (latest changes Aug. 20, 2023).

142 place (151.69).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 2.80 * 1) = 13.642914999999999

p1 = (490.91 * 3.30 * 0.29 + 402.99 * 3.50 * 0.57 + 93.33 * 4.20 * 1 + 0 + 0) / (3.30 * 0.29 + 3.50 * 0.57 + 4.20 * 1 + 1 + 1) = 181.6485484063259

p2 = (402.99 * 3.50 * 0.57 + 490.91 * 3.30 * 0.29 + 93.33 * 4.20 * 1) / max_coefficients = 121.73058323679362

score = 181.6485484063259 * 0.5 + 121.73058323679362 * 0.5 = 151.68956582155977

Rating changes

Show

all results
Date Place Points Reason
2023-08-12 142 149.21 -> 151.69
2023-07-20 139 -> 142 162.04 -> 149.21

Tenpai can't buy happiness: 71% -> 57%
2023-07-06 133 -> 139 177.12 -> 162.04

Kirov Tournament: 43% -> 29%
2023-07-05 134 -> 133 177.12
2023-07-03 137 -> 134 177.12
2023-06-12 138 -> 137 174.24 -> 177.12
2023-06-11 122 -> 138 180.77 -> 174.24
2023-05-20 121 -> 122 189.80 -> 180.77

Tenpai can't buy happiness: 86% -> 71%
2023-05-06 118 -> 121 203.87 -> 189.80

Kirov Tournament: 57% -> 43%
2023-05-05 117 -> 118 203.87

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 93 2022-11-06 69/76 100% 4.20 RR IX Russian Riichi Championship
2 403 2022-03-20 41/68 57% 3.50 RR Tenpai can't buy happiness
3 491 2021-11-06 29/56 29% 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