Goncharenko Alexandr

From Tomsk, Russia

EMA: 15020094

Player page

Internal rating (RR)

Rating date June 5, 2023 (latest changes May 30, 2023).

147 place (102.82).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

p1 = (714.29 * 3.85 * 0.14 + 368.42 * 2.10 * 0.29 + 74.63 * 3.50 * 0.71 + 0 + 0) / (3.85 * 0.14 + 2.10 * 0.29 + 3.50 * 0.71 + 1 + 1) = 141.69270563707204

p2 = (714.29 * 3.85 * 0.14 + 368.42 * 2.10 * 0.29 + 74.63 * 3.50 * 0.71) / max_coefficients = 63.93778965434348

score = 141.69270563707204 * 0.5 + 63.93778965434348 * 0.5 = 102.81524764570776

Rating changes

Show

Date Place Points Reason
2023-05-30 149 -> 147 102.82
2023-05-28 149 102.31 -> 102.82
2023-05-20 150 -> 149 99.81 -> 102.31

Tenpai can't buy happiness: 86% -> 71%

2023-04-30 145 -> 150 146.52 -> 99.81

Snow Dragon Tournament: 43% -> 29%

Aki Shanten 2019: 29% -> 14%

2023-04-19 147 -> 145 145.60 -> 146.52
2023-03-30 150 -> 147 145.60
2023-03-28 151 -> 150 144.69 -> 145.60
2023-03-20 153 -> 151 140.39 -> 144.69

Tenpai can't buy happiness: 100% -> 86%

2023-03-06 155 -> 153 140.39
2023-02-28 147 -> 155 178.89 -> 140.39

Snow Dragon Tournament: 57% -> 43%

Aki Shanten 2019: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 75 2022-03-20 63/68 71% 3.50 RR Tenpai can't buy happiness
2 368 2020-01-05 13/20 29% 2.10 EMA Snow Dragon Tournament
3 714 2019-11-04 19/64 14% 3.85 EMA Aki Shanten 2019
4 952 2019-05-04 5/84 0% 4.20 EMA Haru Shanten 2019
5 345 2019-01-05 37/56 0% 3.00 EMA Snow Dragon
6 385 2018-11-18 57/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
7 217 2018-08-12 19/24 0% 2.20 RR Siberian riichi
8 677 2018-01-05 11/32 0% 2.20 RR Russian riichi championship by JPML-B rules
9 1000 2017-01-05 1/36 0% 2.50 RR Quick discard 2017
10 452 2016-05-03 18/32 0% 2.40 RR Siberia Cup 2016
11 326 2016-01-05 30/44 0% 1.90 RR Eighth winter tournament
12 857 2015-01-07 6/36 0% 1.70 RR Seventh winter tournament
13 609 2014-01-06 10/24 0% 1.40 RR Furiten tournament 2014