Goncharenko Alexandr

From Novosibirsk, Russia

EMA: 15020094

Player page

Internal rating (RR)

Rating date Sept. 6, 2023 (latest changes Sept. 6, 2023).

69 place (381.80).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (74.63 * 3.50 * 0.57 + 448.28 * 3.75 * 1 + 794.39 * 4 * 1 + 0 + 0) / (3.50 * 0.57 + 3.75 * 1 + 4 * 1 + 1 + 1) = 426.20362726491294

p2 = (794.39 * 4 * 1 + 448.28 * 3.75 * 1 + 74.63 * 3.50 * 0.57) / max_coefficients = 337.38992643965156

score = 426.20362726491294 * 0.5 + 337.38992643965156 * 0.5 = 381.7967768522823

Rating changes

Show

all results
Date Place Points Reason
2023-09-06 70 -> 69 381.80
2023-09-03 100 -> 70 175.85 -> 381.80

SPB Riichi Open 2023: 0% -> 100%
2023-08-19 101 -> 100 175.85
2023-08-12 102 -> 101 172.78 -> 175.85
2023-07-20 102 168.03 -> 172.78

Tenpai can't buy happiness: 71% -> 57%
2023-07-06 104 -> 102 168.03
2023-06-12 105 -> 104 165.35 -> 168.03
2023-06-11 52 -> 105 405.88 -> 165.35

Money can not buy tenpai: 0% -> 100%
2021-02-01 48 -> 52 570.44 -> 405.88
2020-02-01 48 570.44

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 794 2023-09-03 23/108 100% 4.00 RR SPB Riichi Open 2023
2 448 2023-06-11 49/88 100% 3.75 RR Money can not buy tenpai
3 75 2022-03-20 63/68 57% 3.50 RR Tenpai can't buy happiness
4 368 2020-01-05 13/20 0% 2.10 EMA Snow Dragon Tournament
5 714 2019-11-04 19/64 0% 3.85 EMA Aki Shanten 2019
6 952 2019-05-04 5/84 0% 4.20 EMA Haru Shanten 2019
7 345 2019-01-05 37/56 0% 3.00 EMA Snow Dragon
8 385 2018-11-18 57/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
9 217 2018-08-12 19/24 0% 2.20 RR Siberian riichi
10 677 2018-01-05 11/32 0% 2.20 RR Russian riichi championship by JPML-B rules
11 1000 2017-01-05 1/36 0% 2.50 RR Quick discard 2017
12 452 2016-05-03 18/32 0% 2.40 RR Siberia Cup 2016
13 326 2016-01-05 30/44 0% 1.90 RR Eighth winter tournament
14 857 2015-01-07 6/36 0% 1.70 RR Seventh winter tournament
15 609 2014-01-06 10/24 0% 1.40 RR Furiten tournament 2014