Goncharenko Alexandr

From Novosibirsk, Russia

EMA: 15020094

Player page

Internal rating (RR)

Rating date Sept. 6, 2024 (latest changes Sept. 6, 2024).

6 place (746.97).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.65 * 1 + 4 * 0.86) = 15.5284

p1 = (448.28 * 3.75 * 0.71 + 794.39 * 4 * 0.86 + 906.54 * 4.60 * 1 + 957.45 * 2.80 * 1 + 582.28 * 3.65 * 1 + 610.53 * 3.85 * 1) / (3.75 * 0.71 + 4 * 0.86 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1) = 725.9976127033696

p2 = (906.54 * 4.60 * 1 + 794.39 * 4 * 0.86 + 957.45 * 2.80 * 1 + 610.53 * 3.85 * 1) / max_coefficients = 767.9458282888129

score = 725.9976127033696 * 0.5 + 767.9458282888129 * 0.5 = 746.9717204960912

Rating changes

Show

all results
Date Place Points Reason
2024-09-03 6 748.35 -> 746.97

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 4 -> 6 773.82 -> 748.35

SPB Riichi Open 2024: 0% -> 100%
2024-08-11 4 765.14 -> 773.82

Money can not buy tenpai: 86% -> 71%
2024-08-04 3 -> 4 753.08 -> 765.14

Riichi over Volga: 0% -> 100%
2024-07-14 17 -> 3 613.72 -> 753.08

Guardian of the Winds: 0% -> 100%
2024-07-06 19 -> 17 613.72
2024-06-11 20 -> 19 607.73 -> 613.72

Money can not buy tenpai: 100% -> 86%
2024-06-09 17 -> 20 607.73
2024-05-12 43 -> 17 414.30 -> 607.73

X Russian Championship: 0% -> 100%
2024-05-06 47 -> 43 410.02 -> 414.30

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 611 2024-09-01 38/96 100% 3.85 RR SPB Riichi Open 2024
2 582 2024-08-04 34/80 100% 3.65 RR Riichi over Volga
3 957 2024-07-14 3/48 100% 2.80 RR Guardian of the Winds
4 907 2024-05-12 11/108 100% 4.60 RR X Russian Championship
5 794 2023-09-03 23/108 86% 4.00 RR SPB Riichi Open 2023
6 448 2023-06-11 49/88 71% 3.75 RR Money can not buy tenpai
7 75 2022-03-20 63/68 0% 3.50 RR Tenpai can't buy happiness
8 368 2020-01-05 13/20 0% 2.10 EMA Snow Dragon Tournament
9 714 2019-11-04 19/64 0% 3.85 EMA Aki Shanten 2019
10 952 2019-05-04 5/84 0% 4.20 EMA Haru Shanten 2019
11 345 2019-01-05 37/56 0% 3.00 EMA Snow Dragon
12 385 2018-11-18 57/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
13 217 2018-08-12 19/24 0% 2.20 RR Siberian riichi
14 677 2018-01-05 11/32 0% 2.20 RR Russian riichi championship by JPML-B rules
15 1000 2017-01-05 1/36 0% 2.50 RR Quick discard 2017
16 452 2016-05-03 18/32 0% 2.40 RR Siberia Cup 2016
17 326 2016-01-05 30/44 0% 1.90 RR Eighth winter tournament
18 857 2015-01-07 6/36 0% 1.70 RR Seventh winter tournament
19 609 2014-01-06 10/24 0% 1.40 RR Furiten tournament 2014