Goncharenko Alexandr

From Tyumen, Russia

EMA: 15020094

Player page

Internal rating (RR)

Rating date March 26, 2025 (latest changes March 10, 2025).

12 place (717.89).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (448.28 * 3.75 * 0.29 + 794.39 * 4 * 0.43 + 906.54 * 4.60 * 1 + 957.45 * 2.80 * 1 + 582.28 * 3.65 * 1 + 610.53 * 3.85 * 1 + 548.39 * 2.40 * 1) / (3.75 * 0.29 + 4 * 0.43 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1 + 2.40 * 1) = 721.1621159751119

p2 = (906.54 * 4.60 * 1 + 957.45 * 2.80 * 1 + 610.53 * 3.85 * 1 + 582.28 * 3.65 * 1) / max_coefficients = 714.623974763407

score = 721.1621159751119 * 0.5 + 714.623974763407 * 0.5 = 717.8930453692594

Rating changes

Show

all results
Date Place Points Reason
2025-03-03 12 718.91 -> 717.89

SPB Riichi Open 2023: 57% -> 43%
2025-03-02 11 -> 12 730.39 -> 718.91

Riichi Maslenitsa (shrovetide): 0% -> 100%
2025-02-16 10 -> 11 730.39
2025-02-11 10 726.15 -> 730.39

Money can not buy tenpai: 43% -> 29%
2025-02-02 9 -> 10 726.15
2025-01-26 8 -> 9 726.15
2025-01-07 9 -> 8 726.15
2025-01-03 7 -> 9 731.54 -> 726.15

SPB Riichi Open 2023: 71% -> 57%
2024-12-11 9 -> 7 727.62 -> 731.54

Money can not buy tenpai: 57% -> 43%
2024-11-03 8 -> 9 742.82 -> 727.62

SPB Riichi Open 2023: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 548 2025-03-02 15/32 100% 2.40 RR Riichi Maslenitsa (shrovetide)
2 611 2024-09-01 38/96 100% 3.85 RR SPB Riichi Open 2024
3 582 2024-08-04 34/80 100% 3.65 RR Riichi over Volga
4 957 2024-07-14 3/48 100% 2.80 RR Guardian of the Winds
5 907 2024-05-12 11/108 100% 4.60 RR X Russian Championship
6 794 2023-09-03 23/108 43% 4.00 RR SPB Riichi Open 2023
7 448 2023-06-11 49/88 29% 3.75 RR Money can not buy tenpai
8 75 2022-03-20 63/68 0% 3.50 RR Tenpai can't buy happiness
9 368 2020-01-05 13/20 0% 2.10 EMA Snow Dragon Tournament
10 714 2019-11-04 19/64 0% 3.85 EMA Aki Shanten 2019
11 952 2019-05-04 5/84 0% 4.20 EMA Haru Shanten 2019
12 345 2019-01-05 37/56 0% 3.00 EMA Snow Dragon
13 385 2018-11-18 57/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten"
14 217 2018-08-12 19/24 0% 2.20 RR Siberian riichi
15 677 2018-01-05 11/32 0% 2.20 RR Russian riichi championship by JPML-B rules
16 1000 2017-01-05 1/36 0% 2.50 RR Quick discard 2017
17 452 2016-05-03 18/32 0% 2.40 RR Siberia Cup 2016
18 326 2016-01-05 30/44 0% 1.90 RR Eighth winter tournament
19 857 2015-01-07 6/36 0% 1.70 RR Seventh winter tournament
20 609 2014-01-06 10/24 0% 1.40 RR Furiten tournament 2014