Goncharenko Alexandr

From Tyumen, Russia

EMA: 15020094

Player page

Internal rating (RR)

Rating date April 16, 2025 (latest changes April 11, 2025).

11 place (721.63).

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

p1 = (448.28 * 3.75 * 0.14 + 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 * 0.14 + 4 * 0.43 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1 + 2.40 * 1) = 728.6368094566444

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 = 728.6368094566444 * 0.5 + 714.623974763407 * 0.5 = 721.6303921100257

Rating changes

Show

all results
Date Place Points Reason
2025-04-11 12 -> 11 717.89 -> 721.63

Money can not buy tenpai: 29% -> 14%
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%

Tournaments

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