Goncharenko Alexandr

From Tyumen, Russia

EMA: 15020094

Player page

Internal rating (RR)

Rating date Oct. 13, 2025 (latest changes Oct. 13, 2025).

36 place (626.39).

max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.85 * 0.86) = 14.349835

p1 = (906.54 * 4.60 * 0.57 + 957.45 * 2.80 * 0.71 + 582.28 * 3.65 * 0.71 + 610.53 * 3.85 * 0.86 + 548.39 * 2.40 * 1) / (4.60 * 0.57 + 2.80 * 0.71 + 3.65 * 0.71 + 3.85 * 0.86 + 2.40 * 1) = 707.0923372947801

p2 = (906.54 * 4.60 * 0.57 + 610.53 * 3.85 * 0.86 + 957.45 * 2.80 * 0.71 + 582.28 * 3.65 * 0.71) / max_coefficients = 545.6836263274107

score = 707.0923372947801 * 0.5 + 545.6836263274107 * 0.5 = 626.3879818110954

Rating changes

Show

all results
Date Place Points Reason
2025-10-13 36 618.09 -> 626.39
2025-10-09 38 -> 36 618.09
2025-10-04 37 -> 38 625.93 -> 618.09

Riichi over Volga: 86% -> 71%
2025-09-14 32 -> 37 642.54 -> 625.93

Guardian of the Winds: 86% -> 71%
2025-09-12 29 -> 32 667.13 -> 642.54

X Russian Championship: 71% -> 57%
2025-09-10 30 -> 29 667.13
2025-09-03 30 668.57 -> 667.13

SPB Riichi Open 2023: 14% -> 0%
2025-09-01 28 -> 30 669.57 -> 668.57

SPB Riichi Open 2024: 100% -> 86%
2025-08-31 27 -> 28 669.57
2025-08-09 28 -> 27 669.57

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 86% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
3 582 2024-08-04 34/80 71% 3.65 RR Riichi over Volga Samara
4 957 2024-07-14 🥉 3/48 71% 2.80 RR Guardian of the Winds Yekaterinburg
5 907 2024-05-12 11/108 57% 4.60 RR X Russian Championship Perm
6 794 2023-09-03 23/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
7 448 2023-06-11 49/88 0% 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