Goncharenko Alexandr

From Tyumen, Russia

EMA: 15020094

Player page

Internal rating (RR)

Rating date March 26, 2026 (latest changes March 26, 2026).

87 place (440.86).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (906.54 * 4.60 * 0.14 + 957.45 * 2.80 * 0.29 + 582.28 * 3.65 * 0.43 + 610.53 * 3.85 * 0.43 + 548.39 * 2.40 * 0.86 + 457.14 * 2.50 * 1) / (4.60 * 0.14 + 2.80 * 0.29 + 3.65 * 0.43 + 3.85 * 0.43 + 2.40 * 0.86 + 2.50 * 1) = 601.4937955366004

p2 = (457.14 * 2.50 * 1 + 548.39 * 2.40 * 0.86 + 610.53 * 3.85 * 0.43 + 582.28 * 3.65 * 0.43) / max_coefficients = 280.2180602006689

score = 601.4937955366004 * 0.5 + 280.2180602006689 * 0.5 = 440.85592786863464

Rating changes

Show

all results
Date Place Points Reason
2026-03-14 87 456.21 -> 440.86

Guardian of the Winds: 43% -> 29%
2026-03-12 83 -> 87 471.64 -> 456.21

X Russian Championship: 29% -> 14%
2026-03-02 79 -> 83 476.53 -> 471.64

Riichi Maslenitsa (shrovetide): 100% -> 86%
2026-03-01 79 482.70 -> 476.53

SPB Riichi Open 2024: 57% -> 43%
2026-02-23 74 -> 79 482.70
2026-02-16 73 -> 74 482.70
2026-02-13 76 -> 73 482.70
2026-02-08 65 -> 76 507.74 -> 482.70

One tsumo until spring: 0% -> 100%
2026-02-04 65 507.13 -> 507.74

Riichi over Volga: 57% -> 43%
2026-01-30 66 -> 65 507.13

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 457 2026-02-08 20/36 100% 2.50 RR One tsumo until spring Yekaterinburg
2 548 2025-03-02 15/32 86% 2.40 RR Riichi Maslenitsa (shrovetide) Yekaterinburg
3 611 2024-09-01 38/96 43% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 582 2024-08-04 34/80 43% 3.65 RR Riichi over Volga Samara
5 957 2024-07-14 🥉 3/48 29% 2.80 RR Guardian of the Winds Yekaterinburg
6 907 2024-05-12 11/108 14% 4.60 RR X Russian Championship Perm
7 794 2023-09-03 23/108 0% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
8 448 2023-06-11 49/88 0% 3.75 RR Money can not buy tenpai Perm
9 61 2022-03-20 63/67 0% 3.45 RR Tenpai can't buy happiness Perm
10 368 2020-01-05 13/20 0% 2.10 EMA Snow Dragon Tournament Novosibirsk
11 714 2019-11-04 19/64 0% 3.85 EMA Aki Shanten 2019 Perm
12 952 2019-05-04 5/84 0% 4.20 EMA Haru Shanten 2019 Perm
13 345 2019-01-05 37/56 0% 3.00 EMA Snow Dragon Novosibirsk
14 385 2018-11-18 57/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
15 217 2018-08-12 19/24 0% 2.20 RR Siberian riichi Novosibirsk
16 677 2018-01-05 11/32 0% 2.20 RR Russian riichi championship by JPML-B rules Novosibirsk
17 1000 2017-01-05 🥇 1/36 0% 2.50 RR Quick discard 2017 Novosibirsk
18 452 2016-05-03 18/32 0% 2.40 RR Siberia Cup 2016 Novosibirsk
19 326 2016-01-05 30/44 0% 1.90 RR Eighth winter tournament Novosibirsk
20 857 2015-01-07 6/36 0% 1.70 RR Seventh winter tournament Novosibirsk
21 609 2014-01-06 10/24 0% 1.40 RR Furiten tournament 2014 Novosibirsk