Goncharenko Alexandr

From Tyumen, Russia

EMA: 15020094

Player page

Common russian riichi rating (CRR)

Rating date Aug. 4, 2025 (latest changes Aug. 4, 2025).

20 place (693.20).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (794.39 * 4 * 0.14 + 733.33 * 1.60 * 0.71 + 906.54 * 4.60 * 0.71 + 957.45 * 2.80 * 0.86 + 582.28 * 3.65 * 0.86 + 610.53 * 3.85 * 1 + 956.52 * 2.20 * 1 + 548.39 * 2.40 * 1) / (4 * 0.14 + 1.60 * 0.71 + 4.60 * 0.71 + 2.80 * 0.86 + 3.65 * 0.86 + 3.85 * 1 + 2.20 * 1 + 2.40 * 1) = 746.1716658618111

p2 = (906.54 * 4.60 * 0.71 + 610.53 * 3.85 * 1 + 957.45 * 2.80 * 0.86 + 956.52 * 2.20 * 1) / max_coefficients = 640.2197368421052

score = 746.1716658618111 * 0.5 + 640.2197368421052 * 0.5 = 693.1957013519582

Rating changes

Show

all results
Date Place Points Reason
2025-08-04 24 -> 20 688.56 -> 693.20

Riichi over Volga: 100% -> 86%
2025-08-03 22 -> 24 688.56
2025-07-14 19 -> 22 703.21 -> 688.56

Guardian of the Winds: 100% -> 86%
2025-07-12 15 -> 19 718.63 -> 703.21

X Russian Championship: 86% -> 71%
2025-07-10 16 -> 15 718.63
2025-07-05 16 718.53 -> 718.63

Akademgorodok: Riichi Mahjong Tournament 2024: 86% -> 71%
2025-07-03 17 -> 16 719.11 -> 718.53

SPB Riichi Open 2023: 29% -> 14%
2025-06-15 13 -> 17 729.27 -> 719.11
2025-06-11 14 -> 13 725.55 -> 729.27

Money can not buy tenpai: 14% -> 0%
2025-05-12 13 -> 14 732.06 -> 725.55

X Russian Championship: 100% -> 86%

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
2 957 2024-09-15 🥈 2/24 100% 2.20 CRR Tails, money, two renchans Tyumen
3 611 2024-09-01 38/96 100% 3.85 RR SPB Riichi Open 2024 Saint Petersburg
4 582 2024-08-04 34/80 86% 3.65 RR Riichi over Volga Samara
5 957 2024-07-14 🥉 3/48 86% 2.80 RR Guardian of the Winds Yekaterinburg
6 907 2024-05-12 11/108 71% 4.60 RR X Russian Championship Perm
7 733 2024-05-05 5/16 71% 1.60 CRR Akademgorodok: Riichi Mahjong Tournament 2024 Novosibirsk
8 794 2023-09-03 23/108 14% 4.00 RR SPB Riichi Open 2023 Saint Petersburg
9 448 2023-06-11 49/88 0% 3.75 RR Money can not buy tenpai Perm
10 75 2022-03-20 63/68 0% 3.50 RR Tenpai can't buy happiness Perm
11 368 2020-01-05 13/20 0% 2.10 EMA Snow Dragon Tournament Novosibirsk
12 714 2019-11-04 19/64 0% 3.85 EMA Aki Shanten 2019 Perm
13 952 2019-05-04 5/84 0% 4.20 EMA Haru Shanten 2019 Perm
14 345 2019-01-05 37/56 0% 3.00 EMA Snow Dragon Novosibirsk
15 385 2018-11-18 57/92 0% 3.80 EMA VII Russian Riichi Championship "Aki Shanten" Perm
16 1000 2018-10-21 🥇 1/20 0% 1.30 CRR Awakening of the rising sun dragon Novosibirsk
17 217 2018-08-12 19/24 0% 2.20 RR Siberian riichi Novosibirsk
18 677 2018-01-05 11/32 0% 2.20 RR Russian riichi championship by JPML-B rules Novosibirsk
19 1000 2017-01-05 🥇 1/36 0% 2.50 RR Quick discard 2017 Novosibirsk
20 452 2016-05-03 18/32 0% 2.40 RR Siberia Cup 2016 Novosibirsk
21 326 2016-01-05 30/44 0% 1.90 RR Eighth winter tournament Novosibirsk
22 857 2015-01-07 6/36 0% 1.70 RR Seventh winter tournament Novosibirsk
23 609 2014-01-06 10/24 0% 1.40 RR Furiten tournament 2014 Novosibirsk