Goncharenko Alexandr
From Tyumen, Russia
EMA: 15020094
Common russian riichi rating (CRR)
Rating date Dec. 21, 2024 (latest changes Dec. 18, 2024).
9 place (741.65).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (448.28 * 3.75 * 0.43 + 733.33 * 1.60 * 1 + 906.54 * 4.60 * 1 + 794.39 * 4 * 0.71 + 957.45 * 2.80 * 1 + 582.28 * 3.65 * 1 + 610.53 * 3.85 * 1 + 956.52 * 2.20 * 1) / (3.75 * 0.43 + 1.60 * 1 + 4.60 * 1 + 4 * 0.71 + 2.80 * 1 + 3.65 * 1 + 3.85 * 1 + 2.20 * 1) = 759.5561301908745
p2 = (906.54 * 4.60 * 1 + 957.45 * 2.80 * 1 + 610.53 * 3.85 * 1 + 794.39 * 4 * 0.71) / max_coefficients = 723.7356466876972
score = 759.5561301908745 * 0.5 + 723.7356466876972 * 0.5 = 741.6458884392858
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-12-18 | 10 -> 9 | 741.65 | |
| 2024-12-11 | 10 | 738.13 -> 741.65 |
Money can not buy tenpai: 57% -> 43% |
| 2024-12-01 | 9 -> 10 | 738.13 | |
| 2024-11-03 | 9 | 752.94 -> 738.13 |
SPB Riichi Open 2023: 86% -> 71% |
| 2024-10-13 | 6 -> 9 | 760.73 -> 752.94 | |
| 2024-10-11 | 6 | 757.43 -> 760.73 |
Money can not buy tenpai: 71% -> 57% |
| 2024-09-15 | 8 -> 6 | 747.23 -> 757.43 |
Tails, money, two renchans: 0% -> 100% |
| 2024-09-03 | 7 -> 8 | 748.54 -> 747.23 |
SPB Riichi Open 2023: 100% -> 86% |
| 2024-09-01 | 4 -> 7 | 773.00 -> 748.54 |
SPB Riichi Open 2024: 0% -> 100% |
| 2024-08-11 | 5 -> 4 | 764.69 -> 773.00 |
Money can not buy tenpai: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 957 |
|
2/24 | 100% | 2.20 | CRR | Tails, money, two renchans |
| 2 | 611 |
|
38/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 |
| 3 | 582 |
|
34/80 | 100% | 3.65 | RR | Riichi over Volga |
| 4 | 957 |
|
3/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 5 | 907 |
|
11/108 | 100% | 4.60 | RR | X Russian Championship |
| 6 | 733 |
|
5/16 | 100% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 |
| 7 | 794 |
|
23/108 | 71% | 4.00 | RR | SPB Riichi Open 2023 |
| 8 | 448 |
|
49/88 | 43% | 3.75 | RR | Money can not buy tenpai |
| 9 | 75 |
|
63/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 10 | 368 |
|
13/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
| 11 | 714 |
|
19/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 12 | 952 |
|
5/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 13 | 345 |
|
37/56 | 0% | 3.00 | EMA | Snow Dragon |
| 14 | 385 |
|
57/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
| 15 | 1000 |
|
1/20 | 0% | 1.30 | CRR | Awakening of the rising sun dragon |
| 16 | 217 |
|
19/24 | 0% | 2.20 | RR | Siberian riichi |
| 17 | 677 |
|
11/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
| 18 | 1000 |
|
1/36 | 0% | 2.50 | RR | Quick discard 2017 |
| 19 | 452 |
|
18/32 | 0% | 2.40 | RR | Siberia Cup 2016 |
| 20 | 326 |
|
30/44 | 0% | 1.90 | RR | Eighth winter tournament |
| 21 | 857 |
|
6/36 | 0% | 1.70 | RR | Seventh winter tournament |
| 22 | 609 |
|
10/24 | 0% | 1.40 | RR | Furiten tournament 2014 |