Goncharenko Alexandr
From Novosibirsk, Russia
EMA: 15020094
Common russian riichi rating (CRR)
Rating date Aug. 4, 2024 (latest changes Aug. 4, 2024).
5 place (764.69).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.75 * 0.86) = 15.464125
p1 = (448.28 * 3.75 * 0.86 + 794.39 * 4 * 1 + 733.33 * 1.60 * 1 + 906.54 * 4.60 * 1 + 957.45 * 2.80 * 1 + 582.28 * 3.65 * 1) / (3.75 * 0.86 + 4 * 1 + 1.60 * 1 + 4.60 * 1 + 2.80 * 1 + 3.65 * 1) = 743.449308741261
p2 = (906.54 * 4.60 * 1 + 794.39 * 4 * 1 + 957.45 * 2.80 * 1 + 582.28 * 3.65 * 1) / max_coefficients = 785.9371286768569
score = 743.449308741261 * 0.5 + 785.9371286768569 * 0.5 = 764.693218709059
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-08-04 | 3 -> 5 | 775.67 -> 764.69 |
Riichi over Volga: 0% -> 100% |
| 2024-07-14 | 15 -> 3 | 680.65 -> 775.67 |
Guardian of the Winds: 0% -> 100% |
| 2024-06-11 | 16 -> 15 | 672.44 -> 680.65 |
Money can not buy tenpai: 100% -> 86% |
| 2024-06-09 | 15 -> 16 | 672.44 | |
| 2024-05-25 | 14 -> 15 | 672.44 | |
| 2024-05-12 | 43 -> 14 | 485.87 -> 672.44 |
X Russian Championship: 0% -> 100% |
| 2024-05-06 | 44 -> 43 | 485.87 | |
| 2024-05-05 | 69 -> 44 | 403.30 -> 485.87 |
Akademgorodok: Riichi Mahjong Tournament 2024: 0% -> 100% |
| 2024-04-12 | 70 -> 69 | 403.30 | |
| 2024-03-30 | 67 -> 70 | 403.30 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 582 |
|
34/80 | 100% | 3.65 | RR | Riichi over Volga |
| 2 | 957 |
|
3/48 | 100% | 2.80 | RR | Guardian of the Winds |
| 3 | 907 |
|
11/108 | 100% | 4.60 | RR | X Russian Championship |
| 4 | 733 |
|
5/16 | 100% | 1.60 | CRR | Akademgorodok: Riichi Mahjong Tournament 2024 |
| 5 | 794 |
|
23/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 6 | 448 |
|
49/88 | 86% | 3.75 | RR | Money can not buy tenpai |
| 7 | 75 |
|
63/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 8 | 368 |
|
13/20 | 0% | 2.10 | EMA | Snow Dragon Tournament |
| 9 | 714 |
|
19/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 10 | 952 |
|
5/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 11 | 345 |
|
37/56 | 0% | 3.00 | EMA | Snow Dragon |
| 12 | 385 |
|
57/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
| 13 | 1000 |
|
1/20 | 0% | 1.30 | CRR | Awakening of the rising sun dragon |
| 14 | 217 |
|
19/24 | 0% | 2.20 | RR | Siberian riichi |
| 15 | 677 |
|
11/32 | 0% | 2.20 | RR | Russian riichi championship by JPML-B rules |
| 16 | 1000 |
|
1/36 | 0% | 2.50 | RR | Quick discard 2017 |
| 17 | 452 |
|
18/32 | 0% | 2.40 | RR | Siberia Cup 2016 |
| 18 | 326 |
|
30/44 | 0% | 1.90 | RR | Eighth winter tournament |
| 19 | 857 |
|
6/36 | 0% | 1.70 | RR | Seventh winter tournament |
| 20 | 609 |
|
10/24 | 0% | 1.40 | RR | Furiten tournament 2014 |