Kolpakov Denis
From Perm, Russia
EMA: 15020053
Common russian riichi rating (CRR)
Rating date July 28, 2023 (latest changes July 28, 2023).
49 place (428.61).
how we calculated rating score
max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.86 + 2.80 * 1) = 14.221255
p1 = (640 * 3.45 * 0.29 + 432.84 * 3.50 * 0.57 + 180.18 * 4.05 * 0.86 + 988.51 * 3.75 * 1 + 146.67 * 4.20 * 1) / (3.45 * 0.29 + 3.50 * 0.57 + 4.05 * 0.86 + 3.75 * 1 + 4.20 * 1) = 447.34438272984596
p2 = (988.51 * 3.75 * 1 + 432.84 * 3.50 * 0.57 + 640 * 3.45 * 0.29 + 180.18 * 4.05 * 0.86) / max_coefficients = 409.8660772203297
score = 447.34438272984596 * 0.5 + 409.8660772203297 * 0.5 = 428.6052299750878
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2023-07-28 | 42 -> 49 | 442.89 -> 428.61 |
Saint Petersburg Open 2021: 43% -> 29% |
| 2023-07-20 | 43 -> 42 | 450.16 -> 442.89 |
Tenpai can't buy happiness: 71% -> 57% |
| 2023-07-06 | 45 -> 43 | 450.16 | |
| 2023-07-03 | 46 -> 45 | 450.16 | |
| 2023-06-19 | 48 -> 46 | 450.16 | |
| 2023-06-12 | 47 -> 48 | 439.99 -> 450.16 |
Moscow Riichi 2022: 100% -> 86% |
| 2023-06-11 | 102 -> 47 | 252.04 -> 439.99 |
Money can not buy tenpai: 0% -> 100% |
| 2023-05-28 | 97 -> 102 | 270.59 -> 252.04 |
Saint Petersburg Open 2021: 57% -> 43% |
| 2023-05-20 | 94 -> 97 | 276.32 -> 270.59 |
Tenpai can't buy happiness: 86% -> 71% |
| 2023-05-06 | 95 -> 94 | 276.32 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 989 |
|
2/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 2 | 147 |
|
65/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
| 3 | 180 |
|
92/112 | 86% | 4.05 | RR | Moscow Riichi 2022 |
| 4 | 433 |
|
39/68 | 57% | 3.50 | RR | Tenpai can't buy happiness |
| 5 | 640 |
|
28/76 | 29% | 3.45 | RR | Saint Petersburg Open 2021 |
| 6 | 568 |
|
49/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 7 | 333 |
|
43/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 8 | 988 |
|
2/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 9 | 947 |
|
2/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
| 10 | 560 |
|
41/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
| 11 | 889 |
|
4/28 | 0% | 1.70 | RR | Natsu Shanten 2018 |
| 12 | 676 |
|
24/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
| 13 | 185 |
|
23/28 | 0% | 1.70 | RR | Fuyu Shanten |
| 14 | 324 |
|
49/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
| 15 | 548 |
|
15/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
| 16 | 548 |
|
15/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
| 17 | 444 |
|
16/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
| 18 | 579 |
|
9/20 | 0% | 1.70 | RR | Plitochka |
| 19 | 815 |
|
6/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 |
| 20 | 263 |
|
15/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 |
| 21 | 455 |
|
31/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |