Kolpakov Denis
From Perm, Russia
EMA: 15020053
Common russian riichi rating (CRR)
Rating date April 27, 2024 (latest changes April 27, 2024).
40 place (503.94).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (180.18 * 4.05 * 0.14 + 146.67 * 4.20 * 0.57 + 988.51 * 3.75 * 1 + 551.40 * 4 * 1 + 0) / (4.05 * 0.14 + 4.20 * 0.57 + 3.75 * 1 + 4 * 1 + 1) = 543.0107962357054
p2 = (988.51 * 3.75 * 1 + 551.40 * 4 * 1 + 146.67 * 4.20 * 0.57 + 180.18 * 4.05 * 0.14) / max_coefficients = 464.87372262773715
score = 543.0107962357054 * 0.5 + 464.87372262773715 * 0.5 = 503.94225943172125
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-20 | 41 -> 40 | 503.94 | |
| 2024-04-12 | 43 -> 41 | 499.22 -> 503.94 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 40 -> 43 | 499.22 | |
| 2024-03-20 | 39 -> 40 | 519.81 -> 499.22 |
Tenpai can't buy happiness: 14% -> 0% |
| 2024-03-10 | 33 -> 39 | 531.60 -> 519.81 | |
| 2024-03-06 | 35 -> 33 | 513.75 -> 531.60 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-25 | 30 -> 35 | 513.75 | |
| 2024-02-12 | 31 -> 30 | 509.12 -> 513.75 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 31 | 511.71 -> 509.12 |
Tenpai can't buy happiness: 29% -> 14% |
| 2024-01-06 | 33 -> 31 | 496.26 -> 511.71 |
IX Russian Riichi Championship: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 551 |
|
49/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 989 |
|
2/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 3 | 147 |
|
65/76 | 57% | 4.20 | RR | IX Russian Riichi Championship |
| 4 | 180 |
|
92/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 433 |
|
39/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 6 | 640 |
|
28/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 7 | 568 |
|
49/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 8 | 333 |
|
43/64 | 0% | 3.85 | EMA | Aki Shanten 2019 |
| 9 | 988 |
|
2/84 | 0% | 4.20 | EMA | Haru Shanten 2019 |
| 10 | 947 |
|
2/20 | 0% | 2.10 | RR | Fuyu Shanten 2019 |
| 11 | 560 |
|
41/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" |
| 12 | 889 |
|
4/28 | 0% | 1.70 | RR | Natsu Shanten 2018 |
| 13 | 676 |
|
24/72 | 0% | 3.85 | EMA | Haru Shanten 2018 |
| 14 | 185 |
|
23/28 | 0% | 1.70 | RR | Fuyu Shanten |
| 15 | 324 |
|
49/72 | 0% | 3.25 | EMA | Perm Riichi 2017 Aki Shanten |
| 16 | 548 |
|
15/32 | 0% | 1.60 | RR | "Summer shanten" tournament, Perm 2017 |
| 17 | 548 |
|
15/32 | 0% | 2.20 | RR | Second riichi mahjong tournament, Chelyabinsk 2017 |
| 18 | 444 |
|
16/28 | 0% | 1.50 | RR | "Spring shanten" tournament, Perm 2017 |
| 19 | 579 |
|
9/20 | 0% | 1.70 | RR | Plitochka |
| 20 | 815 |
|
6/28 | 0% | 1.90 | RR | 2 winter riichi mahjong tournament 2015 |
| 21 | 263 |
|
15/20 | 0% | 1.30 | RR | Autumn riichi mahjong tournament 2014 |
| 22 | 455 |
|
31/56 | 0% | 3.00 | RR | "Japanese House" riichi mahjong cup 2013 |