Kupriyanov Maksim
From Arkhangelsk, Russia
EMA: 15990363
Common russian riichi rating (CRR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
131 place (173.28).
how we calculated rating score
max_coefficients = (4.05 * 0.86 + 2.90 * 1 + 3.85 * 0.71 + 3.45 * 0.71) = 11.585645
p1 = (818.18 * 2.20 * 0.14 + 636.36 * 2.50 * 0.57 + 0 + 0 + 0) / (2.20 * 0.14 + 2.50 * 0.57 + 1 + 1 + 1) = 245.8991161488378
p2 = (636.36 * 2.50 * 0.57 + 818.18 * 2.20 * 0.14) / max_coefficients = 100.66509029061395
score = 245.8991161488378 * 0.5 + 100.66509029061395 * 0.5 = 173.28210321972588
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-02-01 | 129 -> 131 | 355.08 -> 173.28 | |
| 2020-02-01 | 129 | 355.08 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 636 |
|
5/12 | 57% | 2.50 | CRR | Reversed Chun |
| 2 | 818 |
|
3/12 | 14% | 2.20 | CRR | Spring Tournament |
| 3 | 0 |
|
16/16 | 0% | 2.30 | RR | Arkhangelsk Championship |
| 4 | 290 |
|
23/32 | 0% | 2.70 | EMA | Tsukimi 2018 |
| 5 | 200 |
|
13/16 | 0% | 1.40 | CRR | Winter riichi tournament |
| 6 | 467 |
|
9/16 | 0% | 1.60 | RR | Arkhangelsk riichi mahjong championship 2017 |
| 7 | 933 |
|
2/16 | 0% | 1.60 | RR | Arkhangelsk riichi mahjong tournament 2016 |
| 8 | 867 |
|
3/16 | 0% | 1.60 | RR | Arkhangelsk riichi mahjong championship |