Chechin Vadim
From Nizhny Novgorod, Russia
EMA: 15990283
Common russian riichi rating (CRR)
Rating date Feb. 3, 2025 (latest changes Feb. 3, 2025).
91 place (430.77).
how we calculated rating score
max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85
p1 = (806.45 * 3.10 * 1 + 1000 * 2.60 * 1 + 137.25 * 3.05 * 1 + 0 + 0) / (3.10 * 1 + 2.60 * 1 + 3.05 * 1 + 1 + 1) = 513.3609302325582
p2 = (1000 * 2.60 * 1 + 806.45 * 3.10 * 1 + 137.25 * 3.05 * 1) / max_coefficients = 348.17854889589904
score = 513.3609302325582 * 0.5 + 348.17854889589904 * 0.5 = 430.76973956422864
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-02-02 | 79 -> 91 | 453.99 -> 430.77 |
Agari Winter Tournament 2025: 0% -> 100% |
| 2025-01-26 | 79 | 453.99 |
Riichi On Ice: 0% -> 100% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 137 |
|
45/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 |
| 2 | 1000 |
|
1/43 | 100% | 2.60 | RR | Riichi On Ice |
| 3 | 806 |
|
7/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon |
| 4 | 820 |
|
21/112 | 0% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 667 |
|
10/28 | 0% | 1.70 | CRR | Team tournament Agari. Season event |
| 6 | 762 |
|
16/64 | 0% | 3.45 | EMA | Moscow Riichi Open 2017 |
| 7 | 74 |
|
26/28 | 0% | 2.60 | RR | Moscow Riichi Half Marathon 2017 |
| 8 | 889 |
|
4/28 | 0% | 2.30 | EMA | Ivanovo Region Riichi 2017 |
| 9 | 257 |
|
27/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2017 |
| 10 | 414 |
|
52/88 | 0% | 3.45 | EMA | V Russian Riichi Championship 2016 |
| 11 | 919 |
|
9/100 | 0% | 3.40 | RR | "Japanese House" riichi mahjong cup 2016 |