Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Internal rating (RR)
Rating date Feb. 1, 2021 (latest changes Feb. 1, 2021).
114 place (173.43).
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 = (198.20 * 4.05 * 0.86 + 451.61 * 2.70 * 0.86 + 0 + 0 + 0) / (4.05 * 0.86 + 2.70 * 0.86 + 1 + 1 + 1) = 197.27104835565723
p2 = (451.61 * 2.70 * 0.86 + 198.20 * 4.05 * 0.86) / max_coefficients = 149.5911535352585
score = 197.27104835565723 * 0.5 + 149.5911535352585 * 0.5 = 173.43110094545787
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2021-02-01 | 144 -> 114 | 302.47 -> 173.43 | |
| 2020-02-01 | 144 | 302.47 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 452 |
|
18/32 | 86% | 2.70 | RR | The last chance: back to 2019 |
| 2 | 198 |
|
90/112 | 86% | 4.05 | EMA | VIII Russian Riichi Championship |
| 3 | 683 |
|
21/64 | 0% | 3.45 | EMA | White Dragon Tournament |