Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Internal rating (RR)
Rating date Nov. 28, 2023 (latest changes Nov. 28, 2023).
93 place (214.92).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 4.05 * 0.57) = 13.663990000000002
p1 = (191.49 * 3.10 * 0.14 + 810.81 * 4.05 * 0.57 + 40 * 4.20 * 0.86 + 140.19 * 4 * 1 + 0) / (3.10 * 0.14 + 4.05 * 0.57 + 4.20 * 0.86 + 4 * 1 + 1) = 234.73846040056424
p2 = (810.81 * 4.05 * 0.57 + 140.19 * 4 * 1 + 40 * 4.20 * 0.86 + 191.49 * 3.10 * 0.14) / max_coefficients = 195.1055292048662
score = 234.73846040056424 * 0.5 + 195.1055292048662 * 0.5 = 214.92199480271523
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-11-28 | 100 -> 93 | 214.92 | |
2023-11-20 | 102 -> 100 | 214.92 | |
2023-11-06 | 106 -> 102 | 206.77 -> 214.92 |
IX Russian Riichi Championship: 100% -> 86% |
2023-10-19 | 106 | 209.15 -> 206.77 |
Agari team tournament: 29% -> 14% |
2023-10-12 | 104 -> 106 | 234.25 -> 209.15 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-20 | 105 -> 104 | 234.25 | |
2023-09-06 | 106 -> 105 | 234.25 | |
2023-09-03 | 89 -> 106 | 238.91 -> 234.25 |
SPB Riichi Open 2023: 0% -> 100% |
2023-09-01 | 113 -> 89 | 173.43 -> 238.91 | |
2021-02-01 | 143 -> 113 | 302.47 -> 173.43 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
---|---|---|---|---|---|---|---|---|---|
1 | 140 |
|
93/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
2 | 40 |
|
73/76 | 86% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
3 | 811 |
|
22/112 | 57% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
4 | 191 |
|
39/48 | 14% | 3.10 | RR | Agari team tournament | Moscow | |
5 | 452 |
|
18/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
6 | 198 |
|
90/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
7 | 683 |
|
21/64 | 0% | 3.45 | EMA | White Dragon Tournament | Moscow |