Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Common russian riichi rating (CRR)
Rating date April 20, 2024 (latest changes April 20, 2024).
105 place (263.43).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 2.90 * 1) = 13.700000000000001
p1 = (810.81 * 4.05 * 0.14 + 40 * 4.20 * 0.57 + 140.19 * 4 * 1 + 686.27 * 3.05 * 1 + 0) / (4.05 * 0.14 + 4.20 * 0.57 + 4 * 1 + 3.05 * 1 + 1) = 291.88951478538803
p2 = (686.27 * 3.05 * 1 + 140.19 * 4 * 1 + 810.81 * 4.05 * 0.14 + 40 * 4.20 * 0.57) / max_coefficients = 234.9737226277372
score = 291.88951478538803 * 0.5 + 234.9737226277372 * 0.5 = 263.43161870656263
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-04-12 | 98 -> 105 | 293.47 -> 263.43 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 96 -> 98 | 293.47 | |
| 2024-03-20 | 101 -> 96 | 293.47 | |
| 2024-03-10 | 156 -> 101 | 144.55 -> 293.47 |
Agari Spring Tournament 2024: 0% -> 100% |
| 2024-03-06 | 158 -> 156 | 139.00 -> 144.55 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-27 | 160 -> 158 | 139.00 | |
| 2024-02-25 | 156 -> 160 | 139.00 | |
| 2024-02-12 | 139 -> 156 | 173.74 -> 139.00 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 140 -> 139 | 173.74 | |
| 2024-01-09 | 141 -> 140 | 173.74 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 686 |
|
17/52 | 100% | 3.05 | RR | Agari Spring Tournament 2024 |
| 2 | 140 |
|
93/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 40 |
|
73/76 | 57% | 4.20 | RR | IX Russian Riichi Championship |
| 4 | 811 |
|
22/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
| 5 | 191 |
|
39/48 | 0% | 3.10 | RR | Agari team tournament |
| 6 | 452 |
|
18/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
| 7 | 198 |
|
90/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 8 | 683 |
|
21/64 | 0% | 3.45 | EMA | White Dragon Tournament |
| 9 | 158 |
|
17/20 | 0% | 1.50 | CRR | Agari tournament. First stage |