Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Common russian riichi rating (CRR)
Rating date Feb. 17, 2024 (latest changes Feb. 17, 2024).
155 place (139.00).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (810.81 * 4.05 * 0.29 + 40 * 4.20 * 0.71 + 140.19 * 4 * 1 + 0 + 0) / (4.05 * 0.29 + 4.20 * 0.71 + 4 * 1 + 1 + 1) = 159.38829267476243
p2 = (810.81 * 4.05 * 0.29 + 140.19 * 4 * 1 + 40 * 4.20 * 0.71) / max_coefficients = 118.60240907365973
score = 159.38829267476243 * 0.5 + 118.60240907365973 * 0.5 = 138.99535087421108
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-02-12 | 138 -> 155 | 173.74 -> 139.00 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 139 -> 138 | 173.74 | |
| 2024-01-09 | 140 -> 139 | 173.74 | |
| 2024-01-06 | 144 -> 140 | 167.28 -> 173.74 |
IX Russian Riichi Championship: 86% -> 71% |
| 2024-01-05 | 146 -> 144 | 167.28 | |
| 2023-12-19 | 145 -> 146 | 179.00 -> 167.28 |
Agari team tournament: 14% -> 0% |
| 2023-12-12 | 135 -> 145 | 210.91 -> 179.00 |
Moscow Riichi 2022: 57% -> 43% |
| 2023-11-28 | 140 -> 135 | 210.91 | |
| 2023-11-26 | 137 -> 140 | 211.57 -> 210.91 | |
| 2023-11-20 | 139 -> 137 | 211.57 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 140 |
|
93/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 2 | 40 |
|
73/76 | 71% | 4.20 | RR | IX Russian Riichi Championship |
| 3 | 811 |
|
22/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |
| 4 | 191 |
|
39/48 | 0% | 3.10 | RR | Agari team tournament |
| 5 | 452 |
|
18/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
| 6 | 198 |
|
90/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 7 | 683 |
|
21/64 | 0% | 3.45 | EMA | White Dragon Tournament |
| 8 | 158 |
|
17/20 | 0% | 1.50 | CRR | Agari tournament. First stage |