Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Internal rating (RR)
Rating date Feb. 12, 2024 (latest changes Feb. 12, 2024).
95 place (147.68).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.29) = 11.907145000000002
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 = 135.9629029460882
score = 159.38829267476243 * 0.5 + 135.9629029460882 * 0.5 = 147.6755978104253
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-02-12 | 88 -> 95 | 180.87 -> 147.68 |
Moscow Riichi 2022: 43% -> 29% |
| 2024-01-20 | 90 -> 88 | 180.87 | |
| 2024-01-06 | 93 -> 90 | 173.87 -> 180.87 |
IX Russian Riichi Championship: 86% -> 71% |
| 2023-12-19 | 96 -> 93 | 185.86 -> 173.87 |
Agari team tournament: 14% -> 0% |
| 2023-12-12 | 93 -> 96 | 214.92 -> 185.86 |
Moscow Riichi 2022: 57% -> 43% |
| 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% |
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 |