Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Common russian riichi rating (CRR)
Rating date Sept. 5, 2023 (latest changes Sept. 5, 2023).
133 place (234.25).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915
p1 = (191.49 * 3.10 * 0.29 + 810.81 * 4.05 * 0.71 + 40 * 4.20 * 1 + 140.19 * 4 * 1 + 0) / (3.10 * 0.29 + 4.05 * 0.71 + 4.20 * 1 + 4 * 1 + 1) = 249.94712443613844
p2 = (810.81 * 4.05 * 0.71 + 140.19 * 4 * 1 + 191.49 * 3.10 * 0.29 + 40 * 4.20 * 1) / max_coefficients = 218.55275732563314
score = 249.94712443613844 * 0.5 + 218.55275732563314 * 0.5 = 234.2499408808858
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-09-05 | 134 -> 133 | 234.25 | |
2023-09-03 | 118 -> 134 | 232.79 -> 234.25 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-27 | 114 -> 118 | 232.79 | |
2023-08-26 | 111 -> 114 | 232.79 | |
2023-08-19 | 114 -> 111 | 234.25 -> 232.79 |
Agari team tournament: 43% -> 29% |
2023-08-12 | 103 -> 114 | 260.94 -> 234.25 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 106 -> 103 | 260.94 | |
2023-07-20 | 107 -> 106 | 260.94 | |
2023-07-06 | 108 -> 107 | 260.94 | |
2023-07-03 | 109 -> 108 | 260.94 |
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 | 100% | 4.20 | RR | IX Russian Riichi Championship |
3 | 811 |
|
22/112 | 71% | 4.05 | RR | Moscow Riichi 2022 |
4 | 191 |
|
39/48 | 29% | 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 |