Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Common russian riichi rating (CRR)
Rating date May 6, 2024 (latest changes May 6, 2024).
98 place (269.80).
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 * 0.43 + 140.19 * 4 * 1 + 686.27 * 3.05 * 1 + 0) / (4.05 * 0.14 + 4.20 * 0.43 + 4 * 1 + 3.05 * 1 + 1) = 306.37466301462337
p2 = (686.27 * 3.05 * 1 + 140.19 * 4 * 1 + 810.81 * 4.05 * 0.14 + 40 * 4.20 * 0.43) / max_coefficients = 233.22189781021896
score = 306.37466301462337 * 0.5 + 233.22189781021896 * 0.5 = 269.79828041242115
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-06 | 103 -> 98 | 263.43 -> 269.80 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-05-05 | 102 -> 103 | 263.43 | |
| 2024-04-25 | 103 -> 102 | 263.43 | |
| 2024-04-22 | 104 -> 103 | 263.43 | |
| 2024-04-12 | 97 -> 104 | 293.47 -> 263.43 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 95 -> 97 | 293.47 | |
| 2024-03-20 | 100 -> 95 | 293.47 | |
| 2024-03-10 | 155 -> 100 | 144.55 -> 293.47 |
Agari Spring Tournament 2024: 0% -> 100% |
| 2024-03-06 | 157 -> 155 | 139.00 -> 144.55 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-27 | 159 -> 157 | 139.00 |
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 | 43% | 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 |