Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Common russian riichi rating (CRR)
Rating date June 2, 2024 (latest changes May 25, 2024).
123 place (256.93).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
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 = 207.4766233766234
score = 306.37466301462337 * 0.5 + 207.4766233766234 * 0.5 = 256.92564319562337
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-25 | 122 -> 123 | 256.93 | |
| 2024-05-19 | 120 -> 122 | 256.93 | |
| 2024-05-12 | 99 -> 120 | 269.80 -> 256.93 | |
| 2024-05-06 | 104 -> 99 | 263.43 -> 269.80 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-05-05 | 103 -> 104 | 263.43 | |
| 2024-04-25 | 104 -> 103 | 263.43 | |
| 2024-04-22 | 105 -> 104 | 263.43 | |
| 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 |
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 |