Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Common russian riichi rating (CRR)
Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).
118 place (401.54).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (686.27 * 3.05 * 0.57 + 156.86 * 3.05 * 0.71 + 726.32 * 3.85 * 0.86 + 337.08 * 3.75 * 1 + 274.51 * 3.05 * 1 + 333.33 * 2 * 1) / (3.05 * 0.57 + 3.05 * 0.71 + 3.85 * 0.86 + 3.75 * 1 + 3.05 * 1 + 2 * 1) = 418.34766640742714
p2 = (726.32 * 3.85 * 0.86 + 337.08 * 3.75 * 1 + 686.27 * 3.05 * 0.57 + 274.51 * 3.05 * 1) / max_coefficients = 384.73175675675674
score = 418.34766640742714 * 0.5 + 384.73175675675674 * 0.5 = 401.53971158209197
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2025-09-03 | 121 -> 118 | 396.75 -> 401.54 |
SPB Riichi Open 2023: 14% -> 0% |
2025-09-01 | 118 -> 121 | 409.93 -> 396.75 |
SPB Riichi Open 2024: 100% -> 86% |
2025-08-31 | 112 -> 118 | 409.93 | |
2025-08-22 | 113 -> 112 | 409.93 | |
2025-08-09 | 113 | 406.68 -> 409.93 |
Agari Summer Tournament 2024: 86% -> 71% |
2025-08-04 | 114 -> 113 | 404.72 -> 406.68 | |
2025-08-03 | 113 -> 114 | 404.72 | |
2025-07-26 | 112 -> 113 | 404.72 | |
2025-07-13 | 109 -> 112 | 404.72 | |
2025-07-12 | 110 -> 109 | 401.01 -> 404.72 |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
---|---|---|---|---|---|---|---|---|---|
1 | 333 |
|
11/16 | 100% | 2.00 | RR | Random not fault | Moscow | |
2 | 275 |
|
38/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
3 | 337 |
|
60/90 | 100% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
4 | 726 |
|
27/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
5 | 157 |
|
44/52 | 71% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
6 | 686 |
|
17/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
7 | 140 |
|
93/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
8 | 40 |
|
73/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
9 | 811 |
|
22/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
10 | 191 |
|
39/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
11 | 452 |
|
18/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
12 | 198 |
|
90/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
13 | 683 |
|
21/64 | 0% | 3.45 | EMA | White Dragon Tournament | Moscow | |
14 | 158 |
|
17/20 | 0% | 1.50 | CRR | Agari tournament. First stage | Moscow |