Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Common russian riichi rating (CRR)
Rating date Sept. 5, 2026 (latest changes Sept. 4, 2026).
135 place (409.32).
how we calculated rating score
max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41
p1 = (337.08 * 3.75 * 0.14 + 274.51 * 3.05 * 0.43 + 333.33 * 2 * 0.71 + 513.51 * 3.40 * 1 + 814.81 * 2.45 * 1) / (3.75 * 0.14 + 3.05 * 0.43 + 2 * 0.71 + 3.40 * 1 + 2.45 * 1) = 521.6053358445598
p2 = (814.81 * 2.45 * 1 + 513.51 * 3.40 * 1 + 333.33 * 2 * 0.71 + 274.51 * 3.05 * 0.43) / max_coefficients = 297.0343932511356
score = 521.6053358445598 * 0.5 + 297.0343932511356 * 0.5 = 409.3198645478477
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-09-01 | 134 -> 135 | 416.46 -> 409.32 |
SPB Riichi Open 2024: 14% -> 0% |
| 2026-08-31 | 133 -> 134 | 415.98 -> 416.46 | |
| 2026-08-30 | 130 -> 133 | 415.98 | |
| 2026-08-16 | 126 -> 130 | 415.98 | |
| 2026-08-15 | 126 | 414.88 -> 415.98 | |
| 2026-08-13 | 131 -> 126 | 409.74 -> 414.88 |
Moscow Riichi 2024: 29% -> 14% |
| 2026-08-08 | 132 -> 131 | 410.22 -> 409.74 |
Random not fault: 86% -> 71% |
| 2026-08-04 | 133 -> 132 | 410.22 | |
| 2026-08-02 | 188 -> 133 | 312.32 -> 410.22 |
Ivanovo Babayka 2026: 0% -> 100% Agari Winter Tournament 2025: 57% -> 43% |
| 2026-07-25 | 186 -> 188 | 312.32 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 815 |
|
6/28 | 100% | 2.45 | RR | Ivanovo Babayka 2026 | Ivanovo | |
| 2 | 514 |
|
37/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 3 | 333 |
|
11/16 | 71% | 2.00 | RR | Random not fault | Moscow | |
| 4 | 275 |
|
38/52 | 43% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 5 | 337 |
|
60/90 | 14% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 6 | 726 |
|
27/96 | 0% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 7 | 157 |
|
44/52 | 0% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 8 | 686 |
|
17/52 | 0% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 9 | 140 |
|
93/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 10 | 40 |
|
73/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 11 | 811 |
|
22/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 12 | 191 |
|
39/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
| 13 | 452 |
|
18/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 14 | 198 |
|
90/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 15 | 683 |
|
21/64 | 0% | 3.45 | EMA | White Dragon Tournament | Moscow | |
| 16 | 158 |
|
17/20 | 0% | 1.50 | CRR | Agari tournament. First stage | Moscow |