Chichigin Andrey
From Odintsovo, Russia
EMA: 15990028
Internal rating (RR)
Rating date Feb. 28, 2026 (latest changes Feb. 23, 2026).
119 place (375.38).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (686.27 * 3.05 * 0.14 + 156.86 * 3.05 * 0.29 + 726.32 * 3.85 * 0.57 + 337.08 * 3.75 * 0.57 + 274.51 * 3.05 * 0.86 + 333.33 * 2 * 1 + 513.51 * 3.40 * 1) / (3.05 * 0.14 + 3.05 * 0.29 + 3.85 * 0.57 + 3.75 * 0.57 + 3.05 * 0.86 + 2 * 1 + 3.40 * 1) = 430.7749729673357
p2 = (513.51 * 3.40 * 1 + 726.32 * 3.85 * 0.57 + 337.08 * 3.75 * 0.57 + 274.51 * 3.05 * 0.86) / max_coefficients = 319.97658862876256
score = 430.7749729673357 * 0.5 + 319.97658862876256 * 0.5 = 375.37578079804916
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-02-23 | 132 -> 119 | 325.58 -> 375.38 |
White Wolf Cup 2026: 0% -> 100% |
| 2026-02-13 | 130 -> 132 | 329.97 -> 325.58 |
Moscow Riichi 2024: 71% -> 57% |
| 2026-02-09 | 132 -> 130 | 325.25 -> 329.97 |
Agari Summer Tournament 2024: 43% -> 29% |
| 2026-02-08 | 126 -> 132 | 325.25 | |
| 2026-02-04 | 127 -> 126 | 325.25 | |
| 2026-02-02 | 127 | 327.09 -> 325.25 |
Agari Winter Tournament 2025: 100% -> 86% |
| 2026-01-26 | 126 -> 127 | 327.09 | |
| 2026-01-25 | 124 -> 126 | 327.09 | |
| 2026-01-14 | 125 -> 124 | 327.09 | |
| 2026-01-12 | 127 -> 125 | 327.09 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 514 |
|
37/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 2 | 333 |
|
11/16 | 100% | 2.00 | RR | Random not fault | Moscow | |
| 3 | 275 |
|
38/52 | 86% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 4 | 337 |
|
60/90 | 57% | 3.75 | RR | Moscow Riichi 2024 | Moscow | |
| 5 | 726 |
|
27/96 | 57% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 6 | 157 |
|
44/52 | 29% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 7 | 686 |
|
17/52 | 14% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 8 | 140 |
|
93/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 9 | 40 |
|
73/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 10 | 811 |
|
22/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 11 | 191 |
|
39/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
| 12 | 452 |
|
18/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 13 | 198 |
|
90/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 14 | 683 |
|
21/64 | 0% | 3.45 | EMA | White Dragon Tournament | Moscow |