Chichigina Natalya
From Odintsovo, Russia
EMA: 15990021
Common russian riichi rating (CRR)
Rating date Nov. 27, 2025 (latest changes Nov. 26, 2025).
119 place (382.13).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (627.45 * 3.05 * 0.29 + 627.45 * 3.05 * 0.57 + 400 * 3.85 * 0.71 + 549.02 * 3.05 * 1 + 0) / (3.05 * 0.29 + 3.05 * 0.57 + 3.85 * 0.71 + 3.05 * 1 + 1) = 468.9485363084103
p2 = (549.02 * 3.05 * 1 + 400 * 3.85 * 0.71 + 627.45 * 3.05 * 0.57 + 627.45 * 3.05 * 0.29) / max_coefficients = 295.3030100334448
score = 468.9485363084103 * 0.5 + 295.3030100334448 * 0.5 = 382.1257731709276
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-22 | 118 -> 119 | 382.13 | |
| 2025-11-15 | 119 -> 118 | 382.13 | |
| 2025-11-12 | 120 -> 119 | 382.13 | |
| 2025-11-10 | 117 -> 120 | 394.78 -> 382.13 |
Agari Spring Tournament 2024: 43% -> 29% |
| 2025-11-04 | 112 -> 117 | 401.91 -> 394.78 | |
| 2025-11-01 | 112 | 406.99 -> 401.91 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-13 | 112 | 401.79 -> 406.99 | |
| 2025-10-09 | 112 | 414.16 -> 401.79 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-09-30 | 111 -> 112 | 414.16 | |
| 2025-09-25 | 110 -> 111 | 414.16 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 549 |
|
24/52 | 100% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 2 | 400 |
|
58/96 | 71% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 3 | 627 |
|
20/52 | 57% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 4 | 627 |
|
20/52 | 29% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 5 | 187 |
|
88/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 6 | 333 |
|
51/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 7 | 108 |
|
100/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 8 | 64 |
|
45/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
| 9 | 32 |
|
31/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 10 | 81 |
|
103/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 11 | 317 |
|
44/64 | 0% | 3.45 | EMA | White Dragon Tournament | Moscow | |
| 12 | 0 |
|
24/24 | 0% | 2.73 | RR | Winner tournament. Agari season event | Moscow | |
| 13 | 895 |
|
🥉 | 3/20 | 0% | 1.50 | CRR | Agari tournament. First stage | Moscow |