Chichigina Natalya
From Odintsovo, Russia
EMA: 15990021
Internal rating (RR)
Rating date March 9, 2026 (latest changes March 7, 2026).
89 place (447.52).
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 * 0.14 + 627.45 * 3.05 * 0.29 + 400 * 3.85 * 0.43 + 549.02 * 3.05 * 0.86 + 648.65 * 3.40 * 1) / (3.05 * 0.14 + 3.05 * 0.29 + 3.85 * 0.43 + 3.05 * 0.86 + 3.40 * 1) = 570.7956143318365
p2 = (648.65 * 3.40 * 1 + 549.02 * 3.05 * 0.86 + 400 * 3.85 * 0.43 + 627.45 * 3.05 * 0.29) / max_coefficients = 324.24214046822743
score = 570.7956143318365 * 0.5 + 324.24214046822743 * 0.5 = 447.518877400032
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-03-01 | 91 -> 89 | 449.94 -> 447.52 |
SPB Riichi Open 2024: 57% -> 43% |
| 2026-02-23 | 133 -> 91 | 325.01 -> 449.94 |
White Wolf Cup 2026: 0% -> 100% |
| 2026-02-13 | 132 -> 133 | 325.01 | |
| 2026-02-09 | 128 -> 132 | 339.55 -> 325.01 |
Agari Summer Tournament 2024: 43% -> 29% |
| 2026-02-08 | 122 -> 128 | 339.55 | |
| 2026-02-04 | 124 -> 122 | 339.55 | |
| 2026-02-02 | 120 -> 124 | 350.22 -> 339.55 |
Agari Winter Tournament 2025: 100% -> 86% |
| 2026-01-26 | 121 -> 120 | 350.22 | |
| 2026-01-25 | 117 -> 121 | 350.22 | |
| 2026-01-14 | 118 -> 117 | 350.22 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 649 |
|
27/75 | 100% | 3.40 | RR | White Wolf Cup 2026 | Saint Petersburg | |
| 2 | 549 |
|
24/52 | 86% | 3.05 | RR | Agari Winter Tournament 2025 | Moscow | |
| 3 | 400 |
|
58/96 | 43% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 4 | 627 |
|
20/52 | 29% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 5 | 627 |
|
20/52 | 14% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 6 | 187 |
|
88/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 7 | 333 |
|
51/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 8 | 108 |
|
100/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 9 | 64 |
|
45/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
| 10 | 32 |
|
31/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 11 | 81 |
|
103/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 12 | 317 |
|
44/64 | 0% | 3.45 | EMA | White Dragon Tournament | Moscow | |
| 13 | 0 |
|
24/24 | 0% | 2.73 | RR | Winner tournament. Agari season event | Moscow |