Ignateva Polina
From Moscow, Russia
Internal rating (RR)
Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).
56 place (560.41).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (745.10 * 3.05 * 0.57 + 710.28 * 4.60 * 0.71 + 784.31 * 3.05 * 0.71 + 25.32 * 3.65 * 0.86 + 389.47 * 3.85 * 0.86 + 428.57 * 2.60 * 1 + 254.24 * 3.25 * 1 + 142.86 * 1.90 * 1 + 128.57 * 3.50 * 1 + 955.22 * 4.10 * 1 + 279.07 * 3 * 1 + 558.44 * 3.45 * 1) / (3.05 * 0.57 + 4.60 * 0.71 + 3.05 * 0.71 + 3.65 * 0.86 + 3.85 * 0.86 + 2.60 * 1 + 3.25 * 1 + 1.90 * 1 + 3.50 * 1 + 4.10 * 1 + 3 * 1 + 3.45 * 1) = 452.87235947427166
p2 = (955.22 * 4.10 * 1 + 710.28 * 4.60 * 0.71 + 558.44 * 3.45 * 1 + 784.31 * 3.05 * 0.71) / max_coefficients = 667.9452702702703
score = 452.87235947427166 * 0.5 + 667.9452702702703 * 0.5 = 560.408814872271
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 57 -> 56 | 559.26 -> 560.41 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 57 | 550.01 -> 559.26 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 57 | 530.29 -> 550.01 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-09 | 53 -> 57 | 543.78 -> 530.29 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 54 -> 53 | 539.63 -> 543.78 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 52 -> 54 | 547.59 -> 539.63 |
Two roosters and Chuckles: 0% -> 100% |
| 2025-07-14 | 53 -> 52 | 547.59 | |
| 2025-07-12 | 50 -> 53 | 559.20 -> 547.59 |
X Russian Championship: 86% -> 71% |
| 2025-07-10 | 49 -> 50 | 565.11 -> 559.20 |
Agari Spring Tournament 2024: 71% -> 57% |
| 2025-07-03 | 50 -> 49 | 563.71 -> 565.11 |
SPB Riichi Open 2023: 29% -> 14% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 558 |
|
35/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 279 |
|
32/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 3 | 955 |
|
4/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 4 | 129 |
|
62/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 5 | 143 |
|
31/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 6 | 254 |
|
45/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 7 | 429 |
|
25/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 8 | 0 |
|
32/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow | |
| 9 | 389 |
|
59/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 10 | 25 |
|
78/80 | 86% | 3.65 | RR | Riichi over Volga | Samara | |
| 11 | 784 |
|
12/52 | 71% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 12 | 710 |
|
32/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 13 | 745 |
|
14/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 14 | 308 |
|
75/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 15 | 299 |
|
62/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 16 | 733 |
|
21/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 17 | 793 |
|
24/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 18 | 269 |
|
50/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 19 | 234 |
|
37/48 | 0% | 3.10 | RR | Agari team tournament | Moscow |