Ignateva Polina
From Moscow, Russia
Internal rating (RR)
Rating date Aug. 15, 2025 (latest changes Aug. 9, 2025).
57 place (530.29).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2
p1 = (308.41 * 4 * 0.14 + 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 * 1 + 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) / (4 * 0.14 + 3.05 * 0.57 + 4.60 * 0.71 + 3.05 * 0.71 + 3.65 * 0.86 + 3.85 * 1 + 2.60 * 1 + 3.25 * 1 + 1.90 * 1 + 3.50 * 1 + 4.10 * 1 + 3 * 1) = 438.32365064013305
p2 = (955.22 * 4.10 * 1 + 710.28 * 4.60 * 0.71 + 784.31 * 3.05 * 0.71 + 389.47 * 3.85 * 1) / max_coefficients = 622.2657894736843
score = 438.32365064013305 * 0.5 + 622.2657894736843 * 0.5 = 530.2947200569087
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 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% |
| 2025-06-15 | 79 -> 50 | 458.08 -> 563.71 |
13 bloody tiles: 0% -> 100% |
| 2025-06-11 | 81 -> 79 | 457.21 -> 458.08 |
Money can not buy tenpai: 14% -> 0% |
| 2025-06-09 | 74 -> 81 | 471.42 -> 457.21 |
Agari Summer Tournament 2024: 100% -> 86% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 279 |
|
32/44 | 100% | 3.00 | RR | Two roosters and Chuckles | Kirov | |
| 2 | 955 |
|
4/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 3 | 129 |
|
62/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 4 | 143 |
|
31/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 5 | 254 |
|
45/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 6 | 429 |
|
25/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 7 | 0 |
|
32/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow | |
| 8 | 389 |
|
59/96 | 100% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 9 | 25 |
|
78/80 | 86% | 3.65 | RR | Riichi over Volga | Samara | |
| 10 | 784 |
|
12/52 | 71% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 11 | 710 |
|
32/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 12 | 745 |
|
14/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 13 | 308 |
|
75/108 | 14% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 14 | 299 |
|
62/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 15 | 733 |
|
21/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 16 | 793 |
|
24/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 17 | 269 |
|
50/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 18 | 234 |
|
37/48 | 0% | 3.10 | RR | Agari team tournament | Moscow |