Ignateva Polina
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Sept. 3, 2025 (latest changes Sept. 3, 2025).
48 place (590.76).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (818.18 * 2.10 * 0.14 + 1000 * 2.30 * 0.29 + 435.90 * 2.90 * 0.29 + 370.37 * 2.30 * 0.43 + 745.10 * 3.05 * 0.57 + 710.28 * 4.60 * 0.71 + 838.71 * 1.80 * 0.71 + 784.31 * 3.05 * 0.71 + 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) / (2.10 * 0.14 + 2.30 * 0.29 + 2.90 * 0.29 + 2.30 * 0.43 + 3.05 * 0.57 + 4.60 * 0.71 + 1.80 * 0.71 + 3.05 * 0.71 + 3.85 * 0.86 + 2.60 * 1 + 3.25 * 1 + 1.90 * 1 + 3.50 * 1 + 4.10 * 1 + 3 * 1 + 3.45 * 1) = 513.5750084217328
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 = 513.5750084217328 * 0.5 + 667.9452702702703 * 0.5 = 590.7601393460016
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 50 -> 48 | 589.17 -> 590.76 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 53 -> 50 | 579.50 -> 589.17 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 55 -> 53 | 562.92 -> 579.50 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-25 | 55 | 562.28 -> 562.92 |
Chasing Kan: 57% -> 43% |
| 2025-08-22 | 55 | 563.65 -> 562.28 |
Mushroom League: 29% -> 14% |
| 2025-08-09 | 53 -> 55 | 576.62 -> 563.65 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 54 -> 53 | 573.47 -> 576.62 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 48 -> 54 | 584.19 -> 573.47 |
Two roosters and Chuckles: 0% -> 100% |
| 2025-07-30 | 49 -> 48 | 584.19 | |
| 2025-07-26 | 49 | 583.59 -> 584.19 |
Autumn Agari tournament: 43% -> 29% |
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 | 839 |
|
6/32 | 71% | 1.80 | CRR | "Green Dragon" in the Secret Chamber | Korolyov | |
| 13 | 710 |
|
32/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 14 | 745 |
|
14/52 | 57% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 15 | 370 |
|
18/28 | 43% | 2.30 | CRR | Chasing Kan | Yekaterinburg | |
| 16 | 436 |
|
23/40 | 29% | 2.90 | CRR | Autumn Agari tournament | Moscow | |
| 17 | 1000 |
|
🥇 | 1/28 | 29% | 2.30 | CRR | Finding Dora | Yekaterinburg |
| 18 | 818 |
|
5/23 | 14% | 2.10 | CRR | Mushroom League | Moscow | |
| 19 | 308 |
|
75/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 20 | 299 |
|
62/88 | 0% | 3.75 | RR | Money can not buy tenpai | Perm | |
| 21 | 733 |
|
21/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 22 | 205 |
|
32/40 | 0% | 1.80 | CRR | Sun tournament | Saint Petersburg | |
| 23 | 793 |
|
24/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 24 | 269 |
|
50/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 25 | 234 |
|
37/48 | 0% | 3.10 | RR | Agari team tournament | Moscow |