Ignateva Polina
From Moscow, Russia
Common russian riichi rating (CRR)
Rating date Nov. 1, 2025 (latest changes Nov. 1, 2025).
53 place (566.90).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.50 * 1 + 3.45 * 1 + 3.25 * 1) = 14.3
p1 = (1000 * 2.30 * 0.14 + 435.90 * 2.90 * 0.14 + 370.37 * 2.30 * 0.29 + 745.10 * 3.05 * 0.43 + 710.28 * 4.60 * 0.57 + 838.71 * 1.80 * 0.57 + 784.31 * 3.05 * 0.57 + 25.32 * 3.65 * 0.71 + 389.47 * 3.85 * 0.71 + 428.57 * 2.60 * 1 + 254.24 * 3.25 * 1 + 142.86 * 1.90 * 1 + 955.22 * 4.10 * 1 + 279.07 * 3 * 1 + 558.44 * 3.45 * 1) / (2.30 * 0.14 + 2.90 * 0.14 + 2.30 * 0.29 + 3.05 * 0.43 + 4.60 * 0.57 + 1.80 * 0.57 + 3.05 * 0.57 + 3.65 * 0.71 + 3.85 * 0.71 + 2.60 * 1 + 3.25 * 1 + 1.90 * 1 + 4.10 * 1 + 3 * 1 + 3.45 * 1) = 499.06310208913123
p2 = (955.22 * 4.10 * 1 + 558.44 * 3.45 * 1 + 710.28 * 4.60 * 0.57 + 784.31 * 3.05 * 0.57) / max_coefficients = 634.7447552447552
score = 499.06310208913123 * 0.5 + 634.7447552447552 * 0.5 = 566.9039286669432
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-11-01 | 55 -> 53 | 564.87 -> 566.90 |
SPB Riichi Open 2024: 86% -> 71% |
| 2025-10-25 | 55 | 564.23 -> 564.87 |
Chasing Kan: 43% -> 29% |
| 2025-10-22 | 55 | 565.70 -> 564.23 |
Mushroom League: 14% -> 0% |
| 2025-10-13 | 56 -> 55 | 556.08 -> 565.70 | |
| 2025-10-09 | 51 -> 56 | 569.49 -> 556.08 |
Agari Summer Tournament 2024: 71% -> 57% |
| 2025-10-04 | 52 -> 51 | 568.55 -> 569.49 |
Riichi over Volga: 86% -> 71% |
| 2025-09-26 | 51 -> 52 | 568.16 -> 568.55 |
Autumn Agari tournament: 29% -> 14% |
| 2025-09-19 | 51 | 569.41 -> 568.16 |
"Green Dragon" in the Secret Chamber: 71% -> 57% |
| 2025-09-15 | 52 -> 51 | 569.41 | |
| 2025-09-14 | 54 -> 52 | 569.41 |
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 | 71% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 10 | 25 |
|
78/80 | 71% | 3.65 | RR | Riichi over Volga | Samara | |
| 11 | 784 |
|
12/52 | 57% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 12 | 839 |
|
6/32 | 57% | 1.80 | CRR | "Green Dragon" in the Secret Chamber | Korolyov | |
| 13 | 710 |
|
32/108 | 57% | 4.60 | RR | X Russian Championship | Perm | |
| 14 | 745 |
|
14/52 | 43% | 3.05 | RR | Agari Spring Tournament 2024 | Moscow | |
| 15 | 370 |
|
18/28 | 29% | 2.30 | CRR | Chasing Kan | Yekaterinburg | |
| 16 | 436 |
|
23/40 | 14% | 2.90 | CRR | Autumn Agari tournament | Moscow | |
| 17 | 1000 |
|
🥇 | 1/28 | 14% | 2.30 | CRR | Finding Dora | Yekaterinburg |
| 18 | 818 |
|
5/23 | 0% | 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 |