Rozhkova Anastasiya
From Moscow, Russia
EMA: 15990371
Internal rating (RR)
Rating date Sept. 4, 2025 (latest changes Sept. 3, 2025).
42 place (620.99).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.75 * 1 + 3.50 * 1 + 3.45 * 1) = 14.8
p1 = (551.40 * 4.60 * 0.71 + 588.24 * 3.05 * 0.71 + 734.18 * 3.65 * 0.86 + 578.95 * 3.85 * 0.86 + 225.81 * 3.10 * 1 + 500 * 2.60 * 1 + 864.41 * 3.25 * 1 + 96.77 * 2.40 * 1 + 485.71 * 1.90 * 1 + 657.14 * 3.50 * 1 + 753.25 * 3.45 * 1) / (4.60 * 0.71 + 3.05 * 0.71 + 3.65 * 0.86 + 3.85 * 0.86 + 3.10 * 1 + 2.60 * 1 + 3.25 * 1 + 2.40 * 1 + 1.90 * 1 + 3.50 * 1 + 3.45 * 1) = 565.9773446532687
p2 = (864.41 * 3.25 * 1 + 753.25 * 3.45 * 1 + 657.14 * 3.50 * 1 + 734.18 * 3.65 * 0.86) / max_coefficients = 676.002027027027
score = 565.9773446532687 * 0.5 + 676.002027027027 * 0.5 = 620.9896858401478
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2025-09-03 | 42 | 620.78 -> 620.99 |
SPB Riichi Open 2023: 14% -> 0% |
| 2025-09-01 | 43 -> 42 | 612.00 -> 620.78 |
SPB Riichi Open 2024: 100% -> 86% |
| 2025-08-31 | 44 -> 43 | 588.97 -> 612.00 |
SPB Riichi Open 2025: 0% -> 100% |
| 2025-08-09 | 44 | 589.29 -> 588.97 |
Agari Summer Tournament 2024: 86% -> 71% |
| 2025-08-04 | 45 -> 44 | 600.27 -> 589.29 |
Riichi over Volga: 100% -> 86% |
| 2025-08-03 | 43 -> 45 | 600.27 | |
| 2025-07-14 | 44 -> 43 | 600.27 | |
| 2025-07-13 | 42 -> 44 | 600.27 | |
| 2025-07-12 | 43 -> 42 | 594.20 -> 600.27 |
X Russian Championship: 86% -> 71% |
| 2025-07-10 | 44 -> 43 | 594.20 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 753 |
|
20/78 | 100% | 3.45 | RR | SPB Riichi Open 2025 | Saint Petersburg | |
| 2 | 104 |
|
61/68 | 100% | 4.10 | RR | 13 bloody tiles | Perm | |
| 3 | 657 |
|
25/71 | 100% | 3.50 | RR | Riichi over The Volga 2025 | Samara | |
| 4 | 486 |
|
19/36 | 100% | 1.90 | RR | Seihoku spring tournament 2025 | Saint Petersburg | |
| 5 | 97 |
|
29/32 | 100% | 2.40 | RR | Riichi Maslenitsa (shrovetide) | Yekaterinburg | |
| 6 | 864 |
|
9/60 | 100% | 3.25 | RR | White Wolf Cup | Saint Petersburg | |
| 7 | 500 |
|
22/43 | 100% | 2.60 | RR | Riichi On Ice | Samara | |
| 8 | 226 |
|
25/32 | 100% | 3.10 | RR | Moscow Open Riichi Marathon | Moscow | |
| 9 | 579 |
|
41/96 | 86% | 3.85 | RR | SPB Riichi Open 2024 | Saint Petersburg | |
| 10 | 734 |
|
22/80 | 86% | 3.65 | RR | Riichi over Volga | Samara | |
| 11 | 588 |
|
22/52 | 71% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 12 | 551 |
|
49/108 | 71% | 4.60 | RR | X Russian Championship | Perm | |
| 13 | 542 |
|
50/108 | 0% | 4.00 | RR | SPB Riichi Open 2023 | Saint Petersburg | |
| 14 | 853 |
|
12/76 | 0% | 4.20 | RR | IX Russian Riichi Championship | Perm | |
| 15 | 297 |
|
79/112 | 0% | 4.05 | RR | Moscow Riichi 2022 | Moscow | |
| 16 | 537 |
|
32/68 | 0% | 3.50 | RR | Tenpai can't buy happiness | Perm | |
| 17 | 362 |
|
31/48 | 0% | 3.10 | RR | Agari team tournament | Moscow | |
| 18 | 867 |
|
11/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 | Saint Petersburg | |
| 19 | 516 |
|
16/32 | 0% | 2.70 | RR | The last chance: back to 2019 | Moscow | |
| 20 | 955 |
|
6/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship | Moscow | |
| 21 | 619 |
|
25/64 | 0% | 3.45 | EMA | Saint Petersburg Open 2019 | Saint Petersburg | |
| 22 | 619 |
|
25/64 | 0% | 3.85 | EMA | Aki Shanten 2019 | Perm | |
| 23 | 314 |
|
25/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 | Moscow | |
| 24 | 769 |
|
10/40 | 0% | 2.90 | RR | Summer Cup 2019 | Saint Petersburg | |
| 25 | 398 |
|
51/84 | 0% | 4.20 | EMA | Haru Shanten 2019 | Perm | |
| 26 | 511 |
|
24/48 | 0% | 3.10 | RR | Agari team tournament 2019 | Moscow | |
| 27 | 176 |
|
76/92 | 0% | 3.80 | EMA | VII Russian Riichi Championship "Aki Shanten" | Perm |