Grishina Olga
From Moscow, Russia
EMA: 15990379
Internal rating (RR)
Rating date April 12, 2024 (latest changes April 12, 2024).
13 place (573.89).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 3.05 * 1 + 4.20 * 0.57) = 13.19988
p1 = (936.94 * 4.05 * 0.14 + 200 * 4.20 * 0.57 + 701.15 * 3.75 * 1 + 869.16 * 4 * 1 + 0) / (4.05 * 0.14 + 4.20 * 0.57 + 3.75 * 1 + 4 * 1 + 1) = 607.7592215626298
p2 = (869.16 * 4 * 1 + 701.15 * 3.75 * 1 + 936.94 * 4.05 * 0.14 + 200 * 4.20 * 0.57) / max_coefficients = 540.018545623142
score = 607.7592215626298 * 0.5 + 540.018545623142 * 0.5 = 573.8888835928859
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-04-12 | 9 -> 13 | 602.15 -> 573.89 |
Moscow Riichi 2022: 29% -> 14% |
2024-03-30 | 8 -> 9 | 602.15 | |
2024-03-20 | 7 -> 8 | 630.20 -> 602.15 |
Tenpai can't buy happiness: 14% -> 0% |
2024-03-10 | 4 -> 7 | 678.84 -> 630.20 | |
2024-03-06 | 4 | 655.19 -> 678.84 |
IX Russian Riichi Championship: 71% -> 57% |
2024-02-12 | 4 | 668.00 -> 655.19 |
Moscow Riichi 2022: 43% -> 29% |
2024-01-20 | 4 | 672.67 -> 668.00 |
Tenpai can't buy happiness: 29% -> 14% |
2024-01-06 | 5 -> 4 | 647.89 -> 672.67 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 6 -> 5 | 639.61 -> 647.89 |
Agari team tournament: 14% -> 0% |
2023-12-12 | 5 -> 6 | 651.58 -> 639.61 |
Moscow Riichi 2022: 57% -> 43% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 869 |
|
15/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
2 | 701 |
|
27/88 | 100% | 3.75 | RR | Money can not buy tenpai |
3 | 200 |
|
61/76 | 57% | 4.20 | RR | IX Russian Riichi Championship |
4 | 937 |
|
8/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
5 | 701 |
|
21/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
6 | 106 |
|
43/48 | 0% | 3.10 | RR | Agari team tournament |
7 | 707 |
|
23/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
8 | 323 |
|
22/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
9 | 477 |
|
59/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
10 | 371 |
|
23/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
11 | 254 |
|
48/64 | 0% | 3.45 | EMA | White Dragon Tournament |