Grishina Olga
From Moscow, Russia
EMA: 15990379
Common russian riichi rating (CRR)
Rating date Feb. 17, 2024 (latest changes Feb. 17, 2024).
10 place (648.45).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 2.90 * 1) = 13.650060000000002
p1 = (652.17 * 2.80 * 0.86 + 701.49 * 3.50 * 0.14 + 936.94 * 4.05 * 0.29 + 200 * 4.20 * 0.71 + 701.15 * 3.75 * 1 + 869.16 * 4 * 1) / (2.80 * 0.86 + 3.50 * 0.14 + 4.05 * 0.29 + 4.20 * 0.71 + 3.75 * 1 + 4 * 1) = 655.4977569995626
p2 = (869.16 * 4 * 1 + 701.15 * 3.75 * 1 + 652.17 * 2.80 * 0.86 + 936.94 * 4.05 * 0.29) / max_coefficients = 641.404506646857
score = 655.4977569995626 * 0.5 + 641.404506646857 * 0.5 = 648.4511318232098
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2024-02-12 | 6 -> 10 | 673.61 -> 648.45 |
Moscow Riichi 2022: 43% -> 29% |
2024-01-20 | 7 -> 6 | 674.16 -> 673.61 |
Tenpai can't buy happiness: 29% -> 14% |
2024-01-06 | 8 -> 7 | 651.33 -> 674.16 |
IX Russian Riichi Championship: 86% -> 71% |
2023-12-19 | 9 -> 8 | 644.22 -> 651.33 |
Agari team tournament: 14% -> 0% |
2023-12-18 | 9 | 653.56 -> 644.22 |
Meeting in the billiard room: 100% -> 86% |
2023-12-12 | 9 | 677.43 -> 653.56 |
Moscow Riichi 2022: 57% -> 43% |
2023-11-28 | 10 -> 9 | 678.24 -> 677.43 |
Saint Petersburg Open 2021: 14% -> 0% |
2023-11-26 | 9 -> 10 | 680.74 -> 678.24 | |
2023-11-20 | 9 | 681.45 -> 680.74 |
Tenpai can't buy happiness: 43% -> 29% |
2023-11-06 | 9 | 660.02 -> 681.45 |
IX Russian Riichi Championship: 100% -> 86% |
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 | 652 |
|
9/24 | 86% | 2.80 | CRR | Meeting in the billiard room |
4 | 200 |
|
61/76 | 71% | 4.20 | RR | IX Russian Riichi Championship |
5 | 937 |
|
8/112 | 29% | 4.05 | RR | Moscow Riichi 2022 |
6 | 701 |
|
21/68 | 14% | 3.50 | RR | Tenpai can't buy happiness |
7 | 106 |
|
43/48 | 0% | 3.10 | RR | Agari team tournament |
8 | 707 |
|
23/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
9 | 323 |
|
22/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
10 | 477 |
|
59/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
11 | 371 |
|
23/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
12 | 254 |
|
48/64 | 0% | 3.45 | EMA | White Dragon Tournament |