Grishina Olga
From Moscow, Russia
EMA: 15990379
Common russian riichi rating (CRR)
Rating date Nov. 6, 2023 (latest changes Nov. 6, 2023).
9 place (681.45).
how we calculated rating score
max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.86 + 2.80 * 1) = 14.149820000000002
p1 = (652.17 * 2.80 * 1 + 706.67 * 3.45 * 0.14 + 106.38 * 3.10 * 0.14 + 701.49 * 3.50 * 0.43 + 936.94 * 4.05 * 0.57 + 701.15 * 3.75 * 1 + 869.16 * 4 * 1 + 200 * 4.20 * 0.86) / (2.80 * 1 + 3.45 * 0.14 + 3.10 * 0.14 + 3.50 * 0.43 + 4.05 * 0.57 + 3.75 * 1 + 4 * 1 + 4.20 * 0.86) = 649.1007844673713
p2 = (869.16 * 4 * 1 + 701.15 * 3.75 * 1 + 936.94 * 4.05 * 0.57 + 652.17 * 2.80 * 1) / max_coefficients = 713.8090802568513
score = 649.1007844673713 * 0.5 + 713.8090802568513 * 0.5 = 681.4549323621113
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-11-06 | 9 | 660.02 -> 681.45 |
IX Russian Riichi Championship: 100% -> 86% |
2023-11-05 | 8 -> 9 | 660.02 | |
2023-10-19 | 10 -> 8 | 654.15 -> 660.02 |
Agari team tournament: 29% -> 14% |
2023-10-12 | 9 -> 10 | 674.69 -> 654.15 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 8 -> 9 | 675.56 -> 674.69 |
Saint Petersburg Open 2021: 29% -> 14% |
2023-09-20 | 8 | 676.35 -> 675.56 |
Tenpai can't buy happiness: 57% -> 43% |
2023-09-06 | 9 -> 8 | 676.35 | |
2023-09-03 | 12 -> 9 | 605.22 -> 676.35 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-19 | 13 -> 12 | 599.35 -> 605.22 |
Agari team tournament: 43% -> 29% |
2023-08-12 | 12 -> 13 | 611.34 -> 599.35 |
Moscow Riichi 2022: 86% -> 71% |
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 | 100% | 2.80 | CRR | Meeting in the billiard room |
4 | 200 |
|
61/76 | 86% | 4.20 | RR | IX Russian Riichi Championship |
5 | 937 |
|
8/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
6 | 701 |
|
21/68 | 43% | 3.50 | RR | Tenpai can't buy happiness |
7 | 106 |
|
43/48 | 14% | 3.10 | RR | Agari team tournament |
8 | 707 |
|
23/76 | 14% | 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 |