Grishina Olga
From Moscow, Russia
EMA: 15990379
Internal rating (RR)
Rating date Oct. 12, 2023 (latest changes Oct. 12, 2023).
10 place (636.35).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.57) = 14.26417
p1 = (706.67 * 3.45 * 0.14 + 106.38 * 3.10 * 0.29 + 701.49 * 3.50 * 0.43 + 936.94 * 4.05 * 0.57 + 200 * 4.20 * 1 + 701.15 * 3.75 * 1 + 869.16 * 4 * 1) / (3.45 * 0.14 + 3.10 * 0.29 + 3.50 * 0.43 + 4.05 * 0.57 + 4.20 * 1 + 3.75 * 1 + 4 * 1) = 618.8609950040671
p2 = (869.16 * 4 * 1 + 701.15 * 3.75 * 1 + 936.94 * 4.05 * 0.57 + 701.49 * 3.50 * 0.43) / max_coefficients = 653.8403566418516
score = 618.8609950040671 * 0.5 + 653.8403566418516 * 0.5 = 636.3506758229594
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-10-12 | 9 -> 10 | 647.06 -> 636.35 |
Moscow Riichi 2022: 71% -> 57% |
2023-09-28 | 9 | 648.11 -> 647.06 |
Saint Petersburg Open 2021: 29% -> 14% |
2023-09-20 | 9 | 660.86 -> 648.11 |
Tenpai can't buy happiness: 57% -> 43% |
2023-09-03 | 14 -> 9 | 579.75 -> 660.86 |
SPB Riichi Open 2023: 0% -> 100% |
2023-08-19 | 15 -> 14 | 572.99 -> 579.75 |
Agari team tournament: 43% -> 29% |
2023-08-12 | 13 -> 15 | 587.46 -> 572.99 |
Moscow Riichi 2022: 86% -> 71% |
2023-07-28 | 14 -> 13 | 597.18 -> 587.46 |
Saint Petersburg Open 2021: 43% -> 29% |
2023-07-20 | 11 -> 14 | 600.54 -> 597.18 |
Tenpai can't buy happiness: 71% -> 57% |
2023-07-06 | 13 -> 11 | 600.54 | |
2023-06-19 | 13 | 594.47 -> 600.54 |
Agari team tournament: 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 | 100% | 4.20 | RR | IX Russian Riichi Championship |
4 | 937 |
|
8/112 | 57% | 4.05 | RR | Moscow Riichi 2022 |
5 | 701 |
|
21/68 | 43% | 3.50 | RR | Tenpai can't buy happiness |
6 | 106 |
|
43/48 | 29% | 3.10 | RR | Agari team tournament |
7 | 707 |
|
23/76 | 14% | 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 |