Grishina Olga
From Moscow, Russia
EMA: 15990379
Common russian riichi rating (CRR)
Rating date May 12, 2024 (latest changes May 12, 2024).
20 place (625.13).
how we calculated rating score
max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 1 + 3.05 * 1) = 15.399999999999999
p1 = (652.17 * 2.80 * 0.57 + 936.94 * 4.05 * 0.14 + 200 * 4.20 * 0.43 + 701.15 * 3.75 * 1 + 869.16 * 4 * 1 + 504.67 * 4.60 * 1) / (2.80 * 0.57 + 4.05 * 0.14 + 4.20 * 0.43 + 3.75 * 1 + 4 * 1 + 4.60 * 1) = 635.2677189392842
p2 = (869.16 * 4 * 1 + 701.15 * 3.75 * 1 + 504.67 * 4.60 * 1 + 652.17 * 2.80 * 0.57) / max_coefficients = 614.9922077922079
score = 635.2677189392842 * 0.5 + 614.9922077922079 * 0.5 = 625.1299633657461
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2024-05-12 | 14 -> 20 | 623.96 -> 625.13 |
X Russian Championship: 0% -> 100% |
| 2024-05-06 | 18 -> 14 | 612.13 -> 623.96 |
IX Russian Riichi Championship: 57% -> 43% |
| 2024-04-18 | 17 -> 18 | 621.48 -> 612.13 |
Meeting in the billiard room: 71% -> 57% |
| 2024-04-12 | 12 -> 17 | 647.22 -> 621.48 |
Moscow Riichi 2022: 29% -> 14% |
| 2024-03-30 | 10 -> 12 | 647.22 | |
| 2024-03-20 | 11 -> 10 | 647.71 -> 647.22 |
Tenpai can't buy happiness: 14% -> 0% |
| 2024-03-10 | 6 -> 11 | 663.16 -> 647.71 | |
| 2024-03-06 | 10 -> 6 | 638.95 -> 663.16 |
IX Russian Riichi Championship: 71% -> 57% |
| 2024-02-25 | 11 -> 10 | 638.95 | |
| 2024-02-18 | 10 -> 11 | 648.45 -> 638.95 |
Meeting in the billiard room: 86% -> 71% |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 505 |
|
54/108 | 100% | 4.60 | RR | X Russian Championship |
| 2 | 869 |
|
15/108 | 100% | 4.00 | RR | SPB Riichi Open 2023 |
| 3 | 701 |
|
27/88 | 100% | 3.75 | RR | Money can not buy tenpai |
| 4 | 652 |
|
9/24 | 57% | 2.80 | CRR | Meeting in the billiard room |
| 5 | 200 |
|
61/76 | 43% | 4.20 | RR | IX Russian Riichi Championship |
| 6 | 937 |
|
8/112 | 14% | 4.05 | RR | Moscow Riichi 2022 |
| 7 | 701 |
|
21/68 | 0% | 3.50 | RR | Tenpai can't buy happiness |
| 8 | 106 |
|
43/48 | 0% | 3.10 | RR | Agari team tournament |
| 9 | 707 |
|
23/76 | 0% | 3.45 | RR | Saint Petersburg Open 2021 |
| 10 | 323 |
|
22/32 | 0% | 2.70 | RR | The last chance: back to 2019 |
| 11 | 477 |
|
59/112 | 0% | 4.05 | EMA | VIII Russian Riichi Championship |
| 12 | 371 |
|
23/36 | 0% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
| 13 | 254 |
|
48/64 | 0% | 3.45 | EMA | White Dragon Tournament |