Grishina Olga
From Moscow, Russia
EMA: 15990379
Common russian riichi rating (CRR)
Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).
143 place (323.12).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.85 * 1 + 3.45 * 1) = 15.55
p1 = (253.97 * 3.45 * 0.86 + 371.43 * 3.20 * 1 + 477.48 * 4.05 * 1 + 322.58 * 2.70 * 1 + 0) / (3.45 * 0.86 + 3.20 * 1 + 4.05 * 1 + 2.70 * 1 + 1) = 341.14486990180126
p2 = (477.48 * 4.05 * 1 + 371.43 * 3.20 * 1 + 322.58 * 2.70 * 1 + 253.97 * 3.45 * 0.86) / max_coefficients = 305.09967845659156
score = 341.14486990180126 * 0.5 + 305.09967845659156 * 0.5 = 323.12227417919644
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2020-02-01 | 143 | 323.12 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
|---|---|---|---|---|---|---|---|
| 1 | 323 |
|
22/32 | 100% | 2.70 | RR | The last chance: back to 2019 |
| 2 | 477 |
|
59/112 | 100% | 4.05 | EMA | VIII Russian Riichi Championship |
| 3 | 371 |
|
23/36 | 100% | 3.20 | RR | Moscow Open Riichi Marathon 2019 |
| 4 | 254 |
|
48/64 | 86% | 3.45 | EMA | White Dragon Tournament |