Grishina Olga

From Moscow, Russia

EMA: 15990379

Player page

Internal rating (RR)

Rating date Feb. 1, 2020 (latest changes Feb. 1, 2020).

125 place (323.12).

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

Show

Date Place Points Reason
2020-02-01 125 323.12

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 323 2020-01-26 22/32 100% 2.70 RR The last chance: back to 2019
2 477 2019-12-15 59/112 100% 4.05 EMA VIII Russian Riichi Championship
3 371 2019-07-21 23/36 100% 3.20 RR Moscow Open Riichi Marathon 2019
4 254 2018-12-16 48/64 86% 3.45 EMA White Dragon Tournament