Knyazeva Anna
From Moscow, Russia
Internal rating (RR)
Rating date March 6, 2023 (latest changes March 6, 2023).
65 place (318.87).
how we calculated rating score
max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.71) = 14.214335
p1 = (90.09 * 4.05 * 1 + 866.67 * 4.20 * 1 + 0 + 0 + 0) / (4.05 * 1 + 4.20 * 1 + 1 + 1 + 1) = 355.98755555555556
p2 = (866.67 * 4.20 * 1 + 90.09 * 4.05 * 1) / max_coefficients = 281.7479678085538
score = 355.98755555555556 * 0.5 + 281.7479678085538 * 0.5 = 318.8677616820547
Rating changes
Date | Place | Points | Reason |
---|---|---|---|
2023-02-19 | 68 -> 65 | 316.98 -> 318.87 | |
2023-01-28 | 69 -> 68 | 314.15 -> 316.98 | |
2022-12-19 | 70 -> 69 | 312.84 -> 314.15 | |
2022-11-28 | 71 -> 70 | 309.73 -> 312.84 | |
2022-11-06 | 71 | 309.73 |
IX Russian Riichi Championship: 0% -> 100% |
Tournaments
# | Base rank | Date | Place | Power | Coefficient | Type | Tournament |
---|---|---|---|---|---|---|---|
1 | 867 |
|
11/76 | 100% | 4.20 | RR | IX Russian Riichi Championship |
2 | 90 |
|
102/112 | 100% | 4.05 | RR | Moscow Riichi 2022 |