Knyazeva Anna

From Moscow, Russia

Player page

Internal rating (RR)

Rating date May 28, 2023 (latest changes May 28, 2023).

58 place (337.91).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 0.71 + 3.10 * 0.57) = 12.52139

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 = 319.8414872470229

score = 355.98755555555556 * 0.5 + 319.8414872470229 * 0.5 = 337.9145214012892

Rating changes

Show

all results
Date Place Points Reason
2023-05-28 60 -> 58 335.40 -> 337.91
2023-05-20 61 -> 60 329.45 -> 335.40
2023-05-06 62 -> 61 329.45
2023-04-19 63 -> 62 326.72 -> 329.45
2023-03-28 64 -> 63 324.01 -> 326.72
2023-03-20 65 -> 64 318.87 -> 324.01
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

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 867 2022-11-06 11/76 100% 4.20 RR IX Russian Riichi Championship
2 90 2022-06-12 102/112 100% 4.05 RR Moscow Riichi 2022