Knyazeva Anna

From Moscow, Russia

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Internal rating (RR)

Rating date Feb. 19, 2023 (latest changes Feb. 19, 2023).

66 place (318.87).

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

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all results
Date Place Points Reason
2023-02-19 69 -> 66 316.98 -> 318.87
2023-01-28 70 -> 69 314.15 -> 316.98
2022-12-19 71 -> 70 312.84 -> 314.15
2022-11-28 72 -> 71 309.73 -> 312.84
2022-11-06 72 309.73

IX Russian Riichi Championship: 0% -> 100%

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