Knyazeva Anna

From Moscow, Russia

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Internal rating (RR)

Rating date Jan. 3, 2025 (latest changes Jan. 3, 2025).

73 place (423.02).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (98.04 * 3.05 * 1 + 609.20 * 3.75 * 0.43 + 523.36 * 4 * 0.57 + 158.88 * 4.60 * 1 + 573.03 * 3.75 * 1 + 784.31 * 3.05 * 1) / (3.05 * 1 + 3.75 * 0.43 + 4 * 0.57 + 4.60 * 1 + 3.75 * 1 + 3.05 * 1) = 422.3024230149623

p2 = (784.31 * 3.05 * 1 + 573.03 * 3.75 * 1 + 523.36 * 4 * 0.57 + 609.20 * 3.75 * 0.43) / max_coefficients = 423.74574132492114

score = 422.3024230149623 * 0.5 + 423.74574132492114 * 0.5 = 423.0240821699417

Rating changes

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all results
Date Place Points Reason
2025-01-03 69 -> 73 433.99 -> 423.02

SPB Riichi Open 2023: 71% -> 57%
2024-12-11 67 -> 69 446.81 -> 433.99

Money can not buy tenpai: 57% -> 43%
2024-11-06 67 453.34 -> 446.81

IX Russian Riichi Championship: 14% -> 0%
2024-11-03 68 -> 67 463.88 -> 453.34

SPB Riichi Open 2023: 86% -> 71%
2024-10-13 76 -> 68 409.06 -> 463.88

Moscow Riichi 2024: 0% -> 100%
2024-10-11 74 -> 76 422.52 -> 409.06

Money can not buy tenpai: 71% -> 57%
2024-09-06 70 -> 74 439.86 -> 422.52

IX Russian Riichi Championship: 29% -> 14%
2024-09-03 69 -> 70 442.62 -> 439.86

SPB Riichi Open 2023: 100% -> 86%
2024-09-01 59 -> 69 454.24 -> 442.62
2024-08-11 57 -> 59 464.67 -> 454.24

Money can not buy tenpai: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 573 2024-10-13 39/90 100% 3.75 RR Moscow Riichi 2024
2 98 2024-06-09 47/52 100% 3.05 RR Agari Summer Tournament 2024
3 159 2024-05-12 91/108 100% 4.60 RR X Russian Championship
4 784 2024-03-10 12/52 100% 3.05 RR Agari Spring Tournament 2024
5 523 2023-09-03 52/108 57% 4.00 RR SPB Riichi Open 2023
6 609 2023-06-11 35/88 43% 3.75 RR Money can not buy tenpai
7 867 2022-11-06 11/76 0% 4.20 RR IX Russian Riichi Championship
8 90 2022-06-12 102/112 0% 4.05 RR Moscow Riichi 2022