Medvedev Sergei

From Moscow, Russia

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Internal rating (RR)

Rating date Jan. 20, 2024 (latest changes Jan. 20, 2024).

35 place (451.29).

max_coefficients = (4 * 1 + 3.75 * 1 + 4.20 * 0.71 + 4.05 * 0.43) = 12.485890000000001

p1 = (360.36 * 4.05 * 0.43 + 586.67 * 4.20 * 0.71 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.43 + 4.20 * 0.71 + 3.75 * 1 + 1 + 1) = 490.5811523866834

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 0.71 + 360.36 * 4.05 * 0.43) / max_coefficients = 411.99946499608757

score = 490.5811523866834 * 0.5 + 411.99946499608757 * 0.5 = 451.29030869138546

Rating changes

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all results
Date Place Points Reason
2024-01-20 37 -> 35 451.29
2024-01-06 35 -> 37 457.89 -> 451.29

IX Russian Riichi Championship: 86% -> 71%
2023-12-19 37 -> 35 457.89
2023-12-12 37 453.27 -> 457.89

Moscow Riichi 2022: 57% -> 43%
2023-11-28 38 -> 37 453.27
2023-11-20 39 -> 38 453.27
2023-11-06 41 -> 39 459.22 -> 453.27

IX Russian Riichi Championship: 100% -> 86%
2023-10-12 41 454.96 -> 459.22

Moscow Riichi 2022: 71% -> 57%
2023-09-28 42 -> 41 454.96
2023-09-06 43 -> 42 454.96

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 736 2023-06-11 24/88 100% 3.75 RR Money can not buy tenpai
2 587 2022-11-06 32/76 71% 4.20 RR IX Russian Riichi Championship
3 360 2022-06-12 72/112 43% 4.05 RR Moscow Riichi 2022