Medvedev Sergei

From Moscow, Russia

Player page

Internal rating (RR)

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

41 place (454.96).

max_coefficients = (4.20 * 1 + 4 * 1 + 3.75 * 1 + 4.05 * 0.71) = 14.842915

p1 = (360.36 * 4.05 * 0.71 + 586.67 * 4.20 * 1 + 735.63 * 3.75 * 1 + 0 + 0) / (4.05 * 0.71 + 4.20 * 1 + 3.75 * 1 + 1 + 1) = 487.8261671902368

p2 = (735.63 * 3.75 * 1 + 586.67 * 4.20 * 1 + 360.36 * 4.05 * 0.71) / max_coefficients = 422.09431233689605

score = 487.8261671902368 * 0.5 + 422.09431233689605 * 0.5 = 454.9602397635664

Rating changes

Show

all results
Date Place Points Reason
2023-09-28 42 -> 41 454.96
2023-09-06 43 -> 42 454.96
2023-09-03 29 -> 43 487.83 -> 454.96
2023-08-19 31 -> 29 487.83
2023-08-12 33 -> 31 482.34 -> 487.83

Moscow Riichi 2022: 86% -> 71%
2023-07-28 34 -> 33 482.34
2023-07-20 34 473.67 -> 482.34
2023-07-06 33 -> 34 473.67
2023-06-19 34 -> 33 473.67
2023-06-12 38 -> 34 469.06 -> 473.67

Moscow Riichi 2022: 100% -> 86%

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 32/76 100% 4.20 RR IX Russian Riichi Championship
3 360 2022-06-12 72/112 71% 4.05 RR Moscow Riichi 2022