Medvedev Sergei

From Moscow, Russia

Player page

Internal rating (RR)

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

28 place (487.83).

max_coefficients = (4.20 * 1 + 3.75 * 1 + 4.05 * 0.71 + 3.50 * 0.57) = 12.842815

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 = 487.82996562669473

score = 487.8261671902368 * 0.5 + 487.82996562669473 * 0.5 = 487.82806640846576

Rating changes

Show

all results
Date Place Points Reason
2023-08-19 30 -> 28 487.83
2023-08-12 32 -> 30 482.34 -> 487.83

Moscow Riichi 2022: 86% -> 71%
2023-07-28 33 -> 32 482.34
2023-07-20 33 473.67 -> 482.34
2023-07-06 32 -> 33 473.67
2023-06-19 33 -> 32 473.67
2023-06-12 37 -> 33 469.06 -> 473.67

Moscow Riichi 2022: 100% -> 86%
2023-06-11 61 -> 37 331.05 -> 469.06

Money can not buy tenpai: 0% -> 100%
2023-05-28 63 -> 61 328.58 -> 331.05
2023-05-20 64 -> 63 322.75 -> 328.58

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