Medvedev Sergei

From Moscow, Russia

Player page

Internal rating (RR)

Rating date June 11, 2024 (latest changes June 11, 2024).

83 place (328.46).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.75 * 0.86 + 3.05 * 1) = 14.864125000000001

p1 = (586.67 * 4.20 * 0.43 + 735.63 * 3.75 * 0.86 + 0 + 0 + 0) / (4.20 * 0.43 + 3.75 * 0.86 + 1 + 1 + 1) = 426.80002919800927

p2 = (735.63 * 3.75 * 0.86 + 586.67 * 4.20 * 0.43) / max_coefficients = 230.11647170620532

score = 426.80002919800927 * 0.5 + 230.11647170620532 * 0.5 = 328.4582504521073

Rating changes

Show

Date Place Points Reason
2024-06-11 72 -> 83 378.09 -> 328.46

Money can not buy tenpai: 100% -> 86%

2024-06-09 70 -> 72 378.09
2024-05-12 48 -> 70 403.41 -> 378.09
2024-05-06 45 -> 48 416.34 -> 403.41

IX Russian Riichi Championship: 57% -> 43%

2024-04-12 43 -> 45 419.86 -> 416.34

Moscow Riichi 2022: 29% -> 14%

2024-03-30 40 -> 43 419.86
2024-03-20 45 -> 40 419.86
2024-03-10 34 -> 45 448.93 -> 419.86
2024-03-06 32 -> 34 456.35 -> 448.93

IX Russian Riichi Championship: 71% -> 57%

2024-02-12 34 -> 32 451.29 -> 456.35

Moscow Riichi 2022: 43% -> 29%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 736 2023-06-11 24/88 86% 3.75 RR Money can not buy tenpai
2 587 2022-11-06 32/76 43% 4.20 RR IX Russian Riichi Championship
3 360 2022-06-12 72/112 14% 4.05 RR Moscow Riichi 2022