Boiko Bogdan

From Kirov, Russia

Player page

Common russian riichi rating (CRR)

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

171 place (137.78).

max_coefficients = (4.60 * 1 + 4 * 1 + 3.65 * 1 + 3.05 * 1) = 15.3

p1 = (214.95 * 4.60 * 1 + 191.49 * 2.80 * 1 + 113.92 * 3.65 * 1 + 0 + 0) / (4.60 * 1 + 2.80 * 1 + 3.65 * 1 + 1 + 1) = 148.71877394636016

p2 = (214.95 * 4.60 * 1 + 191.49 * 2.80 * 1 + 113.92 * 3.65 * 1) / max_coefficients = 126.84836601307188

score = 148.71877394636016 * 0.5 + 126.84836601307188 * 0.5 = 137.78356997971602

Rating changes

Show

Date Place Points Reason
2024-08-20 172 -> 171 137.78
2024-08-11 172 137.11 -> 137.78
2024-08-04 172 124.61 -> 137.11

Riichi over Volga: 0% -> 100%

2024-07-14 172 124.61

Guardian of the Winds: 0% -> 100%

Tournaments

# Base rank Date Place Power Coefficient Type Tournament
1 114 2024-08-04 71/80 100% 3.65 RR Riichi over Volga
2 191 2024-07-14 39/48 100% 2.80 RR Guardian of the Winds
3 215 2024-05-12 85/108 100% 4.60 RR X Russian Championship