Boiko Bogdan

From Kirov, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 8, 2025 (latest changes June 8, 2025).

118 place (384.19).

max_coefficients = (4.60 * 0.86 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.19266

p1 = (214.95 * 4.60 * 0.86 + 191.49 * 2.80 * 1 + 113.92 * 3.65 * 1 + 736.84 * 1.50 * 1 + 1000 * 3.10 * 1) / (4.60 * 0.86 + 2.80 * 1 + 3.65 * 1 + 1.50 * 1 + 3.10 * 1) = 400.5119838641042

p2 = (1000 * 3.10 * 1 + 736.84 * 1.50 * 1 + 214.95 * 4.60 * 0.86 + 191.49 * 2.80 * 1) / max_coefficients = 367.86974762813094

score = 400.5119838641042 * 0.5 + 367.86974762813094 * 0.5 = 384.19086574611754

Rating changes

Show

all results
Date Place Points Reason
2025-05-19 119 -> 118 384.19
2025-05-17 116 -> 119 384.19
2025-05-12 118 -> 116 377.12 -> 384.19

X Russian Championship: 100% -> 86%
2025-05-05 119 -> 118 377.12
2025-05-03 114 -> 119 377.12
2025-04-27 112 -> 114 377.12
2025-04-26 110 -> 112 377.12
2025-04-25 109 -> 110 377.12
2025-03-30 110 -> 109 377.12
2025-03-26 111 -> 110 377.12

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 1000 2025-01-07 🥇 1/32 100% 3.10 RR Moscow Open Riichi Marathon Moscow
2 737 2025-01-04 6/20 100% 1.50 CRR Dirty Riichi Kirov
3 114 2024-08-04 71/80 100% 3.65 RR Riichi over Volga Samara
4 191 2024-07-14 39/48 100% 2.80 RR Guardian of the Winds Yekaterinburg
5 215 2024-05-12 85/108 86% 4.60 RR X Russian Championship Perm