Leonov Sergei

From Saratov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 20, 2026 (latest changes Sept. 17, 2026).

235 place (259.08).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (300 * 1.50 * 1 + 738.10 * 2.90 * 1 + 0 + 0 + 0) / (1.50 * 1 + 2.90 * 1 + 1 + 1 + 1) = 350.06486486486483

p2 = (738.10 * 2.90 * 1 + 300 * 1.50 * 1) / max_coefficients = 168.1038286826736

score = 350.06486486486483 * 0.5 + 168.1038286826736 * 0.5 = 259.0843467737692

Rating changes

Show

all results
Date Place Points Reason
2026-09-15 236 -> 235 259.08
2026-09-07 237 -> 236 259.08
2026-09-06 231 -> 237 259.08
2026-09-01 236 -> 231 259.08
2026-08-31 236 258.81 -> 259.08
2026-08-30 233 -> 236 258.81
2026-08-26 234 -> 233 258.81
2026-08-16 230 -> 234 258.81
2026-08-15 232 -> 230 258.20 -> 258.81
2026-08-14 233 -> 232 258.20

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 738 2026-05-03 12/43 100% 2.90 RR Sturgeon in tempai Saratov
2 300 2025-11-22 15/21 100% 1.50 CRR San-Biki Cup Saratov