Leonov Sergei

From Saratov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Oct. 31, 2026 (latest changes Oct. 31, 2026).

231 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
2026-10-31 232 -> 231 259.08
2026-10-24 231 -> 232 259.08
2026-10-17 230 -> 231 259.08
2026-10-16 231 -> 230 259.08
2026-10-13 236 -> 231 259.08
2026-09-26 235 -> 236 259.08
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

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