Leonov Sergei

From Saratov, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 21, 2026 (latest changes July 18, 2026).

231 place (258.20).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

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 = 166.3324581629384

score = 350.06486486486483 * 0.5 + 166.3324581629384 * 0.5 = 258.1986615139016

Rating changes

Show

all results
Date Place Points Reason
2026-07-18 230 -> 231 258.20
2026-07-12 226 -> 230 258.20
2026-07-11 224 -> 226 258.20
2026-07-02 225 -> 224 258.20
2026-06-26 227 -> 225 258.20
2026-06-16 230 -> 227 258.20
2026-06-15 230 255.18 -> 258.20
2026-06-14 212 -> 230 262.25 -> 255.18
2026-06-09 213 -> 212 262.25
2026-06-04 214 -> 213 262.25

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