Kosolapov Stanislav

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 29, 2026 (latest changes June 29, 2026).

211 place (282.01).

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

p1 = (657.14 * 1.90 * 0.71 + 246.75 * 3.45 * 1 + 800 * 1.70 * 1 + 0 + 0) / (1.90 * 0.71 + 3.45 * 1 + 1.70 * 1 + 1 + 1) = 364.7687773960083

p2 = (800 * 1.70 * 1 + 657.14 * 1.90 * 0.71 + 246.75 * 3.45 * 1) / max_coefficients = 199.25055107482868

score = 364.7687773960083 * 0.5 + 199.25055107482868 * 0.5 = 282.0096642354185

Rating changes

Show

all results
Date Place Points Reason
2026-06-26 199 -> 211 292.25 -> 282.01

Seihoku spring tournament 2025: 86% -> 71%
2026-06-16 198 -> 199 292.25
2026-06-15 199 -> 198 288.43 -> 292.25
2026-06-14 184 -> 199 297.39 -> 288.43
2026-06-13 186 -> 184 297.39
2026-06-04 189 -> 186 297.39
2026-06-01 190 -> 189 297.39
2026-05-31 186 -> 190 297.39
2026-05-25 187 -> 186 297.39
2026-05-19 188 -> 187 297.39

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 800 2026-04-11 7/31 100% 1.70 RR Seihoku spring tournament 2026 Saint Petersburg
2 247 2025-08-31 59/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
3 657 2025-04-26 13/36 71% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg