Kosolapov Stanislav

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date April 26, 2026 (latest changes April 26, 2026).

190 place (296.65).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (657.14 * 1.90 * 0.86 + 246.75 * 3.45 * 1 + 800 * 1.70 * 1 + 0 + 0) / (1.90 * 0.86 + 3.45 * 1 + 1.70 * 1 + 1 + 1) = 373.8057456350693

p2 = (800 * 1.70 * 1 + 657.14 * 1.90 * 0.86 + 246.75 * 3.45 * 1) / max_coefficients = 219.49498327759198

score = 373.8057456350693 * 0.5 + 219.49498327759198 * 0.5 = 296.65036445633064

Rating changes

Show

all results
Date Place Points Reason
2026-04-26 181 -> 190 306.87 -> 296.65

Seihoku spring tournament 2025: 100% -> 86%
2026-04-19 171 -> 181 306.87
2026-04-11 246 -> 171 195.97 -> 306.87

Seihoku spring tournament 2026: 0% -> 100%
2026-04-05 241 -> 246 195.97
2026-04-04 242 -> 241 195.97
2026-03-21 236 -> 242 195.97
2026-03-14 231 -> 236 195.97
2026-03-12 232 -> 231 195.97
2026-03-10 233 -> 232 195.97
2026-03-07 228 -> 233 195.97

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 86% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg