Kosolapov Stanislav

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date June 8, 2026 (latest changes June 8, 2026).

186 place (297.39).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

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 = 220.97306397306397

score = 373.8057456350693 * 0.5 + 220.97306397306397 * 0.5 = 297.38940480406666

Rating changes

Show

all results
Date Place Points Reason
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
2026-05-17 185 -> 188 297.39
2026-05-12 188 -> 185 297.39
2026-05-11 186 -> 188 297.39
2026-05-05 187 -> 186 297.39
2026-05-03 185 -> 187 296.65 -> 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 86% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg