Kosolapov Stanislav

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date May 17, 2026 (latest changes May 17, 2026).

185 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
2026-05-17 186 -> 185 297.39
2026-05-12 189 -> 186 297.39
2026-05-11 187 -> 189 297.39
2026-05-05 188 -> 187 297.39
2026-05-03 186 -> 188 296.65 -> 297.39
2026-05-02 188 -> 186 296.65
2026-05-01 190 -> 188 296.65
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%

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