Kosolapov Stanislav

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date July 31, 2026 (latest changes July 26, 2026).

150 place (316.17).

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 + 322.58 * 1.80 * 1 + 0) / (1.90 * 0.71 + 3.45 * 1 + 1.70 * 1 + 1.80 * 1 + 1) = 395.8023760176294

p2 = (800 * 1.70 * 1 + 657.14 * 1.90 * 0.71 + 246.75 * 3.45 * 1 + 322.58 * 1.80 * 1) / max_coefficients = 236.53358041005234

score = 395.8023760176294 * 0.5 + 236.53358041005234 * 0.5 = 316.16797821384085

Rating changes

Show

all results
Date Place Points Reason
2026-07-25 165 -> 150 282.01 -> 316.17

Seihoku Summer Tournament 2026: 0% -> 100%
2026-07-18 163 -> 165 282.01
2026-07-14 164 -> 163 282.01
2026-07-12 160 -> 164 282.01
2026-07-02 161 -> 160 282.01
2026-07-01 162 -> 161 282.01
2026-06-27 165 -> 162 282.01
2026-06-26 158 -> 165 292.25 -> 282.01

Seihoku spring tournament 2025: 86% -> 71%
2026-06-15 158 288.43 -> 292.25
2026-06-14 138 -> 158 297.39 -> 288.43

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 323 2026-07-25 22/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
2 800 2026-04-11 7/31 100% 1.70 RR Seihoku spring tournament 2026 Saint Petersburg
3 247 2025-08-31 59/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
4 657 2025-04-26 13/36 71% 1.90 RR Seihoku spring tournament 2025 Saint Petersburg