Sorokina Darina

From Simferopol, Russia

EMA: 15990219

Player page

Common russian riichi rating (CRR)

Rating date April 4, 2026 (latest changes April 4, 2026).

142 place (355.81).

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

p1 = (0 * 1.80 * 0.57 + 909.09 * 0.90 * 0.86 + 400 * 2 * 1 + 913.04 * 1.20 * 1 + 434.78 * 1.20 * 1) / (1.80 * 0.57 + 0.90 * 0.86 + 2 * 1 + 1.20 * 1 + 1.20 * 1) = 503.01536635209214

p2 = (913.04 * 1.20 * 1 + 400 * 2 * 1 + 909.09 * 0.90 * 0.86 + 434.78 * 1.20 * 1) / max_coefficients = 208.60535117056855

score = 503.01536635209214 * 0.5 + 208.60535117056855 * 0.5 = 355.81035876133035

Rating changes

Show

Date Place Points Reason
2026-04-04 143 -> 142 355.81
2026-03-29 140 -> 143 363.85 -> 355.81

The Southern Coon Mini Cup: 100% -> 86%

2026-03-21 138 -> 140 363.85
2026-03-14 132 -> 138 363.85
2026-03-12 135 -> 132 363.85
2026-03-07 134 -> 135 363.85
2026-03-01 135 -> 134 363.85
2026-02-27 140 -> 135 353.86 -> 363.85

Happy Bamboo 2024: 71% -> 57%

2026-02-25 142 -> 140 353.86
2026-02-23 140 -> 142 353.86

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 435 2025-12-06 14/24 100% 1.20 CRR Riichi on fire Simferopol
2 913 2025-07-26 🥉 3/24 100% 1.20 CRR Pands in discards Simferopol
3 400 2025-04-27 10/16 100% 2.00 RR South Dragon Cup II Simferopol
4 909 2025-03-29 🥈 2/12 86% 0.90 CRR The Southern Coon Mini Cup Simferopol
5 0 2024-10-27 16/16 57% 1.80 CRR Happy Bamboo 2024 Simferopol
6 522 2015-03-01 12/24 0% 1.40 EMA Crimean Riichi Open 2015 Simferopol