Sorokina Darina

From Simferopol, Russia

EMA: 15990219

Player page

Common russian riichi rating (CRR)

Rating date June 29, 2026 (latest changes June 29, 2026).

142 place (381.45).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

p1 = (0 * 1.80 * 0.29 + 909.09 * 0.90 * 0.71 + 400 * 2 * 0.71 + 913.04 * 1.20 * 1 + 434.78 * 1.20 * 1 + 526.32 * 2.10 * 1) / (1.80 * 0.29 + 0.90 * 0.71 + 2 * 0.71 + 1.20 * 1 + 1.20 * 1 + 2.10 * 1) = 547.3705602669027

p2 = (526.32 * 2.10 * 1 + 913.04 * 1.20 * 1 + 909.09 * 0.90 * 0.71 + 400 * 2 * 0.71) / max_coefficients = 215.53591184343762

score = 547.3705602669027 * 0.5 + 215.53591184343762 * 0.5 = 381.4532360551701

Rating changes

Show

Date Place Points Reason
2026-06-27 145 -> 142 373.13 -> 381.45

South Dragon Cup II: 86% -> 71%

Happy Bamboo 2024: 43% -> 29%

2026-06-15 144 -> 145 369.09 -> 373.13
2026-06-14 129 -> 144 378.57 -> 369.09
2026-06-09 131 -> 129 378.57
2026-05-29 126 -> 131 385.70 -> 378.57

The Southern Coon Mini Cup: 86% -> 71%

2026-05-26 127 -> 126 385.70
2026-05-12 129 -> 127 385.70
2026-05-11 127 -> 129 385.70
2026-05-03 126 -> 127 384.89 -> 385.70
2026-05-02 127 -> 126 384.89

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 526 2026-04-19 10/20 100% 2.10 RR The Southern Dragon Cup 2026 Simferopol
2 435 2025-12-06 14/24 100% 1.20 CRR Riichi on fire Simferopol
3 913 2025-07-26 🥉 3/24 100% 1.20 CRR Pands in discards Simferopol
4 400 2025-04-27 10/16 71% 2.00 RR South Dragon Cup II Simferopol
5 909 2025-03-29 🥈 2/12 71% 0.90 CRR The Southern Coon Mini Cup Simferopol
6 0 2024-10-27 16/16 29% 1.80 CRR Happy Bamboo 2024 Simferopol
7 522 2015-03-01 12/24 0% 1.40 EMA Crimean Riichi Open 2015 Simferopol