Artyushenko Nina

From Simferopol, Russia

Player page

Internal rating (RR)

Rating date July 15, 2026 (latest changes July 14, 2026).

240 place (92.78).

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

p1 = (133.33 * 2 * 0.71 + 315.79 * 2.10 * 1 + 0 + 0 + 0) / (2 * 0.71 + 2.10 * 1 + 1 + 1 + 1) = 130.75391354961246

p2 = (315.79 * 2.10 * 1 + 133.33 * 2 * 0.71) / max_coefficients = 54.811478793972825

score = 130.75391354961246 * 0.5 + 54.811478793972825 * 0.5 = 92.78269617179265

Rating changes

Show

all results
Date Place Points Reason
2026-07-14 242 -> 240 92.78
2026-07-12 238 -> 242 92.78
2026-06-27 238 94.06 -> 92.78

South Dragon Cup II: 86% -> 71%
2026-06-15 239 -> 238 93.02 -> 94.06
2026-06-14 224 -> 239 95.46 -> 93.02
2026-06-09 227 -> 224 95.46
2026-05-17 225 -> 227 95.46
2026-05-12 234 -> 225 95.46
2026-05-03 230 -> 234 95.25 -> 95.46
2026-05-01 231 -> 230 95.25

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 316 2026-04-19 14/20 100% 2.10 RR The Southern Dragon Cup 2026 Simferopol
2 133 2025-04-27 14/16 71% 2.00 RR South Dragon Cup II Simferopol
3 370 2017-09-24 18/28 0% 1.50 EMA Kharkiv open 2017 Kharkiv
4 696 2015-03-01 8/24 0% 1.40 EMA Crimean Riichi Open 2015 Simferopol
5 556 2013-11-24 13/28 0% 1.50 EMA Crimean Riichi Open 2013 Simferopol