Tyurkina Karina

From Saint Petersburg, Russia

EMA: 15990500

Player page

Internal rating (RR)

Rating date Jan. 13, 2026 (latest changes Jan. 12, 2026).

151 place (276.45).

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

p1 = (684.21 * 3.85 * 0.57 + 457.63 * 3.25 * 1 + 142.86 * 3.45 * 1 + 0 + 0) / (3.85 * 0.57 + 3.25 * 1 + 3.45 * 1 + 1 + 1) = 319.75919023036016

p2 = (684.21 * 3.85 * 0.57 + 457.63 * 3.25 * 1 + 142.86 * 3.45 * 1) / max_coefficients = 233.133110367893

score = 319.75919023036016 * 0.5 + 233.133110367893 * 0.5 = 276.4461502991266

Rating changes

Show

all results
Date Place Points Reason
2026-01-12 153 -> 151 276.45
2026-01-07 150 -> 153 276.45
2026-01-01 140 -> 150 297.79 -> 276.45

SPB Riichi Open 2024: 71% -> 57%
2025-12-07 136 -> 140 297.79
2025-12-04 138 -> 136 297.79
2025-11-12 141 -> 138 297.79
2025-11-04 133 -> 141 303.66 -> 297.79
2025-11-01 129 -> 133 324.25 -> 303.66

SPB Riichi Open 2024: 86% -> 71%
2025-10-13 129 319.76 -> 324.25
2025-10-04 130 -> 129 319.76

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 143 2025-08-31 67/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
2 458 2025-02-16 33/60 100% 3.25 RR White Wolf Cup Saint Petersburg
3 684 2024-09-01 31/96 57% 3.85 RR SPB Riichi Open 2024 Saint Petersburg