Druzhinina Alexandra

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 23, 2025 (latest changes Aug. 22, 2025).

200 place (235.37).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.50 * 1) = 15.2

p1 = (58.82 * 3.05 * 0.57 + 956.52 * 2.10 * 0.57 + 645.16 * 1.80 * 0.71 + 0 + 0) / (3.05 * 0.57 + 2.10 * 0.57 + 1.80 * 0.71 + 1 + 1) = 333.9193539323588

p2 = (956.52 * 2.10 * 0.57 + 645.16 * 1.80 * 0.71 + 58.82 * 3.05 * 0.57) / max_coefficients = 136.82894736842107

score = 333.9193539323588 * 0.5 + 136.82894736842107 * 0.5 = 235.37415065038994

Rating changes

Show

Date Place Points Reason
2025-08-22 201 -> 200 235.37
2025-08-09 202 -> 201 235.37
2025-08-04 205 -> 202 234.71 -> 235.37
2025-08-03 199 -> 205 234.71
2025-07-30 187 -> 199 258.36 -> 234.71

Seihoku spring tournament 2024: 71% -> 57%

2025-07-26 185 -> 187 258.36
2025-07-19 179 -> 185 269.12 -> 258.36

"Green Dragon" in the Secret Chamber: 86% -> 71%

2025-07-14 180 -> 179 269.12
2025-07-13 177 -> 180 269.12
2025-07-12 178 -> 177 267.58 -> 269.12

Tournaments

# Base rank Date Place Power Coefficient Type Tournament City
1 645 2024-05-19 12/32 71% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov
2 957 2024-03-30 🥉 3/47 57% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
3 59 2024-03-10 49/52 57% 3.05 RR Agari Spring Tournament 2024 Moscow