Druzhinina Alexandra

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Aug. 2, 2025 (latest changes July 30, 2025).

199 place (234.71).

max_coefficients = (4.10 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.35

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 = 135.49185667752445

score = 333.9193539323588 * 0.5 + 135.49185667752445 * 0.5 = 234.70560530494163

Rating changes

Show

Date Place Points Reason
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
2025-07-10 182 -> 178 258.91 -> 267.58

Agari Spring Tournament 2024: 71% -> 57%

2025-06-15 173 -> 182 261.33 -> 258.91
2025-06-14 170 -> 173 261.33
2025-06-11 178 -> 170 261.33

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