Druzhinina Alexandra

From Korolyov, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 3, 2026 (latest changes Sept. 3, 2026).

229 place (260.29).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 3.40 * 1 + 3.40 * 1) = 15.41

p1 = (185.19 * 2.45 * 1 + 580.42 * 4.71 * 1 + 0 + 0 + 0) / (2.45 * 1 + 4.71 * 1 + 1 + 1 + 1) = 313.7283464566929

p2 = (580.42 * 4.71 * 1 + 185.19 * 2.45 * 1) / max_coefficients = 206.84490590525633

score = 313.7283464566929 * 0.5 + 206.84490590525633 * 0.5 = 260.2866261809746

Rating changes

Show

all results
Date Place Points Reason
2026-09-01 233 -> 229 260.29
2026-08-31 233 259.95 -> 260.29
2026-08-30 230 -> 233 259.95
2026-08-26 231 -> 230 259.95
2026-08-16 227 -> 231 259.95
2026-08-15 231 -> 227 259.20 -> 259.95
2026-08-14 232 -> 231 259.20
2026-08-13 234 -> 232 259.20
2026-08-04 235 -> 234 259.20
2026-08-03 236 -> 235 259.20

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 580 2026-06-14 61/144 100% 4.71 RR XII Russian Championship Samara
2 185 2026-05-17 23/28 100% 2.45 RR Hatiko under the sakura Korolyov
3 645 2024-05-19 12/32 0% 1.80 CRR "Green Dragon" in the Secret Chamber Korolyov
4 957 2024-03-30 🥉 3/47 0% 2.10 RR Seihoku spring tournament 2024 Saint Petersburg
5 59 2024-03-10 49/52 0% 3.05 RR Agari Spring Tournament 2024 Moscow