Zubova Kseniya

From Saint Petersburg, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 2, 2026 (latest changes Sept. 2, 2026).

226 place (265.61).

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

p1 = (480.52 * 3.45 * 0.86 + 216.22 * 3.40 * 1 + 633.33 * 1.70 * 1 + 0 + 0) / (3.45 * 0.86 + 3.40 * 1 + 1.70 * 1 + 1 + 1) = 321.43796432234484

p2 = (480.52 * 3.45 * 0.86 + 633.33 * 1.70 * 1 + 216.22 * 3.40 * 1) / max_coefficients = 209.77936404931864

score = 321.43796432234484 * 0.5 + 209.77936404931864 * 0.5 = 265.60866418583174

Rating changes

Show

all results
Date Place Points Reason
2026-09-01 231 -> 226 265.61
2026-08-31 227 -> 231 276.65 -> 265.61

SPB Riichi Open 2025: 100% -> 86%
2026-08-30 225 -> 227 276.65
2026-08-16 217 -> 225 276.65
2026-08-15 218 -> 217 275.83 -> 276.65
2026-08-14 219 -> 218 275.83
2026-08-04 223 -> 219 275.83
2026-08-02 219 -> 223 275.83
2026-08-01 220 -> 219 275.83
2026-07-26 221 -> 220 275.83

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 633 2026-04-11 12/31 100% 1.70 RR Seihoku spring tournament 2026 Saint Petersburg
2 216 2026-02-23 59/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 481 2025-08-31 41/78 86% 3.45 RR SPB Riichi Open 2025 Saint Petersburg