Zubova Kseniya

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date May 23, 2026 (latest changes May 17, 2026).

155 place (281.26).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.45 * 1 + 3.40 * 1) = 14.85

p1 = (480.52 * 3.45 * 1 + 216.22 * 3.40 * 1 + 633.33 * 1.70 * 1 + 0 + 0) / (3.45 * 1 + 3.40 * 1 + 1.70 * 1 + 1 + 1) = 328.872037914692

p2 = (480.52 * 3.45 * 1 + 633.33 * 1.70 * 1 + 216.22 * 3.40 * 1) / max_coefficients = 233.64309764309763

score = 328.872037914692 * 0.5 + 233.64309764309763 * 0.5 = 281.2575677788948

Rating changes

Show

all results
Date Place Points Reason
2026-05-17 153 -> 155 281.26
2026-05-14 154 -> 153 281.26
2026-05-12 161 -> 154 281.26
2026-05-03 158 -> 161 280.48 -> 281.26
2026-05-01 161 -> 158 280.48
2026-04-19 157 -> 161 280.48
2026-04-16 158 -> 157 280.48
2026-04-13 160 -> 158 280.48
2026-04-11 185 -> 160 201.50 -> 280.48

Seihoku spring tournament 2026: 0% -> 100%
2026-04-05 179 -> 185 201.50

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 41/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg