Zubova Kseniya

From Saint Petersburg, Russia

Player page

Internal rating (RR)

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

166 place (275.83).

max_coefficients = (4.71 * 1 + 3.90 * 1 + 4.10 * 0.86 + 3.45 * 1) = 15.574109999999997

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 = 222.77998550157926

score = 328.872037914692 * 0.5 + 222.77998550157926 * 0.5 = 275.82601170813564

Rating changes

Show

all results
Date Place Points Reason
2026-07-01 167 -> 166 275.83
2026-06-27 169 -> 167 275.83
2026-06-15 170 -> 169 271.79 -> 275.83
2026-06-14 151 -> 170 281.26 -> 271.79
2026-06-13 150 -> 151 281.26
2026-06-09 151 -> 150 281.26
2026-06-04 153 -> 151 281.26
2026-06-02 154 -> 153 281.26
2026-05-26 155 -> 154 281.26
2026-05-17 153 -> 155 281.26

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