Essen Aleksandr

From Saint Petersburg, Russia

Player page

Internal rating (RR)

Rating date July 5, 2026 (latest changes July 3, 2026).

108 place (406.00).

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

p1 = (714.29 * 3.45 * 1 + 716.22 * 3.40 * 1 + 0 + 0 + 0) / (3.45 * 1 + 3.40 * 1 + 1 + 1 + 1) = 497.4040609137056

p2 = (714.29 * 3.45 * 1 + 716.22 * 3.40 * 1) / max_coefficients = 314.5881209263323

score = 497.4040609137056 * 0.5 + 314.5881209263323 * 0.5 = 405.99609092001896

Rating changes

Show

all results
Date Place Points Reason
2026-07-01 109 -> 108 406.00
2026-06-15 109 400.29 -> 406.00
2026-06-14 88 -> 109 413.67 -> 400.29
2026-06-13 90 -> 88 413.67
2026-06-02 89 -> 90 413.67
2026-05-12 91 -> 89 413.67
2026-05-03 91 412.56 -> 413.67
2026-05-02 92 -> 91 412.56
2026-05-01 91 -> 92 412.56
2026-04-27 92 -> 91 412.56

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 716 2026-02-23 22/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
2 714 2025-08-31 23/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg