Essen Aleksandr

From Saint Petersburg, Russia

Player page

Internal rating (RR)

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

90 place (455.83).

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

p1 = (714.29 * 3.45 * 0.71 + 716.22 * 3.40 * 1 + 677.42 * 1.80 * 1 + 0 + 0) / (3.45 * 0.71 + 3.40 * 1 + 1.80 * 1 + 1 + 1) = 560.2796260684257

p2 = (716.22 * 3.40 * 1 + 714.29 * 3.45 * 0.71 + 677.42 * 1.80 * 1) / max_coefficients = 351.37767683322517

score = 560.2796260684257 * 0.5 + 351.37767683322517 * 0.5 = 455.8286514508254

Rating changes

Show

all results
Date Place Points Reason
2026-11-02 91 -> 90 455.83
2026-10-31 87 -> 91 470.98 -> 455.83

SPB Riichi Open 2025: 86% -> 71%
2026-10-15 88 -> 87 470.98
2026-10-13 89 -> 88 470.98
2026-10-03 90 -> 89 470.98
2026-10-02 91 -> 90 470.98
2026-09-06 89 -> 91 470.98
2026-09-01 90 -> 89 470.98
2026-08-31 84 -> 90 485.16 -> 470.98

SPB Riichi Open 2025: 100% -> 86%
2026-08-16 82 -> 84 485.16

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 677 2026-07-25 11/32 100% 1.80 RR Seihoku Summer Tournament 2026 Saint Petersburg
2 716 2026-02-23 22/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 714 2025-08-31 23/78 71% 3.45 RR SPB Riichi Open 2025 Saint Petersburg