Tsiporin Aleksandr

From Moscow, Russia

Player page

Internal rating (RR)

Rating date Jan. 29, 2026 (latest changes Jan. 26, 2026).

22 place (684.11).

max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95

p1 = (126.32 * 3.85 * 0.57 + 258.43 * 3.75 * 0.71 + 452.38 * 2.60 * 0.86 + 745.10 * 3.05 * 1 + 525.42 * 3.25 * 1 + 597.01 * 4.10 * 1 + 961.04 * 3.45 * 1 + 859.65 * 3.90 * 1) / (3.85 * 0.57 + 3.75 * 0.71 + 2.60 * 0.86 + 3.05 * 1 + 3.25 * 1 + 4.10 * 1 + 3.45 * 1 + 3.90 * 1) = 606.4442676552558

p2 = (859.65 * 3.90 * 1 + 961.04 * 3.45 * 1 + 597.01 * 4.10 * 1 + 745.10 * 3.05 * 1) / max_coefficients = 761.7739130434783

score = 606.4442676552558 * 0.5 + 761.7739130434783 * 0.5 = 684.1090903493671

Rating changes

Show

all results
Date Place Points Reason
2026-01-26 24 -> 22 682.97 -> 684.11

Riichi On Ice: 100% -> 86%
2026-01-25 19 -> 24 682.97
2026-01-12 20 -> 19 682.97
2026-01-07 21 -> 20 682.97
2026-01-01 23 -> 21 677.88 -> 682.97

SPB Riichi Open 2024: 71% -> 57%
2025-12-13 25 -> 23 674.46 -> 677.88

Moscow Riichi 2024: 86% -> 71%
2025-12-07 24 -> 25 674.46
2025-11-30 23 -> 24 674.46
2025-11-04 40 -> 23 610.55 -> 674.46

XI Russian Championship: 0% -> 100%
2025-11-01 42 -> 40 604.42 -> 610.55

SPB Riichi Open 2024: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 860 2025-11-04 9/58 100% 3.90 RR XI Russian Championship Moscow
2 961 2025-08-31 4/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
3 597 2025-06-15 28/68 100% 4.10 RR 13 bloody tiles Perm
4 525 2025-02-16 29/60 100% 3.25 RR White Wolf Cup Saint Petersburg
5 745 2025-02-02 14/52 100% 3.05 RR Agari Winter Tournament 2025 Moscow
6 452 2025-01-26 24/43 86% 2.60 RR Riichi On Ice Samara
7 258 2024-10-13 67/90 71% 3.75 RR Moscow Riichi 2024 Moscow
8 126 2024-09-01 84/96 57% 3.85 RR SPB Riichi Open 2024 Saint Petersburg