Tsiporin Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

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

30 place (639.23).

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

p1 = (126.32 * 3.85 * 0.29 + 258.43 * 3.75 * 0.43 + 452.38 * 2.60 * 0.71 + 745.10 * 3.05 * 0.71 + 525.42 * 3.25 * 0.71 + 210.53 * 1.50 * 0.86 + 597.01 * 4.10 * 1 + 961.04 * 3.45 * 1 + 859.65 * 3.90 * 1 + 314.29 * 2.50 * 1 + 156.86 * 2.30 * 1) / (3.85 * 0.29 + 3.75 * 0.43 + 2.60 * 0.71 + 3.05 * 0.71 + 3.25 * 0.71 + 1.50 * 0.86 + 4.10 * 1 + 3.45 * 1 + 3.90 * 1 + 2.50 * 1 + 2.30 * 1) = 555.2836895629962

p2 = (859.65 * 3.90 * 1 + 961.04 * 3.45 * 1 + 597.01 * 4.10 * 1 + 745.10 * 3.05 * 0.71) / max_coefficients = 723.1818181818184

score = 555.2836895629962 * 0.5 + 723.1818181818184 * 0.5 = 639.2327538724073

Rating changes

Show

all results
Date Place Points Reason
2026-05-17 30 637.85 -> 639.23

HaTiKo: 100% -> 86%
2026-05-07 31 -> 30 637.85
2026-05-03 33 -> 31 635.44 -> 637.85
2026-05-02 34 -> 33 635.44
2026-05-01 35 -> 34 631.15 -> 635.44

SPB Riichi Open 2024: 43% -> 29%
2026-04-16 35 631.00 -> 631.15

White Wolf Cup: 86% -> 71%
2026-04-13 36 -> 35 628.30 -> 631.00

Moscow Riichi 2024: 57% -> 43%
2026-04-11 35 -> 36 628.30
2026-04-05 33 -> 35 628.30
2026-04-02 32 -> 33 640.72 -> 628.30

Agari Winter Tournament 2025: 86% -> 71%

Tournaments

# Base rank Date Place Power Coefficient Rating Tournament City
1 157 2026-03-14 44/52 100% 2.30 CRR "Furin" club tournament: for the anniversary Moscow
2 203 2026-02-23 60/75 100% 3.40 RR White Wolf Cup 2026 Saint Petersburg
3 314 2026-02-08 25/36 100% 2.50 RR One tsumo until spring Yekaterinburg
4 860 2025-11-04 9/58 100% 3.90 RR XI Russian Championship Moscow
5 961 2025-08-31 4/78 100% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
6 597 2025-06-15 28/68 100% 4.10 RR 13 bloody tiles Perm
7 211 2025-05-17 16/20 86% 1.50 CRR HaTiKo Korolyov
8 525 2025-02-16 29/60 71% 3.25 RR White Wolf Cup Saint Petersburg
9 745 2025-02-02 14/52 71% 3.05 RR Agari Winter Tournament 2025 Moscow
10 452 2025-01-26 24/43 71% 2.60 RR Riichi On Ice Samara
11 258 2024-10-13 67/90 43% 3.75 RR Moscow Riichi 2024 Moscow
12 126 2024-09-01 84/96 29% 3.85 RR SPB Riichi Open 2024 Saint Petersburg