Tsiporin Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date July 21, 2026 (latest changes July 18, 2026).

48 place (609.59).

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

p1 = (126.32 * 3.85 * 0.14 + 258.43 * 3.75 * 0.29 + 452.38 * 2.60 * 0.57 + 745.10 * 3.05 * 0.57 + 525.42 * 3.25 * 0.57 + 210.53 * 1.50 * 0.71 + 597.01 * 4.10 * 0.86 + 961.04 * 3.45 * 1 + 859.65 * 3.90 * 1 + 314.29 * 2.50 * 1 + 156.86 * 2.30 * 1) / (3.85 * 0.14 + 3.75 * 0.29 + 2.60 * 0.57 + 3.05 * 0.57 + 3.25 * 0.57 + 1.50 * 0.71 + 4.10 * 0.86 + 3.45 * 1 + 3.90 * 1 + 2.50 * 1 + 2.30 * 1) = 572.9306014360208

p2 = (859.65 * 3.90 * 1 + 961.04 * 3.45 * 1 + 597.01 * 4.10 * 0.86 + 745.10 * 3.05 * 0.57) / max_coefficients = 646.2468802390636

score = 572.9306014360208 * 0.5 + 646.2468802390636 * 0.5 = 609.5887408375422

Rating changes

Show

all results
Date Place Points Reason
2026-07-17 50 -> 48 607.95 -> 609.59

HaTiKo: 86% -> 71%
2026-07-14 51 -> 50 607.95
2026-07-12 48 -> 51 607.95
2026-07-07 49 -> 48 607.95
2026-07-01 50 -> 49 602.91 -> 607.95

SPB Riichi Open 2024: 29% -> 14%
2026-06-16 50 602.59 -> 602.91

White Wolf Cup: 71% -> 57%
2026-06-15 49 -> 50 602.14 -> 602.59

13 bloody tiles: 100% -> 86%
2026-06-14 31 -> 49 630.57 -> 602.14
2026-06-13 31 627.44 -> 630.57

Moscow Riichi 2024: 43% -> 29%
2026-06-09 32 -> 31 627.44

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 86% 4.10 RR 13 bloody tiles Perm
7 211 2025-05-17 16/20 71% 1.50 CRR HaTiKo Korolyov
8 525 2025-02-16 29/60 57% 3.25 RR White Wolf Cup Saint Petersburg
9 745 2025-02-02 14/52 57% 3.05 RR Agari Winter Tournament 2025 Moscow
10 452 2025-01-26 24/43 57% 2.60 RR Riichi On Ice Samara
11 258 2024-10-13 67/90 29% 3.75 RR Moscow Riichi 2024 Moscow
12 126 2024-09-01 84/96 14% 3.85 RR SPB Riichi Open 2024 Saint Petersburg