Tsiporin Aleksandr

From Moscow, Russia

Player page

Common russian riichi rating (CRR)

Rating date Sept. 22, 2026 (latest changes Sept. 17, 2026).

61 place (582.81).

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

p1 = (258.43 * 3.75 * 0.14 + 452.38 * 2.60 * 0.43 + 745.10 * 3.05 * 0.43 + 525.42 * 3.25 * 0.43 + 210.53 * 1.50 * 0.57 + 597.01 * 4.10 * 0.71 + 961.04 * 3.45 * 0.86 + 859.65 * 3.90 * 1 + 314.29 * 2.50 * 1 + 156.86 * 2.30 * 1) / (3.75 * 0.14 + 2.60 * 0.43 + 3.05 * 0.43 + 3.25 * 0.43 + 1.50 * 0.57 + 4.10 * 0.71 + 3.45 * 0.86 + 3.90 * 1 + 2.50 * 1 + 2.30 * 1) = 586.9856930229363

p2 = (859.65 * 3.90 * 1 + 961.04 * 3.45 * 0.86 + 597.01 * 4.10 * 0.71 + 745.10 * 3.05 * 0.43) / max_coefficients = 578.6417910447761

score = 586.9856930229363 * 0.5 + 578.6417910447761 * 0.5 = 582.8137420338562

Rating changes

Show

all results
Date Place Points Reason
2026-09-17 61 580.80 -> 582.81

HaTiKo: 71% -> 57%
2026-09-13 62 -> 61 580.80
2026-09-06 59 -> 62 580.80
2026-09-02 60 -> 59 580.80
2026-09-01 64 -> 60 574.69 -> 580.80

SPB Riichi Open 2024: 14% -> 0%
2026-08-31 53 -> 64 593.64 -> 574.69

SPB Riichi Open 2025: 100% -> 86%
2026-08-26 52 -> 53 593.64
2026-08-16 55 -> 52 593.11 -> 593.64

White Wolf Cup: 57% -> 43%
2026-08-15 49 -> 55 602.35 -> 593.11

13 bloody tiles: 86% -> 71%
2026-08-13 51 -> 49 598.56 -> 602.35

Moscow Riichi 2024: 29% -> 14%

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 86% 3.45 RR SPB Riichi Open 2025 Saint Petersburg
6 597 2025-06-15 28/68 71% 4.10 RR 13 bloody tiles Perm
7 211 2025-05-17 16/20 57% 1.50 CRR HaTiKo Korolyov
8 525 2025-02-16 29/60 43% 3.25 RR White Wolf Cup Saint Petersburg
9 745 2025-02-02 14/52 43% 3.05 RR Agari Winter Tournament 2025 Moscow
10 452 2025-01-26 24/43 43% 2.60 RR Riichi On Ice Samara
11 258 2024-10-13 67/90 14% 3.75 RR Moscow Riichi 2024 Moscow
12 126 2024-09-01 84/96 0% 3.85 RR SPB Riichi Open 2024 Saint Petersburg