Tsiporin Aleksandr

From Moscow, Russia

Internal rating (RR)

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

67 place (550.02).

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

p1 = (452.38 * 2.60 * 0.29 + 745.10 * 3.05 * 0.29 + 525.42 * 3.25 * 0.29 + 597.01 * 4.10 * 0.57 + 961.04 * 3.45 * 0.71 + 859.65 * 3.90 * 1 + 314.29 * 2.50 * 1 + 202.70 * 3.40 * 1) / (2.60 * 0.29 + 3.05 * 0.29 + 3.25 * 0.29 + 4.10 * 0.57 + 3.45 * 0.71 + 3.90 * 1 + 2.50 * 1 + 3.40 * 1) = 587.0434095314786

p2 = (859.65 * 3.90 * 1 + 961.04 * 3.45 * 0.71 + 597.01 * 4.10 * 0.57 + 314.29 * 2.50 * 1) / max_coefficients = 512.9987021414667

score = 587.0434095314786 * 0.5 + 512.9987021414667 * 0.5 = 550.0210558364727

Rating changes

Show

all results

Date	Place	Points	Reason
2026-10-31	59 -> 67	570.61 -> 550.02	SPB Riichi Open 2025: 86% -> 71%
2026-10-16	59	569.68 -> 570.61	White Wolf Cup: 43% -> 29%
2026-10-15	55 -> 59	581.05 -> 569.68	13 bloody tiles: 71% -> 57%
2026-10-13	59 -> 55	576.35 -> 581.05	Moscow Riichi 2024: 14% -> 0%
2026-10-02	56 -> 59	584.22 -> 576.35	Agari Winter Tournament 2025: 43% -> 29%
2026-09-26	57 -> 56	582.95 -> 584.22	Riichi On Ice: 43% -> 29%
2026-09-13	58 -> 57	582.95
2026-09-07	57 -> 58	582.95
2026-09-06	51 -> 57	582.95
2026-09-03	53 -> 51	582.95

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Rating	Tournament	City
1	203	2026-02-23	60/75	100%	3.40	RR	White Wolf Cup 2026	Saint Petersburg
2	314	2026-02-08	25/36	100%	2.50	RR	One tsumo until spring	Yekaterinburg
3	860	2025-11-04	9/58	100%	3.90	RR	XI Russian Championship	Moscow
4	961	2025-08-31	4/78	71%	3.45	RR	SPB Riichi Open 2025	Saint Petersburg
5	597	2025-06-15	28/68	57%	4.10	RR	13 bloody tiles	Perm
6	525	2025-02-16	29/60	29%	3.25	RR	White Wolf Cup	Saint Petersburg
7	745	2025-02-02	14/52	29%	3.05	RR	Agari Winter Tournament 2025	Moscow
8	452	2025-01-26	24/43	29%	2.60	RR	Riichi On Ice	Samara
9	258	2024-10-13	67/90	0%	3.75	RR	Moscow Riichi 2024	Moscow
10	126	2024-09-01	84/96	0%	3.85	RR	SPB Riichi Open 2024	Saint Petersburg