Astafev Mikhail

Common russian riichi rating (CRR)

Rating date March 14, 2025 (latest changes March 10, 2025).

146 place (292.73).

max_coefficients = (4.60 * 1 + 3.85 * 1 + 3.75 * 1 + 3.65 * 1) = 15.85

p1 = (678.16 * 3.75 * 0.29 + 368.42 * 2.10 * 0.43 + 252.34 * 4 * 0.43 + 592.59 * 2.30 * 0.57 + 629.63 * 2.30 * 0.86 + 333.33 * 1.60 * 1 + 212.77 * 2.80 * 1 + 202.53 * 3.65 * 1 + 354.84 * 2.40 * 1) / (3.75 * 0.29 + 2.10 * 0.43 + 4 * 0.43 + 2.30 * 0.57 + 2.30 * 0.86 + 1.60 * 1 + 2.80 * 1 + 3.65 * 1 + 2.40 * 1) = 357.64665094078333

p2 = (629.63 * 2.30 * 0.86 + 354.84 * 2.40 * 1 + 592.59 * 2.30 * 0.57 + 202.53 * 3.65 * 1) / max_coefficients = 227.81451104100944

score = 357.64665094078333 * 0.5 + 227.81451104100944 * 0.5 = 292.7305809908964

Rating changes

Show

all results

Date	Place	Points	Reason
2025-03-05	143 -> 146	301.05 -> 292.73	Finding Dora: 71% -> 57%
2025-03-03	147 -> 143	299.34 -> 301.05	SPB Riichi Open 2023: 57% -> 43%
2025-03-02	160 -> 147	266.95 -> 299.34	Riichi Maslenitsa (shrovetide): 0% -> 100%
2025-02-27	160	267.43 -> 266.95	13 tiles until tempai: 57% -> 43%
2025-02-25	156 -> 160	276.50 -> 267.43	Chasing Kan: 100% -> 86%
2025-02-22	159 -> 156	276.50
2025-02-16	150 -> 159	276.50
2025-02-11	144 -> 150	292.54 -> 276.50	Money can not buy tenpai: 43% -> 29%
2025-02-02	139 -> 144	292.54
2025-01-26	135 -> 139	292.54

Tournaments

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	355	2025-03-02	21/32	100%	2.40	RR	Riichi Maslenitsa (shrovetide)
2	203	2024-08-04	64/80	100%	3.65	RR	Riichi over Volga
3	213	2024-07-14	38/48	100%	2.80	RR	Guardian of the Winds
4	103	2024-05-12	97/108	100%	4.60	RR	X Russian Championship
5	333	2024-05-05	11/16	100%	1.60	CRR	Akademgorodok: Riichi Mahjong Tournament 2024
6	630	2024-02-25	11/28	86%	2.30	CRR	Chasing Kan
7	593	2023-11-05	12/28	57%	2.30	CRR	Finding Dora
8	252	2023-09-03	81/108	43%	4.00	RR	SPB Riichi Open 2023
9	368	2023-08-27	13/20	43%	2.10	CRR	13 tiles until tempai
10	678	2023-06-11	29/88	29%	3.75	RR	Money can not buy tenpai