Kripak Aleksandr

From Irkutsk, Russia

Common russian riichi rating (CRR)

Rating date Jan. 14, 2023 (latest changes Jan. 14, 2023).

129 place (79.09).

max_coefficients = (4.20 * 1 + 4.05 * 1 + 3.50 * 1 + 3.45 * 0.86) = 14.706995

p1 = (90.91 * 1.10 * 0.43 + 400 * 1.20 * 0.86 + 90.91 * 1.10 * 1 + 0 + 0) / (1.10 * 0.43 + 1.20 * 0.86 + 1.10 * 1 + 1 + 1) = 120.49400214783542

p2 = (400 * 1.20 * 0.86 + 90.91 * 1.10 * 1 + 90.91 * 1.10 * 0.43) / max_coefficients = 37.687508563102114

score = 120.49400214783542 * 0.5 + 37.687508563102114 * 0.5 = 79.09075535546876

all results

Date	Place	Points	Reason
2023-01-14	125 -> 129	79.09
2023-01-05	124 -> 125	86.44 -> 79.09	Winter tournament: 100% -> 86%
2023-01-03	126 -> 124	110.06 -> 86.44	Summer tournament: 57% -> 43% Winter tournament: 14% -> 0%
2022-12-19	126	109.83 -> 110.06
2022-12-18	124 -> 126	109.83
2022-12-03	124	109.83

#	Base rank	Date	Place	Power	Coefficient	Type	Tournament
1	91	2022-07-09	11/12	100%	1.10	CRR	Summer tournament
2	400	2022-01-05	10/16	86%	1.20	CRR	Winter tournament
3	91	2021-07-03	11/12	43%	1.10	CRR	Summer tournament
4	400	2021-01-03	10/16	0%	1.20	CRR	Winter tournament