Зоя Костылева: ranking history (TTFR)

Year	Month	Day	Rating	Rank
2021	January	1	17	1798
2020	December	1	17	1778
2020	November	1	17	1749
2020	October	1	17	1686
2020	September	1	17	1670
2020	August	1	17	1669
2020	July	1	17	1669
2020	June	1	17	1669
2020	May	1	17	1667
2020	April	1	17	1666
2020	March	1	17	1484
2020	February	1	17	1079
2019	January	1	17	2268
2018	December	1	17	2232
2018	November	1	17	2137
2018	October	1	17	2077
2018	September	1	17	2021
2018	August	1	17	2008
2018	July	1	17	1999
2018	June	1	17	1968
2018	May	1	17	1872
2018	April	1	17	1648
2018	March	1	17	1406
2018	February	1	17	1143