This table show all leagues (past and present) of the Open Study Room. Open leagues are green.
Begin time End time Name Type # Divisions # Players # games
04/30/2018 05/31/2018 May Dan League dan 1 5 1
04/30/2018 07/31/2018 5th OSR Meijin meijin 1 93 109
04/30/2018 05/31/2018 May OSR League ladder 1 54 97
04/30/2018 05/31/2018 May DDK League ddk 1 26 20
03/31/2018 04/30/2018 April OSR League ladder 1 70 117
03/31/2018 04/30/2018 April DDK League ddk 1 33 27
03/31/2018 04/30/2018 April Dan League ladder 1 11 8
02/28/2018 03/30/2018 March DDK League ddk 1 24 30
02/28/2018 03/30/2018 March OSR League ladder 1 71 181
01/31/2018 04/30/2018 4th OSR Meijin meijin 1 156 474
01/31/2018 02/28/2018 February DDK league ddk 1 10 5
01/31/2018 02/28/2018 February OSR league ladder 1 33 106
12/31/2017 01/30/2018 January OSR Ladder ladder 2 25 32
12/31/2017 01/30/2018 January DDK League ddk 1 10 4
11/30/2017 12/31/2017 December OSR ladder ladder 2 36 27
11/30/2017 12/31/2017 December DDK league ddk 1 14 12
10/31/2017 01/31/2018 3rd OSR Meijin meijin 1 98 132
10/31/2017 11/30/2017 November OSR Ladder ladder 3 61 47
10/31/2017 11/30/2017 November DDK League ddk 1 26 23
09/30/2017 10/31/2017 October OSR Ladder ladder 2 87 107
09/30/2017 10/31/2017 October DDK League ddk 1 23 25
08/31/2017 09/30/2017 September OSR ladder ladder 2 47 55
08/31/2017 09/30/2017 DDK league ddk 1 14 18
07/31/2017 08/31/2017 August OSR ladder ladder 2 28 22
07/31/2017 10/31/2017 2nd OSR Meijin league 1 71 161
06/30/2017 07/31/2017 July OSR ladder ladder 3 37 20
05/31/2017 06/30/2017 June OSR ladder ladder 3 51 54
04/30/2017 05/30/2017 May OSR ladder ladder 3 46 48
04/29/2017 07/31/2017 OSR Meijin league 1 49 99
04/01/2017 04/30/2017 April OSR ladder ladder 2 69 79
03/01/2017 03/31/2017 March OSR ladder ladder 2 86 64
02/18/2017 02/28/2017 First OSR ladder ladder 1 55 12