Puzzle rush challenge
15 թիմակիցներ
26 հնս, 2020 թ.
0 Միջոցառում Խաղացվեց
NM Elijah Logozar is running an experiment to measure the impact of puzzle rush on tactical improvement and calculation speed. If you would like to join the experiment, message @LogoCzar with your name/email/age and he would be happy to add you to the spreadsheet.
