{"subject":"chess","constraint":"opening_blunders","name":"blunders in moves 1-10","metric":0.0033333333333333335,"target":0.0007,"band":3400,"games":30,"examples":[{"url":"https://www.chess.com/game/live/186165432764","end":1793289303,"me_white":true,"tc":"180","movenum":10,"ply":18,"eval_before":21,"eval_after":-514,"loss":535,"san":"O-O","fen_before":"rn1q1rk1/p2pbpp1/bp2pn1p/8/3P1B2/2PB1N2/PP1N1PPP/R2QK2R w KQ - 2 10","spent":0.30000000000001137,"clk":170.6,"pieces":30,"result":"agreed"}],"lower":true,"what":"share of your moves 1-10 that were blunders","skipped":false,"shortfall":0,"carried":[],"broken":false,"next":null,"site":"chesscom","username":"hikaru","time_class":"blitz","default_time_class":"blitz","rating":3453,"writeup":"","verdict":"below"}