var correctchoices=new Array()
correctchoices[1]='f6e4'
correctchoices[2]='a6a4'
correctchoices[3]='c3b1'
correctchoices[4]='d8a5'
correctchoices[5]='f6e4'
correctchoices[6]='g7h6'
correctchoices[7]='d8d4'
correctchoices[8]='g4f3'
correctchoices[9]='f6g4'
correctchoices[10]='b8b2'
var correctanswer=new Array()
correctanswer[1]='Nf6xe4'
correctanswer[2]='Qa6-a4'
correctanswer[3]='Nc3-b1'
correctanswer[4]='Qd8-a5+'
correctanswer[5]='Nf6xe4'
correctanswer[6]='Bg7-h6'
correctanswer[7]='Qd8-d4'
correctanswer[8]='Bg4xf3'
correctanswer[9]='Nf6-g4'
correctanswer[10]='Rb8xb2'