var correctchoices=new Array()
correctchoices[1]='b5d3'
correctchoices[2]='f4d5'
correctchoices[3]='d3b5'
correctchoices[4]='g3d6'
correctchoices[5]='g5f7'
correctchoices[6]='g3g7'
correctchoices[7]='d3h7'
correctchoices[8]='f1f6'
correctchoices[9]='b5c6'
correctchoices[10]='b5d6'
var correctanswer=new Array()
correctanswer[1]='Bb5-d3'
correctanswer[2]='Nf4xd5'
correctanswer[3]='Qd3-b5+'
correctanswer[4]='Bg3-d6'
correctanswer[5]='Ng5xf7'
correctanswer[6]='Rg3xg7'
correctanswer[7]='Bd3xh7+'
correctanswer[8]='Rf1xf6'
correctanswer[9]='Bb5xc6'
correctanswer[10]='Nb5-d6+'