var correctchoices=new Array()
correctchoices[1]='d1f3'
correctchoices[2]='d3e4'
correctchoices[3]='a3b4'
correctchoices[4]='g5f7'
correctchoices[5]='f4d6'
correctchoices[6]='d3h7'
correctchoices[7]='d3b5'
correctchoices[8]='d5f6'
correctchoices[9]='f5h6'
correctchoices[10]='d3h7'
var correctanswer=new Array()
correctanswer[1]='Qd1-f3'
correctanswer[2]='Bd3-e4'
correctanswer[3]='Ba3-b4'
correctanswer[4]='Ng5xf7'
correctanswer[5]='Bf4-d6'
correctanswer[6]='Bd3xh7+'
correctanswer[7]='Bd3-b5+'
correctanswer[8]='Nd5-f6'
correctanswer[9]='Nf5-h6+'
correctanswer[10]='Bd3xh7+'