var correctchoices=new Array()
correctchoices[1]='c2c3'
correctchoices[2]='d3b5'
correctchoices[3]='f3g5'
correctchoices[4]='f4h6'
correctchoices[5]='d1d6'
correctchoices[6]='d1d4'
correctchoices[7]='g5h6'
correctchoices[8]='d1c1'
correctchoices[9]='e1d1'
correctchoices[10]='f1b5'
var correctanswer=new Array()
correctanswer[1]='c2-c3'
correctanswer[2]='Bd3-b5+'
correctanswer[3]='Nf3-g5'
correctanswer[4]='Qf4-h6+'
correctanswer[5]='Qd1-d6'
correctanswer[6]='Qd1-d4'
correctanswer[7]='Bg5xh6+'
correctanswer[8]='Qd1-c1'
correctanswer[9]='Ke1-d1'
correctanswer[10]='Bf1-b5+'