var correctchoices=new Array()
correctchoices[1]='e1d2'
correctchoices[2]='d2c3'
correctchoices[3]='f1a6'
correctchoices[4]='d2g5'
correctchoices[5]='d3h7'
correctchoices[6]='g5h7'
correctchoices[7]='d1h5'
correctchoices[8]='f1f6'
correctchoices[9]='f1b5'
correctchoices[10]='d6c7'
var correctanswer=new Array()
correctanswer[1]='Ke1xd2'
correctanswer[2]='Qd2-c3'
correctanswer[3]='Bf1xa6'
correctanswer[4]='Bd2-g5'
correctanswer[5]='Bd3xh7+'
correctanswer[6]='Ng5xh7'
correctanswer[7]='Qd1-h5'
correctanswer[8]='Rf1xf6'
correctanswer[9]='Bf1-b5+'
correctanswer[10]='Bd6-c7'