var correctchoices=new Array()
correctchoices[1]='f8b4'
correctchoices[2]='f8f1'
correctchoices[3]='g7g5'
correctchoices[4]='d6h2'
correctchoices[5]='c8c1'
correctchoices[6]='c6b4'
correctchoices[7]='a6b5'
correctchoices[8]='c5f2'
correctchoices[9]='a5e5'
correctchoices[10]='d8a5'
var correctanswer=new Array()
correctanswer[1]='Bf8xb4+'
correctanswer[2]='Rf8-f1+'
correctanswer[3]='g7-g5'
correctanswer[4]='Bd6xh2+'
correctanswer[5]='Rc8-c1+'
correctanswer[6]='Nc6-b4'
correctanswer[7]='a6xb5'
correctanswer[8]='Bc5xf2+'
correctanswer[9]='Qa5-e5'
correctanswer[10]='Qd8-a5+'