var correctchoices=new Array()
correctchoices[1]='a5d8'
correctchoices[2]='e5f3'
correctchoices[3]='b6b2'
correctchoices[4]='d7d1'
correctchoices[5]='d4f3'
correctchoices[6]='b7c6'
correctchoices[7]='h4g3'
correctchoices[8]='g4h2'
correctchoices[9]='b7b4'
correctchoices[10]='d8b6'
var correctanswer=new Array()
correctanswer[1]='Qa5-d8'
correctanswer[2]='Ne5xf3'
correctanswer[3]='Qb6xb2'
correctanswer[4]='Qd7-d1+'
correctanswer[5]='Nd4xf3'
correctanswer[6]='Bb7-c6'
correctanswer[7]='Qh4-g3'
correctanswer[8]='Ng4xh2'
correctanswer[9]='Qb7xb4'
correctanswer[10]='Qd8-b6'