var correctchoices=new Array()
correctchoices[1]='d4b3'
correctchoices[2]='g5f7'
correctchoices[3]='c3b5'
correctchoices[4]='d5c6'
correctchoices[5]='c1h6'
correctchoices[6]='d4e6'
correctchoices[7]='h1h8'
correctchoices[8]='c3d5'
correctchoices[9]='d1d8'
correctchoices[10]='f3e5'
var correctanswer=new Array()
correctanswer[1]='Nd4-b3'
correctanswer[2]='Ng5xf7'
correctanswer[3]='Nc3-b5'
correctanswer[4]='d5xc6'
correctanswer[5]='Bc1-h6'
correctanswer[6]='Nd4xe6'
correctanswer[7]='Rh1-h8+'
correctanswer[8]='Nc3xd5'
correctanswer[9]='Rd1-d8+'
correctanswer[10]='Nf3xe5'