 Chess historian Edward Winter has noted that Bjelica's books are rife with misspellings and sometimes contain plagiarized material.Bjelica claims to have played a record-breaking 56 games of blindfold chess in a May 25, 1997 simultaneous exhibition (+51 −1 =4) at Igalo, near Herceg Novi.However, Eliot Hearst and John Knott write