Up to this point White has been following well-known analysis. But now he makes a fatal error: he begins to use his own head
"The bright side of chess". Book by Irving Chernev (p. 114), 1952.
![Up to this point White has been following well-known analysis. But now he makes a fatal error: he begins to use his own head](http://cdn.myquotes.org/images/siegbert-tarrasch/up-to-this-point-white-has-been-following-well-known-analysis-but-now-he-makes-a-fatal-error-he-begins.jpg)
Up to this point White has been following well-known analysis. But now he makes a fatal error: he begins to use his own head