411 REFERENCE · Wikibooks
Chess Opening Theory/1. e4/1...e5/2. Bc4/2...Bc5/3. Qh5/3...Nc6
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3...Nc6??
tright 8 rd bd qd kd nd rd 7 pd pd pd pd pd pd pd 6 nd 5 bd pd ql 4 bl pl 3 2 pl pl pl pl pl pl pl 1 rl nl bl kl nl rl a b c d e f g h After 3...Nc6??
The last move for black. He had not seen the threat of 4.Qxf7#.
Theory Table
1. e4 e5 2. Bc4 Bc5 3. Qh5 Nc6??
......
4.Qxf7#
References
Scholars Mate