Chess Opening Theory/1. e4/1...e5/2. f4/2...Bc5/3. fxe5

{{Chess Position|= |rd|nd|bd|qd|kd| |nd|rd|= |pd|pd|pd|pd| |pd|pd|pd|= | |  |  |  |  |  |  |  |=   |  |  |bd|  |pl|  |  |  |= | |  |  |  |pl|  |  |  |= | |  |  |  |  |  |  |  |=   |pl|pl|pl|pl|  |  |pl|pl|= |rl|nl|bl|ql|kl|bl|nl|rl|=
 * Parham Attack|

Black to move and win
}} =King's Gambit declined=

3.fxe5??
This move is a well known blunder, since black can now win a whole rook. Qh4+ g3 (Ke2 Qxe4#) Qe4+ picking up a whole rook and the game.