Petrov's Defence:
Example of a Checkmate Opening win for Black's Army

Checkmate in the Opening
Black Wins in 8 Moves
[Petrov's Defence]

Checkmate from...
Petrov's Defence
- Overview -

Checkmate Openings - Black Wins - Petrov's Defence

Checkmate Win for...
Black

Wins in...
8 Moves

Petrov's Defence
1. e4 e5 2. Nf3 Nf6

Checkmate Sequence
1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 Bc5 6. Bg5 Nxe4 7. Bxd8 Bxf2+ 8. Ke2 Bg4# 0-1

White's Game-Losing Mistakes

White's game-losing mistakes appear to be ...

3. Nxe5, this early Knight attack leads swiftly into a second capturing opportunity that proves too much of a temptation to the over-committed Knight.

This is one-too many moves by the same Piece, which neglects development of White's other Pawns and Pieces.

6. Bg5, appears to be a good move, at first (inexperienced) glance. However, White possibly falls for the classic beginner's mistake of thinking the Queen to be vital to success and loss of the Queen should be avoided at all cost.

Black exploits this perfectly, with 6...Nxe4!

The other mistake in playing 6. Bg5 is it develops the dark-Bishop without any protection whatsoever, leaving White with the forced choice of capturing the Queen or losing the Bishop.

From 6...Nxe4, White is virtually powerless to prevent Black's remaining, game-winning moves.

Checkmate Sequence + PGN

Here's how Petrov's Defence can lead to a Checkmate Win for Black, in the Opening phase:

PGN

[Event "Checkmate Opening - Petrov's Defence"]
[Date "2012.02.02"]
[White "?"]
[Black "?"]
[Result "0-1"]
[PlyCount "16"]

1. e4 e5 2. Nf3 Nf6 {Petrov's Defence} 3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 Bc5 6. Bg5 Nxe4 7. Bxd8 Bxf2+ 8. Ke2 Bg4# 0-1

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