Old Benoni Defence:
Example of a Checkmate Opening win for White's Army

Checkmate in the Opening
White Wins in 9 Moves
[Old Benoni Defence]

Checkmate from the...
Old Benoni Defence
- Overview -

Checkmate Openings - White Wins - Old Benoni Defence Checkmate Win for...

Wins in...
9 Moves

Old Benoni Defence
1. d4 c5

Checkmate Sequence
1. d4 c5 2. d5 e6 3. Nc3 exd5 4. Nxd5 Ne7 5. Bg5 h6 6. Bh4 Qa5+ 7. c3 Nf5 8. Qa4 Qxa4 9. Nc7# 1-0

Black's Game-Losing Mistakes

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

  • 2...e6, creates problems for Black after 3. Nc3, as not capturing White's d-Pawn invites 4. dxe6, and then Black is forced to choose whether capture with 4...dxe6 (5. Qxd8+ Kxd8, losing the option to Castle), or 4...fxe6, which erodes Black's Kingside Pawn defence (if Kingside Castling was Black's intention).

    2...b6, then 3...Bb7; or, 2...Bd6 to block White's e-Pawn from advancing further, might have been better for Black.

  • 3...exd5, captures without having another friendly piece or pawn to defend it, or capture (in the event of a willing exchange of material by White).

    This move lets White's QN develop to d5, protected by Qd1, with adjacent files missing a Pawn to deal with Nd5 (c-Pawn has advanced too far to deal with it; e-Pawn no longer exists, having relocated to the d-file).

  • 6...Qa5+, failure to deal with the closer, collective threat of both Nd5 & Bh4, instead going for a cheap 'check' to take Black's Queen out of the Pin's equation.

    Black might have felt 5...h6 'successfully drove White's dark-Bishop backwards', but Black has done nothing to alter the continued long-range threat to the e7-square, made more severe by Nd5, doubling the pressure!

  • 7...Nf5, "obligingly opens the door" to White's Bh4, which now targets both the e7- and d8-squares. Black is probably expecting White to rescue the dark-Bishop and seems unconcerned about the threat from White's Queen.

  • 8...Qxa4, happy to grab a "free queen", Black plays straight into White's plan of "Removal of the guard" - Black's Queen was the last defender capable of protecting the King, in the current situation. White no longer has anything to prevent Nd5-c7#.

Checkmate Sequence + PGN

Here's how the Old Benoni Defence can lead to a Checkmate Win for White, in the Opening phase:

[Event "Checkmate Opening - Old Benoni Defence"]
[Date "2012.02.01"]
[White "?"]
[Black "?"]
[Result "1-0"]
[PlyCount "17"]

1. d4 c5 {Old Benoni Defence} 2. d5 e6 3. Nc3 exd5 4. Nxd5 Ne7 5. Bg5 h6 6. Bh4 Qa5+ 7. c3 Nf5 8. Qa4 Qxa4 9. Nc7# 1-0

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