2017年8月19日 · Both moves (a5 and b5) share the same idea: gaining space on the queenside, with tempo. The move a5 doesn't attack anything but threatens to trap the bishop. The move b5 has a deep tactical refutation involving a (temporary) queen sacrifice:

2023年11月18日 · The Corn Stalk Defence, also known as the Ware Defence or Corn Stalks, is a rare chess opening with the moves: 1. e4 a5?! It is generally regarded as a dubious response to 1. e4, as it does nothing to aid in Black's development, allows White a free hand in the center, and weakens the b5 and b6 squares.

2009年3月25日 · It's known by at least three names, the Ware Defense, "Corn Stalks", or the Snagkeouss Defense. The Snagkeouss is slightly more detailed, with the extra move: 1.e4 a5 2.d4 Nc6. (- taken from Bill Wall's "ECO codes with names", http://www.geocities.com/siliconvalley/lab/7378/eco.htm) ok thanks.

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2019年5月24日 · Black pretty much is forced to respond with a6 or a5, and both create some opportunities for white. a5 makes it hard for black to defend b6, because the knight is blocking it (whereas the same is not true for white) and a6 allows white the option of pushing a5 themselves.

2022年10月19日 · The fact that a5 is possible here (and isn't too slow) basically allows black to achieve a reasonably positionally sound setup for reasons outlined by other commenters -- slowing down white's queenside break considerably and ensuring that a knight posted on c5 (via a6) can't be easily shooed away -- which is why the Petrosian simply can't be ...

2025年3月12日 · Playing a4 or for black a5 is very common in the italian game. White threatens to expand with d4 or b4, attacking the Bc5. With a5 the move b4 would blunder a pawn, and meanwhile you also create a safe haven for the Bc5 on a7.

2025年1月5日 · The reason I prefer a5 over axb5 is that my next move is going to be Bb6 attacking the rook on d8 followed by Qxb5 and then I will have connected passed pawns and have the extra pawn. Probably black's best response is to sacrifice the exchange for a pawn with RxB followed by Qxb6+ with tempo.

2021年10月1日 · Chess Openings: Learn to Play 1. ...a5!? Against the Polish Opening / Orangutan Opening! The Polish Opening (also called the Orangutan Opening) is a chess opening for white that starts off with...

I always wonder why engine suggests a5 move. What is the real purpose behind this move. Anybody please help. Move 6 engine suggests a5 for black.