Questions tagged [poisoned-pawn]

In the opening, a pawn is called poisoned if its capture could lead to severe problems, often a disadvantage in development. The best known example is the Poisoned Pawn variation of the Sicilian Najdorf.

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Poison Qb2 and prerequisites for Vaganian

What does black achieve with 1.d4 c6? Contributor mentions 1. d4 c6 2. Bf4 Qb6. Database shows few such openings, all responding 3.b3 with white winning no matches. Should white offer Qxb2 poison? ...
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Is the Poisoned Pawn variation of the Najdorf (7... Qb6) considered some sort of refutation of 6.Bg5?

As title above, is the Poisoned Pawn variation of the Najdorf considered some sort of refutation of 6.Bg5, and the reason why 6.Bg5 is rarely seen at top level these days?
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What is the most controversial opening or variation?

I often read that the Sicilian Sveshnikov is "the most controversial of all chess openings", then I read the same for the Sicilian Poisoned Pawn... and then same for the Botvinnik Variation of Semi-...
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