Chess Opening Theory/1. h4/1...a5

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Kádas Opening: Koola-Koola Variation

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This opening is a little-known but strong response to 1.h4. After 2. h5 a4 3. h6 a3 4. hxg7 Bxg7 Black puts pressure on White's queenside.

Kádas Opening: Koola-Koola Variation
a b c d e f g h
8 a8 b8 c8 d8 e8 f8 g8 h8 8
7 a7 b7 c7 d7 e7 f7 g7 h7 7
6 a6 b6 c6 d6 e6 f6 g6 h6 6
5 a5 b5 c5 d5 e5 f5 g5 h5 5
4 a4 b4 c4 d4 e4 f4 g4 h4 4
3 a3 b3 c3 d3 e3 f3 g3 h3 3
2 a2 b2 c2 d2 e2 f2 g2 h2 2
1 a1 b1 c1 d1 e1 f1 g1 h1 1
a b c d e f g h

White's responses

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White has many decent replies.

  • 2.h5 this move is a mistake
  • 2.a4 a strong move that blocks the advance of the a-pawn. after 2...h5 an equal position arises
  • 2.g3 An interesting move, preparing the bishop's exit to g2.

Statistics

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No statistics as 1. h4 a5 is rarely played.