1.b4

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Pawn Structure Classification Code (PSCC): 4b-0.


Contents

Commentary

  • The move ‘1.b4’ is also know as the Orangutan or the Sokolsky Opening. The name Polish Opening comes from it’s similarity to the Polish Defense (“1.d4 b5”). Alexei Pavlovich Sokolsky wrote a monograph on this opening entitled Debyut 1 b2-b4 in 1963 which led to his name being included as a name for this opening. Perhaps the most curious name for this strange opening is “the Orangutan.” Savielly Tartakower wrote in his book My Best Games, “This move, which has so bizarre an aspect, occupies a place of honour amongst the `freak' openings. Later, at the New York Tournament of 1924, I termed this the `Orangutang' Opening, not only because I employed it there against Maroczy -- after a previous consultation with a young orangutan (during a visit by all the masters to the New York Zoo on the eve of the game in question) but also since the climbing movement of the pawn to b4 and then b5 is reminiscent of that inventive animal. The name has stuck." Before the 1924 game against Maroczy, Tartakower had played the opening against Richard Réti, and Arpad Vajda. He employed the Orangutan against Edgar Colle two years later in 1926. Before Tartakower’s use of the opening, Nikolai Vasilyevich Bugayev(1837-1903) published analysis of the opening in Shakhmatnoye Obozreniye around the turn of the century.

Computer Analysis

  1. [31] –0.34: 1...e5 2.Bb2 Bxb4 3.Bxe5 Nf6 4.e3 0–0 5.Nc3 d5 6.Rb1 Be7 7.Bd3 Nbd7 8.Bg3 Nc5 9.Nf3 Nfe4 10.Bxe4 Nxe4 11.Nxe4 dxe4 12.Nd4 b6 13.Nc6 Qd7 14.Nxe7+ Qxe7 15.0–0 Be6 16.Ra1 f6 17.d3 Rad8 18.h3 c5 19.a4 exd3;
  2. [31] –0.22: 1...d5 2.Nf3 Nf6 3.e3 e5 4.Nxe5 Bxb4 5.Be2 0–0 6.Bb2 Nbd7 7.0–0 Nxe5 8.Bxe5 c6 9.Bb2 Bd6 10.d3 Re8 11.Nd2 b5 12.Nb3 Rb8 13.Nd4 Qc7 14.Nf3 Bb7 15.Bxf6 gxf6 16.d4 a5 17.Rb1;
  3. [31] –0.21: 1...Nf6 2.Nf3 d5 3.e3 e5 4.Nxe5 Bxb4 5.Be2 0–0 6.0–0 Bd6 7.Bb2 c5 8.d3 Nc6 9.Nf3 b5 10.Nbd2 Rb8 11.c4 bxc4 12.Bxf6 Qxf6 13.dxc4 d4 14.Qa4 dxe3 15.fxe3 Ne5 16.Ne4 Qe7 17.Nxd6 Qxd6;
  4. [31] –0.13: 1...e6 2.a3 b6 3.Nf3 Nf6 4.c4 c5 5.bxc5 bxc5 6.g3 Be7 7.Bg2 0–0 8.0–0 Nc6 9.Qa4 Rb8 10.d3 h6 11.Nc3 Rb6 12.e4 d5 13.exd5 exd5 14.Bf4 d4 15.Nb5 Ra6 16.Qc2 Be6 17.Rab1;
  5. [31] –0.09: 1...c6 2.Nf3 d5 3.a3 Nf6 4.e3 Bf5 5.Be2 e6 6.0–0 Bd6 7.c4 dxc4 8.Bxc4 0–0 9.Bb2 Nbd7 10.Be2 e5 11.d3 a5 12.Nbd2 axb4 13.Nc4 Be7 14.axb4 Rxa1 15.Qxa1 Bxb4 16.Ncxe5 Nxe5 17.Nxe5;
  6. [31] –0.06: 1...b6 2.a3 e6 3.Nf3 Nf6 4.c4 c5 5.bxc5 bxc5 6.g3 d5 7.Bg2 Bd6 8.d3 Nbd7 9.Nc3 Bb7 10.0–0 Bc6 11.Nb5 Be7 12.Rb1 dxc4 13.dxc4 0–0 14.Bf4 h6 15.Nd6 g5 16.Nxg5 hxg5 17.Bxc6 gxf4 18.Bxa8;
  7. [31] –0.06: 1...d6 2.e3 e5 3.a3 Nf6 4.d4 exd4 5.exd4 d5 6.Nf3 a5 7.b5 Bd6 8.c4 dxc4 9.Bxc4 0–0 10.0–0 Bf5 11.Nc3 Nbd7 12.Re1 Re8 13.Bb3 h6 14.Bb2 Rxe1+ 15.Nxe1 Qb8 16.h3 Nb6 17.Qf3 Bg6 18.a4 Nbd7 19.g3;

Continuations

  • 1...c5 (Birmingham Gambit, Polish)
  • 1...c6 (Outflank Variation, Polish)
  • 1...d5
  • 1...e5
  • 1...f5
  • 1...Na6 (Bucker Defense, Polish)
  • 1...Nc6 (Grigorian Variation, Polish)
  • 1...Nf6
  • 1...Nh6 (Karniewski; Tubingen Variation, Polish)
Image:chess zhor 26.png
Image:chess zver 26.png a8 rd b8 nd c8 bd d8 qd e8 kd f8 bd g8 nd h8 rd Image:chess zver 26.png
a7 pd b7 pd c7 pd d7 pd e7 pd f7 pd g7 pd h7 pd
a6 b6 c6 d6 e6 f6 g6 h6
a5 b5 c5 d5 e5 f5 g5 h5
a4 b4 pl c4 d4 e4 f4 g4 h4
a3 b3 c3 d3 e3 f3 g3 h3
a2 pl b2 c2 pl d2 pl e2 pl f2 pl g2 pl h2 pl
a1 rl b1 nl c1 bl d1 ql e1 kl f1 bl g1 nl h1 rl
Image:chess zhor 26.png
Polish Opening
Image:Chess_zhor_27_2.PNG
Image:Chess_zver_27_2.PNG a8 rl b8 nl c8 bl d8 kl e8 ql f8 bl g8 nl h8 rl Image:Chess_zver_27_2.PNG
a7 pl b7 pl c7 pl d7 pl e7 pl f7 pl g7 h7 pl
a6 b6 c6 d6 e6 f6 g6 h6
a5 b5 c5 d5 e5 f5 g5 pl h5
a4 b4 c4 d4 e4 f4 g4 h4
a3 b3 c3 d3 e3 f3 g3 h3
a2 pd b2 pd c2 pd d2 pd e2 pd f2 pd g2 pd h2 pd
a1 rd b1 nd c1 bd d1 kd e1 qd f1 bd g1 nd h1 rd
Image:Chess_zhor_27_2.PNG
Polish Opening

1.b4














Chess Program

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Description

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Reference(s)

  1. Danelishen, Gary (2008), The Final Theory of Chess, Phillidor Press, ISBN 978-0981567709
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