1.a3

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Pawn Structure Classification Code (PSCC): 3a-0


Contents

Commentary

  • Adolf Anderssen, in his match against Paul Morphy, played this waiting move three times. Anderssen aimed at transposing, after 1...e5, to something like an O’Kelly Variation of the Sicilian Defense with colors reversed and a tempo ahead. Black cannot simply play as if he were White and attempt to transpose into a Blackmar-Diemer Gambit. The pawn on a3 will prove useful if White chooses the correct defenses to the Blackmar-Diemer Gambit. Both 1...g6 and 1...Nf6 seem to have merit against Anderssen’s Opening although both seem without the spirit of the variations analyzed in this book. 1...f5 can lead to a reversed Bird’s Opening, From’s Gambit.
  • "The move of Pawn to Q. R 3 has been adopted for first move in very important games, it has the highest authority in support of it, being approved by Anderssen, Boden, and Steinitz. No doubt it is perfectly sound and good, but rather slow" (Bird, p. 159).

Computer Analysis

  1. [34] 0.00: 1...Nf6 2.d4 d5 3.Nf3 c5 4.e3 cxd4 5.exd4 Nc6 6.Bd3 Bg4 7.c3 e5 8.dxe5 Nxe5 9.Bb5+ Nc6 10.0–0 Be7 11.Be3 a6 12.Ba4 0–0 13.Nbd2 Re8 14.h3 Bd7 15.Re1 Bd6 16.Bc2 h6 17.Nb3 b6 18.Nbd4 Ne4 19.Nb3 Ne5 20.Nbd4 Nc6 ;
  2. [34] 0.00: 1...d5 2.d4 Nf6 3.Nf3 c5 4.e3 cxd4 5.exd4 Nc6 6.Bd3 Bg4 7.Be3 e6 8.Nbd2 Bd6 9.0–0 0–0 10.h3 Bh5 11.c3 a6 12.Re1 Rc8 13.Qc2 Qc7 14.Bg5 Bg6 15.Bxg6 hxg6 16.Rad1 Rfe8 17.Qd3 Qb6 18.Qc2 Qc7;
  3. [34] 0.02: 1...c5 2.e4 Nc6 3.Nf3 Nf6 4.Nc3 e5 5.Bb5 d6 6.d3 a6 7.Bc4 Be7 8.a4 0–0 9.0–0 h6 10.h3 Bd7 11.Bd2 Rc8 12.Re1 Qc7 13.Nd5 Nxd5 14.Bxd5 Nb4 15.Bb3 Nc6 16.a5 Rfe8 17.Bd5 Nd4 18.Kh1 Nc6 19.b3;
  4. [34] 0.04: 1...e5 2.c4 Nf6 3.Nc3 c6 4.e3 d5 5.d4 exd4 6.exd4 Bd6 7.cxd5 cxd5 8.Bd3 0–0 9.Nb5 Be7 10.Nf3 a6 11.Nc3 Nc6 12.0–0 h6 13.Bf4 Bg4 14.Be5 Be6 15.Rc1 Rc8 16.Re1 Re8 17.h3 Nxe5 18.Nxe5 Bd6;
  5. [34] 0.07: 1...e6 2.c4 d5 3.d4 Nf6 4.Nf3 dxc4 5.e3 b5 6.a4 b4 7.Bxc4 Bb7 8.0–0 c5 9.b3 Be7 10.Qe2 0–0 11.Bb2 cxd4 12.Nxd4 Nbd7 13.Nd2 Nc5 14.Rac1 Qb8 15.f3 Bd6 16.h3 Rd8 17.f4 a5 18.Bb5;
  6. [33] 0.11: 1...a6 2.c4;
  7. [33] 0.15: 1...c6 2.d4 d5 3.Bf4 Bf5 4.e3 Nd7 5.Bd3 Bxd3 6.cxd3 e6 7.Nc3 Ne7 8.Nf3 Ng6 9.Bg3 Be7 10.0–0 0–0 11.h3 a5 12.Rc1 Nh4 13.Bxh4 Bxh4 14.Qb3 b5 15.Ne2 a4 16.Qc3 Rc8 17.Nxh4 Qxh4 18.Qb4;

Continuations

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 c4 d4 e4 f4 g4 h4
a3 pl b3 c3 d3 e3 f3 g3 h3
a2 b2 pl 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
Anderssen’s 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 pl h7
a6 b6 c6 d6 e6 f6 g6 h6 pl
a5 b5 c5 d5 e5 f5 g5 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
Anderssen’s Opening

1.a3














Chess Program

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Description

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Reference(s)

  1. Bird, H. E. The Chess Openings, Considered Critically and Practically (London: Dean, 1877; New York: Lockwood, 1880, 1886) ISBN 9781166986032
  2. Danelishen, Gary (2008), The Final Theory of Chess, Phillidor Press, ISBN 978-0981567709
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