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词条 Baltic Defense
释义

  1. White responses

     3.Nf3 e6  3.Qb3  3.cxd5 (Main line)  3.Nc3 

  2. See also

  3. References

  4. Further reading

{{For|the Baltic Opening (1.Nc3)|Dunst Opening}}{{Infobox chess opening
|openingname = Baltic Defense
|image = {{Chess diagram
|
|
|rd|nd| |qd|kd|bd|nd|rd
|pd|pd|pd| |pd|pd|pd|pd
| | | | | | | |
| | | |pd| |bd| |
| | |pl|pl| | | |
| | | | | | | |
|pl|pl| | |pl|pl|pl|pl
|rl|nl|bl|ql|kl|bl|nl|rl
}}
|moves = 1.d4 d5 2.c4 Bf5
|ECO = D06
|birth =
|nameorigin = Paul Keres
|parentopening = Queen's Gambit
|AKA = Grau Defense
Sahovic Defense
|chessgid = 432487&move=3&moves=d4.d5.c4.Bf5&nodes=10703.75972.75973.432487
}}

The Baltic Defense (also known as the Grau Defense, or the Sahovic Defense) is a chess opening characterized by the moves:

1. d4 d5

2. c4 Bf5!?

The Baltic is an unusual variation of the Queen's Gambit Declined (QGD). In most defenses to the QGD, Black has difficulties developing his queen bishop. This opening takes a radical approach to the problem by bringing out the queen bishop immediately.

The Baltic has not found widespread acceptance among chess masters, but some world-class players have used it including grandmasters Paul Keres and Alexei Shirov.

The ECO code for the Baltic Defense is D06.

{{algebraic notation|pos=tocleft}}

White responses

White has a number of replies to this opening, including 3.Nf3, 3.Qb3, 3.cxd5, and 3.Nc3. Play might continue:

3.Nf3 e6

  • 4.Qb3 Nc6
  • 4.e3 Nf6 5.Qb3 Nc6
  • 4.Nc3 Nf6 5.Qb3 Nc6
  • 4.cxd5 exd5 5.Qb3 Nc6

3.Qb3

3...e5 4.Qxb7 Nd7 5.Nf3 Rb8 6.Qxd5 Bb4+ 7.Nfd2 (7.Bd2{{chesspunc|??}} Ne7{{chesspunc|−+}} Webb–Sinclair, England 1971) Ne7 8.Qf3 exd4 and Black has development and initiative for his pawn.

3.cxd5 (Main line)

3...Bxb1 4.Qa4+ Qd7 5.Qxd7+ Nxd7 6.Rxb1 Ngf6 7.Nf3

3.Nc3

3...e6 4.Qb3{{chesspunc|?!}} (4.Nf3) Nc6 5.cxd5 exd5 6.Qxd5 (this is a mistake, as Black has 6...Nxd4, winning) Qxd5 7.Nxd5 0-0-0{{chesspunc|−+}}

See also

  • Keres Defence (1.d4 e6 2.c4 Bb4{{chessAN|+}})
  • List of chess openings
  • List of chess openings named after places

References

  • {{citation

| last=Nunn | first=John | authorlink=John Nunn
| year=1999 | title=Nunn's Chess Openings
| publisher=Everyman Chess
| isbn=1-85744-221-0
| pages=
}}
  • Polugajewski, Lev (1984), Damengambit, Tschigorin System bis Tarrasch-Verteidigung, Sportverlag Berlin

Further reading

{{wikibooks|Chess Opening Theory|1. d4/1...d5/2. c4/2...Bf5|Baltic Defense}}
  • Baltic Defense to the Queens Gambit, by Andrew Soltis, Chess Digest, {{ISBN|0-87568-228-6}}.
  • Keres Defence, by Giovanni Falchetta, 1992, {{ISBN|88-86127-07-3}}.
{{chess|state=collapsed}}

1 : Chess openings

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