Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5

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< Chess Opening Theory‎ | 1. e4‎ | 1...e5‎ | 2. Nf3‎ | 2...Nc6‎ | 3. Bc4‎ | 3...Nf6‎ | 4. Ng5‎ | 4...d5‎ | 5. exd5
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Ulvestad 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
Position in Forsyth-Edwards Notation(FEN)

r1bqkb1r/p1p2ppp/2n2n2/1p1Pp1N1/2B5/8/PPPP1PPP/RNBQK2R

Ulvestad Variation[edit]

5 ... b5.[edit]

The defining move for the Ulvestad Variation. Black challenges the strong bishop on c4 by offering a pawn.

Theory table[edit]

For explanation of theory tables see theory table and for notation see algebraic notation.

1.e4 e5 2.Nf3 Nc6 3.Bc4 Nf6 4.Ng5 d5 5.exd5 b5


Ulvestad Variation

6 7 8 9 10
Bf1
Nd4
c3
Nxd5
Ne4
Qh4
Ng3
Bg4
f3
e4
Bxb5
Qxd5
Nc3
Qxg2
Qf3
Qxf3
Nxf3
Bd7
O-O
Bd6
=
dxc6
bxc4
Qe2
Qd5
f4
Qxc6
fxe5
Bg4
Nf3
O-O-O
=

Estimated next move likelihood[edit]

Bf1 62%, Bxb5 28%, dxc6 6%, Bb3 2%, Qe2 1%

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References[edit]

  • Nunn's Chess Openings. 1999. John Nunn (Editor), Graham Burgess, John Emms, Joe Gallagher. ISBN 1-8574-4221-0.