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- Chess Opening Theory/1. e4/1...e5/2. Nf3/2...Nc6/3. Bc4/3...Nf6/4. Ng5/4...d5/5. exd5/5...b5
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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| Ulvestad Variation | |
|---|---|
|
a
b
c
d
e
f
g
h
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
a
b
c
d
e
f
g
h
|
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Position in Forsyth-Edwards Notation (FEN)
|
|
| Moves: 1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b5 | |
Ulvestad Variation
[edit | edit source]5 ... b5.
[edit | edit source]The defining move for the Ulvestad Variation. Black challenges the strong bishop on c4 by offering a pawn.
Theory table
[edit | edit source].
- 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 | edit source]Bf1 62%, Bxb5 28%, dxc6 6%, Bb3 2%, Qe2 1%
References
[edit | edit source] |
Wikipedia has related information at Two Knights Defence. |
- Nunn's Chess Openings. 1999. John Nunn (Editor), Graham Burgess, John Emms, Joe Gallagher. ISBN 1-8574-4221-0.
2. f4
King's gambit
King's gambit
2...exf4
Accepted
Accepted
Other
Declined
Declined
2. Nc3
Vienna
Vienna
Other
1. e4 other
- Barnes ?
- Borg ?
- Corn stalk ??
- Duras ??
- 1...b5 ??
2. c4
Queen's gambit
Queen's gambit
2. other
- Accelerated London
- Colle
- Levitsky !?
- Amazon ?!
- Blackmar-Diemer ?
- Mason ?
- Zurich ??
2. c4 other
2. other:
1. d4 ...other:
Flank
Unorthodox
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