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Chess Opening Theory/1. Nf3/1...d5
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1.Nf3 Opening rd nd bd qd kd bd nd rd pd pd pd pd pd pd pd pd nl pl pl pl pl pl pl pl pl rl nl bl ql kl bl rl
1.Nf3 Opening
1...d5
Black stakes a claim to the center. White has many options now and as so often with 1.Nf3 many transpositions. 2. g3, 2. d4, 2. c4 (Réti), 2. d3, 2. b3, 2. e3, and even 2. b4!? are sensible moves.
White can also try the Tennison Gambit with 2. e4?!, usually reached with 1. e4 d5 2. Nf3?!, but it's considered dubious with best play.
Theory table
.
1.Nf3 d5
2
3456Evaluation
King's Indian Attack
g3Nf6
Bg2c6
O-OBg4
d3Nbd7
Nbd2e5
=
Reti Opening
c4 d4
e3 c5
b4 dxe3
fxe3 cxb4
d4 Nf6
∞
Queen's Gambit
d4 e6
c4 Nf6
Nc3 dxc4
e4 Bb4
Bxc4 Nxe4
= (Queen's Gambit Mainline)
Flank opening
References