What is the difference between the Reti opening and the King's Indian Attack?

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Avatar of helennnxo

Both of them seem to reach the same positions so am a bit confused.

Avatar of tygxc

@1
The Reti is characterised by the move c4, the King's Indian Attack by the move e4.

Avatar of tygxc

This is Reti
https://www.chessgames.com/perl/chessgame?gid=2290562

This is the King's Indian Attack

https://www.chessgames.com/perl/chessgame?gid=2292167 

Avatar of MaetsNori

Reti is 1.Nf3.

Where the game goes from that point on depends on how black proceeds, and how white wants to continue.

One example:

Player's often use 1.Nf3 because of how flexible it is: they can transpose to various different openings, depending on black's defense.

The Reti usually transposes into something else: the English, the Queen's Gambit, the Catalan, the Sicilian (and so on ...)

The King's Indian is more specific in how white develops.

One example:

KIA development generally involves: Nf3, g3, Bg2, 0-0, and d3