E26 · Nimzo-Indian Defense

Nimzo-Indian Defense: Samisch Variation, O'Kelly Variation

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6
♜♞♝♛♚♜♟♟♟♟♟♟♟♞♟♟♟♟♟♟♟♟♟♜♝♛♚♝♞♜
The position after 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6, White to move.

In the Nimzo-Indian Defense: Samisch Variation, O'Kelly Variation, aim to understand the plans and pawn structures, not just memorize the first moves.

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The Nimzo-Indian Defense: Samisch Variation, O'Kelly Variation is a chess opening classified under ECO code E26. It is reached after the moves 1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e3 b6: 12 moves in, with White to play.

It belongs to the Nimzo-Indian Defense family — one of many ways the line can branch. Understanding the parent system’s plans is the fastest way to play this variation well.

Club players rarely lose the Nimzo-Indian Defense: Samisch Variation, O'Kelly Variation in the opening itself. They lose it a few moves later, when the plan behind the moves runs out: that is what reading your own games in this line shows you.

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