Andersson gives Karpov two tempi (Na6-b4-a6-b4). Understandably, he moved his knight to b4 initially to attack the white bishop. But then he moved it back and forth! It was the 32nd move when he did this, so it is possible that it was due to time. Is there a subtler intention?

2 Answers 2


Na6-b4-a6-b4 was a waiting strategy. Black lacked counterplay in the position, and there wasn't much else to do. ...Nxf3+ was a possibility but it would just open the g-file for White's rook.

  • Why didn't he just exchange his light-squared bishop with the g6 knight, making it more difficult for white to break into the kingside? May 16, 2017 at 17:16

In "Anatoly Karpov: My 300 Best Games" Karpov gives 31...Nb4?! as a dubious move, and suggests 31...Rb4 instead, with the clear idea that Bxb4 cxb4 and Nc5 gives black a bind on the queenside.

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