I intended Nb4 straight away but realised White had Bxa3, pinning the Knight to an undefended Queen... Re8 solves that problem
21. Ne4d6
!
21... cxd6 22. Bb2xa3 Ba7c5
?? Although it seemed natural to consolidate my dark squares, this move just drops a piece (see following combination)... instead Nb4 was the move, and the game is still equal
