Nimzowitsch played his own defence. Dark squares ...c5-d6-e5-b6 Janowski vs A Nimzowitsch, 1914  (E43) Nimzo-Indian, Fischer Variation, 85 moves, 1/2-1/2 Doubled c-, but Bs strong in open positions Bogoljubov vs A Nimzowitsch, 1920  (E21) Nimzo-Indian, Three Knights, 28 moves, 1-0 W avoids doubled; B-pair Bogoljubov vs A Nimzowitsch, 1925  (E21) Nimzo-Indian, Three Knights, 38 moves, 1-0 Famous blockade on e4, doubled c-pawns P Johner vs A Nimzowitsch, 1926  (E47) Nimzo-Indian, 4.e3 O-O 5.Bd3, 40 moves, 0-1 Ideal: doubled, isolated, blockaded. Ne5 Bogoljubov vs A Nimzowitsch, 1929  (E21) Nimzo-Indian, Three Knights, 50 moves, 0-1 Dark squares ...c5,d6,b6. ...Bxc3 weakens c4 and hence light sq H Mattison vs A Nimzowitsch, 1929   (E21) Nimzo-Indian, Three Knights, 23 moves, 0-1 Silman. IQP- open centre- weak d3 W Michel vs A Nimzowitsch, 1931  (E42) Nimzo-Indian, 4.e3 c5, 5.Ne2 (Rubinstein), 48 moves, 0-1 7 games