[Event "Carlsbad"] [Site "?"] [Round "0"] [White "Colle"] [Black "Capablanca"] [Result "0-1"] [FEN "r4rk1/pb1p1p1p/1pq1p1p1/3nP3/3P1P2/7R/PPB2QPP/R1B3K1 b - - 0 1"] {The breakthrough systematically prepared The difference between this partially fixed formation and the normal blocked oblique centre is that the Black d-pawn stands on d7 instead of d5, and this improves Black's chances as d5 is a splendid support-point for his Knight. For the time being White retains some chances of Kingside attack, and his two Bishops may play a useful part; but sooner or later the tide must turn. Black's strategy includes the opening of the f-file by ... Pf6} 1... Rac8 (1... f6 2. Qh4 Rf7 3. Bxg6) 2. Bd1 (2. Qh4 Nf6 3. Be4 Qxc1+ 4. Rxc1 Rxc1+ 5. Kf2 Nxe4+ 6. Ke3 h5) 2... f6 3. Qh4 { now White's position falls apart like a house of cards} (3. Bd2 Nxf4 4. Bxf4 fxe5 5. Bf3 (5. Rf3) 5... e4 6. Be2 e3 7. Rxe3 Rxf4) 3... Rf7 4. Bf3 Qc4 5. Be3 (5. Qf2 Qxc1+) 5... Nxe3 6. Bxb7 Nf5 7. Qe1 Rc7 8. Be4 Qxd4+ 9. Kh1 fxe5 10. Bxf5 exf5 11. fxe5 Re7 12. Re3 Qxb2 13. e6 dxe6 14. Rxe6 Kf7 0-1