[White "   KRITZ - FIRMAN, CAPELLE LA GRANDE 2007   "]   [Black "White to play and win"]   [Result "1-0"]   [FEN "r1b2rk1/pp2ppbp/3p1np1/q1n5/P2BP3/2NB1N1P/1PPQ1PP1/R4RK1 w - - 0 1"]   {The theme of this combination is deflection with the idea of trapping the queen.}   1 b4 Qxb4 2 a5!   {And there is nothing Black can do. A sample line goes:}   2... Nxd3 3 cxd3 Qb3 4 Ng5!   {Taking the e6 escape square under control.}   {There is one last trick Black can try:}   4... Bh6   {pinning the queen, but the cunning}    5 f4!   ({just not} 5 Rfb1 Qe6! )    { ruins all Black's hopes}  5... Bxg5 6 fxg5   Nd7 7 Nd5! { And white is simply winning}