<font color="#3e6617" size="3">1. Ng3+<br /> ( 1. Kb2? c1=Q+ 2. Kxc1 h1=Q -+ )<br /> 1... Kh4 2. Kb2 c1=Q+ Activating bishop 3. Kxc1 Be4 <br /> 4. Nh1 Bxh1 5. Bh3! Bc6 6. Bg2 </font><font color="#3e6617"><font size="3">White bishop is sacrificed on g2,<br /> restricting the movement of the black queen. 6... Bxg2 <br /> 7. d7 h1=Q+ Now this check is not enough 8. Kd2 Bf3 preparing Qd1+, but<br /> 9. d8=Q+ a very timely check =<br /> </font><br /> </font>