<font><font size="2" face="arial" color="black"><font size="2" face="arial" color="black"> </font></font></font><div style="clear: both;">1. Qd3+ <br /> </div> <div style="clear: both;"> I. 1 ... Ke7 2. Qh7+ Kd6 <br />    [2 ... Kf8 3. Qf7#] <br />    [2 ... Kf6 3. Qh8+ Kf5 4. Bg6+ Kf4 5. Qh2+ +-] <br />    3. Qc7+ Kd5 4. Qc5+ Ke4 5. Qc2+ <br /> </div> <div style="clear: both;">   Ia. 5 ... Kf4 6. Qh2+ Ke4 <br /> [6 ... Kf5 7. Bg6+ Kf6 8. Qh8+ +-] <br /> 7. Bg6+ Kd5 8. Qa2+ Kd6  <br /> [8 ... Kd4 9. Qb2+ Kd5 10. Qb5+ Kd4 11. Qd3#] <br />  9. Qa3+ Kd7 <br /> [9 ... Kd5 10. Qc5#] <br /> 10. Qa4+ Kd6 11. Qc6+ Ke7 12. Qe8+ Kf6 13. Qh8+ +- <br /> </div> <div style="clear: both;"> <br /> Ib. 5 ... Ke3 6. Qe2+ Kd4 7. Qb2+ Ke4 <br /> [7 ... Kd5 8. Bf3+ Kd6 9. Qa3+ Kd7 10. Bc6+ Kd8 11. Qf8#] <br /> 8. Bg6+ Kf4 9. Qh2+ +- <br /> </div> <div style="clear: both;"> <br /> Ic. 5 ... Kd5 6. Bf3+ Kd4 <br /> [6 ... Kd6 7. Qc7#] <br /> 7. Qb2+ +- <br />  </div> <div style="clear: both;">II. <font face="helvetica, arial"><span style="font-size: 10pt;">1 ... Qd5 2. Qc3! Qf5 </span></font><br />     [2 ... Qxh5 {or Qg5} 3.  Qc7+ Kd5 4. Qc5+ +-] <br />     <font face="helvetica, arial"><span style="font-size: 10pt;">[2 ... Qa2 3. Qc5+ Kd7 4. Qc7#) (2 ... Ke7 3. Qg7+ Kd6 4. Qc7#] </span></font> <br /> 3. Qc7+ Kd5 4. Qc5+ Ke4 5. Bg6! Qxg6 6. Qc2+ +-  </div><font><font size="2" face="arial" color="black"><font size="2" face="arial" color="black"> </font></font></font>