<div class='user_solution'>Thematic try: 1. Qb8+? Ke4! 2. Qb7+ Kd4! 3. Qg7+ Kc4! 4. Qb2 Kd3! zz 5. Qa3+ Ke2! 6. Qa2+ Ke3! 7. Qb3+ Kd2! 8. Qd5+ Kc1! 9. Qc4+ Kd2! 10. Qa2+ Ke3! 11. Qb3+ Kd2 12. Qb2+ Kd3! =.<br />    <strong>1. Qf8+!</strong> ( 1. b7? Ra1+ 2. Kb4 Rb1+ 3. Kc4 Rhb6=) <strong>1...Ke3 </strong><br /> <strong>2.</strong> <strong>Qg7! </strong>(2.Qc5+? Kd2=) <strong>2...Kd3</strong> ( 2...Kd2 3. Ka6 Rh3 4. Qb2+! Kd1 5. Ka7+- ) <strong>3. Qb2! zz  3...R1h5+ 4. Ka4!</strong> ( 4. Ka6? Rg5 = ) <strong>4...Rh4+</strong> <strong>5. Ka3 Kc4 </strong>(5...Rh1 6. Qe5! Kc4 7. Ka4! R:b6 8. Qe4 +-; 5...R6h5 6. Qb3(b1)+-) <strong>6. Qb4+!</strong> ( 6. Ka4? Kd3+ =) <strong>6...Kd5 7. Qb5+ Kd6 8. b7</strong> <strong>Rh3+ 9. Ka4(b4) R6h4+ 10. Ka5 Ra3+ 11. Kb6,</strong> win.<br /></div>