[Event "5th UAPA"] [Site "?"] [Date "2017.??.??"] [Round "?"] [White "(3) Andrzej Jasik (POL)"] [Black "?"] [Result "1/2-1/2"] [Annotator "1st Prize"] [SetUp "1"] [FEN "8/1p1p3P/8/2Q5/1K1n2pP/3kpq2/p4pp1/3N4 w - - 0 1"] [PlyCount "27"] [EventDate "2018.12.04"] 1. Nb2+ $1 (1. h8=Q $2 a1=Q $19) (1. Qc4+ $2 Kd2 2. Qxd4+ Ke1 3. h8=Q Qxd1 4. Qxe3+ Kf1 $19) 1... Ke4 (1... Ke2 $2 2. Qc4+ Ke1 3. Qc1+ Ke2 4. Qd1#) 2. h8=Q $1 ({Thematic try:} 2. Qxd4+ $2 Kxd4 3. h8=Q+ Qf6 $3 4. Qxf6+ Ke4 5. Na4 f1=Q 6. Nc5+ Kd5 7. Qg5+ {Position X'} Kc6 $1 8. Qg6+ Kc7 $19) 2... Nc6+ 3. Qxc6+ $3 bxc6 4. Qe8+ Kf4 5. Qb8+ Ke4 6. Qe8+ Kd4 7. Qh8+ Kd5 8. Qh5+ Ke4 9. Qe8+ Kd4 10. Qh8+ Qf6 $1 11. Qxf6+ Ke4 12. Na4 $1 (12. Qg6+ $2 Kf3 13. Qf5+ Kg3 14. Qe5+ Kh3 $19) 12... f1=Q (12... a1=Q 13. Nc5+ Kd5 14. Qf5+ Kd6 15. Qd3+ $11) 13. Nc5+ Kd5 14. Qg5+ {Position X: 14...Kc6 is impossible} 1/2-1/2