[Event "Chessstar"] [Site "?"] [Date "2018.??.??"] [Round "?"] [White "(4) Steffen Slumstrup Nielsen"] [Black "?"] [Result "1/2-1/2"] [Annotator "1st Prize"] [SetUp "1"] [FEN "1b1r4/2p5/4P2k/7p/4p3/4K1R1/Q7/2B2q2 w - - 0 1"] [PlyCount "37"] [EventDate "2018.??.??"] {At first some precision. White needs to find the right square for the queen, covering Bc1 as well as creating threats towards the black king.} 1. Qa1 $1 { Now White is almost winning, but a non standard combination tips the scale in Black's favour.} (1. Qc2 $2 Qe1+ 2. Kf4 c6+ $1 3. Kf5+ Kh7 4. Rg7+ Kxg7 5. Qb2+ Kg8 6. Kg6 Qg3+ 7. Bg5 Be5 8. Qb7 Bc7 9. Qb2 Rd7 $1 10. exd7 Qd6+ 11. Kxh5 Qxd7 12. Qf6 Qf7+ 13. Qg6+ Qxg6+ 14. Kxg6 Bb6 $1 $19 {and Black keeps both his pawns.}) (1. Qb2 $2 Qe1+ 2. Kf4 Rf8+ 3. Ke5+ e3 4. Bxe3+ (4. Rxe3 Qa5+ 5. Kd4 Ba7+) 4... Kh7 5. Qc2+ Kh8 6. Rh3 c6+ 7. Ke4 Rf4+ 8. Kd3 Qf1+ 9. Kd2 Qg2+ 10. Kd3 Qxh3 $19) (1. Qa3 $2 c5 2. Kxe4+ Kh7 $19) 1... Qe1+ 2. Kf4 Rf8+ 3. Ke5+ e3 $1 (3... Kh7 4. Rg7+ $1 Kxg7 5. Bh6+ Kxh6 6. Qxe1 $18 {This variation shows why 1. Qa1! was better than 1. Qb2?}) 4. Bxe3+ (4. Rxe3 $2 c6+ $19) 4... Rf4 $3 5. Qb2 $1 (5. Kxf4 $2 Qxa1 6. e7 Qa4+ $19 {and White gets no time for 7. Rg8.}) (5. Qxe1 $2 c6#) (5. Qa8 $2 Qa5+ (5... Qa1+) 6. Kxf4 Qxa8 7. e7 Qa4+ $19) 5... Qc3+ $1 6. Kxf4 Qxb2 7. e7 {Now, compared to 5. Kxf4?, Black has no winning check on a4.} (7. Kf5+ $2 Kh7 $19) 7... Qh8 8. Kf5+ ({Logical try} 8. Ke4+ $2 Kh7 9. Rg7+ $1 Kxg7 $1 (9... Qxg7 $2 10. e8=Q Qg6+ 11. Qxg6+ Kxg6 12. Bf4 $1 $11) 10. Bd4+ Kf7 11. Bxh8 c6 $1 {and Black ends up with two extra pawns as White has not the possibility to play the king the g5.}) 8... Kh7 9. Rg7+ $1 Kxg7 (9... Qxg7 10. e8=Q $11) 10. Bd4+ Kf7 11. Bxh8 c5 12. Bf6 (12. Kg5 $2 Kxe7 13. Kxh5 Ke6 14. Kg4 Be5 $1 $19) 12... Bd6 13. Ke4 $1 Bxe7 {In the end, White is saved by Black having the wrong bishop for the h1 square:} 14. Bd4 $1 cxd4 ( 14... c4 15. Kd5 h4 16. Kxc4 h3 17. Bg1 (17. Be5 $2 Ke6 18. Bh2 Bd6 $19) 17... Ke6 18. Kd3 $11) 15. Kxd4 h4 16. Ke3 $1 (16. Ke4 $2 h3 17. Kf3 Bh4 $19) 16... h3 17. Kf2 h2 18. Kg2 Bd6 19. Kh1 1/2-1/2