[Event "Schach"] [Site "?"] [Date "2018.??.??"] [Round "?"] [White "(2) Steffen Slumstrup Nielsen"] [Black "?"] [Result "1-0"] [SetUp "1"] [FEN "3bK3/4p1kN/6P1/2p5/5R1R/2n5/8/3q4 w - - 0 1"] [PlyCount "25"] [EventDate "2018.??.??"] 1. Nf8 {White must keep the pawn on g6 to create threats.} Nd5 (1... Nb5 2. Rh7+ Kg8 3. Rh8+ $1 Kxh8 4. Ne6 {with a deadly double threat.}) (1... Qd6 {Now White has a long forcing win:} 2. Rf7+ Kg8 3. g7 Qc6+ 4. Nd7 Qxd7+ 5. Kxd7 Kxf7 6. Rg4 Kg8 7. Kxd8 e5 8. Ke7 e4 9. Kf6 e3 10. Kg6 e2 11. Rf4 {and mate on the next move.} (11. Rh4)) 2. Rh7+ Kg8 3. Rh8+ $1 Kxh8 (3... Kg7 4. Ne6+ Kxg6 5. Rg8+ Kh7 6. Rg7+ Kh6 7. Rh4+ $18) 4. Kf7 {Threat 5. g7#} Qh5 5. Rh4 $1 { Counterpin} Nf6 {The charged key position. White has to find the right plan. He wants to play Nf8-d7 at the correct time. Now is too early, as Black responds 6. Nd7 Qxh4 7. g7+ Kh7 8. Nxf6 Qxf6+.} (5... Nf4 6. Ne6 Ba5 7. Nxf4 Qxh4 8. g7+ Kh7 9. g8=Q+ Kh6 10. Qg6# (10. Qg7#)) (5... Qxh4 6. g7#) 6. Rh1 $3 {Threatening 7. Nd7 Qxh1 8. g7+ Kh7 9. Nxf6+ Kh6 10. g8=Q and mate.} ({After} 6. Rh2 $2 {, threatening 7. Nd7 Qxh2 8. g7+ Kh7 9. Nxf6+ Kh6 10. Ng4+ winning, Black defends with a surprising manoeuvre:} Bc7 7. Rh1 Bf4 8. Nd7 $2 Bh6 $19) ( 6. Rh3 {? No threat. Black defends by} Bc7 (6... Bb6) (6... Ba5)) 6... e6 $3 { A subtle defense, opening the line b7-f7 (but closing b3-f7)} (6... e5 7. Rh2 { with a quicker white win.}) 7. Rh3 {White now threatens 8. Nd7 Qxh3 9. g7+ Kh7 10. Nxf6+ Kh6 11. g8=Q, as Black has no check on b3.} (7. Nd7 $2 Qxh1 8. g7+ Kh7 9. Nxf6+ Kh6 10. g8=Q Qb7+ $1 {was the point of Black's 6...e6!!}) 7... e5 {Opening the line b3-f7 (but closing c7-h2)} 8. Rh2 $1 (8. Nd7 $2 Qxh3 9. g7+ Kh7 10. Nxf6+ Kh6 11. g8=Q Qb3+ $19) 8... e4 (8... Ba5 9. Nd7 Qxh2 10. g7+ Kh7 11. Nxf6+ Kh6 12. Ng4+ $1 $18 (12. g8=Q $4 Qa2+ $19)) 9. Nd7 Bc7 10. Rh1 $1 { Now this is (again) the right square, as Black will not have Qb7+.} (10. Rh3 $2 Qxh3 11. g7+ Kh7 12. Nxf6+ Kh6 13. g8=Q Qb3+ $19) (10. Nxf6 $2 Bxh2 11. Nxh5 Be5 $11) 10... Qxh1 11. g7+ Kh7 12. Nxf6+ Kh6 13. g8=Q {There is no defence against mate on g6 or g7.} 1-0