[Event "Selivanov-50 JT"] [Site "?"] [Date "2017.??.??"] [Round "?"] [White "(1) Oleg Pervakov (RUS)"] [Black "?"] [Result "1/2-1/2"] [Annotator "1st Prize"] [SetUp "1"] [FEN "7n/1BP4b/1n6/5P2/8/4K3/7p/4Nk2 w - - 0 1"] [PlyCount "31"] [EventDate "2017.??.??"] {Both pawns are detained, but the black pawn will cost white a piece sooner or later...} 1. Nf3 $1 {To deal with a pawn it is necessary to oblige her to turn into a queen!} h1=Q 2. Nd2+ Kg1 3. Bxh1 $1 {Difficult choice. But to leave on a board a bishop - means to die:} (3. Nf3+ $2 Qxf3+ $1 4. Bxf3 Bxf5 $11) 3... Kxh1 4. Kf4 $3 ({Logical try} 4. Ne4 $2 Nd5+ (4... Bxf5 $2 5. Ng3+ $11) 5. Kd4 Nxc7 6. Ke5 Ne8 $1 (6... Bg8 $2 7. Kf6 Ba2 8. Nd6 $1 $11) 7. Ke6 Ng7+ $1 8. Kf6 Nxf5 $1 9. Ng5 Bg6 10. Ne6 Nd6 $1 11. Kg7 Ndf7 $19 {, and black pieces are located comfortably in the top right corner}) ({Other moves of the king are easily disproved:} 4. Ke4 $2 Nf7 $19) ({or} 4. Kd4 $2 Bxf5 $19) 4... Nd5+ (4... Nf7 5. Ne4 $1 Nd5+ 6. Kg4 $1 Nxc7 7. Nf6 $11 {, and the bishop is caught}) 5. Ke5 $1 (5. Kg5 $2 Nf7+ $1 $19) 5... Nxc7 6. Kf6 $1 ({It is senseless to attack a knight c7:} 6. Kd6 $2 Nb5+ $1 7. Ke6 Bg8+ $19) 6... Ne8+ 7. Ke7 {Amusing route of the white king on e3-f4-e5-f6 as "snake"!} Ng7 8. Kf6 Nh5+ 9. Kg5 $1 Ng3 10. Kf6 Nxf5 {Just a moment! We see the same position from logical try with one more tempo for black (the knight there already stood on e4!). An, no!} ({It was not succeeded to frighten white: after} 10... Bxf5 11. Nf1 $1 {black remain with two useless knights.}) 11. Nf3 $3 {Here it, the sweet field for a knight with a high, juicy grass in the form of three black pieces!} Bg6 $1 12. Ne5 Bh7 13. Nf3 Kg2 {And what else? It is necessary to go...} 14. Ng5 Bg6 15. Ne6 $1 {Oops! It was so pleasant to the black king in h1 corner (see logical try 4.Ne4)! And here the poor king was enticed on g2...} Kf3 (15... Nd6 16. Nf4+ $1 $11 {, the fork trapped suddenly} ({or} 16. Kg7 Ndf7 17. Nf4+)) 16. Nf8 $1 {And the poor bishop is caught!} 1/2-1/2