[Event "Original"]
[Site "?"]
[Date "2007.11.26"]
[Round "?"]
[White "Emil Melnichenko"]
[Black "Study"]
[Result "1-0"]
[Annotator "Melnichenko,Emil"]
[SetUp "1"]
[FEN "8/Np4B1/kP6/4N3/8/n7/4K3/7b w - - 0 1"]
[PlyCount "33"]
[EventDate "2007.??.??"]

1. Nd7 (1. Nc8 $2 Bg2 2. Bf8 Nb5 3. Nd7 (3. Nc4 Bd5 4. Kd3 Be6 5. N8d6 Nxd6 6.
Bxd6 Bxc4+) (3. Bc5 Bh3 4. Ne7 Nc3+ 5. Kd3 Na4 6. Bf2 Nxb6) 3... Nd4+ 4. Kd3
Bh3 5. Nb8+ (5. Nc5+ Kb5 6. Nxb7 Bxc8 7. Nd6+ Kxb6 8. Nxc8+ Kc7) 5... Kb5 6.
Nd6+ (6. Kxd4 Bxc8 7. Bc5 Be6 $11 {Zugswang}) 6... Kxb6 7. Kxd4 Kc7) 1... Nc4 (
1... Bg2 2. Bd4 Nc4 3. Kd3 Nxb6 4. Bxb6 Bh3 5. Kc4 {leads to the main line}) 2.
Bd4 (2. Nc8 $2 Bg2 3. Bd4 (3. Nb8+ Kb5 4. Bd4 Bh3 5. Na7+ Ka5 6. Nbc6+ Ka6 7.
Nb4+ Ka5 8. Nd5 (8. Nac6+ Kb5) 8... Be6 9. Nc6+ Kb5 10. Nce7 (10. Nc7+ Kxc6 11.
Nxe6 Kd5) (10. Ncb4 Nxb6 11. Bxb6 Bxd5 12. Nxd5 Kc6) 10... Bxd5 11. Nxd5 Kc6
12. Ne7+ Kd7 13. Nd5 Kc6 14. Nb4+ Kb5 15. Nd5 Kc6 {
with a merry go round draw by repetition}) 3... Bh3 4. Nb8+ Kb5 5. Na7+ Ka5 6.
Nbc6+ Ka6 7. Nb4+ Ka5 8. Nd5 Be6 9. Nc6+ Kb5 10. Nce7 (10. Nc7+ Kxc6 11. Nxe6
Kd5 12. Kd3 Kxe6 {draws}) 10... Bxd5 11. Nxd5 Kc6 12. Ne7+ Kd7 13. Nd5 (13. Kd3
Kxe7 14. Kxc4 Kd7 $11) 13... Kc6 14. Nb4+ Kb5 15. Nd5 Kc6 {
with a positional draw}) 2... Nxb6 {this sacrifice gives Black a fighting
chance otherwise he will be overwhelmed or mated} (2... Nd6 3. Kd3 Be4+ 4. Kc3
Ka5 (4... Bf5 5. Ne5 Ka5 (5... Be6 6. Kb4 Nf5 7. Bc5) 6. Nc4+ Nxc4 7. Kxc4 Be4
8. Kc5) 5. Ne5 Nb5+ 6. Nxb5 Kxb5 7. Kd2 Bd5 8. Ke3 {aiming for Kc7 winning}) (
2... Bg2 3. Kd3 Bf1+ (3... Bd5 4. Kc3 Ka5 (4... Nd6 5. Kb4 Ne4 6. Nb8#) 5. Bc5
Bg8 (5... Be6 6. Bb4+ Ka6 (6... Ka4 7. Nc5#) 7. Nc5+ Kxb6 8. Nxe6) (5... Ka4 6.
Bb4 Nxb6 7. Nxb6#) (5... Ka6 6. Kb4 Nxb6 7. Nb5 Nxd7 (7... Bc6 8. Nb8#) 8. Nc7#
) 6. Nc6+ Ka4 7. Nd8 Kb5 8. Bf2 Nd6 9. Kd4 Nc8 10. Ke5 Ka6 11. Nf6 Bb3 12. Ne8
Nxb6 13. Nc7+ Ka7 14. Nde6 Bxe6 15. Kxe6 {wins the knight}) 4. Kc3 Na3 (4...
Nd6 5. Kb4 Ne4 6. Nb8#) (4... Na5 5. Nb8#) 5. Kb3 Nb5 (5... Nc4 6. Nc5+ Kxb6 7.
Nd3+ Kc7 8. Kxc4) 6. Bc5 Bh3 7. Nb8+ Ka5 8. Nbc6+ Ka6 9. Nb4+ Ka5 10. Nac6+
bxc6 11. b7 {queening}) (2... Bd5 3. Kd3 Nd6 4. Kc3 Ka5 5. Be5 Nb5+ 6. Nxb5
Kxb5 7. Bc7 Be6 8. Nf6 Kc5 (8... Kc6 9. Kd4) 9. Kd3 Bf5+ 10. Ke3 Bg6 11. Kf4
Kb5 12. Ke5 {and White infiltrates}) 3. Bxb6 Bf3+ 4. Kd3 {
Now the White king must do some fancy footwork.} (4. Ke3 $2 Bg4 5. Kd4 Be6 {
and White is in Zugswang}) (4. Kxf3 $2 $11 {stalemate}) 4... Bg4 {
has Black found a drawing resource despite his two piece deficit?} 5. Kc4 (5.
Kd4 $2 Be6 $11 {Zugswang}) 5... Be6+ ({after} 5... Bxd7 {obviously} 6. Kc5 $18)
6. Kd4 (6. Kc5 $2 Bxd7 $11) 6... Bh3 7. Kd5 Bg4 8. Kd6 Bxd7 (8... Bh3 9. Nc8
$18) 9. Kc5 Be8 (9... Bg4 10. Nb5 Bd7 11. Nc7#) 10. Nc8 {
and the slower knight outmanoeuvres the fleeter bishop, for example} Bc6 11.
Nd6 Bd7 12. Nc4 Bc6 13. Ne5 Bb5 14. Nf3 Bd7 15. Nd4 Bf5 16. Nb5 Bd3 17. Nc7#
1-0

