[Event "14th ARVES Jenever"]
[Site "?"]
[Date "2022.11.??"]
[Round "?"]
[White "M.Pasman"]
[Black "?"]
[Result "1-0"]
[SetUp "1"]
[FEN "4k2n/7N/1PP4r/4PPK1/8/3r1P2/8/8 w - - 0 1"]
[PlyCount "17"]

1. c7 $1 (1. Kxh6 Nf7+ 2. Kg7 Nxe5 $11 {for example:} 3. c7 Kd7 4. f4 Rg3+ 5.
Ng5 Nd3 6. Kf7 Rg4 7. Ne4 Rxf4 8. Nd6 Rxf5+ 9. Nxf5 Ne5+ 10. Kf6 Nc4 $11) (1.
Nf6+ Kd8 2. Kxh6 Nf7+ 3. Kg7 Nxe5 $11) ({Logical Try :} 1. b7 Nf7+ 2. Kf4 Rxf3+
$1 3. Ke4 $1 (3. Kxf3 $2 Nxe5+) 3... Rb3 4. c7 {Position X2, as main line, but
black rook on b3 instead of c3} Rh4+ 5. Kd5 Nd8 $1 (5... Rd3+ 6. Ke6 Nd8+ 7.
Kf6) 6. b8=Q {or c8=Q} (6. Nf6+ Ke7 7. Ng8+ Ke8 8. b8=Q Rd3+ {the same -
Perpetual check}) 6... Rd3+ 7. Kc5 Rc3+ 8. Kb5 Rb3+ 9. Ka5 Ra3+ $11 {Perpetual
check}) 1... Nf7+ 2. Kf4 Rxf3+ $1 3. Ke4 $1 (3. Kxf3 Nxe5+ 4. Ke4 Kd7 5. Nf8+
Kc8 6. Kxe5 Rxb6 $11) 3... Rc3 (3... Rh4+ 4. Kxf3 Nxe5+ 5. Kg3 Rg4+ 6. Kh3 Kd7
7. Nf6+ Kc8 8. Nxg4 $18) 4. b7 {Position X1, black rook on c3} Kd7 (4... Rh4+
5. Kd5 Rd3+ 6. Ke6 $1 Nd8+ (6... Rxh7 7. b8=Q+) 7. Kf6 $1 Rxh7 8. b8=Q $18) 5.
c8=Q+ $1 Rxc8 6. e6+ $1 Ke7 (6... Kc7 7. bxc8=Q+ Kxc8 8. exf7 $18) 7. f6+ $1 (
7. bxc8=Q Nd6+ 8. Ke5 Nxc8 9. f6+ Rxf6 $1 $11) (7. bxc8=N+ Ke8) 7... Rxf6 (7...
Kd6 8. bxc8=Q) 8. bxc8=N+ $1 (8. bxc8=Q Nd6+ $11) 8... Kxe6 (8... Kd8 9. e7+)
9. Nf8# 1-0