Very cool, thanks for sharing. 6.Rd3 also mates in 8.
this puzzle is ill :P
why not take the queen with the rook?
Falling_Down wrote: why not take the queen with the rook?
well if your talking about 4 ...Rxd8 that just leads to a quicker mate for exp. 5 Rxd8+ Nf8 6 Rxf8#.