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Mate in 30, show me whatchu got

Mate in 30, show me whatchu got

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[pgn] the solution for eternal RHP fame.

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Originally posted by heinzkat
[fen]5n2/B3K3/2p2Np1/4k3/7P/3bN1P1/2Prn1P1/1q6 w - -[/fen]

[pgn] the solution for eternal RHP fame.

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Nice puzzle. I like the part where the 'wrong' N is on e3, forcing a further slew of checks just to substitute the other one.

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Originally posted by SwissGambit
[pgn]
[FEN "5n2/B3K3/2p2Np1/4k3/7P/3bN1P1/2Prn1P1/1q6 w - - 0 1"]
1. Neg4+ Kf5 2. Nh6+ Ke5 3. Nf7+ Kf5 4. Nd6+ Ke5 5. Ng4+ Kd5 6. Ne3+ Ke5 7. Nf7+ Ke4 8. Ng5+ Ke5 9. Nf3+ Ke4 10. Nxd2+ Ke5 11. Nf3+ Ke4 12. Ng5+ Ke5 13. Nf7+ Ke4 14. Nd6+ Ke5 15. Ng4+ Kd5 16. Nf6+ Ke5 17. Nf7+ Kf5 18. Nh6+ Ke5 19. Nhg4+ Kf5 20. Ne3+ Ke5 21. Nfg4+ Ke4 22. Nf2+ Ke5 23. Nxd ...[text shortened]... e4 24. Nf2+ Ke5 25. Nfg4+ Ke4 26. Nf6+ Ke5 27. Nc4+ Kf5 28. Nd6+ Ke5 29. Ng4+ Kd5 30. c4[/pgn]
meh, I bet you needed a board...

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Originally posted by orion25
meh, I bet you needed a board...
Of course ... who wants to type 30 moves out by hand? 😉

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Great puzzle. Rather worryingly, I could see no forced line but assumed black to play and wondered why it would take 30 moves.

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I think white is a checkaholic.

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Rec'd!!!

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Originally posted by SwissGambit
Nice puzzle. I like the part where the 'wrong' N is on e3, forcing a further slew of checks just to substitute the other one.
To be honest I don't understand anything of this Knights tangle, very nice you solved it.

http://www.rebel.nl/rebel10c.htm

"Fixed Rebel 9.0's display bug in cases when a very deep mate combination is found. Rebel10 now will show now the correct mate line, see the following example:

00:00:00 2.01 Mate in 30 moves Ne3-g4+ Ke5-f5 Ng4-h6+ Kf5-e5 Nh6-f7+ Ke5-f5

Please note that the complete mate is found in less than one second!"

(Last update March 26, 1999)

A lot more commercial talk like "In other words Rebel (using anti-GM) does not need to know the sacrifice is 100% correct for this position, Rebel smells the chance of an attack and goes for it!"

We're ten years further, have engines been messed up in the meantime?

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Originally posted by heinzkat
To be honest I don't understand anything of this Knights tangle, very nice you solved it.

http://www.rebel.nl/rebel10c.htm

"Fixed Rebel 9.0's display bug in cases when a very deep mate combination is found. Rebel10 now will show now the correct mate line, see the following example:

00:00:00 2.01 Mate in 30 moves Ne3-g4+ Ke5-f5 Ng4-h6+ Kf5-e5 Nh6-f7 nd goes for it!"

We're ten years further, have engines been messed up in the meantime?
I had a vague idea that the solution involved removing enough defensive pieces [with check] to pave the way for an eventual mate.

However, I solved by just looking for lines that made some kind of progress. Obviously, white must continually check, so there's few alternatives. There's no need for a complete understanding of the position up-front.

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Originally posted by heinzkat
To be honest I don't understand anything of this Knights tangle, very nice you solved it.

http://www.rebel.nl/rebel10c.htm

"Fixed Rebel 9.0's display bug in cases when a very deep mate combination is found. Rebel10 now will show now the correct mate line, see the following example:

00:00:00 2.01 Mate in 30 moves Ne3-g4+ Ke5-f5 Ng4-h6+ Kf5-e5 Nh6-f7 ...[text shortened]... nd goes for it!"

We're ten years further, have engines been messed up in the meantime?
Rebel was believed to be the most human-like engine that has ever reached GM strength. I think Rybka 3 Human has surpassed it in this aspect.

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Originally posted by heinzkat
[fen]5n2/B3K3/2p2Np1/4k3/7P/3bN1P1/2Prn1P1/1q6 w - -[/fen]

[pgn] the solution for eternal RHP fame.
There is no statement about who goes first. It changes things a bit, just a teeny, if it's black to move and mate.

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Originally posted by sonhouse
There is no statement about who goes first. It changes things a bit, just a teeny, if it's black to move and mate.
You're just being angry cuz you didn't get it before Swiss 😛