1. Joined
    25 Apr '06
    Moves
    5939
    23 Dec '09 14:00


    [pgn] the solution for eternal RHP fame.
  2. Standard memberSwissGambit
    Caninus Interruptus
    2014.05.01
    Joined
    11 Apr '07
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    92274
    23 Dec '09 17:29
    Originally posted by heinzkat
    [fen]5n2/B3K3/2p2Np1/4k3/7P/3bN1P1/2Prn1P1/1q6 w - -[/fen]

    [pgn] the solution for eternal RHP fame.
  3. Standard memberSwissGambit
    Caninus Interruptus
    2014.05.01
    Joined
    11 Apr '07
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    92274
    23 Dec '09 20:08
    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.
  4. Standard memberorion25
    Art is hard
    Joined
    21 Jan '07
    Moves
    12359
    23 Dec '09 20:15
    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...
  5. Standard memberSwissGambit
    Caninus Interruptus
    2014.05.01
    Joined
    11 Apr '07
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    92274
    23 Dec '09 20:55
    Originally posted by orion25
    meh, I bet you needed a board...
    Of course ... who wants to type 30 moves out by hand? 😉
  6. Joined
    04 Nov '08
    Moves
    20436
    23 Dec '09 21:40
    Great puzzle. Rather worryingly, I could see no forced line but assumed black to play and wondered why it would take 30 moves.
  7. Joined
    29 Aug '09
    Moves
    1574
    24 Dec '09 02:32
    I think white is a checkaholic.
  8. Joined
    25 Apr '06
    Moves
    5939
    24 Dec '09 04:13
    Rec'd!!!
  9. Joined
    25 Apr '06
    Moves
    5939
    24 Dec '09 04:25
    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?
  10. Standard memberSwissGambit
    Caninus Interruptus
    2014.05.01
    Joined
    11 Apr '07
    Moves
    92274
    24 Dec '09 22:331 edit
    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.
  11. Account suspended
    Joined
    30 May '09
    Moves
    0
    24 Dec '09 23:42
    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.
  12. Subscribersonhouse
    Fast and Curious
    slatington, pa, usa
    Joined
    28 Dec '04
    Moves
    53223
    25 Dec '09 01:22
    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.
  13. Joined
    25 Apr '06
    Moves
    5939
    25 Dec '09 01:45
    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 😛
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