Posers and Puzzles

Posers and Puzzles

  1. Joined
    29 Feb '04
    Moves
    22
    16 Apr '05 08:19
    Originally posted by schakuhr
    yeah but how did the black light-squared bishop get out of his normal spot?
    It escaped after bxa6 and before c7-c6.
  2. Johannesburg
    Joined
    02 May '04
    Moves
    13019
    16 Apr '05 10:20
    Originally posted by phgao
    I can find Mate in 9.



    1. Qf7+ Kd8
    2. Ne6+ Kc8
    3. Nc5 Rd8
    4. Bd3 Bf1
    5. Bxf1 Rb8
    6. Bxa6+ Rb7
    7. Qb3 Re8
    8. Qxb7+ Kd8
    9. Qxd7#
    I haven't checked for other possible solutions, but yours works if you tweak the finale.
  3. Non-Sub Recs: 0
    Joined
    08 Apr '05
    Moves
    455
    16 Apr '05 11:002 edits
    Originally posted by craigy
    I haven't checked for other possible solutions, but yours works if you tweak the finale.
    How would you tweak the finale?
    We need mate in 8.
  4. Johannesburg
    Joined
    02 May '04
    Moves
    13019
    16 Apr '05 11:26
    Originally posted by phgao
    How would you tweak the finale?
    We need mate in 8.
    With 7. Bxb7+ followed by mate.
  5. Non-Sub Recs: 0
    Joined
    08 Apr '05
    Moves
    455
    16 Apr '05 11:402 edits
    Originally posted by craigy
    With 7. Bxb7+ followed by mate.
    Please write the line, I don't seem to follow you.

    We get:

    7. Bxb7+ Kb8
    8. Qb3 a6
    9. Bxa6+ Ka7
    10. Qb7#

    Were you thinking of 8. Na6+? But Kxb6...
  6. Johannesburg
    Joined
    02 May '04
    Moves
    13019
    16 Apr '05 18:08
    Originally posted by phgao
    Please write the line, I don't seem to follow you.

    We get:

    7. Bxb7+ Kb8
    8. Qb3 a6
    9. Bxa6+ Ka7
    10. Qb7#

    Were you thinking of 8. Na6+? But Kxb6...
    8. Qxd8#
  7. Johannesburg
    Joined
    02 May '04
    Moves
    13019
    16 Apr '05 19:18
    Originally posted by phgao
    Please write the line, I don't seem to follow you.

    We get:

    7. Bxb7+ Kb8
    8. Qb3 a6
    9. Bxa6+ Ka7
    10. Qb7#

    Were you thinking of 8. Na6+? But Kxb6...
    Doh! my mistake, I mixed up some lines in my analysis.
  8. Joined
    30 Oct '04
    Moves
    7797
    17 Apr '05 19:47
    THUDandBLUNDER is right.
    1.Qb7! Rd8 2.Qb3 Ra8 3.Bd3 Rh1+ 4.Bb1 Rh8 5.Qc3 and the rest is pretty much obvious.
  9. SubscriberBigDoggProblem
    Court Jester
    lacking discretion
    Joined
    26 Nov '04
    Moves
    124982
    18 Apr '05 00:27
    Originally posted by ilywrin
    THUDandBLUNDER is right.
    1.Qb7! Rd8 2.Qb3 Ra8 3.Bd3 Rh1+ 4.Bb1 Rh8 5.Qc3 and the rest is pretty much obvious.
    4...Rh8 leads to the third repetition of position!

    Rumor has it that this problem forced FIDE to change the definition of the threefold repetition to include castling rights. If castling rights are not included, the game would be declared a draw even though white has a forced mate.
  10. SubscriberMarinkatomb
    wotagr8game
    tbc
    Joined
    18 Feb '04
    Moves
    61941
    18 Apr '05 08:19
    1.Bd3 seems to cover the kings escape. If i had a board handy i'd work it out properly...
  11. Joined
    29 Feb '04
    Moves
    22
    18 Apr '05 10:471 edit
    Originally posted by marinakatomb
    1.Bd3 seems to cover the kings escape. If i had a board handy i'd work it out properly...
    1. Bd3 Rh1+
    2. Bb1 O-O-O (or 2.......RxB 3. O-O-O) and a quick mate looks highly unlikely.
  12. Standard memberGalaxyShield
    Mr. Shield
    Joined
    02 Sep '04
    Moves
    174290
    22 Apr '05 05:39
    Nh7 might work. Not sure if it leads to forced mate but it looks pretty promising.
  13. SubscriberBigDoggProblem
    Court Jester
    lacking discretion
    Joined
    26 Nov '04
    Moves
    124982
    22 Apr '05 15:55
    Originally posted by GalaxyShield
    Nh7 might work. Not sure if it leads to forced mate but it looks pretty promising.
    1.Nh7? has already been tried - look at page 1 of this thread.

    The solution to the problem has also been posted in the thread.
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