1. Joined
    01 Apr '05
    Moves
    8760
    06 Apr '07 03:001 edit


    One from a kings indian game I saw recently, this isn't the exact situation but it works.

    BLACK TO MOVE AND WIN
  2. Joined
    28 Nov '05
    Moves
    1272
    06 Apr '07 10:00
    Nf3 I believe fits the bill.
  3. Denver
    Joined
    07 Sep '06
    Moves
    278
    06 Apr '07 18:33
    No because the bishop's path is blocked by the knight. After that, he can still move. Not a checkmate.
  4. Denver
    Joined
    07 Sep '06
    Moves
    278
    06 Apr '07 18:34
    Impossible to win in one move.
  5. Standard memberwittywonka
    Chocolate Expert
    Cocoa Mountains
    Joined
    26 Nov '06
    Moves
    19249
    06 Apr '07 18:39
    Originally posted by goalkeeper24
    Impossible to win in one move.
    He didn't specify "black to move and win in one..." 😛
  6. Donationrichjohnson
    TANSTAAFL
    Walking on sunshine
    Joined
    28 Jun '01
    Moves
    63101
    10 Apr '07 03:05
    1. ... Bxf2+
    2. Kh2 (Rxf2...Qxb1+) ... Bg1+
  7. back in business
    Joined
    25 Aug '04
    Moves
    1264
    10 Apr '07 10:522 edits
    Originally posted by prosoccer
    [fen]B3rrk1/pbp2ppp/3p4/2b1n1B1/Q6P/P5P1/1q3P2/1R3RK1[/fen]

    One from a kings indian game I saw recently, this isn't the exact situation but it works.

    BLACK TO MOVE AND WIN
    Nf3+ Kany Qxb1 wins easily. had this position occurred in one of my games, I would not even waste time considering anything else. It is easy to see that black gets enough material for his sacced queen.


    in fact there are lots of ways to win. Bxf2+ wins too. Even Qxb1 right away should win.
  8. Joined
    17 Mar '07
    Moves
    207
    11 Apr '07 22:18
    Originally posted by richjohnson
    1. ... Bxf2+
    2. Kh2 (Rxf2...Qxb1+) ... Bg1+
    Oo, that's a gorgeous combination. Is it what you had in mind, prosoccer?

    (Jusuh, he said this wasn't the exact position. The point was to find the mating combination; the other forces can be balanced to make this a proper problem easily enough.)
  9. back in business
    Joined
    25 Aug '04
    Moves
    1264
    12 Apr '07 10:482 edits
    Originally posted by CZeke
    Oo, that's a gorgeous combination. Is it what you had in mind, prosoccer?

    (Jusuh, he said this wasn't the exact position. The point was to find the mating combination; the other forces can be balanced to make this a proper problem easily enough.)
    The game I believe prosoccer is referring to is Botwinnik-Smyslov from 1954.



    Black (Smyslow) to play. This is the correct position
  10. Joined
    17 Dec '06
    Moves
    8208
    13 Apr '07 01:362 edits
    Just giving it a shot:

    1. Nf3+ -- Kh1, Kg2
    2. Nd2+ -- f3, Bxb7, K anywhere
    3. Nxb1

    -Notation is assuming black is to move first- Also on move 2 for white they can play Qe4 or Qc6 as well, but both moves seemingly lose to 3. BxQ+.
  11. Joined
    17 Dec '06
    Moves
    8208
    13 Apr '07 14:52
    Looking at it a little more it doesn't look terribly good for black. argh...
  12. Standard memberPBE6
    Bananarama
    False berry
    Joined
    14 Feb '04
    Moves
    28719
    13 Apr '07 17:40
    Originally posted by Jusuh
    The game I believe prosoccer is referring to is Botwinnik-Smyslov from 1954.

    [fen]B4rk1/pb3pbp/3p2p1/4n1B1/Q5P1/P5P1/1q3P2/1R3RK1 w - - 0 1[/fen]

    Black (Smyslow) to play. This is the correct position
    Here's the complete game:

    http://www.chessgames.com/perl/chessgame?gid=1032320
  13. Joined
    17 Mar '07
    Moves
    207
    13 Apr '07 21:24
    Thanks for the link. That was well played by Smyslov -- a good demonstration of Capablanca's point that three minor pieces are a bit better than a queen.

    I still love richjohnson's combination. I'll see if I can rejig the position so that's the solution.
  14. Joined
    17 Dec '06
    Moves
    8208
    13 Apr '07 21:40
    Haa! Knew it. It had to be Bxh8, for some reason I thought Nd2+ won a rook but later noticed black only had one rook to start with. That is a rather nice touch though: 1. Bxa8 -- Rxb2
    2. Nf3+ -- K anyhwere
    3. Nxg5+ -- K anyhwere, f3, Qd4, Qe6
    4. Bxb2 🙂
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