1. Joined
    21 Sep '05
    Moves
    27507
    31 Jan '12 20:52
    Originally posted by greenpawn34
    White mates next move.
    Look again. 🙂
  2. Joined
    30 Jan '12
    Moves
    0
    01 Feb '12 10:34
    Originally posted by sonhouse
    First thing I thought of was promoting to a knight. That seems also enough to win, no stalemate from the check with the black queen.
    But after black plays Qa2 either it's hard or impossible for white to activate his knight
  3. SubscriberPonderableonline
    chemist
    Linkenheim
    Joined
    22 Apr '05
    Moves
    655348
    01 Feb '12 11:55
    Originally posted by Varenka
    Look again. 🙂
    next forced move for white is blocking the white bishop...
  4. THORNINYOURSIDE
    Joined
    04 Sep '04
    Moves
    245624
    01 Feb '12 13:19
    Originally posted by Ponderable
    next forced move for white is blocking the white bishop...
    Then what happens?
  5. THORNINYOURSIDE
    Joined
    04 Sep '04
    Moves
    245624
    01 Feb '12 13:22
    Originally posted by greenpawn34
    Valid under promotions to a Bishop are very rare.

    Here is a nice example. Tomic -v- Winzbeck, Dortmund 1993

    [pgn]
    [FEN "2r1b2k/2P4p/3R2pP/p2B1pP1/Pp2pP2/1P2K3/8/8 w - - 0 1"]

    2. Rd8 Rxd8 {Now promotion to a Queen or Rook is stalemate.}
    3. cxd8=B {White mates next move.}[/pgn]

    Tim Krabbe has gathered together quite a few examples of under promotions.

    http://timkr.home.xs4all.nl/chess2/minor.htm
    Does black bishop to f7 not prevent the mate next move?
  6. Joined
    21 Sep '05
    Moves
    27507
    01 Feb '12 13:29
    Originally posted by adramforall
    Does black bishop to f7 not prevent the mate next move?
    Yes. White can still win but Black can drag it out a bit. In the initial position, Be6 looks more to the point.
  7. e4
    Joined
    06 May '08
    Moves
    42492
    01 Feb '12 17:58
    Originally posted by Varenka
    Look again. 🙂

    You are being silly. White just plays 1.Bxf7 and then it's mate next move. 🙂

    Been haunted by stalemate recently.
    In a blitz game just last night. I'm Black.

  8. Joined
    15 Jun '06
    Moves
    16334
    01 Feb '12 20:321 edit
    Originally posted by greenpawn34
    Valid under promotions to a Bishop are very rare.

    Here is a nice example. Tomic -v- Winzbeck, Dortmund 1993

    [pgn]
    [FEN "2r1b2k/2P4p/3R2pP/p2B1pP1/Pp2pP2/1P2K3/8/8 w - - 0 1"]

    2. Rd8 Rxd8 {Now promotion to a Queen or Rook is stalemate.}
    3. cxd8=B {White mates next move.}[/pgn]

    Tim Krabbe has gathered together quite a few examples of under promotions.

    http://timkr.home.xs4all.nl/chess2/minor.htm
  9. e4
    Joined
    06 May '08
    Moves
    42492
    01 Feb '12 22:06
    Er...no...I I made a mistake. It happens.
  10. Joined
    08 Apr '09
    Moves
    19512
    02 Feb '12 09:581 edit
    Hey all,

    what if Black does not play 1. .. Rxd8, but Ra8? It seems like a good stalemate trap to me.
    - 2. Rxa8: stalemate
    - 2. c8=(whatever) Rxc8 3. Rxc8: stalemate (if not 3. Rxc8, Black removed the promoting pawn, which is good. The game afterwards is drawish)
    - 2. something else: I don't see opportunities for white. Suggestions?
  11. Joined
    21 Sep '05
    Moves
    27507
    02 Feb '12 12:21
    Originally posted by tvochess
    - 2. something else: I don't see opportunities for white. Suggestions?
    e.g. Bxa8. If you then revise your idea to be Rd8, Rb8 (instead of Ra8) then again White just plays the bishop somewhere to remove the stalemate, e.g. Ba8
  12. Joined
    08 Apr '09
    Moves
    19512
    02 Feb '12 12:45
    Originally posted by Varenka
    e.g. Bxa8. If you then revise your idea to be Rd8, Rb8 (instead of Ra8) then again White just plays the bishop somewhere to remove the stalemate, e.g. Ba8
    Indeed, always easy to miss moves when not looking at the board. 😉
  13. New Braunfels, Texas
    Joined
    22 Aug '07
    Moves
    72283
    02 Feb '12 14:071 edit
    never mind
  14. The Ghost Bishop
    Joined
    11 Oct '11
    Moves
    877
    02 Feb '12 15:13
    Originally posted by tomtom232
    [pgn]
    [FEN "2r1b2k/2P4p/3R2pP/p2B1pP1/Pp2pP2/1P2K3/8/8 w - - 0 1"]

    2. Rd8 Rxd8 {Now promotion to a Queen or Rook is stalemate.}
    3. cxd8=B {White doesn't mate next move but still wins the game.} Bf7 4. Bf6+ Kg8 5. Bxf7+ Kxf7 6. Bd8 {and white will gobble black's queenside pawns... I'm sure when greenpawn said white mates next move he meant and white mates some next move. = )} [/pgn]
    Mate. Perhaps someone knows a faster way?
    2 extra credit points to whoever can tell me the name of the Kd2 tactic.



    Q
  15. Joined
    15 Jun '06
    Moves
    16334
    02 Feb '12 17:311 edit
    Originally posted by PhySiQ
    Mate. Perhaps someone knows a faster way?
    2 extra credit points to whoever can tell me the name of the Kd2 tactic.

    [pgn][SetUp "1"][FEN "2r1b2k/2P4p/3R2pP/p2B1pP1/Pp2pP2/1P2K3/8/8 w - - 0 1"]1. Rf6 {threatening mate} Bd7 2. Kd2 {not e2, else white must reply... Kd2 followed by e3+ and Ke2 and black is in zuggers!} e3+ 3. Ke2 {zuggers!} Re8 {logical} 4. R ...[text shortened]... {but not Rxe8 else stalemate trouble looms again} Rf8 7. Rd8 Rxd8 8. cxd8=R# 1-0[/pgn]

    Q
    nvm
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