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checkmate with 2 knights?


  • 5 years ago · Quote · #1

    rai25

  • 5 years ago · Quote · #2

    rai25

    possible?

  • 5 years ago · Quote · #3

    marvellosity

    Given White's last move was Nb6#, what was Black's last move?

    His king must have come from either a7, b7, or b8 - but all these squares are covered. Therefore the position isn't possible.

  • 5 years ago · Quote · #4

    Tyzer

    White to move? That's a bit odd.

     

    In any case, this position isn't reachable unless Black is being highly cooperative and/or a total idiot...

     

    EDIT: Ninja'd by marvellosity. But what you said isn't quite true - the position can be legally reached, but it requires Black to help.

  • 5 years ago · Quote · #5

    rai25

    so if like that  the black would be so stupid to go to a8

  • 5 years ago · Quote · #6

    TheGrobe

    His king could have come from b8 after being placed in check by the knight on c6.

    While possible, the King's option to move to c8 instead of a8 on the previous move, however, is why this position should be drawn.

  • 5 years ago · Quote · #7

    marvellosity

    Good call there, tyzebug.

    I guess that's why it's practically impossible to mate with 2 knights. Only one extremely obvious defensive move is required. I think even a rank beginner would intuitively stay out the corner and not get mated.

  • 4 years ago · Quote · #8

    Tyzer

    Yeah. From Wikipedia, "Although there are checkmate positions with two knights against a king, they cannot be forced. The player with the lone king has to make a blunder to be checkmated."

  • 4 years ago · Quote · #9

    rooperi

    Well, in some cases it can be forced, if Black has a pawn

  • 4 years ago · Quote · #10

    Tyzer

    Yep, but only in certain positions. Plus, it's no longer really a two knights mate, but instead a two knights vs pawn mate.

  • 4 years ago · Quote · #11

    rai25

    ok i got it

  • 4 years ago · Quote · #12

    Tyzer

    Taking that bishop gets Black mated faster than any other move though. Only a weak piece-grabber would play that move (or maybe someone who knows you can't force checkmate with two knights, but didn't notice that this position is...special). Then again, in that position Black is lost anyway so it's only a matter of time.

  • 4 years ago · Quote · #13

    1hitKO

    tonydal wrote:

    The only feasible reason that I can think of for Black to do that:

     


    lol nice

  • 16 months ago · Quote · #14

    GladysPool

    I'm well aware that 2 knights can;t force checkmate against a king. I'm currently playing a game where I have the king v the 2 knights, so my question is why doesn't the chess.com website not allow me to claim the draw. Am I going to have to wait 50 moves before being able to do so?

  • 16 months ago · Quote · #15

    rooperi

    Well, you can blunder into a mate, your draw is a theoretical "book draw". Unlike a single Knight, where mate is impossible, this is an actual insufficient material draw.

  • 16 months ago · Quote · #16

    nyLsel

    If Black has no pawn, then the game is a draw.

  • 16 months ago · Quote · #17

    nyLsel

    GladysPool wrote:

    I'm well aware that 2 knights can;t force checkmate against a king. I'm currently playing a game where I have the king v the 2 knights, so my question is why doesn't the chess.com website not allow me to claim the draw. Am I going to have to wait 50 moves before being able to do so?

    It can be a book draw or theoretical draw as rooperi said. :D

  • 16 months ago · Quote · #18

    eddysallin

    nyLsel wrote:
    GladysPool wrote:

    I'm well aware that 2 knights can;t force checkmate against a king. I'm currently playing a game where I have the king v the 2 knights, so my question is why doesn't the chess.com website not allow me to claim the draw. Am I going to have to wait 50 moves before being able to do so?

    It can be a book draw or theoretical draw as rooperi said. :D

    have u claimed a draw?

  • 16 months ago · Quote · #19

    GladysPool

    I've offered one, but my opponent wants to play on as he's never played with 2 knights before.

  • 15 months ago · Quote · #20

    SgtDoodles

    Tell him you want to experiment, by putting his King in a corner :D


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