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Here is the satuation Black: King(b7), rook (a8), Bishop (e8,b4), pawn (c7,e6,f7,g7) White: King(c4), rook (g4), Knight (f3), pawn (b2,c2,f2,g3)

It is white to move.

r3b3/1kp2pp1/4p3/8/1bK3R1/5NP1/1PP2P2/8 w - - 0 1

In this case, can the white king (c4) capture the black Bishop (b4)?

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  • 4
    See how to add a diagram to your question here: chess.meta.stackexchange.com/questions/179/… Commented Mar 24, 2023 at 23:43
  • 6
    Is the question "is it a legal move?" or "is it a good move?" or ? Commented Mar 26, 2023 at 11:25
  • Regardless, white is pretty well doomed. Black has the bishop pair, white is about to lose material, and is already basically trapped. At this point black will almost certainly win, barring a blunder. Commented Mar 29, 2023 at 2:22

3 Answers 3

11

A more complete answer:

  • Is it legal? Yes, it's a legal king move and the king is not in check afterwards.
  • Is it good? No, as after Ra4+ followed by Rxg4 White is a whole rook down instead of a light piece.
  • Is it relevant? Hardly, Black simply keeps a large winning advantage (after best move Rxg7) anyway, so you can as well take on b4 and pray to Caissa to strike your opponent with chess blindness :-)
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  • 2
    Hope that black sees rook a4 and doesn't like it? Commented Mar 26, 2023 at 13:55
  • @ComicSansSeraphim hope he is not a psychic either
    – cmgchess
    Commented Mar 26, 2023 at 16:20
1

The problem of course is the Ra4+ and the x-ray attack on the white rook, resulting in its loss, so that would be a bad move.

Depending who you play, you may be able to play white pawn B3. If ignored, then the Ra4+ will either not be played, or will result in the loss the of the black rook as it moves to A4.

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The black bishop on b4 is unprotected, so it's free for the taking.

Unfortunately, that's not the best move according to Stockfish.

2
  • Except its not free...
    – brekker
    Commented Mar 30, 2023 at 15:50
  • 2
    An explanation of why Stockfish doesn't like the move would have been great!
    – David
    Commented Apr 5, 2023 at 9:53

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