impossible.
Is mate forcible with an archbishop and king vs. lone king?
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Thanks (If you meant impossible to checkmate, that's not true. Enemy king on a1, our king on b3, archbishop on c2, checkmate).
Maybe, depending on how well it can box in the opposing king.
It probably is, since a rook can force mate, the archbishop is far more stronger than the rook, controlling about 25 squares or so when in the center. So it makes sense if it can force mate.
Aug 5, 2011
0
#6
The archbishop does not control 25 squares when in the center. The bishop controls 13, and the knight controls 8. Total 21. The rook controls 14.
Okay, I was trying this and came up with a possible stalemate:
I'm thinking it might, because the queen is said to be a little stronger than a rook and bishop, so why shouldn't an archbishop be stronger than a knight and a bishop?
ozzie_c_cobblepot wrote:
The archbishop does not control 25 squares when in the center. The bishop controls 13, and the knight controls 8. Total 21. The rook controls 14.
oops.. overestimated 
Did I count too? Of course not 
I tryed it out and it is possible (I probably missed the quicker mate, please comment on what would be quicker.)
checkmateibeatu wrote:
I tryed it out and it is possible (I probably missed the quicker mate, please comment on what would be quicker.)
20. NBc6#
Nov 19, 2023
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#12
if a bishop and knight can checkmate than a archbishop should also be able to checkmate because it moves like a knight and a bishop
Why do weaker players want to play oddball things like this?
I'm not sure why this thread was resurrected but the archbishop can deliver checkmate all by itself. Black King on h8. White Archbishop on f6 (bishop powers deliver check and knight powers cover g8 and h7). White King anywhere else but not adjacent to the Black King.
Aug 7, 2024
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#16
Hello! Im trying to find the archbishop piece (yk the one that moves like a kight and a bishop) for my own chess variant, but IDK WHERE IT IS 😭. I NEED HELP!!! 😭💀.
I tried it out against myself. The result is: Yes, the archbishop can force checkmate! You just have to drive it to the edge and not stalemate.
Aug 8, 2024
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#18
Superplayer7472 wrote:
I tried it out against myself. The result is: Yes, the archbishop can force checkmate! You just have to drive it to the edge and not stalemate.
Did you play against the maximum engine, or yourself? If yourself, then it does not count, since you might not have made the best move every turn.
This is part of the 4-piece table based in Gothic Chess and is a known win.
https://triceschess.com/programs_03.shtml
Just wondering (in case you are unfamiliar with an archbishop, it moves as a bishop and a knight).