question abt fairy chess pieces

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xzvcnx

is it possible to force mate with only a king and archbishop (bishop+knight)? just wondering

GMSeeker

yes

GMSeeker

i did one

GFGFV

yep

Lucas1009991

yes

kirfickleslups

Pretty sure theres some positions that it's impossible from with an optimal opponent, even on an empty bar with just you king+archbishop and their king, but ik there are plenty that it's possible from.

xzvcnx

how does a wildebeest move

ChessMasterGS
xzvcnx wrote:

how does a wildebeest move

Like a knight + camel

Lucas1009991
AALIDAR wrote:

what about king+wildebeest

Really hard and tricky but possible

xzvcnx

how about 2 camels is that posible

Lucas1009991

No

Nyutixbrother

KNC vs K is also possible

Lucas1009991

I don’t think Checkmate is possible with a Knight, a King and a camel, even if that’s possible then it’s too tricky and unpractical

Nyutixbrother

It’s possible

(The white knight on e7 is a camel)

Nyutixbrother

Also KVN vs K is a win

Lucas1009991
jackityjackjack wrote:
Nyutixbrother wrote:

Also KVN vs K is a win

Remind me what V is?

Wildebeest

Nyutixbrother
jackityjackjack wrote:
Nyutixbrother wrote:

It’s possible

(The white knight on e7 is a camel)

Is that forcible?

Actually, no (because knights and camels can only make even cycles)

Lucas1009991
Nyutixbrother wrote:
jackityjackjack wrote:
Nyutixbrother wrote:

It’s possible

(The white knight on e7 is a camel)

Is that forcible?

Actually, no (because knights and camels can only make even cycles)

What are “even cycles”?

albmont57

Dave McCooey solved most of these checkmate problems about 30 years ago.

See here: https://www.chessvariants.com/misc.dir/endgames.html

For example, you can force checkmate with KNW (W = Wazir, moves like a rook, but just one square) but 80% of the positions of KNF (F = Ferz, moves like a bishop, but just one square) are draws

Also, there are analysis of K+piece vs K+piece, for example a King and Amazon (Queen+Knight) wins K+Q in about 50% of the position, but lose in about 20% of them (!!!)

Nyutixbrother
Lucas1009991 wrote:
Nyutixbrother wrote:
jackityjackjack wrote:
Nyutixbrother wrote:

It’s possible

(The white knight on e7 is a camel)

Is that forcible?

Actually, no (because knights and camels can only make even cycles)

What are “even cycles”?

Even cycle piece

uneven cycle piece