BrainKing - 讨论板 (Chess variants (8x8))

监管者: WhisperzQ

, Mort

, Bwild

Chess variants (8x8)

including Amazon, Anti, Atomic, Berolina, Corner, Crazy Screen, Cylinder, Dark, Extinction, Fischer Random, Fortress, Horde, Knight Relay, Legan, Loop, Maharajah, Screen, Three Checks

For posting:
- invitations to games (you can also use the New Game menu)
- information about upcoming tournaments
- discussion of games (please limit this to completed games or discussion on how a game has arrived at a certain position ... speculation on who has an advantage or the benefits of potential moves is not permitted)
- links to interesting related sites (non-promotional)

Community Announcements:
- Nasmichael is helping to co-ordinate the Fischer Random Chess Email Chess (FRCEC) Club and can set up quad or trio games if you send him a PM here.

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5. 二月 2011, 23:34:13

RGroszkiewicz

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题目: Re: Ice age chess - checkmate timing

Bwild: Yes, that is what the rules say. I wanted clarification about something that is NOT clear in the rules.
For example, in this game, one possible line was 40.Bd4 Re1, which looks like Black checkmates White. But it may be a stupid move that loses the Black Rook, due to the Ice Age event.

5. 二月 2011, 18:53:01

RGroszkiewicz

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题目: Ice age chess - checkmate timing

被RGroszkiewicz修改(5. 二月 2011, 18:53:48)

I would like clarification on the timing of the Ice Age event. It will affect my strategy in an actual game.

Assume Black can checkmate White immediately on the 40th move. The checkmate is caused by a Rook or Queen several squares away from the White King.

White would be checkmated after Black moves, but only before the Ice Age event. Once the Ice Age event occurs, those empty square are filled with ice, so the White King is not checkmated.

Is the game over? Or does White get to keep playing?

26. 六月 2009, 22:25:34

RGroszkiewicz

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题目: Re: Cheshire Cat Chess - checkmate??

pedestrian: AHA! I knew I was overlooking something obvious.

26. 六月 2009, 21:49:11

RGroszkiewicz

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题目: Cheshire Cat Chess - checkmate??

I am trying to play this crazy variant. I was looking at some archived games, and came across this one: Cheshire Cat Chess (bobowski74 vs. kleineme)

Can anyone explain to me why Black is checkmated? There appear to be two legal moves to escape from check: 9... Ka5 or 9... Kb4

Maybe there is something missing from the description of the Cheshire Cat Chess rules?