Also, white must mate black in under 30 moves.
battle-tank chess 2.0
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Black can mate white but it'd be awfully hard to do. Black should simply try survivalism.
Pot calls a kettle black?
Mar 2, 2016
0
#7
I invented Black Hole chess. Unfortunately it started to swallow other topics, and ate several hundreds of other 10-seconds-variants posted by newengland7, before the admins were able to remove it.
It is an interesting question how you could balance such strongly asymmetric games.
I want to design a variant Pink Chess, with a setup that differs from FIDE only by that one side has two Kings and the other two Queens. One ingredient to balance the game could be to make the Queens absolutely royal (i.e. you lose whenever one gets captured, even if you still have another one), but the Kings only extinction royalty (meaning you have to capture both of them to win). That still leaves the problem how the side with the Queens could ever lose, as it is virtually impossible to checkmate a Queen. (Especially when you don't have any Queens yourself...) So perhaps it should be a win for the Kings when they manage to reach the last rank. In that case the end-game two Kings vs two Queens would be a win for the Kings if they are close enough to protect each other.
HGMuller--
Knight fork, bishop fork, rook fork, a fork with one of the two kings, pawn fork, bishop skewer, rook skewer.
Black obviously has chances to capture one or both queens.
Indeed, a pair of absolutely royal pieces is definitely a big liability, and would be easier to subdue than a single one. But even then I think that KK vs QQ (the initial imbalance) would not stand much chance to win, especially if there is other material (such as Pawns). Even if the Pawns could promote at most to Rook, the Queens must be much more effective in guiding their Pawns to promotion and stopping opponent Pawns than Kings, who cannot even step out of the 'square' of a passer without fatal consequences. So it seems the Kings would need some extra advantage to balance the game. Perhaps the Pawns of the Queen side should be allowed to promote only to (also royal) Queens. Then they still would pose no danger to a connected pair of Kings. And promotion of the King side could be made an instant win.
battle-tank chess 2.0 is out. To give black a chance, the black king can now teleport and the battle tank pieces are not allowed to be involved in the mate.