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Avatar of Adatel


 

A funny and unsense puzzle I've thought. 1st puzzle from a low ELO player, just made for fun.

 

U assume the role from a black king whose troops have fallen ill before the battle. Survive a full white army checking u in every turn (most times risking their own pieces for nothing) 48 total moves!!

Avatar of MARattigan
Adatel wrote:


 

A funny and unsense puzzle I've thought. 1st puzzle from a low ELO player, just made for fun.

 

U assume the role from a black king whose troops have fallen ill before the battle. Survive a full white army checking u in every turn (most times risking their own pieces for nothing) 48 total moves!!

But shame about moves 25 & 31.

Avatar of Element118

Suppose the white pieces all start on the original squares.

 

There are some positions of the black king (such as the original square e8) such that white cannot check every move. Let's not place the black king on those positions.

 

Let white start first instead. White is forced to check every move.


Black wins if there exists a time where white cannot check the king.

White wins if he delivers checkmate or can perpetual check the king.

 

Who wins with best play for each position of the black king?

Avatar of Element118

With starting square of black king e4, my analysis so far seems to be that black wins.

 

Black seems to win on 1. Nc3+.

 

1. Nc3+ Ke5 2. d4+ (2. Nf3+ Kd6 3. Nb5+ (3. Ne4+ Ke7) 3... Ke7) (2. f4+ Ke6 3. f5+ Kf7) 2... Kf6 3. Bg5+ (3. Nd5+ Kf7) (3. Ne4+ Kg6) 3... Kf7

Avatar of Adatel
MARattigan escribió:

But shame about moves 25 & 31.

omg! I missed them. Good point. Thanks for your comment

Avatar of Element118

The possibilities of d3+ and f3+ have been eliminated. Black wins on e4.

1. d3+ (1. f3+ Ke5 2. d4+ (2. f4+ Kf6) 2... Kf6 3. Bg5+ Kf7) 1... Ke5 2. Nf3+ (2. d4+ Kf6 3. Bg5+ Kf7) (2. Bf4+ Ke6) (2. f4+ Kf6) 2... Ke6 3. Nd4+ (3. Ng5+ Kd7) 3... Kd7

 

Any other squares which might be more interesting to consider?

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