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"You have to find a sequence of 153 Black moves in a row (without giving or walking into check; White not moving) so as to reach a position where White can make one move, stalemating Black."
It is worth it.
I have an idea. Rg4, Rh6, Kh2, Kh3, Kh4, Kh5, Rh4, Rh2, Kh3, Rh4, Rg4, K moves, DOESN'T take the darksquared bishop, then takes the rook on d3, and we go back to our rook maneuver. K moves to h3, Rh4, Rh6, Kh4, Kh5, Rh4, Rg4, K moves to e1, Kxd1, K moves back to h6, (with a few rook moves) Kg7, Kf7, Ke8, Kd7, K moves, takes the knight on b3, and then we go back to Kd1 (with a few more rook moves) Kc1, Kxb1, Kc1, King moves all the way back to b3 without taking the rook on a2 or dark squared bishop. Finally, Kxc3, Kxd4, K moves back to g7. A few rook maneuvers and we have this position: [diagram]. Now we advance the h pawn to h4. The only move that black can make now is Kg1, which is stopped by Bc5!
The only problem is I have no idea how many moves those are!
Come on, I thought the task was clear enough! "153 Black moves in a row" means that white is only allowed to move at the very end of the sequence of black moves. It is not an orthodox problem, please take it seriously :)
So at the end of the 153 consecutive Black moves, White can only make one possible move? And that move stalemates Black?
I only ask because a "helpmate" is usually a problem where Black is checkmated at the end, not stalemated.
No, at the end of the 153 consecutive Black moves there exists some white move which stalemates Black.
Yes it's a mistake. It's supposed to be serial stalemate. In a serial helpmate the final result is checkmate.
Yes, sorry. I miswrote the title, and then I had troubles editing it. Apparently for some reason it is not allowed to edit the title.
You can edit the title. Go to this page (http://www.chess.com/members/view_content/Mottian), you will see something looking like this.
Then you click on the link saying "Edit" that I've circled in red. (on the same row as "Serial Helpmate in 153"). An editor will open that allows you to change the title.
Thank you piphilologist ! :)
Yes that's nice, I also didn't know that.
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