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I can't solve it, maybe someone else can? Possibly it's very easy but I don't see something :)
The puzzle is:
White has a king, a knight and a pawn. Black has a king and a queen. Set up such a position, that white wins even though it's black to move and the black king is not checked.
Note: even if white manages to promote, KQN vs KQ is usually a draw.
Rating 2396 and you can't solve this simple puzzle?!
Give the answer then Borg.
2396? That's bullet, it doesn't count :)
I guess I'm missing something simple
Tried for a bit, very tough because of drawing resources. I'm having trouble making a position with 2 threats where there's no stalemate or drawn pawn endgame.
So I don't think it's too simple because the queen can often sac itself for either piece to make a draw pretty easily.
Hahaha! I was just teasing Kacparov here, I have no idea how to solve it :-p
When you do find the answer, please post it!
I think I might be able to solve this with endgame tablebases, just by myself would probably be too hard
Good luck! I found it impossible to avoid a win by the queen-side let alone stopping draws and having the knight side win! I only gave it 20 minutes though.
Yeah, that'd be pretty easy, just look through the 7 million different combinations of 5 pieces on 64 squares and you'll have it in no time!
And hey, because of mirror positions and possibly more than 1 solution, you may have only 1 or 2 million to look through. Good luck.
I kept trying to make this type of thing work, but I decided it can't and has to be something else :)
Threatens two different mates, lookin good?
But there are too many checks on the 6th rank, the most annoying is just Qf6+ because of the stalemate.
Queen close to same rank or file as king eliminates lots of checks. I also tried to use knight as fodder to hamper the queen. But in those cases couldn't set up a threatening enough position.
I tried similar positions, there's just no way I could find to stop checks that lead to either a draw or win for the queen-side.
Wow wafflemaster, ? What I obviously meant is that there may be a line where white can queen that is a winning KQN vs KQ. Looking at all such positions (the KQN vs KQ that can arise) and seeing whether they are a win or a draw would be too much for me.
I still don't know the answer. There is one more idea (on the diagram), but black manages to save by Qe7+! or Qe8+! and then Kg7. Maybe it can be changed somehow so there is no Kg7 possibility.
edit: fortunately that doesn't really help any, either
It may be able to give the answer
That's closer than I got Kacparov, still no cigar tho! :-)
And still no solution ?
E mail one of the IMs or GMs on here, and ask them.
That was my idea too, but I was too lazy to go look up in one of my endgame books to learn when Q+N can beat Q and then try to come up with some clever way to force that position.
That would be a good way to approach the problem though.
(And putting random positions in an EGTB may take a long time).
If white first to move then Nf7 is mate. If not then draw
by Diakonia a few minutes ago
KID as Black.
by ChessOfPlayer 2 minutes ago
All The Reasons We Hate V3!
by kiwi 8 minutes ago
by DaniilZelenchuk 12 minutes ago
by Diakonia 12 minutes ago
The Philippines needs GM Joey Antonio
by Derekjj 13 minutes ago
was this lucky as lol
by MechHand 14 minutes ago
PawnCollector2013's account is closed!
by 1092c 15 minutes ago
Grandmaster wants to know if this queen sac was sound.
by MechHand 17 minutes ago
Is it possible that there are still good openings that remain unexplored?
by RDSmBax 18 minutes ago
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