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Mate in 1 puzzles!!

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finn416

Most mate in one puzzles are boring and easy. Can you post a hard one?

P.S. Please post DIAGRAMS. 

P.P.S. Please post your answers in white text, and some other colour.

WeLearnChess

You could try the book Chess: 5334 Problems, Combinations, and Games by Laszlo Polgar. There are over 300 Mate-in-One puzzles that get progressively more difficult, and then the book continues with Mate in Two (over 3,000 puzzles), Mate in Three, and then combination puzzles. The book is a bit older so some libraries have a copy of it, or you can get a relatively cheap copy online. 

Arisktotle

Mate in one, with a twist of course, so you are warned!

 

Solution (in white text, highlight to see):

A little inspection reveals there are really 9 black pawns on the board as Be4 must be a promoted pawn. In order to make the position legal, one of those 9 pawns must be removed. Whichever you choose, in the remaining position there is always a mate in one! Except for pawn g4. However, after removing g4 the position is still illegal and no mate needs to be supplied! Feel tricked? You were!

finn416
WeLearnChess wrote:

You could try the book Chess: 5334 Problems, Combinations, and Games by Laszlo Polgar. There are over 300 Mate-in-One puzzles that get progressively more difficult, and then the book continues with Mate in Two (over 3,000 puzzles), Mate in Three, and then combination puzzles. The book is a bit older so some libraries have a copy of it, or you can get a relatively cheap copy online. 

I'm not looking for books, as implied by the OP. 

finn416

This is irrelevant...

finn416
Arisktotle wrote:

Mate in one, with a twist of course, so you are warned!

 

 

Solution (in white characters, highlight to see):

A little inspection reveals there are really 9 black pawns on the board as Be4 must be a promoted pawn. In order to make the position legal, one of those 9 pawns must be removed. Whichever you choose, in the remaining position there is always a mate in one! Except for pawn g4. However, after removing g4 the position is still illegal and no mate needs to be supplied! Feel tricked? You were!

Cool! Very smart--I appluad. 

RottenPretzel
[COMMENT DELETED]
Arisktotle

Mate in one

Solution in white text (highlight to see):

1.Ndb4#  The other move which seemingly mates is 1.0-0-0 but it is illegal since the black rook on a2 could never have arrived there without moving Ra1!

finn416
Arisktotle wrote:

Mate in one

Solution in white text (highlight to see): (not there in quote)

finn416

Hee hee, I'm working on a beautiful composition that is a tad easy but cool.

finn416
White to move
Finn, 2016
WeLearnChess

White has three Bishops, and the board is extremely difficult to look at. 

Arisktotle

I see 2 mates in one. I assume Bh8 canbe removed.

finn416

OOPS!! Bh8 is supposed to be Black! Sorry!

Another-Life
Arisktotle wrote:

Mate in one, with a twist of course, so you are warned!

 

 

Solution (in white text, highlight to see):

A little inspection reveals there are really 9 black pawns on the board as Be4 must be a promoted pawn. In order to make the position legal, one of those 9 pawns must be removed. Whichever you choose, in the remaining position there is always a mate in one! Except for pawn g4. However, after removing g4 the position is still illegal and no mate needs to be supplied! Feel tricked? You were!

Why must the Be4 be a promoted pawn and not a normal bishop?

Bilbo21

Not really that difficult, I know

Arisktotle
finn416 schreef:

OOPS!! Bh8 is supposed to be Black! Sorry!

1 little buggy removed, 1 little buggy added. Only 1 mate remains, but now there are 2 dark-squared black bishops on a7 and h8!

Arisktotle
Another-Life schreef:
Arisktotle wrote:

Mate in one, with a twist of course, so you are warned!

Why must the Be4 be a promoted pawn and not a normal bishop?

How could the normal bishop have left its home square c8 in this pawn formation?

Arisktotle
Bilbo21 schreef:

Not really that difficult, I know

This is an extraordinarily difficult mate in 1; I can't find the solution (unless white plays top to bottom).

..... Gotcha, you changed it! Now it's allright.

Bilbo21

yes, the only problem now is that position could never occur, since there were no legal moves, for black's previous one