How can white checkmate black in this chess puzzle?

Question

I was thinking about making some good chess puzzles and I found an interesting approach .

White to move.

Puzzle[1]

Assuming both players try to checkmate their opponent's kings , who will win the game?

Chess is also a boardgame and we welcome these questions here. — L. Scott Johnson, Apr 20, 2020 at 14:11
@DenisS Just because a question is on-topic for another stack doesn't mean that it isn't also valid here. Questions about chess are allowed here too. — diego, Apr 20, 2020 at 14:12
If you want to make chess puzzles, a good place to start would be using images of actual chess boards and pieces... that image you had was very difficult to read as a chess board; especially since the squares were not all the same size. You can use this website to easily create your own game states to play around with and show: lichess.org/editor/RR4bk/1B1ppnp1/5PnP/2pN2P1/1b6/2P2pp1/… — GendoIkari, Apr 20, 2020 at 14:18

L. Scott Johnson · Accepted Answer · 2020-04-20 13:38:18Z

5

Assuming white is moving up the board in the position as shown,

1.Rxg8+ Kh7
2.Rxg7#

BTW, the usual notation for Knight is N, not H.

You can also use online tools to make better pictures (and to produce more easily-shareable notation for the board).

For instance, your puzzle in FEN is

RR4bk/1B1ppnp1/5PnP/2pN2P1/1b6/2P2pp1/1P1P1p2/7K w - - 0 1

answered Apr 20, 2020 at 13:38

L. Scott Johnson

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ok thanks for the information , and nice that you got the checkmate position
– Anonymous
Apr 20, 2020 at 14:04
No need to assume. a1 is in the bottom left - white starts at a.
– Anatoly
Apr 23, 2020 at 16:50
@HaroldEd See the original unedited post for the ambiguity.
– L. Scott Johnson
Apr 23, 2020 at 16:52

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