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I've lost count of the number of comments which ask - "how do you even know castling is possible ?"
For those of you who like technical 'stuff', there's a simple way of working it out - look at the FEN string for the puzzle. If you click on 'Solution' then a button marked 'FEN/PGN' appears towards the bottom-left of the diagram. Click on that button & a pane opens with the PGN data in it & amongst this is the FEN - it looks like this:-
[FEN "8/8/8/8/4p1p1/4pkN1/7P/4K2R w K - 0 1"]
It's a complete description of all the pieces on the board along with the player who's due to move next (w=White), castling information (K=White/Kingside castling available; Q=White Queenside; k&q=Black etc.), then En Passant (the hyphen means no pawns are E.P.), then the number of half-moves (I think this relates to the 50-move rule) & finally the number of the next move.
So the FEN information clearly shows that Kingside castling for White is possible !
The fact is we all got caught out on this one but at least we should know better next time
Ha, brilliant! I didn't even consider castling. No complaints, on the contrary, it wakens up the mind to consider more.
Extraordinarily unrealistic way of getting this right. Overall, a good one.
it would have been helpful to know i could still castle...
Yea, this is the most TROLL PUZZLE EVER XD
To Girts30, its a puzzle to exercise your "chess eye" to see the relationship of files diagonals and critical squares. This is a useful exercise because this is what you use to think ahead when creating a tactic in a real game. The fact that it was a 0-0 move in an end game tells you not to take anything for granted (in a puzzle or a real game).
Sorry mr. Einstein but this happens just inside your head. I doubt in the whole chess history that this position will ever be reached without a castle. And to castle with mate, pfew.
Anyway, I like this puzzle because it beaten me.
Well since I already posted 3 games in this topic (post #253) where there was a very late castling it is already documented that it can happen in real games. In two of those games the castling happened in move 48 (without a check mate), in the third game the castling happened in move 31 giving a check mate.
Want more documentation? Look here:
Paul Morphy vs Alonzo Morphy 1850, (without Queen's rook) ending with 18. 0-0# :http://www.chessgames.com/perl/chessgame?gid=1238144
Edward Lasker vs George Alan Thomas, 1912,the game could have ended with either18. Kd2# or with 18. 0-0-0#Lasker chose to play 18. Kd2#http://www.chessgames.com/perl/chessgame?gid=1259009
Lodewijk Prins vs Lawrence Day, 1968, ended with 31... 0-0-0#http://www.chessgames.com/perl/chessgame?gid=1037399&kpage=1
how on earth am i supposed to know that white didnt castle ???????
"Reykjavik Open, Round 6 | Commentary by FM Ingvar Johannesson & Fiona Steil-Antoni"
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