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|Jan-19-12|| ||LIFE Master AJ: I am not sure what the box would do ...
BUT ... I would play 28.RxB/b2!, QxR; 29.Qxc8+!, NxQ/c8; 30.d7, and Black can't stop me from getting a new Queen.
Time to check ...
|Jan-19-12|| ||LIFE Master AJ: Nailed it!|
|Jan-19-12|| ||desiobu: Deflection is one of my favorite tactical themes.|
|Jan-19-12|| ||James D Flynn: This is a repeat of a theme we saw recently. If the N is on the back rank and the opposing P is on the sixth the pawn can advance and Q on either of 2 squares. Here the Q on c2 prevents that so it must be diverted: hence 28.Rxb2 Qxb2 29.Qxc8 Nxc8 29.d7 Nb6 30.d8+ Queens Kg7 (white is up a R for 3 pawns) 31.Qe7 Nc4 32.Re1 and the P on e5 falls leaving the black K exposed.|
|Jan-19-12|| ||kevin86: First move:sac the exchange to divert the queen;second move:sac the queen for rook to clear the last row;third move:push the pawn and threaten to queen at two squares.|
Both cannot be protected-white wins.
|Jan-19-12|| ||Patriot: How do we analyze when we are ill? My instructor estimates we lose about 200 rating points when we have the common cold. I've been sick for a few days with what may be a cold and running a mild fever. Yesterday I was unable to see that Bg5 not only attacks and pins black's queen to the king but also threatens mate in one. Today, feeling somewhat better, I was finally able to see that 28.Rxb2 wins since 28...Qxb2 29.Qxc8+ Nxc8 30.d7 forces a new queen through since black is unable to stop promotion on c8 or d8.|
I looked at 28.Qxc8+ Nxc8? 29.d7 Qc7 30.dxc8=Q+ Qxc8 31.Rxb2 and thought black is winning. My original 28...Nxc8? however is not best. The simple 28...Qxc8 is much better and to the point. I also thought about 28.Bxe5 (piling up on a pinned piece) may be the answer but white only wins a pawn in a losing position. Finally I stumbled onto the right combination, 28.Rxb2.
|Jan-19-12|| ||gofer: <27 ... Nf6> would have kept things alive for black, very much alive!|
|Jan-19-12|| ||Nemesistic: <LIFE Master AJ> <Nailed it!>|
AJ,thats not a nice thing to say when discussing your 2nd cousin lol
|Jan-19-12|| ||paulalbert: Glad to say I got this one; subtle and instructive.|
|Jan-19-12|| ||doubledrooks: Blew it. I missed that 28. Qxc8+ can be met with 28...Qxc8.|
|Jan-19-12|| ||Memethecat: <once> older & wrinkled yes, but wiser???|
|Jan-19-12|| ||Once: <JG27Pyth> Many happy returns! I hope you're having a good birthday. Lots of cake, champagne, perhaps a little foie gras, a chateaubriand, a bottle of something cheeky, a kiss and a cuddle that sort of thing.|
I wouldn't worry too much about the ageing bit. We are all racking up a score at precisely the same rate. Just keep trying to do so with a smile on your face!
|Jan-19-12|| ||Once: <Memethecat: ...wiser???>|
Oh yes. You should have seen that jumper...
|Jan-19-12|| ||gregkoch: <doubledrooks: Blew it. I missed that 28. Qxc8+ can be met with 28...Qxc8.>|
The important thing is that you had the imagination to consider 28.Qxc8. This is how you unravel tactical opportunities in puzzles and, more importantly, in OTB games. With a little more vision, we see why the original idea does not work immediately but in so doing, we now understand the enormous strain on Black's position. Thus, 28.Rxb2! happily munches on a piece that cannot be defended.
|Jan-19-12|| ||M.Hassan: "Medium" White to play 28.?
White has a Rook for a knight and 2 pawns:
White is still ahead. Not sure if this is the correct line. Time to check
|Jan-19-12|| ||chrisowen: Get shorty our leg over nb6 the wurst nf6 holds the crown |
jewels in dig rxb2 qxb2 dobbles hat qxc8+ nxc8 fought a sour
onslaught pd7 in up it again familiar patterned just the tonic
in sweeping Maroczy club foot off share and share alike b6.
Axis on paper in gate f6 and black has playable game see
ruffle a few feathers Ludwig qc8+ account for hope promoting
read pawn one in.
Marks out of ten too.
|Jan-19-12|| ||galdur: 28.Rxb2 wins easily.
If 28...Qxb2 29.Qxc8+ 1-0.
|Jan-19-12|| ||pericles of athens: wow i found it immediately! for a beginner like me that feels good on a thursday.|
|Jan-19-12|| ||Gilmoy: <Once: It's not a castle, it's a rook.>|
Growing up in the US: "What's a rook"? (Much later, I gleaned that it's British slang for `raven`, via Old Fr. `roc` eater-of-elephants: <28.RxBb2> :)
USA skipped the castle-building (and prince-imprisonment) phase, so we lack folklore associated with tower-nesting birds (and, ahem, enforced opportunities for the watching thereof). Turkeys! We have turkeys! And halieetii, and cats --
|Jan-19-12|| ||Julian713: Alright!! Finally got a Thursday puzzle!!|
|Jan-19-12|| ||hedgeh0g: A nice combination, which is fairly unusual in the fact that White's pawn forks two unprotected squares, rendering the Black queen completely helpless in stopping its promotion.|
|Jan-19-12|| ||Jaburu: Ludwig Engels (Dusseldorf 1905 - São Paulo 1967) lived for many years in São Paulo, Brazil. He had a chess column in the newspaper "The State of São Paulo".|
|Jan-20-12|| ||Once: <Gilmoy> An alternative explanation is that the word rook comes from the Sanskrit "rokh" or "rukh" which means a chariot.|
And when you think about it, that makes rather more sense than a rook being depicted as a castle or a bird. I mean, how realistic would it be for a building to start charging around the battlefield?
So what I think happened was this ... when the game of chess emigrated from arabia to western europe, the British, French and Spanish would have been thoroughly confused by these chariot pieces. European armies had horses and infantry but rarely went to war in anything with wheels.
So they looked around for something military which might replace the chariots. And that's when someone not particularly bright decided to portray them as castles. After all, castles were the B52s of their day. Powerful game changing assets which dominated the landscape and could win wars for you.
Then at some point the word "rokh" merged into the nearest english word, which just so happened to be the name of a bird. A process which is incidentally known as popular etymology or folk etymology.
Hence, that which we call a rook and which looks like a castle is really a chariot.
Or in more modern terms, think of rooks as the ancient equivalent of what you would call automobiles and the rest of us call cars. It's thunder road, four on the floor, a little red corvette, my little deuce coupe, greased lightning, and we'll have fun fun fun til her Daddy takes the T-Bird away.
|Jan-21-12|| ||optimal play: <Once><how realistic would it be for a building to start charging around the battlefield?> Weren't they originally portrayed on the chessboard in medieval Europe as siege towers which could be wheeled up to fortifications?|
|Jan-22-12|| ||Once: <optimal play> That's an interesting idea and not one that I'd heard before.|
There's a good article on the history of chess here:
The rook certainly seems to have started life as a chariot and ended up as a castle. But maybe it went through a transitional phase as a siege engine? It's possible.
I now have a lovely image in my head of the chess scene on board the Millenium Falcon with the animated pieces bashing each other. Only in my image, the rooks are siege engines being pushed around the board by giant trolls and manned by orcs.
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