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|Jun-30-13|| ||mistreaver: Sunday. Black to play. Insane. 17...?
This position obviously arose from the sicilian dragon.
There is standard idea of Rxc3, but for the moment white can recapture with the knight.
The idea is to divert the knight
18 Rxc3 bxc3
19 Bxc3 and white is busted
17 Rh3 Nxe2
18 Qxe2 Rxc3
19 Bxc3 Qxa2+
20 Kc1 Bxc3
and again black wins.
Time to check and see.
Okay, i missed the best defence, but it is still a pleasure to get Sunday puzzle virtually in a glance, altough i have to say that this is pretty easy for Sunday.
Also, my Fritz brought joy in another direction, he immediatelly gave
18 Nxg3 Rxc3
19 a3 Rxa3
20 Qxa5 Rxa5
as the best defence, with 'only' a winning endgame for black.
|Jun-30-13|| ||James D Flynn: White has sacrificed a pawn to open the h file for an attack on the castled Black K. The Black N on h5 is attacked by White’s g pawn and its only safe square is f6. The game might then proceed 17…..Nf6 18.Bh6 Rac8 19.Bxg7 Kxg7 19.Qh6+ Kg8 20.g5 Nh5 21.Rxh5 gxh5 22.Rh1 and White has a potent attack and Black’s counter attack appears to be too slow. However, Black too has threats against the White K: he can sacrifice the exchange and win the a pawn opening the White K position eg. 17….Rxc3 18.Nxc3 Bxc3 19.Qxc3 Qxa2+ 20.Kc1(White has the fight square d2) Rc8 21.Qa3 Qxa3 22.bxa3 Nf6( Ng3 23.Rh2 Rc3 24.Re1 Nf1 25.Rhe2 Bc4 looks interesting) and Black has 2 pawns for the exchange and neither sides K is in danger. The problem with Back’s attack is the N on e2 defends c3 what about diverting it with 17…..Ng3 18.Rg1(not Nxg3 Rxc3 19.bxc3 Qxa2+ 20.Kc1 Qa1#)Nxe2 19.Qxe2(the K needs a flight square) Rxc3 20.bxc3 Qxa2+ 21.Kc1 Qa1+ 22.Kd2 Qxc3+ 23.Kc1 Bb3 with a winning attack.|
|Jun-30-13|| ||Marmot PFL: The thematic move for black in the dragon is Rxc3, but here the other knight protects Nc3. 17...Ng3! diverts this knight and black breaks through with 18 Nxg3 Rxc3 19 bc Bxc3 mates or wins the queen, and if 19 b3 Rac8 with decisive attack.
I found 17...Ng3 rather quickly as I had seen a similar sacrifice in a game by AJ Goldsby.|
|Jun-30-13|| ||offramp: Never mind the prolix....|
|Jun-30-13|| ||morfishine: <OhioChessFan> On your comment: <BTW, I missed this one. My visualization skills are pitiful...> I wouldn't bemoan this one too much. This one is heavily weighted to knowing or being familiar with the opening [ie: Dragon]|
|Jun-30-13|| ||patfoley: <cyclon> My newer analysis of yesterday's Ne6 is that White can get a draw, but I have not nailed down an advantage. It looks like Alekhine's Nd5 was better. The problem is that Ne6 winds up taking the R at D8 and then not being able to escape ... or Black's g3 B gets to come back to e5 and slow the attack.|
|Jun-30-13|| ||sethoflagos: 17...Ng3! exposes the weakness of 14.Nde2? Much better for white is 14.Nd5|
If today's was a tad easy, try this similar position I ran into on Friday
click for larger view
Can white save the game?
Comments/solutions welcome on my profile page
|Jun-30-13|| ||cyclon: <patfoley:> Thank you for your estimation.|
|Jun-30-13|| ||playground player: Philip Morris gets smoked!|
|Jun-30-13|| ||numbersguy70: Nice to see a Chris Ward puzzle. I enjoyed his book, The Controversial Samisch King's Indian, so much that I push the Samisch out as white as often as I'm allowed.|
|Jun-30-13|| ||BOSTER: This is the Karpov's opinion about Dragon in Sicilian.
"In my career I have met Dragon many times, and only once black could draw".
In Dragon the thematic sacr. Rc8xc3 usually gives a countergame. So, in game Karpov vs Korchnoi 1974 Karpov played Nde2 to support the knight on c3, following the Nimzo's advice that strategical important squares should be overprotected.|
|Jun-30-13|| ||Jimfromprovidence: <cyclon> <Pardon me, but if you and no one else doesn't mind, I would like to know what is the possible outcome regarding yesterdays puzzle in the case White plays 20. Ne6 instead of immediate 20. Nd5.> |
I responded yesterday. Just go back to that game page.
Alekhine vs Saemisch, 1923
|Jun-30-13|| ||FSR: I already submitted "Smoked" for J Gallagher vs P Morris, 1990, though this would be a better game to attach that to. Someone has already submitted "Smoked" for this game.|
|Jun-30-13|| ||Jambow: Ok first five star and in less than a minute? Deflect the last defender was rather about a Wednesday imho.|
|Jun-30-13|| ||hedgeh0g: Despite losing, White could console himself with the fact that he still had his health.|
On second thought...
|Jun-30-13|| ||BOSTER: The answer to <cyclon> (yesterday <POTD>).
Why should play 20.Nd5 not Ne6?
(after 18. fxe6 Bxg3 19.exf7+ Kh8).
I guess it is clear that both knights should move from diagonal a1-h8 to open bishop b2.
I understand that knight c3 has to move only to d5, but knight from d4 has at least couple moves e6 or c6 (and even f5).
First reason to play 20.Nd5.
You should first play the move which less commits oneself!
Second reason to play 20.Nd5. After this move the mobility of the black queen is sharply restricted.
And if black tried to <keep> his queen, the queen has to go to a7, or b8, where 21.Nc6 creates the fork, and most important if queen returns to b7 white will take the rook d8 with double threat, attacking the queen b7 and f7-f8=Q.
But if the queen moved 20...Qb7 the knight from d4 will move to e6 with double threat Nxd8, attacking the queen, and Bxg7#.
So, you can see the knight from d4 can go to c6 or e6.
|Jun-30-13|| ||erniecohen: Everybody, please discuss yesterday's POTD on the page dedicated to the game you are discussing. That way, the information can be found by other people following the game, and it doesn't pollute the discussion of this one for all time.|
|Jun-30-13|| ||PinnedPiece: I thought I had this, but was surprised to see the move 19...Rac8.|
Does the attack fail without that move?
|Jun-30-13|| ||sethoflagos: <PinnedPiece:> In order to threaten mate with Qa1 (after the sacs on b3), you need a control on c2 otherwise the king can use that square to escape.|
|Jul-01-13|| ||waustad: I'm sure somebody mentioned it, but for those old enough, "Call For Phillip Morris" would have made a good GOTD pun.|
|Jul-01-13|| ||FlashinthePan: <FSR: I already submitted "Smoked" for J Gallagher vs P Morris, 1990, though this would be a better game to attach that to. Someone has already submitted "Smoked" for this game.> How about "Philip Morris put out" then?|
|Jul-01-13|| ||AnotherNN: Pun should be "Smoking Philip Morris".|
|Jul-01-13|| ||JoergWalter: Smoking harms your chess ability|
|Jul-01-13|| ||Abdel Irada: <PinnedPiece: I thought I had this, but was surprised to see the move 19...Rac8.|
Does the attack fail without that move?>
I've been over the line a few times and it's not clear to me that the move is necessary.
< 19. ...Bxb3!?
20. cxb3, Rxb3†
21. axb3, Qa1†
22. Kc2, Qa2†! >
This is the most efficient. On (a) 22. ...Rc8† 23. Bc5!, White has cleared an escape square and survives for a while. The queen check eliminates this option.
< 23. Kd3 ... >
Or (b) 23. Kc1, Rc8† with mate in two.
< 23. ...Qa6†
24. Kc2, Rc8†
25. Bc5, Rxc5†
26. Qc3, Qa2† 0-1>
Black mates next move.
|Jul-05-13|| ||14DogKnight: <Infohunter: <Kasputin: I wonder if Philip Morris lost because he went out for too many smoke breaks?>
They didn't have to go out for smoke breaks in those days.>|
You mentioned you played Perry Youngworth in a simul at the old Riverside Chess Club. I played in that simul too. We may know each other. I was past president of the club.
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