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| Apr-08-13 | | TheTamale: <Phony Benoni>: Actually, I thought it was knight fork Monday, which sometimes signals the advent of several consecutive knight-fork puzzles: 47) ... Qxf4
48) gxf4 Ne2+
The problem is, the last move is illegal. The knight is pinned by the White queen. Another problem is that Kasparov's combo is flat out better. No coffee makes puzzle solving not work. |
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| Apr-08-13 | | 5hrsolver: can someone please give me the link to yesterdays (sunday) puzzle. Thanks. |
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| Apr-08-13 | | Isilimela: @goodevans @al wazir
Re: 47 f3 Qb1 48. Ne6+ Kf6 49. Nxd4 I think - as al wazir originally pointed out the white king can escape the checks. It will end up on g4 and the white knight - having chomped its counterpart guards the critical f5 square against a queen check. And from where the black knight was pinned, the white knight now threatens discovered check!The tactics are an absolute minefield for both sides! Fantastic game. |
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Apr-08-13
 | | Sastre: <5hrsolver>
Zhao Jun vs Zhou Jianchao, 2012
White to play 25.? |
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| Apr-08-13 | | fokers13: Easy,off to a good start. |
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Apr-08-13
 | | FSR: Funny position. My first impulse was 47...Qxf4, but that only leads to a favorable endgame. Instead 47...Rxf1+! and 48...Qh1 is mate. Addendum: I see that <TheTamale> has pointed out that 47...Qxf4?? doesn't work at all because Black's knight is <pinned>. Woops! |
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| Apr-08-13 | | MountainMatt: Surprising to see a "very easy" Monday puzzle from a Topalov vs. Kasparov game, and of course it's a rapid. 47...Rxf1+ 48. Kxf1 Qh1# |
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| Apr-08-13 | | kevin86: I missed the Monday puzzle...so I guess my week will really go to (heck). I first looked at Qh1+ and then Qxf4,overlooing the pin on black's knight that prevents the fork at e2. In fact,the actual move is a variation of my first move:Rook sac and mate by the queen. |
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Apr-08-13
 | | chrisowen: Nebula whirlpool dig it is dog in old one faithful, married queen knight and rook in data it hone in on, have banking 47...Rxf1+ affable left in seize the,
day radar find a scope in f1 bishop snatch up pal,
olly in d1 rome again pave the way I karkinike,
epigrafe all a rook ko oral space in ie caps offer.
E4 f1 fob off cleric i relish in a d4 pinned to,
kingg7 new ordered another blew in sussed i ment,
rook over i f1 see at e4 iceberg to knight find,
farm in e2 give instead 47.Rxd5? diamond in the,
rough it doctor in dig free fin baba the elephant,
spring eternal one trap in together d4 queen.
edifice ogle ar king gxf1 it he in st it doughnut in d5 rumbler. |
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Apr-08-13
| | chrisowen: <MostlyWatch> Slowly in time oy stirred rook in the face queen clip a g1 in magazine the point honour in nearly it done in xray it is hind having feed in hoofed a d1 i query e4 seems it book in d7 and you knew oh in sir height seeing king damage f1 mine see keep i centre d5 plan delving 47...Rxf1+ in glib have I think better in be a st now in question of a fashion chagrin for sadness end as kingxf1 then duck in waiter off h1# ore up ea kingh2 flap in honey pot dip again h1 at feed him back! |
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| Apr-08-13 | | plukker: Did someone propose 47 Ne2 already? (47 ... Qxe2 48 Qxd4+) |
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| Apr-08-13 | | lies: What happens after 22. Nf5 ? 22. ... Qf8 ? |
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| Apr-08-13 | | Zkid: After 47. f3 Qb1 48. Ne6+ Kf6 49. Nxd4 Rxf1+, white's king can escape: 50. Kg2 (Kh2?? Rh1+ and Qf1#) Rg1+ but here 51. Kf2! looks best, since white is safe after 51...Qf1+ 52. Ke3 or
51... Rf1+ 52. Ke3 Re1+ 53. Ne2+.
Instead 51. Kh3? Rxg3+! 52. Kxg3 Qg1+ leads to perpetual (53. Kh3 Qh1+ 54. Kg3/4 Qg1+) or mate for black(53.Kf4?? g5+ 54. hxg5+ Qxg5#). |
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Apr-08-13
| | FSR: As usual, <chrisowen> nails it. |
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| Apr-08-13 | | MostlyWatch: White's fatal move is 47 Rxd5. From here black can win no matter what else white does. If instead white advances the pawn to attack the black queen, the computer thinks black's best move is to exchange queens. I let this run and it stopped after 37 minutes; it looks like it made an exhaustive search of the entire tree from here. And it still selects 47 ... Qxf3. This dissolves the siege on the white castle and play continues with pieces/pawns = white 4/2 v black 3/4. I'd prefer to be white. |
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| Apr-08-13 | | MostlyWatch: <chrisowen> If there was some knight stuck in a corner or a repeating pattern I'd be thinking in terms of running over there with my rook or something to the rescue. The first measure to take tho would be find out what's going on. Hitchhikers Guide suggests that time travel grammar would look odd. If someone is stuck 15 min in the past like in The Langoliers I'd not know what to do but maybe all these can think of something |
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| Apr-08-13 | | Alex56171: 47...Rxf1+ and the white King can choose how to be mated. |
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| Apr-08-13 | | goodevans: <Isilimela: @goodevans @al wazir Re: 47 f3 Qb1 48. Ne6+ Kf6 49. Nxd4 I think - as al wazir originally pointed out the white king can escape the checks. It will end up on g4 and the white knight - having chomped its counterpart guards the critical f5 square...> I'm not convinced that g4 is a complete escape. I have <47.f3 Qb1 48.Ne6+ Kf6 49.Nxd4 Rxf1+ 50.Kg2 Rg1+ 51.Kh3 Rh1+ 52.Kg4 Rxh4+!> and white's best is to accept perpetual with <53.gxh4 Qg1+ 54.Kh3>. No engines used in this analysis so I guess there could be holes. |
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| Apr-08-13 | | BOSTER: I don't use <CG> Monday's Rule- sacr. whatever- this creates <distorted> chess understanding.
At first I wanted to unpin the knight, deflecting the white queen, but didn't find any square for black rook. Then I decided to check 47...Qh1+ 48.Kxh1 Rxf1+, and then changed the moves order. 47...Rxf1+ 48.Kxf1 Qh1#. Many authors said that pinned piece has no power (absolute pin). What is interesting this is only partly correct. Here we have the excellent ex. where the pinned knight is playing the decisive part in attack, closing the escape for white king square e2. |
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Apr-08-13
| | chrisowen: <mostlywatch> Ok etc in g1v conga eel i seek free alive sparking side ring of changed bullshine ogle a matrix in f1 or demand and supply inlovely a grapple g1 then land in h2 threaten rook heart in g1 let there be light in b4 c5 lamp in ball a machine bet rookf1 as west he door as heads in good game ar catching low in chest queen dove e4 at im liking h1 free rook d1 be lined in g1 true xray it is right in c5 too, rook d7 at eg dip in balled i d5 peer in field glasses ar i address the nature fab against d1 e4 clop in d8 and d7 ie good act or vilificate in free bishop later marred in lucky strike f1 racing ahead to d1 leeway in light rubble the causeway arrow routed jack am debatale sitter in c3 a pt idea cart hag e4 now daze braving manage i shall otb c5 re a mind b4 light you uniform in d7 across a d1 take softly softly exchange off in f1 i vestibule electric sure d1 wins the f1 lump in e8 see won free better in d7 locking g1 free e4 and 'alf in h1 queen in see jailer on i mitigate in ignoble missed h3 in focus again cxd4 a line exodus have cleaning h12 it exchange in dry it hope in raid a linger e4 as seemed banked in h1# |
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| Apr-08-13 | | Bengambit: At first glance black is down a piece,plus the knight is pinned,so a draw will do....BxR+ |
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| Apr-08-13 | | MostlyWatch: That was a long fight to get to #. Even a tour thru h12... sometimes Mom insists on the rubbish going out tho, no matter how critical the crisis. I think this concludes my inquiries into that. Usually nothing can be done anyway over the net if I DID know what the Sam Hill was the matter. |
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| Apr-08-13 | | bamaexpert: wow, this one was tough. Black is a piece down with no hope in sight. Kasparov should have resigned. Topalov was probably sitting there grinning ear to ear.
As if some middle-earth miracle occurred, there appeared before Gandalf (Kasparov) the amazing and riculously simple mate-in-2 with RxB.
Good thing we have computers, or we would have never seen it. |
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| Apr-09-13 | | Tullius: <Nerwal>Thank you for your reply. And you are right: after 47.Ng2 Kg8 the game ends in a draw. |
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| Apr-09-13 | | Isilimela: @goodevans @Zkid
<47.f3 Qb1 48.Ne6+ Kf6 49.Nxd4 Rxf1+ 50.Kg2 Rg1+ 51.Kh3 Rh1+ 52.Kg4 Rxh4+!>
Thanks for pointing out forced perpetual via rook sac. I had missed that - yet another twist in the tactics! Zkid says the white king should rather head for safety on e3 (51. Kf2 rather than 51. Kh3) @Once @MostlyWatch
You say the computer selects 47 ... Qxf3 rather than Qb1. If you force 47 ...Qb1, what does it come up with for white? |
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