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| Oct-22-13 | | patzer2: Got the first two moves with 27. Rxf7+ Kxf7 28. Ne5+ Kd7, but didn't visualize the strong in-between move 29. Qg5+! However, it would seem the line 27. Rxf7+ Kxf7 28. Ne5+ Kd7 29. Rxd8 Rxd8 30. Qg5+ Ke6 31. Qxh4  , which I did see, is good enough. Anyway, it's a good illustration of the discovered attack with check tactic, combined in this case with the clearance, in-between move (a.k.a. zwischenzug) and double attack tactical themes. <Tough for a Tuesday> indeed! |
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| Oct-22-13 | | MiCrooks: Others have not mentioned that after Ke7 there is a forced mate rather than Qg5+. Simply Rxd8 Rxd8 Qg5+ is good enough as well but not quite as good as the game line. But Rd7+! instead of Qg5+ forces mate. Would I have spent time finding that in a game? Probably not. Especially since you are forgoing grabbing material that gives you an easy win (or a quick resignation as in the game). Still it is a cute line. Rd7+ forces Qxd7 so Black has to trade his Queen for the Rook with tempo to White. What else? If the King backs up onto the 8th rank then RxQ+ for free and the Rook and Queen quickly mate. If Ke6 Qd6++, and if Kf6 then still Qd6+ Kg5 Nf7++. So after Qxd7+ Kf8 Qf7++ so Kf6 Qd6 and once again g5 is off limits so Kg7 Qe7+. All this time White could play NxR and bail into a better game than he got playing Qg5+, but mate is coming quickly. Where can the King go now? On h8 mate comes quickly via Qf6+ Rg7 Qf8+ Rf8 Nf7++. So Kh6. But here White is mating as well. Qxh4+ Kg7 Qe7+ Kh6 and now Nf7+ Kg7 Nd6+ Kh6 Qe3+ and Black can sac his Rook to survive one move longer but g5 Qe6+ Rg6 Nf5++ or Kg7 Nf5+ Kh8 Qf6+ Rg7 Qxg7++. Kinda cute, but a win is a win. |
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| Oct-22-13 | | agb2002: The material is identical.
The weak spot f7 screams for 27.Rxf7+ (27.Ne5 Qxd5 28.Qxd5 Rxf4): A) 27... Kxf7 28.Ne5+ Ke6 29.Rxd8 Rxd8 30.Qxd8 Kxe5 31.Qxh4 + - [Q+P vs R]. B) 27... Kh8 28.Qh6 + - |
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Oct-22-13
 | | al wazir: The first two moves were easy. Then I chose 29. Rd7+. I think it wins in all variations, but not as quickly as 29. Qg5+. |
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| Oct-22-13 | | Dr. J: <MiCrooks: ...after 28...Ke7 there is a forced mate: 29 Rd7+! Qxd7 30 Qxd7+ Kf6 31 Qd6+ Kg7 32 Qe7+ Kh6 33 Qxh4+ Kg7 34 Qe7+ Kh6 35 Nf7+ Kg7 36 Nd6+ Kh6 37 Qe3+ g5 38 Qe6+ etc.> To be complete: 37...Kg7 38 Qe5+ mates next move. |
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| Oct-22-13 | | SamAtoms1980: 27.Rxf7+ Kxf7 28.Ne5+ forks everything, or 27....Kh8 28.Nf6 wins everything. |
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| Oct-22-13 | | morfishine: 27.Rxf7+ Kxf7 28.Ne5+ is fairly straightforward
As noted by <Patriot> and <Phony Benoni>, visualizing the continuation 28...Ke7 <29.Qg5+> sets this puzzle above the average Tuesday level ***** |
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| Oct-22-13 | | fokers13: is there any defence to an immediate 27.Ne5? |
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| Oct-22-13 | | cocker: There's a lot in this position. For example: 27 ♖xf7+ ♔xf7 28 ♘e5+ ♔e6 29 ♖xd8 ♖xd8 30 ♕xd8 ♔xe5 looks almost playable for Black, but White picks up the Knight with 31 ♕xh4. |
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Oct-22-13
 | | Oxspawn: This would be a clearly won position for white if it was not for the potential black knight king and queen form on Nf3+ which prevents for example 27. Rxc4. So, I saw the potential of 27. Rxf7 and got as far as the game final position, but could not see this as a win for white. <29. ….....Ke6
30. Qxd8 (if Rxd8 then Nf3+ loses the white queen anyway) Rxd8
31. Rxd8 Kxe5>
By my reckoning white now has a rook and five pawns and black has a rook, knight and four pawns. There is just a very slim chance that my play is a tiny bit sub-optimal (compared say with Carlsen or Smyslov or anyone with a consonant in their name). But I spent ages looking at 29. g5 instead of 29. Qg5 (without success). Time to go and learn….. |
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| Oct-22-13 | | dakgootje: <fokers13: is there any defence to an immediate 27.Ne5?> Main problem is that there are more complicated lines to check whether the move is sound. If it is sound at all. I suppose 27. Ne5 Qxd5 and black is fine. Eg 28. Rxf7 Qxf7 29. Nxf7 doesn't work due to the eternal ..Nf3. And if 28. Qxd5 Rxf4 the position is unbalanced and complicated. |
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Oct-22-13
| | Oxspawn: Ah! I too was <lost in space>. The white knight on e5 protects f3 - no one told me the knight could look one way and move the other! Chess is a tricksy game. |
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| Oct-22-13 | | whiteshark: I missed the superiority of <29.Qg5+!> over 29.Rxd8. D'oh! |
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| Oct-22-13 | | zb2cr: 27. Rxf7+, Kxf7; 28. Ne5+, Ke6; 29. Rxd8, Kxe5 and it looks as though Black's threat to fork White K+Q with 30. ... Nf3+ is potent--but White moves first with 30. Qg5+, |
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| Oct-22-13 | | Nick46: Moves #27 and #28 were just foreplay. |
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| Oct-22-13 | | goodevans: <fokers13: is there any defence to an immediate 27.Ne5?> 27.Ne5 Rxf4; 28.Rxd8 Nf3+; 29.Kg2 Nxd2; 30.Rxd2 leaves black the exchange ahead. |
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| Oct-22-13 | | Gryz: <lost in space: ohh, another one with the same issue! Goo+d to be not alone. I lost a few games not seeing that pieces can also move backwards during attacking.> You are in good company. Supposedly people in Latvia play a variant of chess where knights are not allowed to move backwards. Only forwards. This would be one of the reasons why Tal and Shirov have always been such attacking players. They just kept looking for forward moves for their knights. :) |
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| Oct-22-13 | | kevin86: An easy one-the rook sac sets up a double attack and win of the queen. |
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| Oct-22-13 | | Gilmoy: I saw <27.Rxf7+> instantly: it's the most smiting move available, and it feels right. I noticed the discovery <Kxf7 28.Ne5+>, and that it takes over the role of preventing the Nf3+ fork, while discovering on the Q. Surely Black will move to double-protect his Q: <28..Ke7>. Now the knee-jerk Q grub is only a flat trade, RR for Q+P, hence it just feels wrong, like a fizzle. I immediately pattern-matched <29.Rd7+>, with continuations similar to <MiCrooks>. I didn't work out every line to mate, but I felt that the resulting position is won for White (so I didn't look further for Qg5): he forks the hanging Nh4 with check, and either has mate or just takes the Rc4, up Q+N for R. There are a few patterns that involve "hanging" your piece in front of a line-mover, just to lure it forward. When both pieces are rook-likes, this means you move almost all the way down its line, but <don't> actually take it. - weak back rank, rook-alikes:
click for larger view1..Rgb8? 2.Qb7! <unanswerable double on Ra8> - swinging gate: NN-Gilmoy, in Stanishevsky vs Nikonov, 1981 (with minor edits to compensate for earlier White blunders):
click for larger view31..c4 32.bxc4 Qb2+! <queening> Positive reinforcement worked for and against me here. I've found moves like <29.Rd7+> OTB and won with them, so I find them "easy" to envision now (and hereafter). OTOH, I flowed down a rut and never thought to hop out, so I missed <29.Qg5+>. Sit on hands, look for better! |
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Oct-22-13
 | | chrisowen: Singled for safe a fog find rook ghosting a longers, bill to rights again e5 comes at backed f7 cad see for one creed flight knight dangled baghind need, cup effect fad delve knight deed cedes deemed ear,
clefts in dig f4 a foggy f7 bemoans hoof rook find,
to I bogged rear 5d in faffed aka bed change negligent knight neglect giving goofed in effected, 18...exd5 ie starts the chain reaction it down in jail d5 free see light knight bicyled c3 chaind gang d5 black cliffs c8 in elevated bishope6 at enact monarch sidles along to c3 check king and white has a dominant for position clean d7 shows pair of heels to black knight rook d1 retakes instead f8 is falling and not too soon f5 also after g4 stab the dark mack hoofed back on track h6 bishop swipe off at good game it do in f6 radical rook fade for to it now in affable pocket, knight fetch g7 too better rook d5 frees pin effect in be free good ay c3 pine deems a d7 check backing g8 info ok rook indeed f7 longer a chin low in do monarch king at gg he has a gate entry point free caving g7 good d7 knight hogs the lime light be biffed 26.Rf4 after g4 silly maneovre is the f5, in h4 like wise at baffle 26.Rf4 ok foilable mission l0 winning 27.Rxf7+ king at in be fingers. 27.Kxf7 28.Ne5+ Ke6 29.Rxd8 lights one cased rook,
against majesty and pawn easy win for faffing d8 edge in bilocated 29...Rxd8 30.Qxd8 Kxe5 31.Qxh4 at he door e7+ syphoning b7 again bed it fold in sacrifice at safi see on egressed 28.Ke7 29.Rd7+ accents on black to throw in d8 or face being mated,
as crept f7#. Early to rise off got 30.Qxd7+ Kf6 feckle free creak in d6+ for kick in g7 mate in 10 dine on demand ratchet back er mitigates 29.Qg5+ looks advantage in refreshed 29...Ke6 effectively over g5 will follow in manage d8 corroborated, 30.Rxd8 cables hood-wink all pieces come off except,
for c-rook and h4 monarch wins again waddle e7+ cleared. I face of f7 thread see free for path knight d7 eline faced info ok it doctor in dig big fright black rook threatens aid jet off f4 f7 had farm check king chooses escape at h8 accomplish little in the way of h6 forms a knight circle f7 etc in choice despatch king bottle necked proving good slide a f7 sat fingered feed in missed 26.Rc4 cascades tiny float f6 addresses the point bed to a 21...f6 da bind d5! he jiggled half rook win badge of honor f7 at kind baggy steed via g4 bades on good game a culpa h8 or deem fades hog c4 in ar, good eli f4 bodes well at he go f7 in ado monarch find g5 i net indeed d8 rate d5 as key# |
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| Oct-22-13 | | MiCrooks: The problem with an immediate Ne5 is not so much that there are a lot of lines to look at...the problem is that Black has an obvious line that is much better than the forcing continuations that follow after Rxf7+. Black can (and must) trade his Queen for two Rooks. So Qxd5 Qxd5 Rxf4 and now White is perhaps better since the Queen and Knight work well together but this is not clear Q+N vs 2R+N. White can grab the b pawn Qxb7 and I probably would but compared to the forced win of the Queen for a Rook (at least) with Rxf7+, Ne5 should be considered a blunder. |
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| Oct-22-13 | | LoveThatJoker: One o5f the greats of all-time, no doubt: WC Smyslov!! <27. Rxf7+ Kh8>
[27…Kxf7 28. Ne5+ Kf6 29. Rxd8 Rxd8 (29…Kxe5 30. Qd5+ ) 30. Rxd8 Kxe5 (say) 31. Qxh4 ) <28. Qh6! Nf3+ 29. Kg2 Nh4+> (29…Ne1 30. Kf1 mating)
<30. Kg3 Qc7+>
(30…Nf5 31. R5xf5 Qc7+ 32. Re5 Rc3+ 33. bxc3 Qxc3+ 34. Re3 Qc7+ 35. Ne5 mating) <31. Kxh4 Qd8+>
(31…Rxg4+ 32. Kxg4 Qc4+ 33. K g3 Qc7+ 34. Re5 )
<32. Rg5!> 1-0 as Black will be mated soon. |
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| Oct-22-13 | | LoveThatJoker: I see Black opted for 28...Ke7. This looks more passive to me than the line I considered in my solution post involving 28...Kf6. LTJ |
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Oct-22-13
 | | Penguincw: I should've tried to figure it out after 28.Ne5+. |
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| Oct-22-13 | | Refused: I went for
27.Rxf7+ Kxf7 28.Ne5+ Ke7 29.Rxd8 Rxd8 30.Qg5+ Ke8
Queen and Knight against two rooks should be winning. To play Qg5+ before capturing the Queen on d8 however, is ofc much, much better. |
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Kibitzing
sac: 27.Rxf7+