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| Jan-30-12 | | Nemesistic: 20.Ng6+, blacks forced to play hg, then Rook h3#.... And no queen sac Monday for the first time in living memory! There must be a way to give that Queen away before playing the Ajesque Ng6+!! |
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| Jan-30-12 | | Penguincw: I was thinking of some smothered mate, till I saw this Anastasia type. |
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| Jan-30-12 | | consul: <Memethecat: <consul> how would you have lost?>
17 .. f5 is already risky, and don't let the bishop develop correctly.
Then there are other obviously wrong moves, but i would have got lost at some point with Alekhine. |
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Jan-30-12
 | | Gilmoy: <scormus: ... sac opens the file against the K ... name for this?> This particular pattern of <deflecting> h open is a Greco sac. Canonical Greco is that White offers a piece (Ng5) to open h, Black declines (Qh5#), White insists: 
click for larger viewwith <1.Qg6> a 2nd mate threat, forcing <1..hxg5 2.Qh5#>. The structural element is probably <B-sees-g8>, i.e. the K has trapped himself. The f-pawn's advance also creates a hole at g6. <Memethecat: Is it still called back rank mate when caught along the edge of the board?> Not often, but that's a useful way to envision it (if you can do board rotations in your head). I think I generalize it to "virtual Rook", which sets up two-"Rook" mates, which is rotation-invariant. (In practice, it does make a difference for your move orders and attack directions: Rooks are far more likely to attack up files than across ranks.) <Penguincw: ... this Anastasia type> Anastasia is where you open h by walking through it :) The benefit is that he can't decline. The drawback is that his K gets an extra move away from the corner-of-death, so your virtual "Rook" must be a 3-deep wall instead of only a 2-deep wall, which may cost you an extra piece of setup (e.g. Fischer's Bh3-g2!! tempo just to enable Be4+ skewer-controlling g6). <Once: ... not eaten by a bear ...> I don't have to outrun the passed pawn, I only have to outrun <you>. |
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| Jan-30-12 | | gtgloner: Even a patzer like me got this one! |
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Jan-30-12
 | | kevin86: As there were no sacs for white,I looked elsewhere;the key is or course Ng6+,a family check that wins the queen. Black's only "out" is hxg6,but that leads to immediate mate,as in the text. Turnabout-white WINNING the queen instead of sacrificing it to mate on Monday. |
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| Jan-30-12 | | jackpawn: Of course Ng6+ wins. My problem isn't finding the solutions to these puzzles (at least through Fridays), my problem is getting these types of positions in my own games. |
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| Jan-30-12 | | Jim Bartle: Gee, that was tough. A more interesting game with a similar idea is Karpov vs Taimanov, 1977. And Karpov is the trappee. |
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| Jan-30-12 | | srag: I simply cannot stop singing:
"Monday, Maonday!
So good to meeeeeee!" |
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Jan-30-12
 | | sevenseaman: Essence of chess is to understand the essentials; cut out the flotsam.
click for larger viewWhite to play and win. |
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Jan-30-12
 | | PeonNegro: sevenseaman, 1.Nf6+,Kh8; 2.Ng6++
With respect to the Alekhine's game, Ng6 is "a killer", as Fischer used to say. |
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Jan-30-12
 | | Marmot PFL: White could have played this blindfold, just to make it interesting. According to Wikipedia <On July 16, 1934 in Chicago, Alekhine set the new world record by playing 32 blindfold games, with 19 wins, 5 losses, and 5 draws.> (Wiki writers are not known for their math skills.) |
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Jan-30-12
 | | chrisowen: Go flog g6+ hxg6 sir h3 mate.
Tres bon get going again garden g6 it each in early it packing Aleine king of the shilling.
In five masters tournament or blindfold isnt it?
Fight in knight turns on ar ne4.
I max in lovely it h3 in snaffle king spot corner in guy la mode You in fire it f5 in tease bad marshall crowns off. |
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| Jan-30-12 | | LoveThatJoker: <David2009> Indeed then, man! I'm perfect on the al wazir scale! So far I'm on an 8 consecutive streak.
My goal is to break DiMaggio's 56 straight!
LTJ |
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Jan-30-12
 | | AylerKupp: <Once> That's certainly a good analysis of Mr. Stephan's possible thought process. I wish he were still around to comment on it. But if Black was concerned about a possible Bxh7+ sacrifice and his undefended Nc5, I would have thought that 17...Nxd3 would have taken care of both concerns quite efficiently. Houdini 1.5a at d=27 assesses the position as dead even after either 17....Re8 18.Bc2 b6 19.Raf1 Ba6, 17...Bd7 18.Bc2 Rfe8 19.Qc3 b6, or 17...Nxd3 18.Rxd3 Qd6 19.Rf1 Re8. But I would prefer 17...Nxd3 18.Rxd3 Bf5 19.Rd4 Qd6. Black's bishop is developed, his rooks are connected and ready to contest either of the open files, and he's ready to start ganging up on the advanced and passed but isolated and blockaded Pd5. Following 19...Qd6 Houdini assesses the position as even at d=25 only after 20.Qb4, all other White moves result in an assessment of the position as slightly favoring Black. IMO, not a bad situation to be in against the soon to be crowned new world champion. |
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| Jan-30-12 | | BadKnight: I love mondays! The first sac that catches your eyes almost always works. |
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Jan-30-12
 | | Once: <AylerKupp> Yes, there is a case to be made for 17...Nxd3. Perhaps he wanted to avoid exchanges while his last minor piece was still undeveloped. Or perhaps the lure of the Ne4 outpost was too much. And if Bxe4 he gets a passer of his own. It's something we often see. A lower graded player goes down in flames to a much better player after just one or two small inaccuracies. |
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Jan-30-12
 | | scormus: <Gilmoy ... Greco sac> Thanks, a worthy name! |
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| Jan-30-12 | | Penguincw: < Gilmoy...
<Penguincw: ... this Anastasia type> Anastasia is where you open h by walking through it :) The benefit is that he can't decline. The drawback is that his K gets an extra move away from the corner-of-death, so your virtual "Rook" must be a 3-deep wall instead of only a 2-deep wall, which may cost you an extra piece of setup (e.g. Fischer's Bh3-g2!! tempo just to enable Be4+ skewer-controlling g6). > Ok then. :) |
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| Jan-30-12 | | offramp: Where is Most? |
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Jan-30-12
 | | gawain: I'm checking in quite late on this Monday.
Cute two mover: 20 Ng6+ hxg6 Rh3# |
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| Jan-30-12 | | newton296: spank! |
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Jan-30-12
| | sevenseaman: Yes <PeonNegro>, A salute to your chess. You have gone straight to the essentials, and that is of the essence. |
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| Jan-30-12 | | 1stboard: I do not understand blacks 17th move f5 ?? , looks like the losing move. Either ( 17 ) Nxd3 or Bg4 looks like a much better move. |
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| Jan-30-12 | | stst: 20.Ng6+ forks hxg6 only defense
21.Rh3# no defense
"Implicit" Q-sac, always on Mondays?? |
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sac: 20.Ng6+