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| May-19-10 | | dzechiel: <zooter: I found 9...Nxe5 and there are various lines here: ...
b) 10.Bxf6 Qxf6 11.dxc5 (11.dxe5 Qf2#) Nf3+ and black has a winning attack> I spent a long time looking at this line (the knight sac on f3) before deciding it wasn't sound. The problem I encountered was after 12 gxf3 Qh4+ 13 Ke2 white's new f-pawn was keeping black's bishop at bay. Perhaps there's something here I over looked. |
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| May-19-10 | | Once: <pingriver> and <2wice> Welcome! |
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| May-19-10 | | Alphastar: Didn't bother to look more than 2 moves deep. |
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| May-19-10 | | aidfarh: <dzechiel> After
10.Bxf6 Qxf6 11.dxc5 Nf3+ 12 gxf3 Qxf3
and black threatens White's rook and Qe3+ leading to mate. At the very least black will be up the exchange. |
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| May-19-10 | | johnlspouge: Wednesday (Medium/Easy)
Pulvermacher vs Capablanca, 1907 (9...?) Black to play and win.
Material: Down a P. The Black Ke1 has 2 legal moves, both dark squares accessible after Nf3xe4. The Ke1 is secured from check, however. Black has a huge lead in development for his sacrificed P. White threatens 9.dxc4 or 9.Nxg4. The Black Kg8 is secured from check. Candidates (9...): Nxe5
9…Nxe5
White must choose from 3 captures. Otherwise, he faces a material deficit against the mighty Capablanca, so fear is definitely <not> an option. (1) 10.dxe5
Of the 3 recaptures, because White threatens the pinned Nf6, 10.dxe5 is the most tempting choice. It is also the most interesting as puzzle material, so for the first time on <CG>, I will speculate on the game continuation. This is it. 10…Nxe4 (threatening 11…Qd8# or 11…Bf2# a variant of Blackburne’s mate) White probably resigned here, because if nothing else, Black can win with 11.Qc2 Nxg5, leaving White down at least P for B (against Capablanca!). (2) 10.dxc5 Nd3+ 11.Bxd3 [Kd2 Nf2+ wins Rh1]
11…Qxd3 (threatening 12…Qe2#)
The White Ke2 must run to f2, to avoid mate. The homeless White Kf2 is easily worth a P. (3) 10.Bxf6 gxf6 11.dxc5 Nd3+
The rest follows Variation (2) with the removal of Bg5 and Nf6 leaving blemished Ps on the Black K-side. Although this seems White’s best continuation, the homeless White Kf2 is easily worth a P. |
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| May-19-10 | | wals: Rybka 3 -cpu: 3071mb hash: depth 16:
1.  (-2.07): 9...Nxe5 10.h3 Bd7 11.Qc2 h6 12.Be3 Bb6 13.Nd2 Nh5 14.0-0-0 Ng3 15.Rg1 White,up a pawn, handed Black the game with:-
-1.99 9...Bg5. Much better was Nxg4
+0.90. |
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| May-19-10 | | TheBish: Pulvermacher vs Capablanca, 1907 Black to play (9...?) "Medium/Easy"
Black (Capa) is down a pawn, but his pieces are better developed. 9...Nxe5! leaves White with some choices, all bad:
A) 10. dxe5 Nxe4!! is an amazing tactic, where both Black's queen and knight are hanging, but neither can be taken! Black threatens both 11...Bf2# and 11...Qxg5 12. Qxe4 Qc1#. If 11. Bxd8 Bf2#, or 11. Qxe4 Qd1#. Since 11. Be2 fails to 11...Qxg5 12. Qxe4 (or 12. Bxg4 Qxg4 13. Nd2? Bf2+ 14. Kf1 Nxd2+ 15. Kxf2 Qxa4) Qc1+ 13. Bd1 Qxd1#, White can resign this! B) 10. dxc5 Nd3+ 11. Bxd3 (or 11. Kd2 Nxc5+ 12. Qd4 Nfxe4+ 13. Kc2 Qxg5 14. h3 Rad8 is crushing) Qxd3 12. Kf2 Qe2+ 13. Kg3 Nh5+ 14. Kh4 Qxg2 15. Be7 Qh3+ 16. Kg5 h6#. C) 10. Bxf6 Qxf6 and now:
C1) 11. dxc5 (not 11. dxe5? Qf2#) Qf4! 12. Qd4 Rad8 wins the queen or mates. C2) 11. Qc2 Qf4! and now White gets mated after either 12. dxe5 Bf2+! 13. Qxf2 Qc1# or 12. dxc5 Qe3+ 13. Be2 Bxe2 14. Qxe2 Nd3+ 15. Kf1 Qc1+ 16. Qf1 Qxf1#. |
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| May-19-10 | | tratra: Black to play
Pulvermacher vs Capablanca
Medium/Easy
9...Nxe5
10. dxe5 or 10. dxc5 all lose since:
a. 10. dxe5 Nxe4 threatening mate on f2 and capturing the Bishop on g5 or h4. If 11. Qxe4 Qd1#. b. 10. dxc5 Nd3+ 11. Kd2 Nxc5+ and White's queen falls. time to check! |
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| May-20-10 | | njchess: Although I got 9. ... Nxe5 fairly quickly, White's reply was less obvious. His pawn cannot afford to recapture or else the game is over pretty quickly. However, going down material to Capablanca with your pieces so uncoordinated is also a recipe for disaster. Consequently, Capa could afford to sac his queen since his other pieces are so well developed to take advantage of his opponent's exposed king. |
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| May-20-10 | | kevin86: After the exchange of calvalry,black sacs the queen. If the queen is taken,the minor piece mates;if the knight is taken,the queen mates. |
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| May-20-10 | | fab4: Would just have loved to have been there to witness the look on Al's face... All this Rybka stuff ect... leave it. you're missing the point. Missing the big picture. |
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| May-30-11 | | Eduardo Leon: Ironically, Pulvermacher means "powder maker" in German. |
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| May-30-11 | | Paraconti: There'a guy with the same name who's convinced he's the Pope. |
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| May-30-11 | | Morten: Trying on the King's Gambit against Capa. That is like trying to walk on water. |
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| May-30-11 | | Shams: <Eduardo Leon: Ironically, Pulvermacher means "powder maker" in German.> In English we take powders, in Germany I guess they make them. Interesting. |
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May-30-11
 | | al wazir: 11. Be2 Qxg5 12. Bxg4 Qxg4 13. Nd2 Nf2. |
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| May-30-11 | | Shams: <aw> Your line is good but simply 12...Qxg4 as 13.Nd2?? Bf2+ ups the harvest to a queen. |
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| May-30-11 | | ossipossi: It is like from <2...Bc5> everything is already in Capa's mind. Flawless, as usual, like a crystal. |
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| May-30-11 | | ughaibu: What's the story if white plays 9.Nd7? |
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| May-30-11 | | Garech: Honestly, I find it hard to believe that this is Capablanca playing. I thought perhaps it was from early in his career, and though he was only a teenager when this game was played, there are a remarkable amount of blunders and inaccurate, tactical play that isn't like his style at all. Firstly, of course, there's dropping a pawn in the opening. But also, what is black doing after 9.Nxg4? E.g. ...Nxg4 and now 10.Qd1! Appears to keep white ahead:
click for larger viewDespite the lagging development, black has no attack and white will remain a piece up. Something that looked good initially after 9.Nxg4 Nxg4 was 10.dxc5!? but quite incredibly black is able to gain an advantage here with Nxc5! and best play is ostensbily 11.Qd4 Re8! giving up a third peice for a winning attack: 12.Qxc5 Rxe4+! 13.Be2 Qh4+ 14.g3 Qh3: 
click for larger viewThreatening both Qg2 and Rae8 looks very strong for black. -Garech |
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| May-30-11 | | Lil Swine: im surprised by how short this game is. if only Nigel Short played this game, then the length would have some comedy |
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May-30-11
| | al wazir: <Shams: 13.Nd2?? Bf2+ ups the harvest to a queen.> You're right. Thanks. White is really, really busted. |
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May-30-11
 | | scormus: Strange game.
<Garech> After 9 Nxg4 Nxg4 10 Qd1 I'm not sure if B has a resource in ... Nde5. OK 2 pieces attacked, so may as well 3. On a quick look I think 11 dxe5 or dxc5 nets B an edge after 11 ... Qxd2 12 Kxd1 Nf2+ but its hardly vintage Capa. But its more tricky after 11 Bd2. Best I can find is 11 ... Qh4+ 12 g3 Qh3 and there are certainly ways W can go wrong. But surely all W has to do is keep his nerve and he comes out a piece ahead. Doesnt he? |
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| May-30-11 | | janatoli2: I believe that 9. Bg5 loses the game and 10. dxe5 is also a weak one. 9.Nxg4 seems indeed critical to me as for <Garech> (BTW a casual or prearranged game of Capa? - in 1907 he was already damned strong) and <scormus> but I would propose to play 10.Be2 afterwards to develop a piece, prepare to castle and to keep an eye on blacks Nd7 (to bind blacks queen). Bf4 could be an important move prior to castling to control the squares e5 and h2. The strong pawn center and extra pawn should win for white then. Means also, white should not take the piece on c5 too early. |
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May-30-11
| | scormus: <janatoli2> thnks for the correction, I meant 10. Be2 (My chessboard dyslexia again). I looked some more and was sure W was clearly better then. I can easily imagine this was an offhand game, Capa giving up an early pawn for speculative attacking chances |
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