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Jan-21-12
 | | sethoflagos: I think <morfishine:> has hit the nail on the head with his winning line. A couple more lines that fell out of the woodwork:
17.Bxh7 Kh8 18.Qh5 Bxg5+ 19.Rxg5 Nf6 20.Bxf6 Qxg5+ 21.Bxg5 Re8 22.Bg6+ Kg8 23.Qh7+ Kf8 24.Qh8# 17.Bxg7 bxc3 (17...Kxg7 18.Qh5 Qf5 19.Bxf5 exf5 20.Nd5 Kh8 21.Nf6 Nxf6 22.gxf6 Bb7 23.Rg7 Bxf6 24.Qxh7#) 18.Qh5 f5 19.g6 Kxg7 20.gxh7+ Bg5+ 21.Qxg5+ Kf7 22.Be2 cxb2+ 23.Kb1 Qxa2+ 24.Kxa2 b1=Q+ 25.Kxb1 e5 26.h8=N+ Rxh8 27.Qg7+ Ke8 28.Qxh8+ Nf8 29.Bh5+ Ke7 30.Qg7+ Ke6 31.Qf7# Apparently 17.Bxg7 Bxg5+ or Qxg5+ hold out for a little longer but shed so much material, black is accepting defeat with either |
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Jan-21-12
 | | James D Flynn: My first impression is this looks like a fairly routine 2 bishop sac. 17.Bxh7+ Kxh7 18.Qh5+ Kg8 19.Bxg7 Kxg7 20.Qh6+ Kg8 22.g6 Nf6 23.g6xf7+ Kxf7 24.Qg6#. Black never has time for b4xc3 because White threatens mate in 1 or 2 every step of the way. Now to look at the game. |
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| Jan-21-12 | | Archswindler: <sevenseaman: Only now I think I understand what happens if we play <21. g6> rather than <21. Nd5> <21. g6 Nf6 22. g7 Qh5> and the win cannot go through. The effect of 21. Nd5 takes place with 21...exd5 which isolates/strands the Black Q on a5 and it cannot contribute anything to defense. 
click for larger viewIt was indeed a very farsighted play by Browne that escaped most solvers here, me definitely.> Not to be churlish, but in the diagrammed position, 23. gxf8=Q is mate. White also wins after 21. g6 Nf6 22. gxf7+ Kxf7 23. Qg6# |
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| Jan-21-12 | | abuzic: 17.Bxh7+
if 17...Kxh7 # in 8:
18.Qh5+ <18.Nd5 # in 11> 18...Kg8
19.Bxg7 <19.Nd5 # in 10> 19...Kxg7
20.Qh6+ Kg8
21.Ne4
<21.Nd5 # in 8;
12.Rd5 # in 12;
21.g6 # in 14>
21...Qf5
22.Nf6+ Bxf6
23.gxf6+ Qg6
24.Rxg6+ fxg6
25.Qg7#
if 17...Kh8 # in 7:
18.Qh5
<18.Nd5 # in 8;
18.Bf5 # in 8;
18.Ne4 # in 12;
18.Be4 # in 12;
18.Bd3 # in 12;
18.Bxg7+ # in 13;
18.Rd5 # in 17>
18...Bxg5
19.Rxg5 Nf6
20.Bxf6 Qg5+
21.Bxg5 Re8
22.Be4+ Kg8
23.Qh7+ Kf8
24.Qh8#. |
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Jan-21-12
 | | Patriot: Material is even. Black threatens 17...bxc3, 17...Qxe5, 17...Nxe5. White must do something quickly in order to survive. 17.Bxh7+
Since white has so many pieces under attack, 17...Kh8 IS a reasonable option. A) 17...Kxh7 18.Qh5+ Kg8 19.Bxg7
A.1) 19...Kxg7 20.Qh6+ Kg8 21.g6
A.1.1) 21...fxg6 22.Qxg6+ Kh8 23.Qg7#
A.1.2) 21...Nf6 22.gxf7++ Kxf7 23.Qg6#
A.1.3) 21...Rd8 22.Qh7+ Kf8 23.Qf7#
A.2) 19...bxc3 20.Bxc3 
A.3) 19...f6/f5 20.Qg6
A.4) 19...Re8 20.Qh8#
B) 17...Kh8 18.Bxg7+
B.1) 18...Kxg7 19.Qh5
B.1.1) 19...f6 20.Qh6+ Kf7 (20...Kh8 21.Bg6+ Kg8 22.Qh7#) 21.Qg6# B.1.2) 19...Re8 20.Qh6+ Kh8 21.Bg6+ Kg8 22.Qh7+ Kf8 23.Qxf7# B.2) 18...Kxh7 19.Qh5+ Kxg7 20.Qh6+ Kg8 21.g6 Nf6 22.gxf7++ Kxf7 23.Qg6# |
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| Jan-21-12 | | abuzic: This is the 21.Nd5 variation:
17.Bxh7+ Kxh7
18.Qh5+ Kg8
19.Bxg7 Kxg7
20.Qh6+ Kg8
21.Nd5 Qxd5
22.Rxd5 Bd6
23.Rg4 Re8
24.Rh4 Bf4+
25.Kb1 f5
26.Qg6+ Kf8
27.Rh8+ Ke7
28.Rxe8# |
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Jan-21-12
| | Patriot: In my line A.2, the simple 20.Qh8# should suffice! |
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Jan-21-12
 | | Jimfromprovidence: I went with the 17 Bxg7 line. I particularly liked the variation after 17...bxc3, as white wins the queen with 18 Bxc3!
click for larger view The threat is 19 Bxh7+, seeing 19...Kxh7 20 Qh5+ Kg8 21 Qh8#, so black must take the c3 bishop to stop it. |
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| Jan-21-12 | | abuzic: This is the 19.Nd5 variation:
17.Bxh7+ Kxh7
18.Qh6+ Kg8
19.Nd5 Qxd5
20.Bxg7 Kxg7
21.Qh6+ Kg8
22.Rxd5 Bd6
23.Rg4 Re8
24.Rh4 Bf4+
25.Kb1 f5
26.Qg6+ Kf8
27.Rh8+ Ke7
28.Rxe8#. |
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Jan-21-12
 | | sevenseaman: Thanks <Archswindler> for showing me the folly of my ways. <Not to be churlish, but in the diagrammed position, 23. gxf8=Q is mate.White also wins after 21. g6 Nf6 22. gxf7+ Kxf7 23. Qg6#> I see there has been far too much 'beating about the bush' in this game. Worser, my application to this POTD as well as the game has been rather ordinary. |
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Jan-21-12
 | | David2009: Everyone has got there already and I see from <CHESSTTCAMPS> that <sevenseasman> has beaten me to the Crafty punch. I fell for the sucker punch 21 g6? Q or Bg5+ (which I had seen but thought that the extra R would break through), but I like to flatter myself that in a slow game I would have seen the resource 21.Nd5! - not too difficult to find OTB. The game itself is a splendid and instructive example of the power of the Velmivoric attack. |
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| Jan-21-12 | | Penguincw: Of course. The greek gift sac. Why didn't I thought of that? |
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| Jan-21-12 | | abuzic: This is the 21.g6 variation:
17.Bxh7+ Kxh7
18.Qh5+ Kg8
19.Bxg7 Kxg7
20.Qh6+ Kg8
21.g6 Bg5+
22.Rxg5 Qxg5+
23.Qxg5 Kg7
24.gxf7+ Kxf7
25.Ne4 e5
26.Nd6+ Ke6
27.Qg4+ Ke7
28.Nxc8+ Rfxc8
29.Rxd7+ Kf6
30.Rd6+ Ke7
31.Qd7+ Kf8
32.Rf6+ Kg8
33.Qf7+ Kh8
34.Rh6#. |
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Jan-21-12
 | | chrisowen: Debatable Nimzovich opening it sure in for white bible cast line. Good hold off e5 play nc3 ore d4 sicilian transpose back. Evermore short in high call nd4 too risky e4 scraps it doesnt complete in development. Push in ahead 11.g4 looks critical after nxd4 bxd4 b5 bd3 pb4? I like e5 shutting out the bishop green pasture in down on me low and behold d7 bad mistake e8 proves stiffer in alive qxe5. Bh7 first part claw in ground it to my move nd5 still any plus time for bf6 estimate lost in wake g6 ready functional defence rue the day. So shedding off a king up h7 in queen.
Over too verify gate bg7!
Best in ko us hamper queen to rescue nd5 also it seem acutely in angle king got same prescribe it here in bins it horde baby drag on in up it mate in nine. |
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Jan-21-12
 | | agb2002: The material is even.
Black threatens 17... bxc3 and 17... N(Q)xe5.
The black castle looks poorly defended and the rook on a8 is defenseless. This suggests 17.Qe4 g6 18.Qxa8 but after 18... Nxe5 seems to achieve some counterplay. A better option seems to be 17.Bxh7+:
A) 17... Kxh7 18.Qh5+ Kg8 19.Bxg7
A.1) 19... Kxg7 20.Qh6+ Kg8 21.g6 Bg5+ (21... Re(d)8 22.Qh7+ Kf8 23.Qxf7#; 21... Nf6 22.gxf7+ Kxf7 23.Qg6#) 22.Rxg5 Qxg5+ 23.Qxg5 A.1.a) 23... bxc3 24.Qh6 Nf6 (24... fxg6 25.Qxg6+ Kh8 26.Rg1 wins) 25.g7 Nh7 26.gxf8=Q+ Nxf8 27.Rd8 Bb7 28.Qxf8+ wins. A.1.b) 23... f6 24.Qh6 wins.
A.1.c) 23... f5 24.Rxd7 Bxd7 25.Qh6 Rf6 26.Qh7+ Kf8 27.Qh8+ Ke7 28.Qg7+ wins. A.2) 19... f5 20.Qg6 wins (20... Ne5 21.Bxe5#; 20... Rf6 21.Bxf6+ and mate in two). A.3) 19... f6 20.Nd5 (20.Qg6 Ne5) 20... exd5 21.g6 and mate soon. B) 17... Kh8 18.Qh5 with a winning attack. |
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Jan-21-12
 | | fm avari viraf: My intuition says, it's a case of double Bishop sac syndrome. This theme has been executed on many occasions amongst the Masters since time immemorial! |
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| Jan-21-12 | | Marmot PFL: Easy to find- Bxh7+ Kxh7 Qh5+ Kg8 Bxg7 (familiar motif - the 2 B sac) Kxg7 Qh6+ Kg8 (all forced), and here g6 seems fine, threatening Qh7 mate, if Nf6 gf7+ Kxf7 Qg6 mate. Not so easy was Browne's Nd5 (before g6), a much quicker win, but the result should be the same. |
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| Jan-21-12 | | Cibator: Kneebone certainly is for real, and deserves at least a minor footnote in chess history as being the first to have to face the Mutkin Counter-Gambit - see my post under <Kevin J Wicker>'s profile. As for this present game, and the various puns it's inspired, the Pg7 after white's 23rd reminds me irresistably of the Ottoman sultan's remark about Constantinople still remaining in Christian hands prior to the 1453 siege: "A bone in the throat of Allah". |
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Jan-21-12
| | Patriot: <agb2002> I like the way you rounded off line B <B) 17... Kh8 18.Qh5 with a winning attack.>. That's much easier than what I calculated. 18.Bxg7+ wasn't really necessary. I should have considered my options better. |
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Jan-21-12
 | | morfishine: <Patriot> Excellent work!...every line! <Jimfromprovidence> That is a stunning line starting with <17.Bxg7> |
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Jan-21-12
| | Patriot: <morfishine> Thanks! You did a great job yourself! |
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Jan-21-12
| | Patriot: <morfishine> I would like to add that your 21.Ne4! move is a very clean win--much better than 21.g6! Houdini loves it best! Here's what it says after 21.Ne4: New game - Houdini 1.5a x64,
click for larger viewAnalysis by Houdini 1.5a x64:
1. (#4): 5...Bxg5+ 6.Rxg5+ Qxg5+ 7.Qxg5+ Kh8 8.Qh4+ Kg8 9.Rg1# 2. (#4): 5...Qf5 6.Nf6+ Nxf6 7.gxf6+ Qg6 8.Rxg6+ fxg6 9.Qg7# |
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Jan-21-12
| | sevenseaman: <Archswindler> In your line <White also wins after 21. g6 Nf6 22. gxf7+ Kxf7 23. Qg6#> Black comes up with a resource;
21. g6 Qg5+ 22. Rxg5 Bxg5+ 23. Qxg5 bxc3 24. Rg1 cxb2+ 25. Kb1 Kg7 26. gxf7+ Kxf7 27. Qh5+ Ke7 28. Rg7+ Kd6 29. Qd1+ Kc7 and a win eludes White. I have tested and found the line given by <morfishine> and <LoveThatJoker> starting with 21. Ne4 is one of the two that stand up and deliver; the other being the text line itself(a bit laborious though). |
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| Jan-21-12 | | Archswindler: <sevenseaman: <Archswindler> In your line <White also wins after 21. g6 Nf6 22. gxf7+ Kxf7 23. Qg6#> Black comes up with a resource;
21. g6 Qg5+ 22. Rxg5 Bxg5+ 23. Qxg5 bxc3 24. Rg1 cxb2+ 25. Kb1 Kg7 26. gxf7+ Kxf7 27. Qh5+ Ke7 28. Rg7+ Kd6 29. Qd1+ Kc7 and a win eludes White.> 21. g6 Qg5+ 22. Rxg5 Bxg5+ 23. Qxg5 bxc3 24. g7 Re8 25. Qh6 f6 26. Qh8+ Kf7 27. Qxe8 Kxe8 28. g8=Q+ is pretty much all forced and easily winning for white, although maybe not as quick as the game continuation. |
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Jan-21-12
 | | grasser: I had the honor of being able to play this once in my games. G Grasser vs M Camejo, 2009 |
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