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| Oct-06-17 | | uniqueid: <FSR> thanks for the link to the youtube video, now the Netflix Hip-Hop evolution is also on my watch list. The pun and the game are both very delightful. That knight on d6 must be a cousin of Kasparov's Octopus knight. |
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| Oct-06-17 | | thegoodanarchist: Ironically, <Rapper's Delight> by The Sugar Hill Gang is considered one of the greatest <Hip Hop> songs of all time. |
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| Oct-06-17 | | thegoodanarchist: For *my* money, though, this is the best Hip Hop song: https://www.youtube.com/watch?v=O4o... |
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| Oct-06-17 | | Strelets: This treatment of Bird's Opening (turning it into a reversed Dutch) seems to make the most sense. |
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| Oct-06-17 | | cormier: <1) +0.17 (33 ply) 16...Qc7> 17.Qc2 b3 18.Qxb3 Qxc5+ 19.Rf2 Rab8 20.Ne4 Qd4 21.Qc4 Qb6 22.Qc5 Nb4 23.Qxb6 axb6 24.Bb1 Rfc8 25.Be3 Bxe4 26.Bxe4 Rc4 27.Bb1 Nd5 28.b3 Rb4 29.Bd2 Rd4 30.g3 Rc8 31.a3 f6 32.Ra2 fxe5 33.fxe5 Bxe5 34.Rc2 Rxc2 35.Bxc2 b5 36.Re2 b4 37.axb4 Nxb4 5.0 minute analysis by Stockfish 8 |
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| Oct-09-17 | | kevin86: An open smothered mate. |
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| Mar-17-19 | | Whitehat1963: Wow! What a combination! |
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| Aug-23-21 | | optimuswise: Amazing! |
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| Jun-04-25 | | mel gibson: I wasn't sure.
Stockfish 17 chooses the same ply as the game but declines the Rook: 30. Rxf5
(30. Rxf5 (1.Rxf5 Rc7 2.Rf3 Qc6 3.Rd3 Bg7 4.Qf3 Ne7 5.Qxf7+ Kh8 6.Rc1 Nf5 7.Qe6 Rf8 8.Qxb3 Bxe5 9.Nxf5
gxf5 10.Bc3 Rg7 11.Qd5 Qxd5 12.Rxd5 Bxc3 13.Rxc3 Rc7 14.Rd6 Kg7 ) +5.28/45 567) score for White +5.28 depth 45.
if I force SF to accept the Rook:
30. Rxf5 gxf5
31. Rg4+
(31. Rg4+ (1.Rg4+ fxg4 2.Qxa6 Ne7 3.e6 fxe6 4.Qe2 Rxd6 5.cxd6 Kf7 6.dxe7 Bxe7 7.Qe5
Rg8 8.Qf4+ Ke8 9.hxg4 a5 10.Qe4 Kf8 11.Bh6+ Ke8 12.Kg1 Kd7 13.Qb7+ Ke8
14.g5 Rg6 ) +7.15/42 280)
score for White +7.15 depth 42. |
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Jun-04-25
 | | takebackok: Around and around Wednesday, ok 30. Rxf5 gxf5 31. Rg4+ fxg4 32. Qxa6 easy part done now not so sure. |
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| Jun-04-25 | | Walter Glattke: b) 35.c5 Rxd6 36.cxd7 Bxe5 37.Rxc8+(>QxQ) Qxc8 38.cxc8Q+ Rxc8 39.Qb5 variant a) 35.Nxf5!? gxf5 36.Rg3+ Bg7 37.Qxf5 Qe6, better 35.Rxf5! Qc6 36.Qf3 |
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Jun-04-25
 | | chrisowen: I q bunch its z Rxf5 abluff frazzle its bob v bot its had gi guff ace its me its imbibe its hoh its Rxf5 its etc; |
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| Jun-04-25 | | King.Arthur.Brazil: The king believes that, right now, many already posted the winning line... and I failed the potd, believe me? The correct is 30. Rxf5 gxf5 31. Rg4+ fxg4 32. Qxa6 and catching our precious ♕ from our contender. Instead, I run for a check mate like patzer, with: 30. Rxf5 gxf5 31. Qxf5?? Rxd6! 32. exd6?? Qxc4... and W is 2 pieces down and no mate. The king is sleeping yet! LOL |
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Jun-04-25
 | | mjmorri: I saw some tactics involving the unguarded Queen, but didn't see any real material gain and a clear way to move forward. |
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| Jun-04-25 | | TheaN: I botched this one up, I thought to go with the safe route of 30.Nxf5?!, considering I wasn't sure 30.Rxf5 and then either 30....gxf5 31.Rxg4 fxg4 or 30....Qxc4 would really give an advantage. Problem is that after 30.Nxf5 gxf5! the situation isn't much better: 31.Rg4+? fxg4 32.Qxa6 gxf3 -+ is way worse and 31.Rxf5 = is a draw at best because Black can now defend against the discover. Still a dominant position for White but not winning. |
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Jun-04-25
| | chrisowen: Duh Rxf5 no? |
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| Jun-04-25 | | FM David H. Levin: It seems to me that giving the position after 29...exf5 two stars doesn't take into account that White had to see much further than 32. Qxa6 to realize that the instability of Black's rooks and knight and the exposure of his king give White a big advantage. |
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| Jun-04-25 | | FM David H. Levin: I'd have strongly considered 7...c5,
click for larger viewin order to either break White's bind on the e5-square or give White an isolated d-pawn. If 8. dxc5, then 8...Qa5 
click for larger viewwould leave Black (having moved his c-pawn twice) a tempo behind the Gruenfeld, but White would have used that tempo to play 1. f4, which would have resulted in holes at e3 and e4 without much value in return. |
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| Jun-04-25 | | AlekhineEnthusiast: Levin - Agreed about the position after 32 Qa6. A book should be written about how to evaluate such positions. I was at a loss there. |
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| Jun-04-25 | | TheaN: <FM David H. Levin: I'd have strongly considered 7...c5, in order to either break White's bind on the e5-square or give White an isolated d-pawn. If 8. dxc5, then 8...Qa5> Strong idea, but 8...Qa5 would be a bit provocative after 9.cxd5! Ne4 (if 9....Qxc5 10.O-O! ± Black's just a tad bit too underdeveloped) 10.Bd2 Nxc3 (Nxc5 11.Rc1 +-) 11.Bxc3 Bxc3 12.bxc3 Qxc3 13.Kf2 Qxc5 14.Rc1 ⩲:
click for larger view
The issue is that Black commits an all-in on the queen side, liquidates all active pieces and the White king is now surprisingly safe; after cxd5 there's kind of no way back, alternatives are worse. If instead 8....Ne4! Black keeps the queen at bay promoting development weirdly enough, as 9.Nxe4 dxe4 10.Qxd8 Rxd8 11.Nd4 Nc6 = is fine and Black's enjoying bit easier play:
click for larger viewWhite's setup has a lot of sting though, as 9.Nxd5?! provoking 9....e6, 10.Nc3! Nxc3 11.bxc3 Bxc3 12.Bd2 Bxa1 13.Qxa1 = this exchange sac is thematically and only slightly better for Black because of the White activity and Black holes on the king side. |
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| Jun-05-25 | | FM David H. Levin: Hi, <TheaN>. The idea behind <7...c5 8. dxc5 Qa5> was to meet <9. cxd5> by <9...Nxd5! 10. Qxd5 Bxc3+>
click for larger view(If now 11. bxc3, then 11...Qxc3+ and 12...Qxa1, when I'm not sure Black's slightly weakened kingside gives White enough compensation.) <11. Kf2> (I guess having moved the f-pawn serves a purpose after all.) <11...Bg7>, with I think reasonable play for the pawn. |
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| Jun-05-25 | | FM David H. Levin: <<AlekhineEnthusiast>: Levin - Agreed about the position after 32 Qa6. A book should be written about how to evaluate such positions. I was at a loss there.> I noticed the vulnerabilities in Black's position as a result of realizing that after 32. Qxa6, White threatened (among other things) 33. Qc6 or 33. Qc4 Ne7 34. Qxg4+ and 35. Qxd7. This deprived Black of the time to protect or exchange his g-pawn, whose capture would give White Q+2P v. 2R, the more mobile pieces, and the safer king. This persuaded me to select 30. Rxf5. I would find interesting to learn how deeply a top GM would analyze 30. Rxf5 before relying on judgement. |
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| Jun-05-25 | | TheaN: <FM David H. Levin: Hi, <TheaN>. The idea behind <7...c5 8. dxc5 Qa5> was to meet <9. cxd5> by <9...Nxd5! 10. Qxd5 Bxc3+> (If now 11. bxc3, then 11...Qxc3+ and 12...Qxa1, when I'm not sure Black's slightly weakened kingside gives White enough compensation.)> Strangely enough it really does. I've played the Bird before and this variation is really what you aim for if Black fianchettos. After 12.Qd2 Qxa1 13.O-O:
click for larger view
Is every gambit dream you can imagine... it actually goes fast in an almost forced line: 13....Nc6 (what else?) 14.Bb2! Qxa2 15.Qc3 e5 (f6? 16.Bc4+ +-) 16.Nxe5 Nxe5 17.Qxe5 f6 18.Qc3 Qf7 (Be6 19.f5 gxf5 20.Rxf5 ±) 19.e4 Be6 20.f5 gxf5 21.e5!:
click for larger view
And a complicated position but advantage to White due to bishop pair, inactive a8-rook and forced open lines to the Black king. Granted, not everyone might play the best moves here for both sides, but by principle Qxa1 followed by the O-O tempo and the long diagonal battery gives White practical play and Black a cramped defense. Can Black untangle from this, White loses fairly quickly. |
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| Jun-05-25 | | TheaN: I actually compare this to the positional exchange sac in the Tarrasch French though arguably this one is better for White than the French one is for Black: 1.e4 e6 2.d4 d5 3.Nd2 Nf6 4.e5 Nfd7 5.Bd3 c5 6.c3 Nc6 7.Ne2 cxd4 8.cxd4 f6! 9.Nf4!? Nxd4! =:
click for larger view
This loses an exchange by force 10.Qh5+ Ke7! 11.Ng6+ (exf6+ similar) hxg6 12.exf6+ Kxf6! 13.Qxh8 Kf7 =:
click for larger view
Dynamically equal position, Black has the center White the exchange, and weaknesses on both sides. Sadly this line has drawing tendency if White knows the theory, but I'd put it in a similar category of 'sound opening exchange sacs' just because the rooks can't get into play fast enough. |
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| Jun-08-25 | | FM David H. Levin: <<TheaN>: Granted, not everyone might play the best moves here for both sides, but by principle Qxa1 followed by the O-O tempo and the long diagonal battery gives White practical play and Black a cramped defense.> I agree that White has practical chances. My earlier question (which I'm content
to leave open) was whether White has sufficient compensation in the theoretical sense. I looked up the similar Gruenfeld line to which I alluded: 1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Be2 c5 7. dxc5 Qa5 8. cxd5 Nxd5 9. Qxd5 Bxc3+ 10. bxc3 Qxc3+ 11. Qd2 Qxa1 12. O-O. 
click for larger viewAccording to <Games Like Milov vs T Vakhidov, 2014>,
the most common continuation has been 12...Qg7 13. Bb2 f6. The four games given
(which I haven't gone through) produced an even score. So, even in that line, it seems difficult for Black to exploit being the exchange up. |
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