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Yu Yangyi vs Leinier Dominguez Perez
"Yangyi Wild and Free" (game of the day Apr-18-2016)
Capablanca Memorial (Elite) (2015), Havana CUB, rd 8, Jun-23
Sicilian Defense: Najdorf Variation. English Attack Anti-English (B90)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Aug-14-16  YouRang: <YetAnotherAmateur: Out of curiosity: Why 30. ... Qxe3 rather than fighting back with something like 30. ... Qxc2+
31. Ka1 fxe6
32. f7+ Kxf7
33. Qf4+ Ke8
And that leave black with a number of threats that have to be dealt with, like Rc5-a5, Bg7, and exd5. Sure, I expect white's attack to be vicious, but I'm not seeing a way for white to actually put the nail in the coffin.>

After 33...Ke8


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The engine continues:

34.Qh5+ Kd8 35.Bh4+


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Now black has to play 35...Nf6 (since 35...Be7 36.Bxe7#) 36.Bxf6+ Be7 37.Bxe7+ Kd7 38.Qf7


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38...exd5 39.Bf6+ Kc6 40.Rc1 pins Q and K, and mate soon after Q falls.

Aug-14-16  WorstPlayerEver: 38... Bd5 39. Re8 Kc7 40. Rc8 Kb6 41. Bf2 Ka5 42. Rc7 Rg2 43. Bd4 Kb4 44. Rd7 Kb3 45. Rd8 leads to a draw. Maybe I missed something.
Aug-14-16  WorstPlayerEver: 35. Kb2 Kd8 36. Rg1 Bg6 37. h4 Rg7 38. Bd6 h5 39. Nd5 Rc2 40. Ka3 Rc6 41. Bb4 f5 42. Reg1 f4 43. Ba5 Kc8 44. Ne7 Re7 45. Re7 Bf5 46. Rf1 Rc5 47. Bd2 Kc7 48. Rf4 and it's a technical win.
Aug-14-16
Premium Chessgames Member
  agb2002: White has a bishop and a knight for the bishop pair.

Black threatens Nxf6.

White has a several options involving a knight sac: Nd5, Nxe6, Nf5.

The last one can be discarded due to 29.Nf5 exf5 30.exf5+ Qxe3.

The second looks losing after 29.Nxe6 Qxe3 30.Ng7+ Bxg7 31.Rxe3 (31.fxg7 Qxc3) 31... Bxf6.

So 29.Nd5:

A) 29... exd5 30.exd5+

A.1) 30... Kd8 31.Qe8+ Kc7 32.Qxf7 (protects d5 and f6, recovers material and threatens Ne6+, winning the black knight) looks quite promising.

A.2) 30... Ne5 31.Bxe5

A.2.a) 31... dxe5 32.Qxe5+

A.2.b) 31... Bxd5 32.Bxd6+

A.2.b.i) 32... Be6 33.Nxe6 Qxe3 (33... fxe6 34.Qxe6+ Kd8 35.Bxf8+ is a massacre; 33... Bxd6 34.Nc5+ Kd8 -34... Kf8 35.Qh6+ Kg8 36.Qg7#- 35.Rxd6+ Qxd6 36.Nb7+ wins) 34.Ng7+ Bxg7 (34... Kd7 35.Rxe3 Bxd6 36.Nf5 Rc6 37.Re7+ and 38.Rxd6 wins a piece) 35.Rxe3+ Kd7 36.Bf8+ and 37.fxg7 wins.

A.2.b.ii) 32... Kd8 33.Ne6+ wins the queen.

A.2.b.iii) 32... Kd7 33.Bxf8 Rcxf8 (33... Rhxf8 34.Qe7#) 34.Nf5 seems to win the bishop.

B) 29... Qa7 30.Nxe6 Qxe3 (30... Qb8 drops a pawn with a much inferior position) 31.Ng7+

B.1) 31... Bxg7 32.fxg7 Rg8 33.Rxe3 Rxg7 34.Bxd6 wins a pawn at least.

B.2) 31... Kd8 32.Rxe3 is similar to B.1.

C) 29... Qd8 30.Nxe6 fxe6 31.Qf3

C.1) 31... exd5 32.Qh5#.

C.2) 31... h5 32.f7#.

C.3) 31... Ne5 32.Bxe5 exd5 (32... dxe5 33.f7+ Kd7 34.Nf6+ wins decisive material) 33.f7+ Kd7 34.Bxh8 looks good for White.

Aug-14-16  mel gibson: This is one of the most complicated games I've ever seen. There are so many swaps of pieces.
Aug-14-16  Virgil A: Really? A puzzle? That's half the game.
Aug-14-16  epistle: MVL should channel this great player.
Aug-14-16  Patriot: I chose 29.Nd5 only because it's an interesting attack and attempt to pry open the e-file:

29...exd5 30.exd5+ Kd8 31.Qe8+ Kc7 32.Qxf7 looks good.

29...Bxd5 30.exd5 Nxf6 31.dxe6 Nd5 32.exf7+ looks good.

I also wondered what I'm supposed to do with that knight on d5 if 29...Qd8. 30.Nxe6 fxe6 31.f7+ Kxf7 32.Rf1+ Ke8 33.Qg5 looks like a strong attack.

Aug-14-16  Patriot: <agb2002> Nice job!

I have a question though. For move 29...?, you considered exd5, Qa7, and Qd8 in much detail. But why not consider 29...Bxd5? Isn't that a critical move?

Aug-14-16  Patriot: In my last line <I also wondered what I'm supposed to do with that knight on d5 if 29...Qd8. 30.Nxe6 fxe6 31.f7+ Kxf7 32.Rf1+ Ke8 33.Qg5 looks like a strong attack.>, I think I confused a few ideas because I looked at 32.Rf1+ Nf6 33.Qg5 and threatening Qh5+ as well. Simple is 33.Nxf6 though. At least most of that line is good.
Aug-14-16  RandomVisitor: As mentioned earlier, 23...Bd7 supports the Queenside attack with follow-up moves like a5 and a4. Play might continue:


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Komodo-10.1-64bit:

<0.00/35 23...Bd7 24.f5 a5 25.e5 a4> 26.fxe6 fxe6 27.Nxa4 Bxa4 28.exd6 Bd7 29.Kb2 Qb4 30.Qe3 Na4+ 31.Kc1 Qa3+ 32.Kd2 Bxd6 33.Nxe6 Qb4+ 34.Kc1 Qa3+ 35.Kd2

Aug-14-16
Premium Chessgames Member
  An Englishman: Good Morning: Thought this game was familiar, so no credit to me for solving it. One of the best aspects of this game consists of some of the posts contributed by the other writers such as <Elrathia Kingi>, pointing out where Black could have improved. Nice antidote to "annotation by result."
Aug-14-16  drollere: material is equal but black has been outplayed. white has more space and a more aggressive placement of pieces; black's KB can go nowhere, which means the K also is hemmed in and the R's remain unlinked.

both flanks look secure for black, and black's immediate threat is Nxf6. this puts the focus on the 5th rank and various combinations on the central squares: Bxd6, Nd5, Nxe6 (with discovered attack on Q), e5, Nf5, etc.

the N at c3 is potentially hanging, which moves Nd5 (attacking Q) up the priority list of moves. but Bxd5, ed5, e5 seems sufficient.

Nf5 looks better; if ef5 then ef5+, and next stop for the N is Nxd6+ or Ng7+ (Bxg7 fg7 with R check is bad for black). Nxd6+ meets Bxd6, so the B has to be taken out first. worse, Nf5 allows black to trade off the Q's. it also seems tactically useful to tear up black's center pawns. so:

29. Nd5 Bxd5
30. ed5 e5
31. Nf5 Qxe3
32. Rxe3 etc.

well, i got the first move but not black's reply; the second N move (sac) is logical primarily because of black's reply.

it's debatable whether black's Qc5 was a blunder, and worth asking what white was planning after my preferred Bxd5.

i especially liked the various threats white comes up with after Ng7+.

i'm taking 2 points and 13/18 (72%) for the week.

Aug-14-16
Premium Chessgames Member
  jith1207: <What does this pun have to do with anything?>

Young, Ye, Wild and Free - Living life to the fullest.

Yangyi, wild and free - Playing chess to the fullest.

I can see a wonderful, meaningful pun in this.

Aug-14-16  RandomVisitor: After 34.Ne3 black has a difficult game, as indicated by these suggested lines


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Komodo-10.1-64bit:

<+1.52/33 34...Bxe4+ 35.Kb2> Kd8 36.Bh4+ Kc7 37.Rc1+ Kb8 38.Rxc8+ Kxc8 39.Rc1+ Nc5 40.b4 Rxg7 41.bxc5 Kc7 42.cxd6+ Kxd6 43.Rf1 Rg6 44.Rxf7 Rh6 45.Bg3+ Ke6 46.Rf4 Bc6 47.h4 Rg6 48.Be1 Rf6 49.Rc4 Bh1 50.Rd4 Bc6 51.Bb4 Kf7 52.Bc3 Re6 53.Nf5 Re2+ 54.Kb3 Ke6 55.Rd6+ Kxf5 56.Rxc6 Kg4 57.Bf6 Re3+ 58.Kb4

+1.72/33 34...Rxg7 35.Nf5 Rxg3 36.Nxg3 Rc3 37.Nf5 Rxb3+ 38.Ka2 Rb4 39.Rxd6 a5 40.Rg1 Kd8 41.Rgd1 Bc8 42.e5 Re4 43.R6d5 Rf4 44.Nd4 Ke8 45.Rxa5 Bb7 46.Nb5 Bc6 47.Nd6+ Ke7 48.Nc8+ Ke8 49.Rd2 Ra4+ 50.Rxa4 Bxa4 51.Re2 Bc6 52.Kb2 Kd8 53.Nd6 Bd5 54.Kc3 Ke7 55.Kd4 Be6 56.Re3 f6

+1.96/33 34...Rc3 35.Kb2 Rxg7 36.Bxd6 Rc8 37.Rd2 Rg6 38.Nf5 Nf6 39.Ne7 Rd8 40.Nxg6 hxg6 41.Rd4 Nxe4 42.Rdxe4+ Bxe4 43.Rxe4+ Kd7 44.Bc5 Kc6 45.Be3 Rd1 46.Bg5 Rf1 47.h4 Rf3 48.Re5 Kc7 49.Bd2 Kb7 50.Kc2 Kc6 51.Ra5 Kb6 52.Rd5 Kc6 53.Re5 Kb6 54.Bg5 Kc7 55.Ra5

Aug-14-16  Whitehat1963: Nothing better than 32...Qxb3?
Aug-14-16
Premium Chessgames Member
  thegoodanarchist: <morfishine: Not a bad game but what does "Yangwi Wild and Free" have to do with anything?>

Don't you know that the GOTD title is supposed to be a rhyme? Yangyil rhymes with free.

Or is the title supposed to be a pun? I forget...

Aug-14-16  David2009: <morfishine: Not a bad game but what does "Yangwi Wild and Free" have to do with anything?> Perhaps "Yangtse wild and free".

From Wikipedia : "Douglas Adams and Mark Carwardine documented their encounters with the endangered animals on their conservation travels for the BBC programme Last Chance to See. <snip> Out of the seven times Mark and Douglas had visited China, never did they encounter a wild and free Yangtze river dolphin.

Aug-14-16  David2009: Yu Yangyi vs L Dominguez 29? Insane


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I went for Nd5. The sacrifice can't be accepted but I could't see a follow-up. 29.Nd5 Qc5 30.Nxe6 seemed to me to be better for Black after 30...Qxe3 - I had missed the brilliant temporary Queen sacrifice 31.Ng7+! Bxg7 32.fxg7!

Having seen how the game ended, I set the position up in Crafty End Game Trainer http://www.chessvideos.tv/endgame-t... and played out the game line. Crafty agreed with Black's defence for the firs ten moves, then calmly accepted the sacrificed Rook at move 38 (38...Bxd5!) to reach


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(link: http://www.chessvideos.tv/endgame-t... ) which seems to leave Black a sound Pawn up after 39.Re8+ Kc7 40.Rxc8+ Kb6 and I can't find a way to polish Black off. Have I missed something?

Crafty no longer plays the same defence. Half the time it defends with the game line, half the time with the <You Rng> variation 29...Bxd5 30.exd5 e5. Can anyone find a way of beating Crafty in either line? - if so please post it.

Aug-14-16  Patriot: <David2009> I tried and tried. The best I could find is a guaranteed draw:

39.Re8+ Kc7 40.Rxc8+ Kb6 41.Bf2+ Ka5 42.Be1+ Kb6 43.Bf2+ =

Everything else was a loss for me.

Aug-14-16  morfishine: Complications galore
Aug-15-16
Premium Chessgames Member
  agb2002: <Patriot: <agb2002> Nice job!

I have a question though. For move 29...?, you considered exd5, Qa7, and Qd8 in much detail. But why not consider 29...Bxd5? Isn't that a critical move?>

Thank you!

Yes, it is. I considered briefly 29... Bxd5 30.exd5 e5 31.Nf5 Qxe3 32.Rxe3, when Black seems to be in a straight jacket, and forgot it completely when I wrote the post.

I don't want to enumerate moves in a file before writing my post because that would be too different from a real game.

So I think I'm more interested in keeping my head working and have fun with it than becoming a better analyst.

Aug-19-16  Moszkowski012273: Damn complicated......
Aug-27-16  Whitehat1963: What happens if 27...Bxf6?
Aug-27-16  Moszkowski012273: 27...Bxf6 28.e5...
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