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Baskaran Adhiban vs Li Wu
Isle of Man Grand Swiss (2019), Douglas IMN, rd 1, Oct-10
Russian Game: Kaufmann Attack (C42)  ·  1-0



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Kibitzer's Corner
Premium Chessgames Member
  OrangeTulip: Nice game by Adhiban
Oct-12-19  whiteshark: If <18...gxh6 19.Qg6+ Kh8 20.Qxh6+ Kg8 21.Qg6+ Kh8 22.Ng5 Nf4 23.Qh6+ Kg8 24.Bh7+ Kh8 25.Bf5+ Kg8 26.Bxe6+ Nxe6 27.Nxe6> +-

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Premium Chessgames Member
  An Englishman: Good Evening: Saw White's attack but thought that 18...Qe8 refuted it. Sigh. 4/6 for the week. Monday yet?
Nov-08-20  Walter Glattke: Tested 17.Nxd5 Bxd5 18.Bg5 hxg5 20.Nxg5 d4 21.Bf5 g6 22.Qf4 Kg7 23.Qh4 Rh8 not enough, B) 17.Bxh6 gxh6 18.Rxe6 fxe6 19.Qg6+ Kh8 20.Qxh6+ Kg8 21.Ng5 Qd7 22.Re1 Bd8 23.Nxd5 Qxd5 24.Ne6 Rf7 25.Qg6+ Kh8 26.Qxf7!! wins C) 17.Rxe6 fxe6 18.Bxh6 c4 19.Qg6 Rf7 20.Ng5 Qe8 21.Nxd5 exd5 22.Re1 Rc8 23.Nh7 c3 24.b3 Rc7 25.Nxf6+ Rxf6 26.Qxe8+ Rf8 27.Qg6 Bxa3 28.Qh7+ Kf7 29.Qxg7+ and slaughtering, white always wins with Rxe6 and Bxh6 D) 17.Rxe6 fxe6 18.Bxh6 Qe8 19.Nxd5 exd5 20.Bg5 g6 21.Ne5 c4 22.Qxg6+ Qxg6 23.Bxg6 Kg7 wins 2 pawns. Now, stockfish and super-kibitzers, test some more, will look later here.
Nov-08-20  morfishine: I considered 17. Rxe6 and 17.Bxh6, finally settling on 17.Rxe6 without taking into account the Bishop sac on <h6> was the follow up
Nov-08-20  Brenin: I found those small retreats 19 Bg5 and 21 Ne2 hard to see. Was the last one necessary? Why not 21 Nxd5, or 21 Qxd4? Black's defensive moves 21 ... Bd6 and 22 ... e5 look over-ambitious and weakening.
Premium Chessgames Member
  Messiah: Not easy.
Nov-08-20  thegoodanarchist: <whiteshark: If <<<18...gxh6 19.Qg6+ Kh8 20.Qxh6+ Kg8 21.Qg6+ Kh8 22.Ng5 Nf4 23.Qh6+ Kg8 24.Bh7+ Kh8 25.Bf5+ Kg8 26.Bxe6+ Nxe6 27.Nxe6>>>>

Thank you. This puzzle is a textbook example of my main chess weakness. I instantly saw the double sac of 17. Rxe6 and 18. Bxh6, followed by the queen coming to g6 with check, and White has a perpetual at least.

But I couldn't work out how White can convert that to a decisive advantage. It is done with the zwischenzug 22. Ng5.

I suppose in an actual game I can just play the sequence up to move 21 and try to work out the zwischenzug at that point, but titled players like Adhiban probably work out the entire line in advance.

If they don't, if they are just optimistic because they've seen these types of positions before, and so they go in for the line without working it all out, then that tells me my biggest chess weakness is not being optimistic.

With days like yesterday reinforcing my natural pessimistic tendencies, I may never earn a FIDE title.

Nov-08-20  morfishine: <thegoodanarchist:> On your comment: <I instantly saw the double sac of 17. Rxe6 and 18. Bxh6> Very good, you did better than me with move 18 <With days like yesterday reinforcing my natural pessimistic tendencies, I may never earn a FIDE title> Sounds like you are closer to your goal than you think
Nov-08-20  agb2002: White has Bxh6 and Rxe6 to expose the black king. However, Black has c4 to decoy the white queen when convenient.

It seems the correct move order is 17.Rxe6 followed by Bxh6 (17.Bxh6 gxh6 18.Rxe6 Nf4):

A) 17... fxe6 18.Bxh6

A.1) 18... gxh6 19.Qg6+ Kh8 20.Qxh6+ Kg8 21.Ng5 Rf7 22.Nxf7 Kxf7 23.Bg6+ Kg8 24.Be4 looks good for White (24... Nxe4 25.Qh7+ Kf8 26.Qf7(h8)#).

A.2) 18... Qe8 19.Bg5 with some compensation for the material.

B) 17... c4 18.Qf5 fxe6 (18... g6 19.Qe5 fxe6 20.Qxe6+ followed by Nxd5 collects more material) 19.Qxe6+ followed by Ne5 looks very good for White.

Premium Chessgames Member
  ray keene: Subject: My chess column this week in The Article

Here’s the link to this week’s chess column which I write every Saturday for @TheArticle. Hope you enjoy it and if you have time please give it a rating on the site ( preferably the full fifteen stars) Thanks

Premium Chessgames Member
  Jimfromprovidence: I am having a difficult time grasping what is wrong with black's position even after knowing the solution. For example, I was looking at 19...c4, below, as a solid move for black, in order to force the white queen to move off of the b1-h7 diagonal.

click for larger view

Nov-08-20  mel gibson: I didn't see that.

Stockfish 12 agrees with the chosen line:

17. Rxe6

(17. Rxe6 (♖e1xe6 f7xe6 ♗c1xh6
♗e7-d6 ♖a1-e1 ♕d8-d7 ♗h6-g5 ♖a8-d8 ♘f3-e5 c5-c4 ♕d3-g3 ♘d5xc3 b2xc3 ♗d6xe5 d4xe5 ♘f6-h7 ♗g5xd8 ♖f8xd8 ♗c2xh7+ ♔g8xh7 ♖e1-e4 ♕d7-d5 ♖e4-d4 ♕d5xd4 c3xd4 ♖d8xd4 ♕g3-f3 ♖d4-d5 ♕f3-h5+ ♔h7-g8 ♕h5-e8+ ♔g8-h7 ♕e8xe6 ♖d5-c5 ♕e6-e7 ♖c5-b5 ♕e7-f7 ♖b5xe5 ♕f7xb7 ♖e5-e1+ ♔g1-h2 c4-c3 ♕b7xa7) +4.63/35 126)

score for White +4.63 depth 35.

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