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Viswanathan Anand vs Viktor Antonovich Bologan
FIDE World Ch (2000), New Delhi IND, rd 2, Dec-01
Spanish Game: Morphy Defense. Breyer Defense Zaitsev Hybrid (C95)  ·  1-0
ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Apr-04-11  redcircle: 38.g6!! spectacular move taking advantage of both Black's back rang weaknesses and Black's fewer pieces on the kingside that leads to mate after 38..hxg6

that's why Black was forced to take with fxg6 and after 39.Nd7 he can resign.

of course black cannot ignore the threat of 38.g6 actually he's in a kind of zugzwang whatever he plays makes his position worse

May-16-13  EvanTheTerrible: This needs more attention.
May-17-13  NGambit: A case of being overshadowed by a famous sibling?

Anand vs Bologan, 2003

Jun-27-15
Premium Chessgames Member
  Penguincw: My random guess was 37.g6 hxg6 38.Qh4 gxh5 39.Qxh5+ Kg8.
Jun-27-15
Premium Chessgames Member
  thegoodanarchist: Really, only 1 page or less of comments on this game? It is more obscure than it deserves.
Jun-27-15
Premium Chessgames Member
  jith1207: Yep, probably overshadowed by Anand's immortal game even though separated by three years.
Jun-27-15
Premium Chessgames Member
  diagonalley: hmmmm... material temporarily level but black has a venomous looking passed pawn ... which means white will have to do summat PDQ ... ermmm.... pass... haven't a clue :-(
Jun-27-15
Premium Chessgames Member
  diagonalley: whoa.... N-KB6 (i'd be interested to know if an engine could defend this)
Jun-27-15  goodevans: <37.Nf6> isn't difficult to find. I settled on it in seconds. <38.g6!> is quite a different matter and well worthy of a weekend POTD.
Jun-27-15
Premium Chessgames Member
  morfishine: I had <37.Nf6> but certainly not 38.g6

Wonderful combination by Anand

*****

Jun-27-15  mathlover: 38. g6 is the move
Jun-27-15  scormus: seems I'm not the only one who found 37 Nf6 but not he key move 38 g6!
Jun-27-15  scormus: Oh dear, there was me thinking how easy <37 Nf6> was to find and now my engine didn't pick it at d=17, after 10 mins crunching.

When I "played" <37 Nf6> the engine only just managed to find <37 ... Re5> within the 10 mins. For a long time it was choosing <37 ... c2>. But gave a clear advantage to W after <38 g6 hxg6 39 Qh4+ Rh5 40 Nxh5>. A bigger "+" for W after <38 ... fxg6>.

Interesting, it took a long of analysis before the threat of <37 ... c2> could be dismissed. Puts the quality of the game in perspective!

Jun-27-15  RandomVisitor: After 37.Nf6: needs a deeper run


click for larger view

Rybka 4.1 x64:

<[+2.29] d=16 37...c2> 38.Bxc2 gxf6 39.gxf6 h6 40.Rg1 Rxc2 41.Nxc2 Qe5 42.Qxe5 Rxe5 43.Kf3 Rg5 44.Rxg5 hxg5 45.Rxg5 Bh6 46.Rg1 Nc5 47.Ne3 Nd7 48.Rb1 Kh7 49.Nf5 Ne5+ 50.Kg3 Bxf5 51.exf5 Nd7 52.Rb7 Nxf6

[+2.61] d=16 37...Re5 38.g6 hxg6 39.Qh4+ Rh5 40.Nxh5 Kg8 41.Bc2 Qb6 42.Qd8 Qb8 43.Ne6 Bxe6 44.Qxb8 Nxb8 45.dxe6 gxh5 46.exf7+ Kxf7 47.Rf3+ Ke7 48.Rdd3 Nd7 49.Rxc3 Nc5 50.Bb3 Ke8 51.Bd5 Be7 52.Rf7 g5

Jun-27-15
Premium Chessgames Member
  patzer2: <scormus> My engine (quad core I7 running Deep Fritz 14) is a bit faster than 10 minutes, but even so the program didn't find 37. Nf6 until it reached 20 depth after about a minute.

Before looking at the game with the computer, my lucky guess at today's Saturday puzzle solution was 37. Nf6 gxf6 38. gxf6 Re5 39. Nf5 (diagram below):


click for larger view

Deep Fritz 14 at this point confirms my guess at 30 depth by announcing mate-in-11 with 39...Bxf5 40.exf5 Re2 41.Rf1 Re3 42.Qxe3 h6 43.Rg7 Bxg7 44.fxg7+ Kxg7 45.f6+ Kxf6 46.Qd4+ Ke7 47.Re1+ Qe2 48.Rxe2+ Kd8 49.Qh8+ Kd7 50.Qe8#

As to the game continuation 37. Nf6! Re5 38. g6!!, which is a much stronger defense, I didn't even consider it in my attempt at solving (37. ?). So little or no credit for me today on this difficult Saturday puzzle.

Jun-27-15
Premium Chessgames Member
  catlover: I wouldn't have seen 38. g6 in a million years. The resulting position is beautiful, with the knight on F6 just hanging the g6 pawn that can be taken two ways, but each way opens lines to the black king.
Jun-27-15
Premium Chessgames Member
  patzer2: Black's decisive mistake appears to be <36...c3?>, allowing 37. Nf6! .

Instead, the computer suggestion 36...Nc5! (diagram below)


click for larger view

appears to hold after 37. Nf6! Re5 38. g6 fxg6 39. Nxh7 Kxh7 40. Qxf8 Nd3! 41. Bxd3 Qxd4 42. Bc2 Qb2! 43. Qxd6 Rf7! 44. Rd2 Qc1! 45. Qb4 Qe1! 46. Qc3 Rg5! 47. Rxg5 Rxf2+ 48. Rxf2 Qxc3 49. Rg3 Qd4 50. h4 Bd7 = (+0.10 @ 23 depth and +0.00 @ 24 depth, Deep Fritz 14).

Jun-27-15
Premium Chessgames Member
  thegoodanarchist: My engine is about 5 years old, Deep Shredder 12. At first, it liked

37... gxf6 38. gxf6 h6.

But after about 8 to 10 seconds it found the crushing 39. Ne6!

39... fxe6 allows 40. f7 with mate in 4.

Jun-27-15
Premium Chessgames Member
  Jimfromprovidence: There is also 37 Nf6 gxf6 38. gxf6 Re5.


click for larger view

38...Re5 prevents 39 Qg5.

But white wins with the great interference move 39 Nf5!


click for larger view

Play it out

Jun-27-15  iamsheaf: Vishy has played a few combinations which easily qualify as tactical masterpieces... Too bad he is getting old and no longer as comfortable playing youngsters
Jun-27-15
Premium Chessgames Member
  agb2002: White has a bishop and a knight for the bishop pair.

Black threatens c2 after Nb4 or not.

The natural way to continue the attack seems to be 37.Nf6:

A) 37... gxf6 38.gxf6

A.1) 38... Nb4 39.Qg5 Bh6 40.Qxh6 Rg8 41.Rxg8+ Kxg8 42.Qg7#.

A.2) 38... h6 39.Nf5

A.2.a) 38... c2 39.Qg4 and mate next.

A.2.b) 38... Bxf5 39.exf5 (39.Qxf5 Re5 40.Qg4 Rg5 41.Qh4 Rxg3+ 42.Qxg3 c2 43.Bxc2 Rxc2 44.Rg1 Rc1 forces the trade of the last rook an wins for Black) 39... c2 40.Qg4 and mate next.

B) 37... Rd8 38.Nxh7

B.1) 38... Kxh7 39.Qh4+

B.1.a) 39... Kg6 40.e5+

B.1.a.i) 40... c2 41.Bxc2+ Rxc2 42.Qe4+ f5 (42... Kh5 43.Qh7#) 43.gxf6+ Kf7 (43... Kh6 44.Qh4#; 43... Kh5 44.Qh7#) 44.e6+ Kg8 (44... Ke8 45.Qg6#; 44... Bxe6 45.dxe6+ just loses a bishop) 45.f7+ Kh8 46.Qh4#.

B.1.a.ii) 40... f5 41.gxf6+ Kf7 42.Bg6+ Kg8 44.Qh7#.

B.1.b) 39... Kg8 40.g6 fxg6 41.Qxd8 c2 42.Rf3 Rf7 (42... cxd1=Q 43.Rxf8+ Kh7 44.Rh8#) 43.Rxf7 Kxf7 44.Bxc2 + - [R+P vs B].

B.2) 38... c2 39.Qh4 Kg8 (39... cxd1=Q 40.Nf6#; 39... g6 40.Nf6+ and mate next) 40.Nf6+ gxf6 41.gxf6+ Bg7 42.Rxg7+ Kf8 43.Qh8#.

C) 37... Re5 38.g6 (38.Ng4 Re8)

C.1) 38... fxg6 39.Nd7 Re8 40.Nxf8 seems to win decisive material.

C.2) 38... hxg6 39.Qh4+ Rh5 40.Nxh5 gxh5 41.Qxh5+ Kg8 42.e5 (42.Nf5 Bxf5) 42... c2 43.Bxc2 Rxc2 44.Nxc2 Qxc2 45.Rd4 looks winning for White.

D) 37... Nb4 38.Nxe8 wins decisive material.

E) 37... c2 38.Bxc2 gxf6 (38... Rxc2 39.Nxe8) 39.gxf6 looks similar to previous lines.

Jun-27-15  mel gibson: Jun-27-15
Premium Chessgames Member patzer2: <scormus> My engine (quad core I7 running Deep Fritz 14) is a bit faster than 10 minutes, but even so the program didn't find 37. Nf6 until it reached 20 depth after about a minute.

Yes - I have DR4 64 bit running on an i7 quad core.
It took more than 1 minute for computer
to see the move: Nf6.

Usually it solves the daily puzzle in 1 second.

It was hung up for a while on 37. Bc2

before claiming that 37 Nf6 was only slightly better.

Result
1 second 37 Qc1
20 seconds 37 Bc2
60 seconds 37 Nf6 depth 17 score + 0.75

300 seconds
37 Nf6 (score = +2.48) Re8-e5
38 g5-g6 h7xg6
39 Qf4-h4+ Re5-h5
40 Nf6xh5 g6xh5

Isn't it amazing that Anand saw the correct move?

Jun-28-15
Premium Chessgames Member
  CHESSTTCAMPS: Material is essentially even with black having a bishop pair that is not so strong, because the Bf8 is passive, with limited scope. At first glance, this would seem to be compensated for by the advanced c3 pawn, that can win material with a timely c2. However, white can put his king-side space advantage and advanced knights to good use.

37.Nf6!! establishes white's initiative and encourages black to open the g-file for Rg3.

A) 37... gxf6 38.gxf6 Re5 (to stop Qg5 winning immediately) 39.Nf5! Bxf5 40.exf5 Qe2 41.Qg5 and black can only stop 42.Qg8# with spite checks or 41.Bg7

A.1) 38... h6 39.Bc2! (Nf5? Qe2!) Nb4 40.Nf5! Qxc2 41.Qg4 wins

A.2) 38... c2 39.Qg5 wins.

B) 37... Re5 38.Qh4! gxf6 39.g6! fxg6 40.Qxf6+ Kg8 41.Rf3 Re8 (Be7 42.Qf7+ Kh8 43.Qe8+ Kg7 44.Rf7+ Kh6 45.Qg8 c2 46.Qxh7+ Kg5 47.Nf3#) 42.Ne6! Bxe6 43.dxe6 c2 44.Qf7+! Rxf7 45.exf7+ Kg7 46.fxe8=Q is winning.

B.1 37... h6 38.Qxh6+!! gxh6 39.gxh6 Bxh3+ 40.Kxh3 and the threat of Rg8# can't be met (40... Bg7 41.hxg7#)

Time for review...

Jun-28-15
Premium Chessgames Member
  CHESSTTCAMPS: Following is a link to the puzzle position:

http://www.chessvideos.tv/endgame-t...

See if you can beat Crafty's defense. Good luck!

Sep-19-16
Premium Chessgames Member
  plang: After a draw in game 1 this win clinched the match for Anand in the second round of the World Championship tournament; Anand went on to win the championship. Normally Black plays 14..g6 covering f5; Bologan's 14..c5 is unusual. While 28 Ra4 was a solid move Anand could have posed some difficult questions for Black with 28 Ba4 as 28..Re7 29 Nf5 is strong for White and after 28..Rd8 29 Bc6 the pawn cannot be recaptured.

A very imaginative attack by Anand; voted the 5th best game in Informant 80.

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