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Alexander Motylev vs Boris Savchenko
World Cup (2007), Khanty-Mansiysk RUS, rd 1, Nov-24
Sicilian Defense: Dragon Variation. Yugoslav Attack Main Line (B77)  ·  1-0

ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
Nov-26-07  whiteshark: A nice tactical <firework> of pinning/unpinning and attacking/defending from <29.Rxf5> onwards.
Nov-27-07  patzer2: Nice pinning tactics indeed! The initial decisive pin is set with 28. Rg1!, but appears to be prepared earlier with 24. a3! in response to 23...f5?!

Black might have missed his last best chance to hold with 23...fxe5 24. Bxe5 Bxe5 25. fxe5 Rf8 . After 23...f5?! 24. a3!, Black's position becomes difficult and may be lost.

The followups to the initial 28. Rg1! pin, as <Whiteshark> observes, are an amazing series of pins, pin breaks and counterpins that White seems to have accurately and deeply calaculated. The followup 29. Rxf5!! is particularly startling, even though the quiet 29. Ka1 also seems to win with easier tactics.

After the exchange 29...Qh7!? 30. Rgxg7 Rg7, White breaks the Black counter pin with the simple 31. Ka2! (perhaps even better is the surprisingly strong 31. Rg6!! ) in order to set a followup winning pin with 31...exf5 32. e6!

Here, just as it appears Black has broken the second pin with minimal damange following 32...Nxe6 33. h6 Qxh6, White plays the winning double attack 34. Qh4!! (threatening to win with either 35. QxR or 35. h6). No good for Black is 34...Rd6 35. Qe7! Qh6 36. Bxg7+ .

So Black concedes the loss of the Knight with 34...Rd7 35. h6! Kg8, expecting 36. Bxg7 with a difficult win on material, only to have White pull off the final and decisive pin 36. Qg5!! for a mating attack.

Nov-27-07  patzer2: Here's a difficult puzzle possibility:


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White to move (25?) after 24...h7-h5.

Dec-05-07
Premium Chessgames Member
  Richard Taylor: Great game!!
Dec-06-07  aazqua: Bam! I got f5 OTB as I was playing through this. Really nice job by white.
Mar-07-20  Walter Glattke: White has a bishop and a pawn for a rook, the bishop threatens mate or material win, therefore 32.Rxf5 Ne6 33.Nxd5, but Nxd4 wins for black. Hence 32.e6! Nxe6 33.Rxg7 Nxg7 34.Qh4 threatens QxR. 34.-Rd7 (Re8!?) 35.h6 Kg8 36.Bxg7 (Qf6 Nh5!) Rxg7 37.Qd8+ Kf7 38.hxg7 and queen's change wins for white. Black has rook options after 34.Qh4.
Mar-07-20  erdogankilic: 32.Rxg7 Qxg7
33.e6
not enough to win?
or 32..Qh6
33.Rxc7
Mar-07-20  agb2002: White has a bishop and a pawn for a rook.

Black threatens Rxg5 and Ne6 (Rxf5 Nxd4).

White has Rxf5, Rxg7 and e6.

After 32.Rxf5 Ne6 Black seems to hold.

After 32.Rxg7 Kxg7 (32... Qxg7 33.e6 wins) 33.e6+ Kf8 White's attack is vanishing.

After 32.e6 Nxe6 33.Bxg7+ Nxg7 34.Qd4 White has recovered the material and threatens to win the d-pawn and also has chances along the a1-h8 diagonal due to the pin.

I'd play 32.e6.

Mar-07-20  agb2002: The text 33.Rxg7 Nxg7 34.Qh4, forking d8 and h6, is more direct than 33.Bxg7+.
Mar-07-20
Premium Chessgames Member
  Diademas: After an abysmal week, I actually get it on a Saturday.
I sense a disturbance in the Force.
Mar-07-20  poachedeggs: After 36.Qg5, Fritz elects to relieve the pin with 36..Kf8 rather than the text 36..f6, pushing the f pawn. If we liquidate, the f pawn is problematic.

Thoughts?

Mar-07-20  poachedeggs: Text is 36..f4
Mar-07-20
Premium Chessgames Member
  chrisowen: This is a perfect record?
Mar-07-20
Premium Chessgames Member
  Fusilli: I [sort of] got it! Well, roughly. Up to 35.h6 and there I stopped calculating and declared white winning ;) Proud of myself anyway... I hadn't tried a difficult puzzle in a long time.
Mar-07-20  messachess: Nice combination, but pretty obvious after the first move.
Mar-07-20  RandomVisitor: 33.Rxg7 or 33.Bxg7? Stockfish removes all doubt:


click for larger view

Stockfish_20030407_x64_modern:

86/60 6:24:10 <+M30 33.Bxg7+> Nxg7 34.Qd4 Rd6 35.Nxd5 a5 36.Qe5 Re6 37.Qc3 Qh6 38.Rxf5 Kg8 39.Nf6+ Kf7 40.Qc7+ Re7 41.Ng4+ Nxf5 42.Nxh6+ Nxh6 43.Qf4+ Kg8 44.Qxh6 Rg7 45.Qxb6 Kh7 46.Qxa5 Kg8 47.Qf5 Kh8 48.Qf8+ Kh7 49.Qxg7+ Kxg7 50.a4 Kh7 51.b4 Kh6 52.a5 Kxh5 53.a6 Kg5 54.b5 Kg6 55.a7 Kf5 56.b6 Kf6 57.a8Q Ke7 58.Qd5 Kf6 59.b7 Kg6 60.b8Q Kh6 61.Qf5 Kg7 62.Qbf8+

85/64 6:24:10 <+M32 33.Rxg7> Nxg7 34.Qh4 Rd6 35.Qe7 Qh6 36.Bxg7+ Qxg7 37.Qxd6 Qf7 38.Nxd5 Kg7 39.Qe5+ Kh6 40.Nf6 Kg7 41.Ne4+ Kg8 42.Nd6 Qxh5 43.Qf6 Kh7 44.Nxf5 Qg4 45.Qf7+ Kh8 46.Ne7 Qg7 47.Qh5+ Qh7 48.Qe5+ Qg7 49.Qb8+ Kh7 50.Qh2+ Qh6 51.Qc2+ Kh8 52.Qc8+ Kg7 53.Nf5+ Kh7 54.Qd7+ Kg6 55.Qe6+ Kg5 56.Nxh6 a5 57.Nf7+ Kf4 58.Nd6 a4 59.Qe4+ Kg5 60.Qf5+ Kh6 61.Qg4 Kh7 62.Nf5 axb3+ 63.Kxb3 b5 64.Qg7+

Mar-07-20  RandomVisitor: <poachedeggs>Interesting thought, Stockfish thinks that Kf8 is better than f4, but mate is inevitable


click for larger view

Stockfish_20030407_x64_modern:

55/29 02:17 2,407,478k 17,483k +M14 36. ... Rb7

55/33 02:17 2,407,478k 17,483k +M16 36. ... Rf7

55/37 02:17 2,407,478k <17,483k +M18 36. ... f4>

55/37 02:17 2,407,478k 17,483k +M18 36. ... Qh8

56/39 02:17 2,407,478k 17,483k +M19 36. ... Kf7

56/39 02:17 2,407,478k 17,483k +M19 36. ... Rd6

56/41 02:17 2,407,478k 17,483k <+M20 36. ... Kf8 >

56/43 02:17 2,407,478k 17,483k +M20 36. ... a6

56/43 02:17 2,407,478k 17,483k +M21 36. ... a5

56/53 02:17 2,407,478k 17,483k +M21 36. ... b5

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