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Viacheslav Osnos vs Georgy Ivanovich Ustinov
"Ustinov Time to Mate" (game of the day Aug-28-2009)
URS-ch sf (1960), Vilnius, rd 2
Slav Defense: Soultanbeieff Variation (D16)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Kibitzer's Corner
May-03-08  Sem: White's 17th move is beautiful.
Aug-28-09  kellmano: I prefer black's 14th.
Aug-28-09  chessenthus: 11.Ba3 was the awesome move but 17.Nc4 was even better!
Aug-28-09  Babar47: Yeah Nc4 is the real killer.

Maybe 17 ... Kf7 for black?

Aug-28-09  Gouvaneur: 17...Kf7 18.Nd6+ Kg8 19.Rxe6 with the threat 20.Re8+ looks deadly, either the queen or the king.
Aug-28-09  ounos: I would love to see some Rybka analysis for this.
Aug-28-09
Premium Chessgames Member
  RandomVisitor: 14...Nf8 15.Re3 Ng6 =.

15...f6 was losing, perhaps:

15...Nc6 16.Nxc6 bxc6 17.Qg3 with small advantage.

Aug-28-09  psmith: <RandomVisitor>: Sorry but the analysis "14...Nf8 15.Re3 Ng6 =" is singularly unhelpful. The evaluation "=" is simply bizarre. It is extremely likely that one side or the other is winning. In any case further analysis is warranted.
Aug-28-09  psmith: And I think "15...Nc6 16.Nxc6 bxc6 17.Qg3 with small advantage" is mystifying. Why is there an advantage and why is it "small"? I don't think these computer analyses help us to understand the game in this case.
Aug-28-09
Premium Chessgames Member
  whiteshark: The position after <15...Nc6 16.Nxc6 bxc6 17.Qg3> would have been quite interesting.


click for larger view

Thematically it belongs to Game Collection: 50_-> Middlegames with opposite-coloured Bitches It's quite complicated to evaluate them properly... (The black pawn chain is sound and it is not that obvious how white should activate his rooks successfully.)

Aug-28-09
Premium Chessgames Member
  kevin86: What a rout! Black had no chance from the start
Aug-28-09
Premium Chessgames Member
  Sularus: I take it the pun refers to this dude:

http://famous-relationships.topsyne...

Aug-28-09  DeepFriedLiver: "Just enough time to mate"
Aug-28-09  psmith: Frankly, I am pretty convinced that White is winning after 14...Nf8 15.Re3 Ng6 16. Rfe1. I would like to see Black's defense, anyway. This is after too much time playing around with Old (free) Fritz (5.32).
Aug-28-09  WhiteRook48: 22 Qf7 threatens mate twice: 23 Qxg7# and 24 Qh5#
Aug-28-09
Premium Chessgames Member
  RandomVisitor: After 14...Nf8 there is

15.Rc1 f6 16.Rc3 b6 17.Re1 Ba6 18.Rce3 Bc4 19.Qc2 Kf7 20.Nh4 g5 21.Nf3 Qd7 22.h4 h6 23.h5 Re8 24.Nd2 = (0.11) Depth: 20 00:24:17 113183kN

Aug-29-09
Premium Chessgames Member
  RandomVisitor: Add to the above:

1. = (0.22): 15.Nd2 b6 16.f4 Ba6 17.Rf2 g6 18.f5 gxf5 19.Rxf5 Rg8 20.g3 Rg5 21.Rxg5 Qxg5 22.Nf3 Qf6 23.Qxd5

2. = (0.15): 15.Re3 Ng6 16.Rc1 b6 17.Qb5+ Qd7 18.Qe2 Nf4 19.Qd1 f6 20.g3 Ng6 21.Rec3 Qd8 22.Qe2 Bd7 23.Qa6 Ne7 24.Rc7 g5 25.Qb7 Rc8

Aug-29-09
Premium Chessgames Member
  whiteshark: <RandomVisitor: After 14...Nf8 there is 15.Rc1 f6 16.Rc3 b6 17.Re1 Ba6 18.Rce3 Bc4 19.Qc2 Kf7 20.Nh4 g5 21.Nf3 Qd7 22.h4 h6 23.h5 Re8 24.Nd2 = (0.11) Depth: 20 00:24:17 113183kN>

In your line there is <20.Ng5+!> to take into account.


click for larger view

<20...fxg5 21.Rf3+>

with either <21...Qf6 22.Rxf6+> (or 22.Qd2) <gxf6> or <21...Ke8 22.Qf5 Qf6 23.Qh3>.

Maybe 18...Bc8 or 18...Rc8 are better playable (safer) continuations.

Aug-29-09  David2009: 16 ...Nc6 giving both pawns back is much safer e.g. 17 Nxc6 bxc6 18 Qxc6+ Bd7 19 Qxd5 Kf7. Material is now level: White has more space but Black is over the worst:


click for larger view

We should be grateful that Black chose the more enterprising and entertaining 16 ...Nd7: otherwise the game would no doubt be forgotten.

Aug-30-09  psmith: <David2009> After 16...Nc6 17 Nxc6 bxc6 18 Qxc6+ Bd7 White has better: 19. Qd6! with great advantage. White threatens 20. Rxe6+. If Black plays 19...Kf7, White replies 20. Rb1 threatening 21. Rb7. Then, for example: 20...Re8 21. Rb7 Re7 22. Rc1 Qe8 23. Rcc7 Rd8 24. Rxa7 winning.
Aug-30-09  psmith: Postion in above line after 19. Qd6!:


click for larger view

After 24. Rxa7:


click for larger view

Aug-30-09  psmith: Above analysis aided by Fritz 5.32.
Aug-30-09  David2009: <psmith>: very impressive and conclusive analysis, thanks!
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