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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, Aug-22
Slav Defense: Soultanbeieff Variation (D16)  ·  1-0


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sac: 17.Nc4 PGN: download | view | print Help: general | java-troubleshooting

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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  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.
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.)

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


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  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  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

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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