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Eduardas Leovich Rozentalis vs Bjarke Barth Sahl
"Bjarking Up The Wrong Tree" (game of the day Feb-05-2008)
Copenhagen AS04 (1988)
Sicilian Defense: Nezhmetdinov-Rossolimo Attack (B30)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 2 OF 2 ·  Later Kibitzing>
Feb-05-08  DarthStapler: I love games like this
Feb-05-08  xrt999: black's bishop on c8 gives new meaning to the term "bad bishop"
Feb-05-08
Premium Chessgames Member
  Chessmensch: This was a rout. Black was a 2400 player?! I guess anyone can have a bad day. Credit is due to white, of course.
Feb-05-08
Premium Chessgames Member
  kevin86: Black moved the queen seven times in 21 moves. As a result,white's attack is lethal and black will be mated very quickly.
Feb-05-08  Riverbeast: WAX !!!!!!!!!!
Feb-05-08
Premium Chessgames Member
  Jimfromprovidence: 11...b5 instead of f5 would have given black greater flexibility. It would allow his white bishop to go to b7 as well as give him the capability to castle either side.


click for larger view

Feb-05-08  Riverbeast: <11...b5 instead of f5 would have given black greater flexibility. It would allow his white bishop to go to b7 as well as give him the capability to castle either side.>

11...b5 does look like an improvement.

In my head (from your diagram), I'm wondering about a pawn sacrifice:

12. b3 Qc7 13. c4 bxc4 14. bxc4 Qxc4 15. Qg4!

White threatens 16. Nxe6 and 17. Nf6+

If 15...h5 16. Qxg7 is possible.

Otherwise black has difficulty developing, meanwhile Bg5 and Rc1 are coming for white.

Does it look feasible?

Feb-05-08  Riverbeast: In that last line, black doesn't have to take the c pawn.

But after 12. b3 Qc7 13. c4 bxc4 14. bxc4 Nb6 15. Bf4

If 15...Nxc4 16. Rc1

There are obviously other possibilities I'm not looking at. But it looks like white is pushing his lead in development.

Feb-06-08
Premium Chessgames Member
  Jimfromprovidence: <Riverbeast> <12. b3 Qc7 13. c4 bxc4 14. bxc4 Qxc4 15. Qg4!>

I think in this continuation white should take the pawn with 14...Qxc4 then follow up 15 Qg4 with 15...Qd3.


click for larger view

Now if 16 Rd1 then 16...h5 looks OK for black.

Feb-06-08  Riverbeast: In that diagram, white can try
16. Nd6+ Bxd6 17. Qxg7
Feb-06-08
Premium Chessgames Member
  Jimfromprovidence: <Riverbeast> <In that diagram, white can try 16. Nd6+ Bxd6 17. Qxg7>. Black can respond 17...Bxe5, seeing 18 Qxe5 O-O.


click for larger view

Now, black's position looks better consolidated.

Feb-06-08  Riverbeast: Interesting.

In that position, how about 19. Bh6 f6 20. Qd6

If 20...Rf7 21. Nxe6!

If 20...Re8 21. Nxe6 dxe6 22. Qc6

or 20...Re8 21. Nxe6 Qg6 22. Qxd5

I'm just looking at this from your diagram, so let me know if I'm missing something.

Feb-06-08
Premium Chessgames Member
  Jimfromprovidence: <Riverbeast> <Interesting.

In that position, how about 19. Bh6 f6 20. Qd6.

If 20...Re8 21. Nxe6 dxe6 22. Qc6>

Ok. This is the position after 22 Qc6.


click for larger view

Black plays 22...Qg6, seeing 23 Qxa8 Qxh6


click for larger view

BTW... I think that white gains the upper hand by playing 22 Re3 rather than Qc6.

Feb-06-08  Riverbeast: <BTW... I think that white gains the upper hand by playing 22 Re3 rather than Qc6.>

Yes, that's what I missed: 22 Re3

Apr-07-19
Premium Chessgames Member
  al wazir: Black's moves weren't all forced. There were lots of alternatives.

For example, 14...Nc3, and if 15. Qd2, then 15...Bb4; 16...Kd8, and if 17. Bg5+, then 17...Nf6; 17...Re8, and if 18. Qxd5 then 18...Qxd5 19. Rxd5 Re1#, or if 18. Rxe5 then 18...Re1+.

White had to have calculated all those lines before playing 14. Nxf5.

Or else he was lucky.

Apr-07-19  Walter Glattke: 14.Nxf5 exf5 , if 14.-g6!? then breakdown with 15.Nfd6+ Ke7!? 16.Bg5+, if 17.-Nc3!? then 18.Re7+ Kg6 19.Qd4 Rg8 20.Bd2 Ne2+ 21.Rxe2 Qb6, seems better than 17.-Qc3. Finish: 22.-Rg8 23.Bxg7 Rxg7? 24.Rh6# 23.-Qxf5 24.Qxf5+ Kxg7 25.Re1 b5 26.Re7+ Kh6 27.Rh7# (25.-Rh8 26.Re7+ Kh6 27.Qg5#) Think for 17.-Nc3!?
Apr-07-19  Walter Glattke: 14.-Nc3!? - I think for 15.Nxg7+ Bxg7 16.Qh5+ Ke7 17.Bg5+ or 15.-Kf7 16.Qf3+ Kxg7 17.Qf6+ Kg8 18.Ng5
Apr-07-19
Premium Chessgames Member
  ChessHigherCat: This line is supposedly winning (+2.87) but it's much too long so I must be bjarking up the wrong tree:

13. Nf6+ gxf6 14. Qh5+ Ke7 15. c3 Nxc3 16. exf6+ Kd8 17. Nxe6+ dxe6 18. a3 Qb6 19. Bf4 Nd5 20. Rad1 Bd6 21. Rxd5 exd5 22. f7 Bxf4 23. Re8+ Kc7 24. Rxh8 Qe6 25. Re8 Qc6 26. g3 Bd6 27. Qxh7 Bd7 28. Rxa8 Qc5 29. Qg7 d4 30. f8=Q Qc1+ 31. Kg2 Qc6+ 32. Kh3 Bxf8 33. Rxf8 Qd6 34. Rf6 Qd5

Apr-07-19
Premium Chessgames Member
  ChessHigherCat: Leovich found a much better lion than mion
Apr-07-19  Walter Glattke: Zugzwang for gardez in widing out check was not so good, here with 14.-Nc3 and 15.Nxg7+, but another chess org beside to FIDE could bring a three-point-rule, so as in "sudden death" in ice hockey, where stalemate is 2:1 points for the attacker, and maybe 2:1 points by refusing Zugzwang in a KNB:K or KR:KB situation. Getting 2:1 points then for KNN:K or KB:K KN:K that is another question then to follow that.
Apr-07-19
Premium Chessgames Member
  patzer2: If there had been a TV color commentator describing this game after today's Sunday puzzle solution 14. Nxf5! exf5 15. Nd6+ Bxd6 16. exd6+ Kf7 17. 17. Re5 +- was played, I imagine the comment might have been something like this:

"Before White can finish his attack on Black's weak King position, it's necessary for him to interrupt the attack and take a break to win back material with a pin on the Knight. Now before White finishes off winning the pinned Knight and continuing his attack on Sahl's King, we too must take a short break for this commercial."

Sort of reminds me of how CBS interrupted the final free throw that won the Virginia versus Auburn NCAA Division IA semifinal Basketball tournament game yesterday. For those who missed the game, Auburn was leading Virginia 62 to 60. A Virginia player attempted and missed a three point shot with 1.5 seconds left in the game.

The Auburn bench and fans were starting to celebrate a win, but were shocked to find out the referees had made a call for a foul by the Auburn defender. The Virginia player sunk two of his first three free throws. But just before he could take the third free throw, CBS took a long commercial break. The Virginia player made the third shot, and with only 0.6 seconds left on the clock Auburn's final scoring attempt failed, leaving Virginia the 63 to 62 winner.

Apr-07-19
Premium Chessgames Member
  whiteshark:


click for larger view

Black to move

1) +6.67 (28 ply) 15...Kd8 16.b4 Qb6 17.Qxd5 Kc7 18.Nf7 Qe6 19.Qxe6 dxe6 20.Nxh8 Bd7 21.Nf7 Be7 22.Be3 Rf8 23.Nd6 f4 24.Bd4 Rg8 25.Rad1 Bc6 26.Nc4 Bb5 27.Nb6 Rd8 28.Bc5 Rxd1 29.Rxd1 Bxc5 30.bxc5 Kc6 31.g3 Kxc5 32.Nd7+ Bxd7 33.Rxd7 h5 34.Kf1

2) +8.37 (28 ply) 15...Bxd6 16.exd6+ Qxe1+ 17.Qxe1+ Kf7 18.Qe5 Nf6 19.Bg5 Re8 20.Qxf5 Re6 21.Bxf6 g6 22.Qg5 Rxf6 23.Re1 Re6 24.Qf4+ Kg8 25.Rxe6 dxe6 26.Qf6 Bd7 27.Qe7 Bc6 28.Qxe6+ Kg7 29.d7 Bxd7 30.Qxd7+ Kh6 31.Qxb7 Rd8 32.g3 Rd2 33.Qc7 Rd5 34.Qc6 Rd1+ 35.Kg2 a5

3) +15.14 (27 ply) 15...Ke7 16.b4 Qb5 17.c4 Qxc4 18.Nxc4 Nc3 19.Qb3 Ne4 20.Nd6 Kd8 21.Nf7+ Kc7 22.Nxh8 d5 23.f3 Be6 24.fxe4 fxe4 25.Qc3+ Kd7 26.Bg5 h6 27.Bd2 Rc8 28.Qd4 Kc7 29.Ng6 Kb8 30.Nxf8 Rxf8

6.0 minute analysis by Stockfish 9 v010218

Apr-07-19  Captain Hindsight: Much cooler would have been < 17. b4 !!! > announcing a mate in 15 moves.
Apr-07-19
Premium Chessgames Member
  agb2002: White has a bishop and knight for the bishop pair.

Black threatens fxe4.

The rook on e1 x-rays the black king. This suggests 14.Nxf5 exf5 15.Nd6+:

A) 15... Bxd6+ 16.exd6+

A.1) 16... Kd8 17.Bg5+ Nf6 18.Qe2 wins (18... Re8 19.Qxe8#; 18... Qxe1+ 19.Rxe1).

A.2) 16... Kf8 17.Qe2

A.2.a) 17... g6 18.Qe8+ Kg7 19.Bb2+ Nc3 (19... Nf6 20.Bxf6+ Kh6 -20... Kxf6 21.Qe7#- 21.Qxh8 wins; 19... Kh6 20.Qxh8 + - [R+P vs n]) 20.Re7+ followed by 21.Qxh8 + - [R+P vs n].

A.2.b) 17... g5 18.Qe8+ as above.

A.2.c) 17... Kf7 18.Qe5 (pins the knight and Black's g-pawn and threatens Bb2 and Qxf5+)

A.2.c.i) 18... Qc3 19.Qxd5+ looks winning.

A.2.c.ii) 18... Rg8 19.Qxf5+ Nf6 20.Qxa5 wins.

A.2.c.iii) 18... Kg6 19.Bb2 Rg8 20.c4 recovers the piece with an overwhelming position.

A.2.c.iv) 18... g6 19.Bb2 (19.Qxh8 Qxe1#) 19... Rg8 20.c4 as above.

A.2.d) 17... Nf6 18.Qe7+ Kg8 19.Bh6 gxh6 (19... Nh5 20.Qe8#) 20.Qxf6 and mate soon.

A.3) 16... Kf7 17.Re5 Re8 18.Rxe8 Kxe8 19.Bg5 and Black is virtually playing a rook down. For example, 19.... Qc5 20.Qh5+ g6 21.Qxh7 Qxd6 22.Qg8+ Qf8 23.Re1+ wins.

B) 15... Ke7 16.b4

B.1) 16... Nc3 17.Qd3 with the triple threat bxa5, Qxc3 and Qxf5 looks very good for White. For example, 17... Qc7 18.Qxf5 h6 (due to Bg5#) 19.Qf7+ Kd8 20.Qe8#.

B.2) 16... Nxb4 17.axb4

B.2.a) 17... Qxa1 18.Bg5+ Ke6 19.Qxa1 wins decisive material.

B.2.b) 17... Qxb4 18.Ba3 followed by Nxc8+ wins decisive material.

B.2.c) 17... Qc7 18.Qd5 wins.

C) 15... Kd8 16.Nf7+ Ke8 17.Nxh8 recovers material with the better position and keeping the attack.

Apr-07-19  RandomVisitor: The position after 11...f5


click for larger view

White plays b3 and a3 toying with the black queen before playing Nxf5. Nice. But was there an easier move?

What about 12.exf6 Nxf6 13.Nxf6+ gxf6 14.Qh5+ Kd8 15.Qf7!


click for larger view

Note that Qxd4 is met by Be3! and there is a mate threat with Bb6 that cannot be ignored. Black must abandon defense of the f6 pawn, allowing white to eventually play Qxf6+ and on to win.

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