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Lazaro Bruzon Batista vs Leinier Dominguez Perez
Capablanca Memorial (Elite) (2004), Havana CUB, rd 6, May-12
Sicilian Defense: Najdorf Variation (B90)  ·  1-0

ANALYSIS [x]

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Kibitzer's Corner
< Earlier Kibitzing  · PAGE 3 OF 3 ·  Later Kibitzing>
Apr-05-06  Zplane: On move 33 why doesn't white take the d6 pawn with either rook? Two passed pawns on c and b would have to be an easy win.
Apr-05-06  Fezzik: Nice enticement sac! Or is it a deflection sac?!
Apr-05-06  jperr75108: Good puzzle. Another one solved in school. hehe.
Apr-05-06  Mendrys: Drats! I figured that 72...QxQ 73. b7xQ=Q+ KxQ white had a won endgame. I was too lazy to calculate any further. Wrong, wrong wrong....
Apr-05-06  Halldor: Beautiful finish! Got this because of yesterday's puzzle. Great to have a row of thematic puzzles, thanks to <chessgames.com>.
Apr-05-06  dakgootje: <Nice enticement sac! Or is it a deflection sac?!> Think its a deflection sac then, as ive never heard of the first term before i think, even though i often read patzer2's comments ;-)
Apr-05-06
Premium Chessgames Member
  OBIT: 68...Kh7 69. Qg8+ Kh6 70. Bf7! also wins. This looks like a tough endgame to draw, despite the bishops of opposite color.
Apr-05-06  Jim Bartle: If there's no such thing as an enticement sac, there should be!
Apr-05-06  thschess: Are these puzzles getting easier, or am I getting more alert?
Apr-05-06  dakgootje: <thschess> OF course your getting better ;-)

Nah okay it seems we have a pretty easy week this week i think

Apr-05-06  SickedChess: got it in 3 seconds!
Apr-05-06  YouRang: Ouch, I missed it. I KNEW it had to be a promotion tactic, and I even glanced at Qc8. But for some reason I didn't follow it through.

I think that's one of my biggest problems, I neglect to look for tactics beyond what *appears* at first glance to be a losing move. :-(

Apr-05-06  iamverywellatchess: The white guard plays very good here! The puzzele should begin on move 55 to make it fun and challenging to us well players!
Apr-05-06
Premium Chessgames Member
  kevin86: Please don't tell! I missed this one:(

Alex above has it right: If 72 ♗e6+ ♔xe6 73 ♕c8+ ♕d7 74 b8=♕ ♗xb8 75 ♕xb8 and a win is iffy,at best

Apr-05-06  MiCrooks: For another variation, on Be6+ Black can just ignore the Bishop and escape to c6 as Qc8 Kb6 and White is not making any progress. Not much point in arguing alternatives when the immediate Qc8+ simply wins the Queen.
Apr-05-06  Ezzy: Lazaro Bruzon (2602) - Leinier Dominguez (2612) [B90] 11.05.2004
1.e4 c5 2.Nf3 d6 3.d4 cxd4 4.Nxd4 Nf6 5.Nc3 a6 6.a4 e5 7.Nf3 h6 8.Bc4 Be7 9.00 Be6 10.Qe2N <Chandler v Hulak 1982 went 10 Bxe6> 10...Qc7 11.Bb3 00 12.Rd1 Re8 13.Be3 Nbd7 14.Nh4 Rac8 15.Nf5 Bf8 16.f3 Kh7 17.Bf2 <Simply clearing the e3 square for his knight>. 17...g6 18.Ne3 Nb6 19.a5 Nc4 <Attacking the a5 pawn, but it can be defended by the rook on d1>. 20.Ncd5 Nxd5 21.Nxd5 Bxd5 22.Rxd5 Red8 23.c3< Because the black knight is trapped on c4, a good line of play for white would be [23.Kf1 Bg7 24.Ra4 b5 25.axb6 Nxb6 26.Bxb6 Qxb6 27.Rxa6 winning a pawn and a strong initiative.> 23...Kg7 24.Kh1 Be7 25.h3 h5 26.h4 <The 26 Ra4 idea still looks pretty good, but Bruzon has seen a similar way to win the a6 pawn!> 26...Bf6 Black has nothing to do. 27.g3 Be7 28.Kg2 Bf6 29.Bd1 <Now threatening to win the knight with 30 b3.> 29...b5 30.axb6 Nxb6 31.Bxb6 Qxb6 32.Rxa6 Qb7 33.Raa5 Ra8 34.Rab5 Qc7 35.Bb3 Rab8 36.Rxb8 Rxb8 37.Rb5 Rxb5 38.Qxb5 Bd8 39.Qd5 Qe7 40.Kf2 Bb6+ 41.Ke2 Bg1 42.Bc4 <Bruzon is not bothered about losing a kingside pawn when he can push his own passed b pawn> 42...Bh2 43.g4 Bg3 44.gxh5 gxh5 45.b4 Bxh4 46.b5 Qd7 47.b6 Bd8 48.b7 Bc7 49.Qd2 Qd8 50.Kd3! <A nice subtle move threatening 51 Qg2+ and the white queen infiltrates blacks position.> 50...Bb8 51.Qg2+ Kf8 52.Qh3 h4 53.Qc8 Ke7 54.Bxf7 Qc7 55.Qe6+ Kf8 56.Qe8+ Kg7 57.Qg8+ Kf6 58.Bd5 <58.Bh5 Threatening a mate 3 was more fun. 59 Qg6+ Ke7 60 Qf7+ Kd8 61 Qe8 mate.> 58...Ba7 59.Qf8+ Kg6 60.Qf5+ Kg7 61.Qg4+ Kh6 62.Qxh4+ Kg6 63.Qg4+ Kf6 64.Qe6+ Kg7 65.Qg8+ Kf6 66.Qf8+ Kg6 67.Qf5+ Kg7 68.Qg5+ Kf8 69.Qg8+ Ke7 70.Qf7+ Kd8 71.Qf8+ Kd7 72.Qc8+ 10

Great game by Bruzon. He completely restricted his compatriot Dominguez to the point that he had no plan, or even worse no moves. A totally dominant performance!!

I had a blind spot and missed the winning 73 Be6!. I tried exchanging queens by 72 Qf7+ and trying to win the endgame, but to no avail.

<YouRang> has took the words right out of my mouth. That is exactly what I did. :-(

Apr-05-06
Premium Chessgames Member
  OBIT: These opposite color bishops endings can be tough to judge. A pawn advantage is often worthless. Even a two-pawn advantage can be meaningless. And then you'll see games like this one, where an advanced pawn is a monster.

My guess is, this game was won for White when the pawn got to b7. White can either force the position that occurs in the game or set up a mating net. Two examples of the latter, taken from the game:

If 67...Kh6 68. Qf6+ Kh7 69. Bf7!

If 68...Kh7 69. Qg8+ Kh6 70. Bf7!

So, where did Black make his mistake? I think you have to go back before move 46. I looked at 46...Qc7, attempting to prevent b6, but White plays 47. b6! anyway; then if 47...Qxb6 48. Qxf7+ Kh6 49. Qf8+ appears to either set up another mating net or a skewer check to win the bishop. Based on all this, my guess is Black lost the game when he misplaced his bishop going after a meaningless pawn. Maybe it wasn't too late for 45...Bh2!?

Apr-05-06  HannibalSchlecter: <zplane> that's a good question. I don't see anything wrong with your idea.
Apr-05-06  Cogano: Hello <dakgootje> & I hope all is well. :) You make a good point. But, the reason I removed my question is that <durnstein> discussed a line a few posts before my question & that line happened to be the answer to my question. So I thought it pointless to leave a question that was asking basically for a line that was already posted! Thanks much for your kind words & for taking the time to point that out. :) Take very good care & have a great day. :) Cheers mate! :)
Apr-05-06  aazqua: Farily straight forward puzzle, but a nice combination that is definitely worth remembering.
Apr-05-06  backyard pawn: Once I saw the opposite colored bishops and realized that the pawn couldn't be queened at b8, I started looking at Qc8 with Be6 to follow. I'll use the time I saved on this puzzle on Thursday's puzzle 'cause I'm sure to need it. ; )
Apr-05-06  Topzilla: Why Lenier didnt resign at least 20 moves earlier???
Apr-06-06  Stelling: Actually Lazaro should have played 61. Qg5+ instead of 61. Qg4. The best line for black ends with the game combination:

61. Qg5+ Kf8
62. Qg8+ Ke7
63. Qf7+ Kd8
64. Qf8+ Kd7
65. Qc8+ Qxc8
66. Be6+ winning

If 61. ... Kh7 (61. ... Kh8??? 62. Qg8#) then
62. Bg8+ Kh8
63. Be6 Qg7
(63. ... Kh7 64. Bf5+ Kh8 65. Qh6+ Kg8 66. Be6+)
64. Qd8+ Kh7
65. Bf5+ winning

Apr-28-06
Premium Chessgames Member
  patzer2: White's game winning decoy 72. Qc8+! forces 72...Qxc8 and allows the neat follow-up skewer and decoy combined move 73. Be6+!, which removes the guard and easily wins the game after 73...Kxe6 74. bxc8=Q+
Aug-03-06  ronaldducalang: 72. ... Qxc8 73.Be6+ (74.Kxe6 bxc8=Q)
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