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Larry Mark Christiansen vs Ernst-Wolfgang Bayer
"A Real Headache" (game of the day Aug-25-2007)
Cologne (Germany) (1988)
Queen's Gambit Declined: Exchange. Positional Variation (D35)  ·  1-0
ANALYSIS [x]

FEN COPIED

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Given 13 times; par: 58 [what's this?]

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Kibitzer's Corner
Aug-25-07  syracrophy: It may looks amazing, but the king is hopelessly dead. The threat now is 39.♕g8+ and 40.♕f7#. And the unique defensive possibility is 38...♖d7 <Giving a free square on d8 for the king> 39.f6! is more than enough to close the mating net
Aug-25-07
Premium Chessgames Member
  al wazir: Are you sure about that? After 38...Qb6+ 39. Kh1 Qb5, 40. f6 doesn't look so strong. If instead 39. Rf2, then 39...e3 40. Qg8+ Ke7 41. Qf7+ Kd6, etc. Black can stop f6 by playing ...Rxd5 too.

I would have played on a few more moves.

Aug-25-07  Avarus: " <al wazir>: Are you sure about that? After 38...Qb6+ 39. Kh1 Qb5, 40. f6 doesn't look so strong. "

40.Qf6# dismisses 39...Qb5. If instead 39...Rxd5, I would imagine white is happy with 40.Qg8+ Ke7 41.Qf7+ Kd6 42.Qxe8 with continuing attack

Aug-25-07  gilbertblondy: <al wazir: Are you sure about that? After 38...Qb6+ 39. Kh1 Qb5, 40. f6 doesn't look so strong. If instead 39. Rf2, then 39...e3 40. Qg8+ Ke7 41. Qf7+ Kd6, etc. Black can stop f6 by playing ...Rxd5 too.>

38...♕b6+ 39.♔h1! ♕b5?? 40.♕f6 #
39...♕a6 40.♖c1 ♕h6 is the only move to avoid the mat but cost the ♕

Aug-25-07
Premium Chessgames Member
  RandomVisitor: The final position:
1: Larry Christiansen - Ernst Wolfgang Bayer, Cologne (Germany) 1988


click for larger view

Analysis by Rybka 2.3.2a mp up:

38...Rd7 39.f6 Qc5+ 40.Kh1 Qxd5 41.Nf5 Qf7 42.h4 e3 43.Nh6 Qd5 44.Rf5 Qd1+ 45.Kh2 = <(0.00) Depth: 29> 07:29:40 4064810kN, tb=470

Aug-25-07
Premium Chessgames Member
  RandomVisitor: 38...Rd7 39.f6 <Qxd5> also works for a draw.
Aug-25-07
Premium Chessgames Member
  RandomVisitor: Interesting would have been 35...hxg4 where black can grab the piece and survive.

1: Larry Christiansen - Ernst Wolfgang Bayer, Cologne (Germany) 1988


click for larger view

Analysis by Rybka 2.3.2a mp up:

(17-ply)
1. (-1.46): 36.Qxg5+ Kf8 37.Rxg4 Qxd5 38.Qh6+ Ke7 39.Qe3 Kd6 40.Qxa7 Qc5+ 41.Qxc5+ Kxc5 42.Rg7 f6

2. (-1.77): 36.Rxg4 f6 37.Rxg5+ Kf7 38.Rh5 Qb6 39.Qxb6 axb6 40.Rc1 Ke7 41.Rd1 Rh8 42.Rxh8 Rxh8

3. (-2.27): 36.h4 Kf8 37.Rxg4 Qb6 38.Qxb6 axb6 39.Rxg5 Rxd5 40.Rh5 Bd7 41.g4 Rd3 42.g5 e3

Aug-25-07  rookattack: can someone tell me if 23.Ne5 is a better move?
Aug-25-07
Premium Chessgames Member
  kevin86: White has great persistance in his attack and that's why it succeeded. In the end,white is a rook down,but his pieces are active-while black's defenders are just a mass of overpriced window dressing.
Aug-25-07  newton296: i would have made larry prove the win to me here. Looks like the computer post prove black should play on.

no one ever won by resigning!

Aug-25-07  CapablancaFan: Wow, Larry Christiansen played with great energy the entire game that just never let up. I mean it just seems that black never had a moments rest. Eventually it seems that black could'nt keep up and his defence finally fell apart.
Aug-25-07
Premium Chessgames Member
  RandomVisitor: <rookattack><can someone tell me if 23.Ne5 is a better move?>23.Ne5 Ng5 24.Nh4 and a) Nh5 25.Qf2; b)24...cxd4 25.exd4 Qb4 - hard to tell if this is any better.
Aug-25-07
Premium Chessgames Member
  RandomVisitor: White could have obtained a nice position with 30.f5 g5 31.Qe1: 1: Larry Christiansen - Ernst Wolfgang Bayer, Cologne (Germany) 1988


click for larger view

Analysis by Rybka 2.3.2a mp up:
(21-ply)
1. (0.95): 31...Bd7 32.Bd3 Bc6 33.h4 g4 34.b4 Ba4 35.b5 a6 36.bxa6 bxa6 37.Qa5 Bb5 38.Bxb5

2. (1.08): 31...Qg7 32.Qa5 a6 33.Rc3 Qf8 34.h4 gxh4 35.Rf4 Qg7 36.Rxh4 Qg5 37.Rhh3 h5 38.Qc7

Aug-25-07  Dr. J: <RandomVisitor: Analysis by Rybka 2.3.2a mp up: (17-ply) 1. (-1.46): 35 ... hxg4 36.Qxg5+ Kf8 37.Rxg4 Qxd5 38.Qh6+ Ke7 39.Qe3 Kd6 40.Qxa7 Qc5+ 41.Qxc5+ Kxc5 42.Rg7 f6>

I had thought that 35 ... hxg4 was refuted by 36.Qxg5+ Kf8 37.f6 Rxe5 38.Qg7+ Ke8 39. Qg8+ Kd7 40.Qxf7+ winning a Rook. But obviously Rybka disagrees. What did I miss?

Aug-25-07  Andrew Chapman: <I had thought that 35 ... hxg4 was refuted by 36.Qxg5+ Kf8 37.f6 Rxe5 38.Qg7+ Ke8 39. Qg8+ Kd7 40.Qxf7+ winning a Rook. But obviously Rybka disagrees. What did I miss?> Maybe that Black can throw a check in with his queen, vacating d6?
Aug-25-07
Premium Chessgames Member
  RandomVisitor: <Dr.J>Nice analysis. But in that line, Rybka would play 39...Qf8, which is the only move that works for Black.

Position after 39.Qg8+


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