David J Strauss vs Tibor Weinberger (1983)

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David J Strauss vs Tibor Weinberger
84th US Open (1983), Pasadena, CA USA, rd 5, Aug-11
Queen's Gambit Declined: Harrwitz Attack. Fianchetto Defense (D37) · 0-1

ANALYSIS [x]

FEN COPIED

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Aug-14-13		diagonalley: <once>: what a superb post... it has truly inspired my day... many thanks

Aug-14-13		morfishine: After 44....Bxe4 45.Qxe4 Qxh3+ 46.Kxh3 Ng5+ 47.Kg2 Nxe4 Black is up 2-pawns *****

Aug-14-13		dTal: Nice one <once>. Evocative of the longing ache and pull of my long lost childhood, and fallen loved ones gone forever.

Aug-14-13		cyclon: 44. -Bxe4 ( threatening 45. -Qg2X and at the SAME time removing the threat Nf6+ ) 45. Qxe4 Qxh3+ 46. Kg1 ( 46. Kxh3 Ng5+ and Black will have a theoretically winning endgame ) -46. -Qxb3 and now if, for example; 47. Qa8+ Nf8, White can't play 48. Bd6 on account of -48. -Qd1+ and 49. -Qxd6, neither 48. Qxa7 because of -48. -Qe3+ and 49. Qxd6. Also move like 47. Qh1 doesn't come into question because then -47. -Qd1+ 48. K- Qxh1+ with endgame realization to follow.

Aug-14-13		Nick46: I considered 44...Bxe4 but rejected it in favour of 44...f5. Oh well, there goes my hat-trick for this week.

Aug-14-13		FSR: I missed it entirely. I was looking at 44...f5 and 44...Nc5. The knight fork idea never entered my mind.

Aug-14-13		pericles of athens: missed it, that's a nice combination to win.

Aug-14-13		gars: Blind at start, blinder at the end.

Aug-14-13		JohnBoy: I'm with FSR - tried to make Nc5 work, as Ng5 failed miserably. Totally missed the fork. Nice puzzle. These two were local heros to all of the up-coming kids in SoCal in the 70s.

Aug-14-13		notyetagm: D J Strauss vs T Weinberger, 1983 <M.Hassan: ... Thanks to Chessmaster that told me Black's move of 45. <<<I did not see that Queen sac.>>>> I did. :-)

Aug-14-13		stanliano: Love ur post'ONCE'

Aug-14-13		SuperPatzer77: White resigns in lieu of (see diagram below:) click for larger view 51. Bc7 Nxb5, 52. Bxb6 a4, 53.Be3 (only move) a3, 54. Bc1 Kf7! (protecting the Black f-pawn), 55. Kf2 a2, 56. Bb2 Na3, 57. Ke2 Nc2, 58. Kd2 a1=Q, 59. Bxa1 Nxa1, 61. Kc3 f5!, 62. gxf5 gxf5 (See diagram below:) click for larger view White tries to trap the Black Knight but Black's last f-pawn threatens to go queening so, White is so hopeless. SuperPatzer77

Aug-14-13		chesssantosh: <morf> did you have a look at my line?

Aug-14-13		kevin86: The queen sac picks up a second pawn and insures a quick win 4 black.

Aug-14-13		chrisowen: Sale head again of mind effect each in game beds, 44...Bxe4 general one believe each in enough honour change at he door I be proof engage to us again eg, it is a pine cone elephant repeat back bed eg in family it is a jot hooking in ask etc duty ramble give spark off e4 first see be second key, h3? feel couple off better delve bishop believed to dig in effect ceeded ground ja oomph fan dangle aka, cart over horses 46.kxh3 ng5+ can racing choosed it now in baba lane fenced hastle in a good cage bishopb7 sugar dips in churlish care ore a mind you, giving finger e4 pack light knight fag end e4, hustle of course it is good game ado evermore yes, at foot the bill bishop going bad forge having, hoofed again good game fetch in got a fend walled, in big racked quenching core a cuffed queenh3 repeats on him gold for hanging feckless knighte4, dent each in delve queen offing to the fray see, angled dutifuls inch done muscle stern um steps up, free dipped gen aim bade white knight qualm he faith in ever be my guest edict eddy beds 44...Bxe4. 45.Qxe4 qxh3+ am hodge podge light king he be fare, game aim each am have queens coup page lacked? 46.Kg1 then engage 46...qxb3 and black has three, pawns having banked material should win as e6 safe, back to had chief reason dont give gamble 46.kxh3, then engage knight follow across 46.ng5+ king, across or down in g2 when great to see with any luck now ledge train of thought chain gang e5 escry over e4 and black has banked two pawns for gooofed, in d6 and g6 angle favour black knight fine display.

Aug-14-13		Alex56171: 44...Bxe4 45.Qxe4 46. Qxh3+ 47.Kxh3 48.Ng5 followed by 49.Nxe4. With two pawns ahead, Black should win this end game.

Aug-14-13		Alex56171: <chesssantosh: Does this line also win? 44...Bxe4 45.Qxe4 Qf2+ 46.Kh1 Kh7! Now the threat of Ng5 followed by Nf3 looks really strong and difficult to meet.> According to Fritz it is not stronger, because the White can play 46.Qg2

Aug-14-13		estrick: Loved your post, <Once>!

Aug-14-13		Shamot: wow <Once> !! great post! cannot even add any comments..... just enjoying the post. Thank you for becoming "regular" and contributing to the forum.

Aug-14-13		BOSTER: <Once> <In today's POTD , the answer is to fork the white king and queen with the knight landing on g5. But before that works...>. Black should find the winning move 43...Qf1 to lure bishop on e5 (Qf2 was better). If he didn't find it, you would not write your bright childish recollection. So I think you have to share your flame with Weinberger. How the saying goes : Morning-money, evening-chairs.

Aug-14-13		bachbeet: I thought of moving the knight to c5 to double attack white's knight and possibly open the diagonal for a mate at g2.

Aug-14-13		patcheck: Black is a pawn up. 44. ... Bxe4 45. Qxe4 (45. Qh6 46. Qg2# / 45. Kg3 Qg2+ 46. Kh4 g5+ 47.Kh5 Qf3 and white has to exhange queens and stay with a piece and two pawns down) 45. ... Qxh3+ with two posibilities : A) 46. Kxh3 Ng5+ followed by 47. Nxe4 and black is two pawns up. B) 45. Kg1!? which could be followed by 45. ... Qxb3 46. Qa8+ Nf8 (not 46. ... Kh7 47. Qh8#) and white is three pawns up and can prevent mate or lose its knight, for instance : 47. Bd6? Qd1+ followed by 48. ... Qxd6 / 47. Qxa7 Qe3+ followed by 48. ... Qxe5. Anyway, in all of this lines, although black has a big advantage, I am not absolutely sure if it is possible and how to convert it in a win.

Aug-14-13		morfishine: <chesssantosh> Yes, I was only able to get to it later today, As <Alex56171> mentioned, White can play 46.Qf2 FWIW: I only saw 45...Qxh3+ at the last second. Even a Wed POTD can be tricky at times :) *****

Aug-14-13		nalinw: I am glad to see that I was not the only person to miss it!

Aug-16-13		chesssantosh: Thanks <Alex> and <morf>

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