KEG: Post II
In the diagrammed position with which I ended my last post, Halprin decided to launch a King-side attack. This effort was premature, and landed Halprin in trouble: 17. f4?!
The solid 17. Rad1 or 17. Bd5 were better. Alternatively, he could have anticipated trouble on the g1..a7 diagonal immediately with 17. Kh1 (a move he in fact had to make two turns later in far less favorable circumstances. 17... c5
Striking at the White center. But 17...b5 was a far better means of beginning an assault on White's center formation. 18. Ndf5
Rightly condemned by the Tournament Book, which identified the correct move: 18. bxc5. The position was now:
 click for larger view18... cxb4!
With this move, White's intended assault crumbles. 19. Kh1
Halprin had no choice. Only now did he apparently notice the power of the a7 Black Bishop that was unleashed by 18...cxb4! As the Tournament Book pointed out, 19. cxb4? would be crushed by 19...d5! [19...BxN first would be as good as the Tournament Book's move) 20. Bxd5 [20. Bb3 is arguably better, but also loses after 20...dxe4] BxN 21. exB Ne7. Even after the text, Halprin's position was on the edge. But... 19... Qc7?
Giving Halprin a saving tactical resource by failing to have the Queen continue to eye f6 and putting it on a square on which it can be attacked by Nd5. 19...Rc8 and 19...BxN followed by 20...Rc8 were both very strong. After Showalter's 19...Qc7?, the position was:
 click for larger viewWhite to move and draw:
This is all that hard a conundrum when given as a problem. But at the board, Halprin flubbed his chance with: 20. Qe2?
But White had a draw with: 20. Nxh6+ gxN 21. Nd5 QxB [21...Qd8 now gives White the edge after 22. f5!] 22. Nf6+ Kh8 23. f5 Kg7 (forced) 24. Nh5+ Kh7 (forced) 25. Nf6+ and draws via perpetual check. After the text, however, Halprin was about to lose a second pawn and was thus clearly lost:  click for larger view20... BxN
21. NxB bxc3
This left:
 click for larger viewAs I will discuss in my next post on this game, Halprin from here tried desperately to launch a coffee house attack on Showalter's king, an effort that got him nowhere. |