4NCL Rounds 5-8 9+-+-+-+K0 9P+-Zp-Wqpzp0 9+-Zppzpn+-0 by IM Andrew Greet 9-+P+-+-+0 9Zp-+-+-+-0 the Months of January and March A) 28
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NCL:NCL.qxd 13/05/2008 20:19 Page 1 XIIIIIIIIY 9-+-+-+-+0 4NCL Rounds 5-8 9+-+-+-+k0 9p+-zp-wQpzp0 9+-zpPzpn+-0 by IM Andrew Greet 9-+P+-+-+0 9zP-+-+-+-0 The months of January and March a) 28 ... Ìf5 is very logical, preparing 9-+-wq-+PzP0 witnessed the completion of rounds 5-8 to sink the knight in to d4. A sample 9+R+-+-+K0 of the 4NCL. In this report we will variation is 29 Ëb1!? (29 Ìxd6? Îf6! catch up with all of the main action wins for Black) 29 ... Ìd4 30 Îxc8 xiiiiiiiiy from the top division. Before doing so I Îxc8 31 Ìxd6 Ìxf3+ 32 gxf3 Ëxf3 Forcing the knight to retreat. must humbly admit to a small factual 33 Ìxf7 Ëg4+ with a likely perpetual, 38 ... Ìg7 39 h4!? error in my previous 4NCL article. At e.g. 34 Êh1 Ëf3+ 35 Êg1 Ëg4+ 39 Ëxd6 was equally decisive. the end of the game Rajlich-Hebden 36 Êf1 (36 Êh1 Ëf3+=) 36 ... Ëxc4+ 39 ... g5 40 h5 Ëd3 41 Ëg6+! (1-0) from the Cambridge University 1 37 Êe1 Êxf7 38 Ëb7+ Êf6 39 Ëxc8 The simplest way to win. White – Guildford ADC 1 match, I stated that Ëe4+ 40 Êd2 Ëxd5+ 41 Êc1 Ëc4+ sacrifices a pawn, safe in the knowledge the result of this game “was predictably 42 Êb2 Ëe2+ etc (analysis by Pert). that his soon to be passed a-pawn will not enough to affect the result of the b) In the above line Black narrowly swiftly decide the game. match”, clearly implying that Guildford appears to be able to hold the balance. 41 ... Ëxg6 42 hxg6+ Êxg6 43 Îb6 were victorious. I have since noticed He may also, however, attempt to seize XIIIIIIIIY that the match in fact resulted in a 4-4 the initiative with 28 ... Íf5!, e.g. 9-+-+-+-+0 draw, and thus apologise for the 29 Ìxd6 Îxb8 30 Ëxb8+ Îf8 oversight. intending ... e4 with strong counterplay. 9+-+-+-sn-0 29 Íxg4 Ëxg4 9ptR-zp-+kzp0 This season the 4NCL website 29 ... Ëxe4? 30 Íe6 Ìxe6 31 dxe6 9+-zpPzp-zp-0 (www.4ncl.co.uk) has featured a series Îxf2 32 Îxf8+ Îxf8 33 e7 Îe8 34 Ëd8 9-+P+-+-+0 of reports by Grandmaster Nick Pert. is winning for White. Nick’s writing and chess insights are of 30 Îxf8+ Îxf8 31 f3! 9zP-+-+-+-0 a predictably high quality, and certain This temporary pawn sacrifice is the 9-+-+-+P+0 parts of his analysis are quoted in some key to White’s play, although accurate 9+-+-+-+K0 of the following games. However you follow-up play is essential. can rest assured that you will find 31 ... Îxf3 32 Ëd8+ Êh7 xiiiiiiiiy plenty of original analysis as well! XIIIIIIIIY Material is temporarily equal, but in 9-+-wQ-+-+0 such a position a sluggish knight is no Our first batch of games comes match for a nimble rook. The remaining from the weekend of 12-13 January, 9+-+-+-snk0 moves were ... beginning with a clash between two of 9p+-zp-+pzp0 43 ... Ìf5 44 Îxa6 g4 45 a4 e4 46 a5 England’s best known Grandmasters. 9+-zpPzp-+-0 e3 47 Êg1 g3 48 Êf1 h5 49 Îa8 Êf7 9-+P+N+q+0 50 a6 Ìh4 51 Îb8 1-0 Jon Speelman (2491) White Mark Hebden (2530) Black 9zP-+-+r+-0 The following game fragment, taken Round 5 The ADs – Guildford ADC 1 9-+-+-+PzP0 from the same match, provides a fine 9+-+R+-mK-0 lesson in converting a slight plus into a We join the action in a tense King’s xiiiiiiiiy full point. Indian after White’s 28th move (Íe2- f3). Speelman has made definite inroads 33 Îe1! Nick Pert (2528) White on the queenside while Hebden, in This is probably the detail that Nigel Davies (2480) Black traditional King’s Indian fashion, has Hebden missed. The rook calmly Round 5 The ADs – Guildford ADC 1 marshalled his troops in anticipation of defends the knight while sidestepping a knockout blow on the opposite flank. the diagonal attack from the Black White enjoys a stable advantage on Now, in this critical position, he faces a queen. account of his extra space and tough decision concerning how best to 33 ... Îf7 34 Ìf6+ undisputed control over the open d-file. pursue his attack. Good judgment. The computer At the same time Black has no serious XIIIIIIIIY actually rates 34 Ëxd6!? as even weaknesses, and is presently covering stronger after 34 ... Ëf4 35 Ëxc5, but in all of the important entry points. It is 9-tRl+-trk+0 a game between humans Black will highly instructive to see how Pert sets 9+-+-+rsn-0 retain some practical chances after about increasing the pressure against a 9pwQ-zp-+pzp0 35 ... Ìf5. Speelman’s choice was the solid Grandmaster like Davies. 9+-zpPzp-+-0 more pragmatic decision, as the rook XIIIIIIIIY will always outrun the knight in a 9-snr+qvlk+0 9-+P+Nwq-+0 position with pawns scattered across the 9zP-+-+L+-0 width of the board. 9+p+-+-+p0 9-+-+-zPPzP0 34 ... Îxf6 35 Ëxf6 Ëd4+ 36 Êh1 9-vL-+p+p+0 9+-+R+-mK-0 Ëd2 9+-zp-zPp+-0 36 ... Ëc3 changes nothing after 9-+P+-zP-+0 xiiiiiiiiy 37 Îg1, e.g. 37 ... Ëxc4 38 Ëxd6 Ëd4 28 ... Íg4? 39 Îc1 c4 40 Ëxa6 Ëxd5 41 Ëxc4 etc. 9+P+-+NzP-0 This natural-looking move is soon 37 Îg1! 9-+-wQ-+-zP0 refuted by Speelman’s accurate play. The safest, keeping the rook out of 9+-+R+-mK-0 Instead Black should have chosen one harm’s way and preparing Ëxd6. of two sensible alternatives: 37 ... Ìf5 38 Îb1! xiiiiiiiiy 44 CHESS June 2008 NCL:NCL.qxd 13/05/2008 20:19 Page 2 XIIIIIIIIY 36 Íd8! Now that g5 has been weakened, 9-+-+-+-+0 Heading for an ideal outpost in close the bishop transfer to b6 carries 9+-+-wqk+-0 proximity to the opposing monarch. considerably more bite. White might 36 ... Ìc6 37 Íf6 Îc7 38 Êg2 h6 also have considered the preliminary 9-zpQzPp+p+0 39 h4 45 Ìg5+ Êg8 and only now 46 Íd8. 9+-zp-+pzPp0 White might also have considered Compare this with some of the 9-+P+-zP-+0 39 h3!? followed by a subsequent g4. variations given below in which Black 9+P+-+-zPK0 39 ... Êf7 prefers to answer Ìg5+ with ... Íxg5. As Pert explains in his annotations, it 45 ... Îc8 9-+-+-+-+0 is hard to find a clear winning plan. Black must avoid 45 ... Ìxd8? 9+-+-+-+-0 Knight moves would permit ... Ìd4 and 46 Ìg5+! Êg7 (and not 46 ... Êe7?? xiiiiiiiiy if his queen or rook vacate the d-file 47 Ëd6 mate) 47 Ëxd8 Ëxd8 48 Îxd8 there would follow ... Îd7. winning material. 45 ... Ëxd8 was The mighty passed d-pawn is a major 40 Ëe2!? possible, although 46 Ëxd8 Ìxd8 asset, but there is still some work to do. White sets a mini-trap. 47 Îxd8 Íe7 48 Îb8 would still leave 54 ... Ëd8 40 ... Êg8! Black passively placed. From here White has a relatively Black successfully avoids the danger, 46 Íb6! Ìb8! simple winning plan, as explained by namely 40 ... Îd7 41 h5! when Pert The best defensive chance. 46 ... Íe7 Pert in his annotations. The idea is, at a gives 41 ... gxh5 42 Ìh4 leading to a 47 Ìg5+ Íxg5 48 hxg5 Black will suitable moment, to place the queen on slight edge to White, while 42 Ìd4!? have a hard time covering his c7, forcing the reply ... Êe8 (regardless also looks interesting. weaknesses. of whether or not Black is in check). 41 Ëd3 47 Ía7 Íe7 48 Íxb8 White will then follow with Ëh7, Now ... Îd7 was threatened. Pert decides to head for a pure major losing the pawn on d6 but capturing the 41 ... Êf7 42 Íd8 Îc8 piece ending. one on g6 (and possibly h5), after which 42 ... Ìxd8 43 Ëxd8 Ëxd8 44 Îxd8 48 ... Îxb8 49 Ìg5+ Íxg5 50 hxg5 the g-pawn should decide the game. is a pleasant endgame for White, who The only possible obstruction to this can centralise his king and then look for XIIIIIIIIY plan would be if the Black queen could a way to infiltrate with the knight. 9-tr-+q+-+0 get to a suitable checking position, but 43 Íf6 9+p+-+k+-0 White can avoid this easily enough. For After 43 Íb6 Íe7 44 Ëd7?! Ëxd7 9-+-+p+p+0 the moment he waits while preparing a 45 Îxd7 Îb8 the game is equal; there is triangulation with the king. no time for 46 Íxc5? as 46 ... Êe8 wins 9+-zp-zPpzPp0 55 Êg2!? material. 9-+P+-zP-+0 55 Êh4 would actually be a quicker 43 ... Îc7 44 Êh3! route to victory, although the text is XIIIIIIIIY 9+P+Q+-zPK0 9-+-+-+-+0 equally effective in terms of ensuring 9-+-+qvl-+0 the point. In his annotations Pert 9+ptr-+k+-0 9+-+R+-+-0 explains that he wished to obtain the xiiiiiiiiy position after 55 ... Êf8 with Black to 9-+n+pvLpzp0 move, the point being that after 56 Ëc7 9+-zp-zPp+-0 50 ... Ëe7? the reply 56 ... Ëa8 creates a seemingly 9-+P+-zP-zP0 This passive move may just be the awkward mating threat on h1. However 9+P+Q+NzPK0 decisive error. Instead 50 ... b5! looks it turns out that White can still win like the best chance, simplifying the easily after 57 Ëe7+ Êg8 58 Ëxe6+ 9-+-+-+-+0 position and activating the Black pieces Êg7 59 Ëf6+ Êh7 60 Ëf7+! Êh8 9+-+R+-+-0 to the greatest possible extent.