Gmd

White commands the light squares even without his bishop The d-pawn contributes to the bind by guarding the key squares c5 and e5, leaving Black almost lost for a move that does not open the floodgates He would like to defend the d5-square with 20 but this neglects e5 and thus invites 21 <£>e5, homing in on c6

21 a4 Ac7

22 Bedl ib8

23 b4 Wei

Having suffered the minor humiliation of seeing his opponent help himself to three useful, menacing moves free of charge, Tone knows that White is ready to graduate to a more aggressive phase of the game Side-stepping iic4-e5 and anticipating the inevitable d4-d5, he brings his queen to

BvSv

From this point on White should focus exclusively on the d-pawn If it is to embark on a victory march it is imperative that Black's blockad-ers are eliminated White's extra space and bishop pair afford him the luxury of being able to conduct his mission without the inconvenience of dealing with counterplay

28 d6 Ecd8

29 a6 Be6

30 lff5!7 Wif5

31 gxfS Eee8

34 Bxc8 Exc8

35 Ad4 &ed7

White has enough pieces to do the job The game ended

41 Sd5 Sb4

41 42 AbS $e8 43 Sc5

Black Plays a Premature ...Axf3

Botvinnik-Szilagyi

Amsterdam 1966

As usual in such positions this exchange is not to be recommended, so the retreat 5 Ah5 is best 6 AxD e5? (D)

i m+mm kmwmkmk

After 7 e4 Deep Blue then produced a theoretical novelty, 7 £)e5, which is an interesting attempt to counter White's bishop pair The game continued 8 Ag2 dxe4 9 iLxe4' (9 dxe4 £b4+ is equal) 9 £tf6 10 Ag2 i.b4+ 11 <&d2 h5P (D)

I don't like to admit it, but for an improvement on Szitagyi's anti-positional, albeit ambitious thrust we turn to a game played over thirty years later by a machine The protagonists are a certain Mr Kasparov and Deep Blue (the machine') This position arose in the 5th game of their match in New York, 1997, and Black now opted for the solid 6 e6

Thus far Kasparov has had little chance to make any threatening gestures of his own because his bishop has been too busy Now his kingside is under fire However, once he manages to unravel, the bishop pair should be significant There followed 12 *e2 Wc7 13 c3 Ae7 14 d4 £jg6 15 h4 (White is making progress) 15 e5 16 £if3 exd4 17 fcixd4 0-0-0 and now Deep Blue evaluates 18 0-0 Ac5 19 Ae3 She8 20 Wf3 £le5 21 *f5+ Wd7 22 Ah3 Axd4 23 cxd4 as better for White In general White should be patient after the early capture on f3 As long as he keeps his position in order he can look forward to his light-squared bishop operating unchallenged once the game opens up Note also that the text neglects the squares d5 and f5

8 e4 dxe4

Otherwise White may open up the position later with e4xd5 and c2-c4

Necessary was

0-0?! 11 a5, after which White would be better placed, thanks to his bishop pair and white-square control Now White is able to increase his advantage by expanding on the queenside — often a good idea in such positions

Claiming more space and indirectly preparing 5id2-c4 by putting a pawn on b5 before Black does

14 Wc2 2ac8

IflW^uJL^ mm

When White's king's bishop finds itselt on f3 (usually as a result of

AxO from Black) it is important to remember that the stereotyped retreat to g2 is not necessarily the best course In this case the a2-g8 diagonal holds the most promise for the bishop The reader will notice from other games in this chapter that the h3-c8 diagonal is also occasionally used

Although it does not give away material, Black's blunder allows his opponent a free hand positionally

Chess masters often remark that "good positions play themselves", Botvinnik's conduct of the rest of the game should help to explain this maxim

Not surprisingly the harmonious development of the White pieces facilitates such a tactic Now 18 »xg5 19 £)xd6 followed by Ac4 leaves Black in dire straits, whilst after 18 White can avoid exchanging his knight and instead play 4ae3-d5 Black is therefore obliged to enhance the power of White's king's bishop with his next move

The main purpose of this move ts to prevent £lf8-e6 The queen will also take over the defence of the a-pawn now that the rooks are about to be exchanged

24 Sxdl 2d8

The removal of the rooks has in no way helped Black, who is powerless to defend against an invasion on the white squares. Botvinnik's next plan is to reverse the present line-up on the a2-g8 diagonal in order to tie down the potentially troublesome knight. The fact that he can first improve his king's position is indicative of Black's passivity. Indeed Black is effectively in a lost

position.

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