1 Sistemas previos: FDF+ y FDF
1.2 El sistema FDF+
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Stein • 0 y, y, I I I I 0 y, y, I y, y, I y, y, I y, y, I 13 I • y, y, y, I y, I 'h 'h 'h 'h 'h I y, 0 'h 'h 'h I I 12Yz Yz 'h • 'h I 'h 'h 'h 'h I 'h 0 I 'h I I 'h Yz 'h I 0 12 y, y, y, • y, y, 'h y, 'h y, y, y, 'h y, y, I I y, I y, I 12 5 Taimanov 0 'h 0 y, • y, 0 y, 'h I I I I y, I 'h y, I y, y, I 12 6 Lein 0 0 'h y, y, • y, y, I I I y, I y, 0 I I y, I 0 y, llYz 7 Krogius 0 y, y, y, I y, • I 'h 'h y, y, y, 0 'h 0 I y, y, I I 11 8 Bronstein 0 0 y, y, y, y, 0 • I y, y, y, I y, I 0 y, y, I I y, 10Yz 9 Polugayevsky I 'h y, y, y, 0 'h 0 • 'h y, y, 0 I 'h 0 0 I I I I 10Yz 10 Savon y, y, 0 y, 0 0 'h y, y, • 0 y, y, I 'h I y, y, I I y, 10 11 Smyslov 'h 'h y, 'h 0 0 'h y, y, I • I I 0 y, y, y, 0 'h y, I 10 12 Kholmov 0 y, I y, 0 y, y, y, y, y, 0 • y, 'h 'h y, y, I 'h y, I 10 13 Gufeld y, y, 0 y, 0 0 y, 0 y, 0 y, • I y, y, I y, 'h y, I 9Yz 14 Vasyukov y, 0 y, 'h y, y, I y, 0 0 I y, 0 • I y, 0 I 'h 0 y, 9 15 Gurgenidze 0 y, 0 y, 0 I y, 0 y, y, y, 'h 'h 0 • I y, y, 0 I I 9 16 Osnos y, I 0 0 y, 0 I I I 0 y, y, y, y, 0 • y, y, y, 0 y, 9 17 Suetin y, y, y, 0 y, 0 0 y, I y, y, y, 0 I y, y, • 0 y, y, y, 8Yz 18 Liberzon 0 y, y, y, 0 'h y, y, 0 y, I 0 y, 0 y, y, I • y, 0 y, 8 19 Nei 'h y, 'h 0 y, 0 y, 0 0 0 'h 'h 'h y, I y, 'h y, • I 0 8 20 Nikolayevsky y, 0 0 y, y, I 0 0 0 0 'h y, y, I 0 I y, I 0 • 7\1, 21 Doroshkevich 0 0 I 0 0 'h 0 'h 0 y, 0 0 0 y, 0 y, y, y, I I • 6Yz
L
EONID STEIN won again. This came after a gap of 13 months in a big change of scene from Tallinn on the Baltic to the Caucasus. It was his third win in four years, a great achievement. There were 21 players, Gurgenidze being admitted as a representative of Georgia. The event was played on a leisurely schedule and lasted from late December until early February. During this time Keres was absent, winning a tournament at Stockholm with 8/9, while Botvinnik was also dominating at Hastings. The event counted as the USSR Zonal and had four qualifying places on offer for Sousse 1967, where the qualifiers were to meet a certain Robert Fischer ...The bulletin prepared by the Georgian team carried the time taken over each single move for the games of the first four rounds, a rare feature in chess literature. However, it was called an experiment and not persisted with.
Anatoly Lein, who was at that time a chain-smoker and who lived in the USA from 1976, was the early leader with 3/4 along with Bronstein and Krogius, the last-named having the uncom promising sequence 0 1 1 1 .
However, the position at the top was always complicated by who had had a bye and who hadn't. After I I rounds the surprising leader was Nikolai Krogius, a psychologist who wrote works on conflicts in chess and other situations. He had 7 points, while Geller had 6Yl and Stein 6 after his l Oth round loss to Polugayevsky, who thus gained revenge for their encounter in the previous Championship.
Krogius maintained the lead until near the end, but after his bye in the 16th round it all went sour for him, as he fmished with a sequence of three draws and then two losses. Meanwhile Geller took over for one round as leader along with Lein and then handed the baton to Stein. Lein, like Krogius, lost his last two games, so there was not so sensational a result in the end as the old hands came top. The position of Gipslis, Latvia's Number Two after Tal, was a pleasant surprise.
Taimanov and Gipslis played a short match-tournament, but fmished all-square on 2 points. This eliminated Taimanov, as he had an inferior tie-break in the original tournament.
Stein won few prizes for special creative achievements in his career, such was his pragmatic style. Here is one of his excellent uncompromising wins.
Leonid Stein-Ratmir Kholmov Ruy Lopez C68
1 e4 eS
2 tlJf3 tlJc6 3 .i.bS a6 4 .i.xc6
The exchange variation did not have a great reputation, being considered a way of avoiding a full-blooded battle. Yet, in the hands of real fighters, this inoffensive method could prove dangerous. The name of Robert Fischer comes to mind ...
4 dxc6
5 0--0 .i.g4
Amongst the many possible replies, theory prefers 5 ... f6. The bishop move is not popular, as the exchange of this piece is likely, robbing Black of his trump of the two bishops.
6 h3 h5!?
This ambitious move is the point of Black's play. The bishop is safe for the moment: 7 hxg4? hxg4 and the £3-knight cannot move because of 8 ... 'ifh4. So, Black maintains the pin. Other moves are unpromising:
a) 6 ... .i.h5 7 g4! .i.g6 8 tlJxe5 'ilh4 9 'if£3 f6 I 0 tlJxg6 hxg6 1 1 �g2 and Black has no compensation for the pawn;
b) 6 ... .i.xf3 7 'ifx£3 Wd7 (7 ... 'iff6 8 'ifg3 0-0-0 9 d3 tlJe7 1 0 tlJc3 'ife6 1 1 f4) 8 d3 f6 9 tlJd2 0-0-0 10 tlJc4 and White's positional advantage is obvious.
7 c3
Or 7 d3 'iff6 8 tlJbd2 tlJe7 9 :e 1 when Black has to reckon with the threat 1 0 hxg4.
7 'iff6
Possibly Black should prefer 7 ... 'ifd3 8 :e 1 .i.x£3 9 'ifx£3 'ifx£3 1 0 gx£3 0-0-0 with hopes of equalizing in a complicated endgame.
8 d4!?
Even in a quiet variation like this one can fmd ways of complicating if the will is there. White offers a pawn.
8 .i.xf3
Kholmov is not one to avoid a challenge. 8 ... .i.d6 9 tlJbd2 tlJe7 10 'ib3 would yield
White the initiative 'for no charge'. 9 'ifxf3 exd4
The compromise variation 9 ... 'ifx£3 10 gxf3 .i.d6 simplifies matters but does not equalize.
10 cxd4 'i'xd4 1 1 tlJc3
Obviously White has enough compensation for the pawn in the form of quicker develop ment, but Black has a pretty sound position and Kholmov considered he was in no danger.
1 1 .i.d6
12 .i.f4 .i.xf4
A less bold player might have preferred to surrender his booty by 12 ... 0-0-0 13 .i.xd6 cxd6 14 'ifxt7 'iff6, thus increasing the harmony of his pieces, but Kholmov prefers to keep the pawn even if he has to suffer a little for it.
13 'ifxf4 'ifd6 14 e5 'ifh6 15 'ifb4!
A vital tempo gained for the assault.
15 b6
15 ... 0-0-0 would be met by 1 6 tlJe4 with the unpleasant threat of 1 7 tlJc5. Black prefers to hide his king on the other side, even though this takes a lot of time.
16 f4 aS
17 'ifa3!
Still preventing castling short.
17 ti:Je7
18 :ad1 c5 19 tlJe4 0--0
At last! Black cannot delay any longer, as 1 9 ... 'ifc6 20 'if£3 0-{) 2 1 f5! would leave the king under direct attack. To avoid this danger Black is ready to surrender the extra pawn . Was he now regretting not doing so seven moves earlier?
20 :d7 ttJrs 21 tlJg5!
This is much stronger than 2 1 :Xc7, since 2 I ...:ad8 would give Black counterplay. Now that move fails to 22 tlJxt7!.
21 h4
134 The Soviet Championships Finally getting back the pawn while
retaining some positional plusses.
22 l:.ad8
23 -.o ltJd4
Obviously it was tempting to sink the knight into a central outpost and with gain of time, but the knight fmds nothing to do here and soon has to return. 23 ... 'ii'g6, to strengthen the block ade on the kingside, was more to the point.
24 ._g4 l:.de8
The first consequence of the knight move. To stop 25 f5 Black has to yield the open file.
25 �h2
Exploiting the fact that Black is tied down, White allows himself a little prophylaxis.
25 f6
Passive defence is not Kholmov's style, so he decides to open the position, even at the cost of fresh positional concessions.
26 exf6 l:.xf6 (D)
27 l:.c8!
A far from stereotyped decision. To rob Black of any counterchances, Stein is prepared to exchange his own active rook.
27 l:.xc8
28 ._xc8+ l:.f8 29 -.g4 ttJrs
A sad retreat, but there was no other way to free the queen from the defence of the h-pawn.
30 l:.e1 -.r6 31 Wh5! ltJh6
The steed has to retreat even further. 3 1 ...Wh6 is not good, as after 32 We2 Black cannot prevent penetration by the major pieces along the e-flle. Now Kholmov hopes for relief by his double threat to f4 and b2, but disappointment awaits.
32 l:.e4! b5 Not 32 ... Wxb2? 33 Wg6.
33 b3 Wf5
There is nothing better as the h-pawn is undefendable.
34 Wxh4
The pressure has brought the win of a pawn while retaining a positional advantage. Now comes the technical phase.
34 ltJf7
With the slight consolation of exchanging the intrusive knight, but this is no longer enough.
35 l:.e7 ltJxg5 36 fxg5 Wd5 37 Wg3 l:.f7
Clearly it would favour Black to be able to exchange rooks, but the move meets with a tactical rebuttal. However, 37 ... c4 38 g6 also leaves Black in a bad way.
38 g6! l:.f8 Not 38 ... l:.xe7 39 _,8+ mating. 39 Wc7 Wd4 40 l:.f7! l:.e8 41 l:.f4 We5 42 Wf7+ �h8 43 �hl! 1-0
White's quiet king move, forces resignation in view of the mate threats on f8 and h4 - 43 ... Wel + 44 l:.fl We7 45 Wxe7.
The following endgame of mine was recognized by an award.
Mark Taimanov-Vasily Smyslov After 4 1 moves White has a defmite advantage in the form of the two bishops and
the passed h-pawn. Yet the realization of this advantage is not simple and demands refmed technique.
42 f5!
It was hard to decide on this advance, since it gives a square to the knight at e5, but cannot be avoided. The tempting 42 .i.f3 does not achieve anything in view of 42 ... .i.xf3 43 <iifxf3 f5 !.
42 iDeS
Obviously 42 ... f6 is countered by 43 .i.c6. 43 f6!
This wedge divides, as it were, the board into two parts and enables White to operate on a wide front.
Nothing would be achieved by 43 .i.xe5 dxe5 44 f6 in view of 44 ... �d7 45 .i.f5+ �d6
and it is hard for White to strengthen his position. Now the capture on e5 is a threat.
43 lbg6
44 .i.e 1 lbf8 Otherwise comes 45 .i.f5 and 46 .i.g3 .
45 .i.g3 �d7 46 .i.fS+ lbe6
One gets the impression that Smyslov has managed to beat off the pressure and consolidate, but it is nothing like so simple ...
47 .i.h3!
From this point on zugzwang motives begin to appear. Black's king and knight are lacking mobility and his bishop has to control the h5- dl diagonal to hold back the passed h-pawn. White, on the other hand, can gradually strengthen the action of his pieces.
47 .i.d1
48 .i.f4 .i.hS 49 .i.h6 .i.d1 49 ... �e8 would put up a better fight.
50 .i.f8!
Smyslov had clearly underestimated this paradoxical manoeuvre of playing the bishop to e7.
50 .i.hS
51 .i.e7 (D)
It is striking how the voluntary incarceration of the bishop, now lacking all mobility, determines the outcome of the endgame. It not only ties down the enemy king, but, and this is the most important point, it cuts the knight off from the kingside, where White has a passed pawn.
51
52 aS
White's plan is clear. By transferring his king to g3, followed by .i.g4, he wants to unblock the h-pawn and open up for it an unhindered path to the eighth rank.
52 .i.d1
53 �g3 a4
Being powerless to hinder White's scheme, Smyslov tries to create some semblance of counterplay. 54 55 The pawn square ... 55 56 57 58 bxa4 hS has h6 .i.g4 �fl .i.xa4
overcome one critical .i.c2
.i.g6 .i.h7
And now, having tied up practically all Black's forces, White can calmly set off with his king to the queenside for decisive action. On the other hand, 58 .i.h5 would not work in view of58 ... lbd4! 59 .i.xf7 lbf5+.
58 .i.b1
59 �e3 .i.h7 60 �d2 .i.b1 61 �c3 .i.e4
It is interesting that the bishop rushes about along the whole diagonal, but it cannot play to g6 because of the eventual tactical rejoinder .i.g4-h5.
62 �b3 dS
To allow the king unhindered to go to a4 and then b5 would be fatal. Smyslov makes a last attempt to hold the king back, but in vain ...
1 36 The Soviet Championships 64 �c3 .i.e4
65 �c4
Still White has a roundabout way to reach b5: if not via a4, then via c4!
65 �e8 (D)
Exploiting the last chance of meeting 66 <iitb5 by 66 ... tDc7+ 67 <iitxb6 tbd5+ 68 'iPxc5 tbxe7 69 fxe7 <3irxe7.
66 .i.f3!
A study-like decision based on the theme of diversion. Black cannot take the bishop because of the h-pawn's advance, and cannot retreat from the long diagonal he has occupied because of 67 .i.c6#.
66 b5+
A desperate try. 67 �c3
Obviously not 67 <3irxb5?? tbd4+.
67 tbg5
68 h7! 1--0 An elegant finale. Smyslov resigned.
Kharkov, 7-26 December 1967
K
HARKOV IN THE UKRAINE was the venue for the 1967 event proper, which was dedicated to the 50th anniversary of the October Revolution. It was decided that a return to mass activity was called for and the experiment of a Swiss system for 130 players over 1 3 rounds was tried. One reason to let in so many players was that 1967 had seen rare international tournaments in Leningrad and Moscow (a star-studded event, won by Stein) as well as other events internally and the Sousse Interzonal, so many of the big names would be taking a rest.'Never again! ' seemed to be the conclusion and the Swiss-system experiment, which attracted few of the stars, was not repeated until the dying days of the USSR in 1 99 1 . In fact, as early as the first round Polugayevsky was incensed that he had to play such a strong opponent as Lutikov, whereas Tal was paired with Kamer, to whom he had lost in a junior event a decade earlier. Naturally the Latvian was thirsting for revenge and quite happy with the pairing.
Although 130 players started out in Kharkov, there was a gradual falling by the wayside: Simagin withdrew after making 2Y:J4. Moiseev left after six rounds with the same score. Kopylov went after making Y:J5. Finally, Zhidkov was expelled from the event, according to the Swiss Chess Agency report, after scoring 5 points out of nine rounds, for unclear reasons - the chief judge Flohr claimed in his report that there had been no incidents and he had had little work to do.
Tal dominated from the creative point of view, but Polugayevsky hung on doggedly to share first place. His first-round experience was repeated in the last round when he had to play the fme defender Kholmov, whereas Tal had the easier task of meeting his colleague from Latvia Zhuravlyov. Both won, but Polugayevsky's task was clearly the harder. He only broke down Kholmov's resistance in an English Opening after 5 1 moves. In a sense Polugayevsky had declined a challenge since after the moves 1 d4 lbf6 2 c4 e6 in the penultimate round, 'Polu' offered a draw to Tal, which was accepted. For the sake of decency, they played another dozen moves, but Tal, as Black, had better reasons to be satisfied with this grandmaster draw.
Flohr praised the creative level of Vasyukov's games, attributing this to his recent joint study with Korchnoi. Igor Platonov from Kiev made a good impression and was to have a successful four or five years until a failure on a trip abroad returned him to obscurity.
1-2 L. Polugayevsky, M. Tal l O;
3-5 E. Vasyukov, M. Taimanov, I. Platonov 9�; 6-7 Yu. Sakharov, V.Antoshin 9;
8-1 7 V. Zhuravlyov, V. Bagirov, S. Furman, R. Kholmov, V. Zhelyandinov, A. Zaitsev, A. lzvozchikov, M. Shteinberg, V. Osnos, V. Tukmakov 8�;
1 8-26 A. Chistyakov, E. Bukhman, L. Alburt, V. Savon, A. Sinyavsky, A. Lein, 0. Donchenko, E. Mnatsakanian, A. Volovich 8;
27-40 A. Lutikov, S. Krasnov, V. Tseshkovsky, B. Gurgenidze, N. Levin, 0. Pavlenko, Yu. Shilov, V. Tarasov, G. Sosonko, Ma. Tseitlin, A. Cherepkov, R. Nezhmetdinov, E. Ubilava, G. Kuzmin 7�;
41-57 V. Arsenyev, V. Dydyshko, S. Zhukovitsky, G. Borisenko, Yu. Nikolaevsky, V. Doroshkevich, V. Mikenas, L.Gudim, Ya. Klovans, Ya. Murey, 0. Privorotsky, I. Miklyaev, I. Ney, R.Kimelfeld, O.Chernikov, E. Sveshnikov, Yu. Gusev 7;
58-70 A. Butnoryus, Yu. Nikitin, L. Slutsky, V. Zakharian, R. Pelts, N. Popov, I. Zaitsev, M. Dvoretsky, V. Zurakhov, R. Vaganian, D. Beradze, I. Slepoy, A. Shmit 6�;
71-88 V. Zilbershtein, L. Belov, I. Kagan, V. Korensky, B. Rumyantsev, B. Sorokin, G. Chepukaitis, A. Shamis, M. Shereshevsky, Vladimir Bykov, A. Kremenetsky, A. Tuzovsky, V. Alterman, V. Voloshin, B. Kalinkin, V. Kozlov, Kh. Muchnik, I. Sakovich 6;
138 The Soviet Championships
Muratov, A. Polikarpov, V. Seleznev, A. Vaisman, V. Zagorovsky, N. Razvalyaev 5Yz;
1 02-1 1 3 E. Terpugov, Valery Bykov, R. Levit, A. Tseretely, K. Cherskikh, V. Voronov, Kh. Kamer, A. Smetanin, V. Sazonov, T. Oim, Kh. Luyk, R. Seoev 5;
1 14-120 N. Valiev, R. Barstaitis, A. Lukin, A. Noskov, A. Anokhin, V. Vakulenko, R. Etruk 4Yz;
121-124 I. Evelnin, V. Karasev, V. Sorokin, Ya. Amakov 4; 125 V. Gureev 3;
126 M. Varzhepetian 1 Yz.
Amongst well-known names, some still quite young, we see that the veteran Mikenas, Klovans, Murey and Nei scored 7; Igor Zaitsev, Dvoretsky and Vaganian made 6Yz; Boris Gulko made 5Yz and the Estonian Tonu Oim, who was later to become the World Correspondence Champion, scored 5.
Here is a key win by Tal against the talented Muscovite Evgeny Vasyukov.
Mikhail Tal-Evgeny Vasyukov In this double-edged position from an Alekhine Defence Vasyukov decided to pour oil on the flame by an unexpected pawn sacrifice.
23 ... e5!? 24 dxe5 ..txe5 25 ltlxd5 ltlxd5 26 'i'xd5 l:td8
Black's pieces have greatly increased their activity, but how justified is the initiative in the long term?
The following phase demands great inven tiveness; from Tal in defence and Vasyukov in attack.
27 .. b3!
The only move as 27 'i'f3? ._c3 ! 28 ._e2 'i'a1 loses for White.
27 ... ltla5?!
A very tempting and striking blow, but not effective, as Tal shows. Yet there was a much more promising way of using Black's initiative. 27 ... l:td3 ! 28 'i'c2 l:txe3 ! 29 fxe3
._xe3+ 30 ._f2 (30 <iPfl ..id4) 30 ... ..th2+! 3 1 �fl 'i'cl ! would guarantee him a draw, and this was the legitimate outcome of his bold pawn sacrifice at move 23.
28 ._c2 ltlc4
This was the move, it seems, which Black relied on. His threats seem significant, but...
29 ..tg5!
A valuable gain of time which changes the whole picture.
29 ... c3!
The only counter chance as any rook move is met by 30 ..te2, but it still fails.
30 �0!
Decisive, as the exchange of queens is unavoidable White's passed pawn now becomes an insuperable factor.
30 ..• f6 31 -.xc3 ..txc3 32 ..ib3! fxg5 33
c6!?
Obviously 33 ..txc4+ is good enough, but this is more cunning.
33 ... �18?!
Falling into the net. The correct rejoinder was 33 ... l:.c8 34 ..txc4+ �f8 35 ..td5 l:tc7, which would greatly prolong resistance, though
it could hardly change the result. 34 c7! l:te8 35 l:b8 ltlb6
Or 35 ... ltld6 36 ..ta4 l:.c8 37 ..td7. 36 ..ta4!
The point of Tal's tactical scheme. Material loss is forced on Black.
36 .•• l:tc8 37 ..td7 ..te5 38 ..txc8 ..txc7 39
l:tb7 ..tes 40 l:txa7 1-0 If 40 ... ltlxc8, then 4 1 l:.a8. A lively encounter!
Some consolation for Vasyukov was winning the special prize for the Best Game.
' Evgeny Vasyukov-Viktor Zhelyandinov Sicilian Defence B53 1 e4 cS 2 liJf3 d6 3 d4 cxd4 4 -.xd4
Vasyuk:ov's favourite variation, aiming to increase his influence in the centre, though the early exposure of the queen has its dark side.
4 .i.d7
To drive the queen back at his convenience, but the move costs time. It was more logical to go 4 ... liJc6 directly and then, after 5 .i.b5 .i.d7 (5 ... -.d7 is about as good) 6 .i.xc6 both 6 ... ..txc6 7 c4 liJf6 8 liJc3 g6 9 0--0 .i.g7 and 6 ... bxc6 7 c4 e5 8 'ii'd3 'ii'c7 give Black a reasonable game. S c4 liJc6 6 .. d2 liJf6 7 liJc3 g6 s b3 ..tg7 9 .i.b2 0--0 10 .i.e2 -.as
So, both sides are close to completing development and both can be satisfied with the result. White stands better in the centre, but Black has queenside prospects.
1 1 l:.bl
A necessary precaution. The natural 1 1 0--0, or 1 1 l:td1 , loses a pawn after 1 1 ... liJxe4.
1 1 a6
12 a3!?
Once again an important nuance. Before castling White has to neutralize Black's queenside chances. 12 0--0 allows 12 ... b5 ! and if 13 cxb5 axb5 14 .i.xb5, then 14 ... liJxe4!.
12 bS
Probably Black should delay this. Preferable is 12 ... l:.fc8 13 h3 (13 0--0 .i.g4!?) 1 3 ... .:tab8 14 0--0 .i.e6 as the Pole, Pytel, played against Vasyukov five years later.
13 b4 .. b6 14 cxbS!?
Possibly Black had hoped to tempt White into 14 c5 dxc5 15 e5?, but Vasyuk:ov spotted that 1 5 ... cxb4! 1 6 exf6 bxc3 1 7 ..txc3 exf6 (not 1 7 ... ..tf5? 1 8 fxg7 l:.fd8 19 �6 .i.xb1 20 liJg5) 1 8 'ii'xd7 l:tad8 1 9 �3 :res gives Black a dangerous initiative.
14 axbS
lS 0--0
Of course, taking on b5 allows the same counterstrike on e4, so White completes development and leaves b5 as a weak point.
lS .. b7
An unjustified loss of time. Black naturally feared 16 liJd5, but this could be neutralized by 1 5 ... .i.g4 (16 lLld5?! lLlxd5 1 7 exd5 .i.xf3 1 8 .i.xf3 lLle5).
16 :ret!? lLla7?
Too passive. Black clearly fails to cope with his problems. The threat 1 7 .i.xb5 was better met by 16 ... liJe5, though White maintains a better position after 1 7 liJxe5 dxe5 1 8 .i.d3 .i.c6 19 -.e2.
17 eS!
Now White's pieces develop great activity.
17 lUeS
Clearly not 1 7 ... dxe5 1 8 lLlxe5 and Black is in a bad way. lS 19 20 ..td3 lLle4 ._e3 .i.c6 l:.dS dxeS
Opening the position must favour White, so stubborn defence by 20 ... liJc8 was better.
21 lUxeS liJd6 22 lUes -.as 23 .. g3
White's positional plus becomes decisive. All his pieces have taken up the right positions to launch an assault.
23 liJacS
24 h4!
The start of a storming operation.
24 .i.eS
2S hS liJb6 26 hxg6 hxg6 (D)
140 The Soviet Championships 27 tL!xg6!
A sacrifice that breaks through the defence.
27 fxg6 28 .i.xg7 �xg7 29 l:xe7+ 30 t2Je6+ 31 l:xt7 Mate is forced. :n �h8 1--0