Nc

or 19...fxg5 20.Nxg5 threatening 21.Bh3.

20.gxf6 Qg4 21.fxe5 dxe5 22.Qe3 Qh5

To hold the e-pawn.

23.Ng5 Bc8 24.f7+ Kg7 25.Qf4 Kh6

Forced.'

In the following game we have an example of a "mysterious\Rook move, also a striking example of the difference between a true and a false freeing move. As this game also illustrates very clearly our conception of prophylactic strategy, it is inserted here.

Game 32

Blackburne-Nimzowitsch

Petrograd. 1914

1.e3 d6 2.14 e5 3.fxe5 dxe5 4.Nc3 Bd6

The best move, for the early development of the Knights advocated by Lasker would not get at the root of the matter here. This root lies rather in the pawn configuration and in the prevention of any freeing pawn moves.

5.e4 Be6

Preventing 6.Bc4. S.NfS fo xm »mm mm m mt m mam m a m m m m mm m m 13 ¡S43H

mm mm

IJiMI

center. The reader may ask, why does Black give White the opportunity of playing d4 on his 7th move?

7.d3

White forgoes the advance, and rightly, for 7.d4 would here be the typical false liberating move, which merely creates new weaknesses. For instance, 7.d4 Nd7! 8.d5 (otherwise ultimately ...exd4 with play against the isolated White e-pawn), 8...Bf7 followed by the occupation of the square c5 by a Knight or Bishop.

With the aid of the resources he has on the d-file, Black now succeeds in forcing his opponent to the defense. See Black's 9th and 10th moves.

The reward which Black's systematic scheme of operations has earned for him. d3 is now a weakness.

The "mysterious" Rook move, which In the event of White playing d4, threatens to make things uncomfortable for him on the e-file. In addition to this, it makes room for the Bd6 at f8.

Black plays (as will become evident on his 8th move) to prevent the advance to d4, which would in a certain sense have a freeing effect, as it would make White's majority in the center felt. Black, as he Plays it, succeeds in completely crippling the enemy majority in the

15.Nh4 Bf8 16.Nf5 Kh8!

White has made pertinent use of the open f-file, his one advantage. Black's move, for all its unpretentiousness, has its significance in positional play. Black insures the eventual possibility of playing ...g6 and ...f5 without being disturbed by a Knight check at h6.

17.g4 Qd7!

xs mm m mrmm mi am m a m msrnm m mmtm f ^«gsi m M&M%m

Some tempi could have been saved by playing 20...b4 at once.

21 .Rd2 b4 22.axb4 axb4!

Renders possible a parry to the ever threatening advance g5. For example 18.g5 g6 19.Ng3 f5l with an excellent game (see previous note).

18.Nf2a5

White's a-pawn is constantly threatened, and if now 19,b3,19...a4 is possible. It is evident that White's Queenside is sympathetically affected by the weakness of his center.

19^3 b5

19...Bb3 would have been a strong move here, although by it Black would have to forgo this parry he had planned to b4. Nevertheless, 19...Bb3 could have composedly have been played (one should not be a slave to one's parries!), 19...Bb3 20.g5 fxg5 21.Bxg5 c4! (Lasker's suggestion) 22.dxc4 Qe6 23.Ne3 Qg6 24.Qg4 Bc5! and wins. Or 23.Qf3! Bxc4 24,Rfd1 and Black has a slight advantage.

20.Rad1 Rab8

Black ought now to play his trumps. 23...R38?

Black had brought about a strategically won position, only he should not have delayed playing his trumps any longer. These consisted of ...Nd4, which would have led to Bxd4 by White, and ...g6 followed by ...Bh6 dominating the diagonal. For example, 23...g6 24.Ng3 Nd4! 25.Bxd4 cxd4 followed by ...Bh6.

24.Qf3 Ra2?

There was still time for ...Nd4.

25.g5

Thanks to a tactical shot (White's 26th move) this thnjst which was thought to have been prevented, is now possible after all.

This move robs Black of the fruits of his deep plan of campaign. There followed:

26...gxf5 27.Nxf6 Nd4 28.Qf2

28.Qn5 would have won more quickly.

It was not possible here to take immediate advantage of White's weakness atd3. For example, 6...Nd3+

7.Ke2! Nf4+ 8.Kf 1 with the threat of 9.d4. Or 6...Nd3+ 7.Ke2 Nxc1+ 8.Rxc1 Nc6

8.Bb5 Bd7 10.Bxc6 with the better ending.

7.0-0 N8c6

White won easily. 1-0.

What we have to learn from this game is the ability to distinguish between true and false freeing moves. The manner in which Black was able to hold in check 8.d3 Nd4 the thrusts d4 and later (until the moment of aberration) g5 is worthy of special notice.

Game 33

Nimzowitsch-Rubinstein

Dresden. 1926

Better here was 7...a6, though it is true that even then White with 8.a3 N4c6 9.d3 followed by 10.Be3 would have an excellent game.

9.a3 was threatened. 9.Nxd4 cxd410.Ne2

The following game illustrates the effect of preventive measures and the idea of collective

XBJLB*H m mtm mtmt

■ B mm m 1 1 81 ■m&mtm m m rntm m mm m&mtm

A novelty, which at the price of a backward d-pawn, aims at securing other advantages.

Preferable was 5...Nxc3 6.bxc3 g6. 6.Bc4! e6

White now stands very well. Any weakness at d3 is covered up, the collective mobility of White's Kingside (f4!) is considerable, and most important, the apparently blocked Bc4 plays a preventive role (directed against a possible ...e5) from the background, all of which goes far in leading to a White

Directed against the threat of 11.Bb5+ 17.exf5 exf5 Bd7 12.Nxd4.

11.Ng3 Bd6 12.f4

12.0g4 would have been very strong here. 12.Qg4 0-0 13.Bg5! Be7 14.Bh6 Bf6 15.Bxg7 Bxg7 16.Nh5; or else 13...e5 "i4.Qh4 with the sacrifice atg7to follow (Nh5, Nxg7). The best answer to

12.Qg4 would have been 12...Qf6. Tor example, 12.Qg4 Qf6 13.f4, but even In this case White's superiority in position would have been very great. After the less Incisive text move Black can equalize.

A direct mating attack is no longer feasible. For example: 13.e5 Bc7! 14.Qg4 Kh8 15.Nh5 Rg8 16.Rf3 f5! 17.exf6e.p. gxf6 18.Qh4 Rg6 19.Rh3 Qe7 and Black threatens to consolidate his position by ...Bd7 and ...Rag8.

13...Kh8 14.Bd2f5 15.Rae1 Nc6

Rubinstein has defended himself skillfully, but White has a trump in hand, the e-file.

16.Re2 Qc7

Not good. In cramped positions one should never give away the possibility of a future move. But here ...Qc7 gives away the possibility of playing ...Qf6 after exf5 ...exf5. The right move was therefore 1S...Bd7, and if then 17.exf5 (best) 17...exf5 18.Rfe1, 18...Qf6 and Black stands much better at any rate than he does in the game.

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