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Wednesday, 28 November 2007

Chess Strategy

Chess Strategy

Excerpt from Chess Step by Step

by Frank Marshall and J.C.H. Macbeth

The intelligent reader may enquire: "Why am I supposed to study Chess Strategy, while I have only a very slender knowledge of the Chess Openings?" The reply to this question is, that learning Chess is somewhat similar to learning a language. We all know that children acquire a certain vocabulary of their native tongue before they begin to delve into the mysteries of grammar and syntax, and, as a matter of fact, a considerable proportion of people of all nationalities are content to go through life without troubling themselves to learn the laws and principles which govern their language. In Chess, knowledge of the moves and how to play under certain given conditions is equivalent to acquiring a vocabulary in a language, and the syntax may be said to be the study and analysis of the Openings, which we have therefore reserved for a later stage, by which time the student will be better equipped for the task of making himself conversant with the subtleties and beauties of the many and complex variations in the different Chess Openings.

Some Opening Principles and Chess Strategies

For the purpose of study and analysis, a game of Chess is divided into three phases – the Chess Opening, the Middle Game, and the End Game.

The Chess Opening consists of the first six or eight moves, when both sides endeavor to develop their forces into the sphere of action where they will exercise the greatest power against the opponent’s defenses. By this time the reader will be in a position to understand the following principles with regard to the Chess Opening – principles which experience has proved cannot be deviated from with impunity.

* Avoid Moving a Chess Piece Twice During the Opening is a good chess strategy.

This means that when you have developed a piece, it should not be moved again until the other pieces have been developed. If a piece has been attacked, it must, of course, be moved, but this is not a violation of the rule, as the opponent in all probability has departed from principle in attacking your piece, which will ultimately prove to be advantageous to you.

* It is Better Chess Strategy to Develop the Knights before Their Respective Bishops.

This principle does not mean that both Knights should be developed before bringing out a Bishop, but that it is advisable to play say the King’s Knight before the King’s Bishop, and similarly on the Queen’s side.

The following is an example of the consequences that may ensue by violating the foregoing principles and strategies.

White Black

1.e4 e5

2.Nf3 d6

3.Bc4 Bg4

Here Black has violated the strategy principle by playing the Bishop instead of the Knight.

4.Nc3 Nc6

5.0-0 Nd4

Black has again played contrary to the principle strategy, in moving the Knight twice during the Opening.

6.Nxe5 dxe5

Best. If at his 6th move Black plays 6...Bxd1, White gives Mate in two moves: 7.Bf7+ Ke7 8.Nd5#, and Knight Mates.

The move in the text leaves him a pawn minus and an inferior position.

* A good chess strategy is to Develop Both Knights before the Queen’s Bishop.

* A good chess strategy is Do Not Develop your Chess Pieces Exclusively on One Side.

* A good chess strategy is as a Rule Do Not Play a Piece beyond Your Own Side of the Board in the Opening.

This last principle means that you should not play a piece beyond its 4th square, until by development you have the other pieces ready to back up any incursions the piece may make into enemy territory. In some forms of Opening, however, this principle is disregarded, notably in the Ruy Lopez, but in that case, it is attacking an important piece which the opponent is supposed to require for his defense.

* A good chess strategy is if You Have Castled Do Not Permit the Opponent to Open a File on Your King.

* A good chess strategy is to Avoid Pinning the Opponent’s King’s Knight before He has Castled, Especially When You Have Yourself Castled on the King’s Side.

* A good chess strategy is to Avoid Making Exchanges which Develop Another Piece for the Opponent.

It might be thought that the wisdom of this last principle was self-evident, but many beginners constantly disregard it. If, however, the piece which is developed by the capture is the Queen, compensation for the loss of balance in the development of the forces may be obtained by attacking the adverse Queen, which should not, as a rule, be brought too early into action.

* A good chess strategy is to Avoid Exchanging Bishops for Knights Early in the Game.

We have seen that in the early stages of a game the Bishops have a longer range than the Knights, so it is clearly advisable to keep them in the field as long as possible. The disparity between the two pieces gradually tapers off as the game progresses, until in the End Game the Knight is frequently more powerful than the Bishop because its action is not limited to one color of square as is that of the Bishop.

* A good chess strategy is to Avoid Premature Attacks.

It is probable that more games are lost by beginners through disregard of this principle than from any other cause. An attack should never be launched until there is sufficient force in the field to carry it to a successful conclusion, and a premature attack almost inevitably recoils on the head of the attacker. The following is a classic example of the result of violation of some of the foregoing principles, and the position brought about may be reached in a number of different ways.

White Black

1.e4 e5

2.Nf3 Nc6

3.Bc4 Nf6

4.0-0 Bc5

5.d3 d6

6.Bg5 h6

White’s 6th move clearly violates the principle of avoiding the pin of the adverse King’s Knight before Castling, and after he himself has Castled on the King’s side. If instead of retreating the Bishop after Black’s 6th move, he takes the Knight, it is evident that he will violate another principle, for after 7...gxf6, Black will have a open file for his Rook, bearing directly on White’s King.

7.Bh4 g5

8.Bg3 h5

White’s game is now as good as lost. He is threatened with the loss of his Bishop by 9...h4, and if he plays 9.h3 to make an opening for it, 9...g4 by Black will perforce open a file for Black’s menacing and powerful King’s Rook.

9.Nxg5 h4

With all his forces ready for an onslaught on the White King, Black ignores the threat of 10.Nxf7, attacking his Queen.

10.Nxf7 hxg3

11.Nxd8 Bg4

12.Qd2 Nd4

Now play as he may, White cannot escape from disaster.

13.Nc3 Nf3+

14.gxf3 Bxf3

Black Mates in a move or two.

White cannot escape the consequences of his ill-advised Opening by playing as his 13th move 13.h3, as Black’s reply will be 13...Ne2+ 14.Kh1, then Black plays 14...Rxh3+, and after 15.gxh3 Bf3# Mates.

If, instead of moving his King, White at Move 14 in this variation plays 14.Qxe2, then 14...Bxe2 will leave Black a piece to the good with a winning position.

* A good chess strategy is Seeking a Weak Spot in Opponent’s Position.

Suppose that both sides have developed their game without disregarding any of the foregoing principles, and that the stage of the Middle Game has been reached, sooner or later one of the players makes a doubtful move which weakens his position, and success in Chess, in a great measure, depends upon the ability of the opponent to detect this weakness, and then take full advantage of it.

It is only by experience derived from assiduous practice and observation that players acquire the knowledge which is requisite to enable them accurately to gauge a weakness in the opponent’s position, and the only assistance we can render is to give some examples, taken from games actually played, and demonstrate the weak points in the positions, and how advantage was taken of them. In order that the reader may derive the greatest possible benefit from these examples, he should always set up the pieces from the various diagrams, and, before consulting the text, endeavor to find out whether White or Black has the better position, what weakness exists, and finally how to direct the attack on that weakness. It will be practically useless merely to set up the position and then proceed right away to play the moves that are given.

This position was reached in a game between Johner and Marshall at the International Tournament at Pestyen, in 1912. A cursory examination might lead to the conclusion that as White has a pawn to the good, and Black’s c-pawn is weak and unsupported, the position is favorable to White, but White cannot play 1.Rxc5 without losing the game.

White Black

1.Rxc5 Ne2+

2.Kh2 (best) Qf4+

3.g3 Nxg3

It is clear that White’s position is hopeless.

There is, however, a great weakness in White’s position, inasmuch as he is defending his Bishop with his Queen, which, with all the open files at his disposal, is a fine target for Black’s Rooks. The following moves indicate how swiftly and inexorably Black availed himself of this weakness.

Black1.Kh2 Rfd82.Qe4 Re83.Qd5 Re5 Resigns

White resigns, because if he plays 4.Qd7 to protect his Bishop, Black will play 4...Re7 again attacking the Queen and the Bishop is lost.

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