Pattern recognition in chess – fork


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In chess, top players usually say that there are some tactical patterns which one should be able easily to recognize to become a strong player. That’s true indeed. For instance, there is a quote from a famous player:

The chief factor in chess skill is the storing of patterns in the mind, and the recognition of such patterns in actual play.

– C.J.S. Purdy

Purdy

So Remote chess academy recommend a good way of learning chess is to build a vocabulary of patterns to help us find the best moves on the board. The practice is like using flashcards to improve one’s mathematical skills or language vocabulary.

flashcards

True, the young chess player’s development starts with the growth of his/her tactical thinking, as most chess games are won through employing tactics. Tactics help you think ahead to recognize patterns and calculate to see how these patterns can work in your games.

Today, we’ll discuss a particular pattern – forks! 🙂

“What is a fork?”

fork

This is a tactic that any piece can deliver whereby a single move makes two separate threats at the same time – one of the most common tactical devices in chess.

Let me show you some examples:

Pieces in action

Diagram 1

diag-1

Black to move

1. Although it’s Black’s turn, he can’t keep his extra rook in the game. White’s last move e3-e4 forces one of the attacked units to be captured next move. This is how a humble pawn gets into action.

Diagram 2

diag-2

Black to move

2. The knight fork is perhaps the most deadly form of double attack. Note that both enemy pieces stand on the light-coloured square – that’s a warning sign to remember. White wins by capturing the queen after Black moves out of check (no way to interpose a knight check).

Diagram 3

diag-3

White to move

3. The above example shows the wonder of the bishop when the diagonals of its own colour are open. Black wins, as White cannot defend both threats – a check on the king and an attack against the undefended rook.

Diagram 4

diag-4

Black to move

4. The mighty rook attacks the loose minor pieces simultaneously along the fifth rank. White should win here, as there’s no means to save both units in one move.

Diagram 5

diag-5

Black to move

The queen is “star of double attacks“, as she can move in any diagonal direction, vertically (along a file) and horizontally (along a rank) in a wide-open board. She controls a large number of squares when unobstructed by other pieces and will snatch the black rook on White’s turn.

Diagram 6

diag-6

Black to move

6. The king forks enemy pieces on adjacent squares and saves the day. Black can save his knight by moving it to g3 but will leave the bishop unprotected; and so White captures next move – with no mating forces left – it’s a draw.

A fork is considered one of the fundamentals of all tactics, as it allows a player to impose his/her will on the opponent who can’t make two moves in a row to parry simultaneous threats.

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Find more details here: LINK

Now, let’s see if you can recognize such patterns on your own. 🙂

Try it yourself

Exercise 1: Level – Easy

Ex-1

White to move

Exercise 2: Level – Medium

Ex-2

White to move

Exercise 3: Level – Hard

Ex-3

Black to move

After calculating all possible variations, you can check the answers here: LINK

Bonus

Pieces and pebbles – This chess drill will help you notice and create forks (or double attacks) instantly.

bonus

You will be using pebbles to mark all squares that will simultaneously attack both knights (see diagram above as a sample), using the power of the pieces that act on a line (diagonal, rank and file).

The exercise will continue by moving the knights towards the centre of the board and finishes upon touching all the squares once (32 for each knight) or when the knights intersect at mid-board.

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