Chess – Knowledge Base Psychic Game

Chess is a two-player strategy board game played on a checkered board with 64 squares arranged in an 8×8 square grid. Played by millions of people worldwide, chess is believed to be derived from the Indian game chaturanga sometime before the 7th century.

Why is Chess so popular?

To get to the bottom of the problem, I decided to read the book The Immortal Game – A history of chess by David Shenk. What I learned from the book was that we don’t know for certain when people began to play chess. What the author has found is that we began to play some kind of chess about 1400 years ago. The rules have changed during these 1400 years (it’s said the reason why the queen is so powerful was because the powerful Isabella I of Spain wanted the piece to reflect herself) but the basic game is the same. Other celebrities who are known chess players include Benjamin Franklin and Arnold Schwarzenegger, who had a permanent chess table in his movie set trailer.

While reading I found it interesting so thought why not share thoughts among all:


You need a strong psychology to play chess. “The game is often as much about demolishing your opponent’s will and self-esteem as it is about implementing a superior strategy.”

It’s easy to learn how to play chess. “The pieces and moves are elementary enough for any five-year-old to quickly soak up.”

You always play a new game of chess. “The board combinations are so vast that all the possible chess games could never be played – or even known – by a single person.”

You can’t bluff like you can in a poker game because nothing is hidden and you can’t win because you’re lucky. “In a critical departure from previous board games from the region, these games contained no dice or other instruments of chance. Skill alone determined the outcome.”

You can learn something while you’re playing chess. Chess improves a person’s:

Foresight – looking ahead to the long-term consequences of any action

Circumspection – surveying the entire scene, observing hidden dynamics and unseen possibilities

Caution – avoiding haste and unnecessary blunders


Perseverance – refusing to give up in dim circumstances, continually pushing to improve one’s position


Basic rules
Chess is a two-player game, where one player is assigned white pieces and the other black. Each player has 16 
pieces to start the game: one king, one queen, two rooks, two bishops, two knights and eight pawns.
Aim of the game
The object of the game is to capture the other player’s king. This capture is never actually completed, but once a king is under attack and unable to avoid capture, it is said to be 
checkmated and the game is over.
Start of the game
The game is started in the position shown below on a chess board consisting of 64 squares in an 8×8 grid. The White player moves first. Then each player takes a single turn. In fact, a player must move in turn. In other words a move cannot be skipped.

Playing the game
A move consists of placing one piece on a different square, following the rules of 
movement for that piece.
A player can take an opponent’s piece by moving one of his or her own pieces to the square that contains an opponent’s piece. The opponent’s piece is removed from the board and is out of play for the rest of the game.

If a King is threatened with capture, but has a means to escape, then it is said to be in check. A King cannot move into check, and if in check must move out of check immediately. There are three ways you may move out of check:

  • Capture the checking piece
  • Block the line of attack by placing one of your own pieces between the checking piece and the King. (Of course, a Knight cannot be blocked.)
  • Move the King away from check.

The primary objective in chess is to checkmate your opponent’s King. When a King cannot avoid capture then it is checkmated and the game is immediately over.

The game is drawn when the player to move has no legal move and his king is not in check. The game is said to end in ‘stalemate’. This immediately ends the game.

Time control
A regular chess clock is used to limit the length of a game. These clocks count the time that each player separately takes for making his own moves. The rules are very simple, if you run out of time, you lose the game, and thus must budget your time.


Special moves

If the necessary conditions are met, a king and rook can move simultaneously in a castling move. The conditions are as follows:

  • The king that makes the castling move has not yet moved in the game.
  • The rook that makes the castling move has not yet moved in the game.
  • The king is not in check
  • The king does not move over a square that could be attacked by an enemy piece; i.e., when castling, there may be no enemy piece that can move (diagonally, in the case of pawns) to a square that will be passed over by the king. In short, you cannot castle through check.
  • The king does not move to a square that could be attacked by an enemy piece; i.e., you may not end the castling with the king in check.
  • All squares between the rook and king before the castling move must be empty.

When castling, the king moves two squares toward the rook, and the rook moves over the king to the next square; i.e., white’s king on e1 and rook on a1 move to: king c1, rook d1 (long castling); white’s king on e1 and rook on h1 move to: king g1, rook f1 (short castling). The move is similar for black.

En Passant
A pawn, attacking a square crossed by an opponent’s pawn which has [just] been advanced two squares in one move from its original square, may capture this opponent’s pawn as though the latter had been moved only one square. This capture may only be made in [immediate] reply to such an advance, and is called an “en passant” capture.

Pawn promotion
On reaching the last rank, a pawn must immediately be exchanged, as part of the same move, for [either] a queen, a rook, a bishop, or a knight, of the same colour as the pawn, at the player’s choice and without taking into account the other pieces still remaining on the chessboard. The effect of the promoted piece is immediate and permanent!

End of the game

The game is won by the player

  • who has checkmated his opponent’s king.
  • whose opponent declares he resigns.

The game is drawn when the king of the player who has the move is not in check, and this player cannot make any legal move. The player’s king is then said to be “stalemated”. This immediately ends the game.
The game is drawn upon agreement between the two players.
The game is drawn when one of the following endings arises:

  • king against king;
  • king against king with only bishop or knight;
  • king and bishop against king and bishop, with both bishops on diagonals of the same colour.

The player to move can claim a draw if

  • the same position with the same player to move is repeated three times in the game
  • there are have been 50 consecutive moves of white and of black without
    • any piece taken
    • any pawn move

The game is lost by a player who has not completed the prescribed number of moves in the allotted time, unless his opponent has only the king remaining, in which case the game is drawn.



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