Chessopedia: Online Chess Encylopedia


  • Ratings

    • 52 Reads
    • | 52 Reads

    The first organization to adopt a numerical rating system was the Correspondence Chess League of America in 1933.  The first USCF rating list appeared in the November 20, 1950 issue of Chess Life.  Ken Harkness rated 2,306 players from e... Read More »

  • Pin

    • 52 Reads
    • | 52 Reads

    A pin is a chess fundamental, where a piece is immobolized because it stands between its king (or a more valuable piece) and an attacking enemy piece.   Pins often put the immobolized piece in danger of capture.  Read More »

  • Sicilian, Kan Variation

    • 49 Reads
    • | 49 Reads

    The Kan Variation of the Sicilian Defence arises after the moves 1 e4 c5 2 Nf3 e6 3 d4 cd4 4 Nd4 a6.  Black creates a bed of thorns with his pawns to prevent the invasion of white's knights. Read More »

  • Yugoslav Attack

    • 48 Reads
    • | 48 Reads

    The Yugoslav Attack is in the Sicilian Dragon and is one of main lines White can choose from.   In this Variation, both sides castle opposite sides which results in attacking!  Read More »

  • Cambridge-Oxford University Chess Club Match

    • 46 Reads
    • | 46 Reads

    Longest running annual match in chess.  The traditional series began in 1873 with the help of future world champion Wilhelm Steinitz (won by Oxford University 10-3).  The univerisities actually started playin in 1871, but the early matches were ... Read More »

  • Carlsen, Magnus

    • 44 Reads
    • | 44 Reads

    Magnus Carlsen, Norwegian child chess prodigy, was born Nov 30, 1990, and gained the Grandmaster title (2004) at the age of 13 years, 4 months and 27 days.   He became the 2nd youngest GM in chess history, behind only  Sergey Karjakin and Pari... Read More »

  • Malta

    • 43 Reads
    • | 43 Reads

    The first recorded chess game in Malta was in 1880.  Leone Benjacar wrote chess articles for the Daily Malta Chronicle in 1880 and created the Malta Chess Club.  The Maltese Chess Association was formed in 1923.   The first off... Read More »

  • Bronstein, David

    • 42 Reads
    • | 42 Reads

    David Ionovich Bronstein (1924-2006) was a Grandmaster (1950) and winner of the first, and strongest,  Interzonal in 1948 at Saltsjobaden  who survived an assassination attack during the tournament.  On the last day Bronstein was pl... Read More »

  • Algebraic notation

    • 41 Reads
    • | 41 Reads

    This article is about Algebric notation.First we will talk about what the pieces mean: K=king Q=queen R=rook B=bishop N=knight when pawns move,only the destination square is described. Here is an example of an opening with algebric notation... Read More »

  • Fedorowicz, John

    • 41 Reads
    • | 41 Reads

    John Peter Fedorowicz, born Sep 27, 1958, is an American Grandmaster (1986) who was U.S. Junior co-champion in 1977 and champion in 1978.  He won the U.S. Open in 1981 and the New York Open in 1989.  He took 3rd in the 1984 and the 1987 ... Read More »