olga chessa

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olgachessa
olgachessa
Location: Argentina
Joined: 10/16/12
Last Online: 10/16/14
Points: 2 points
OlgaChessa21
OlgaChessa21
Location: Buenos Aires, Argentina
Joined: 10/12/11
Last Online: 10/20/14
Points: 2 points

  • Mathematics and chess

    • 1109 Reads
    • | 1109 Reads

    The number of possible chess positions after White’s first ply move is 20 (16 pawn moves and 4 knight moves).  There are 400 possible chess positions after two ply moves (first ply move for White followed by first ply move for Black).  Th... Read More »

  • Shannon number

    • 0 Reads
    • | 0 Reads

    "Shannon number" is the number for the upper bound of possible chess games for Random chess. This includes some illegal positions (e.g., pawns on the first rank, both kings in check, both bishops on the same colour ... ). ·        ... Read More »

  • Mason, James

    • 1 Read
    • | 1 Read

    James Mason (born Patrick Dwyer?) was born in Kilkenny, Ireland on November 19, 1849.  The family moved to New Orleans in 1861, then to New York.  At the age of 11, his name was changed to avoid prevalent anti-Irish prejudice in America.  In ... Read More »

  • Rubtsova, Olga

    • 1 Read
    • | 1 Read

    Olga Rubtsova was born on August 20, 1909 in Moscow.  She became an International woman grandmaster in 1976.  She was the first USSR Women’s champion when she won the event in 1931.  She also won the event in 1937 and 1949.&nb... Read More »

  • Menchik-Stevenson, Vera

    • 3 Reads
    • | 3 Reads

    Vera Menchik-Stevenson (1906-1944) was the World Woman Chess Champion from 1927 to 1944.   Vera Menchik defended her title six times, scoring 78 wins, 4 draws, and only 1 loss.  In 1927 she won the first Women's World Chess... Read More »