The beginning chess position offers White twenty possible first moves. Of these, 1.e4, 1.d4, 1.Nf3, and 1.c4 are by far the most popular as these moves do the most to promote rapid development and control of the center.
https://en.wikipedia.org/wiki/Chess_opening
I did this graph based on 731,000 games played on the free internet chess server by players with rating above 2000 during the last 13 years with non-blitz time controls. The average length is 79 half moves, the mean is 70 and the mode is 51. There are also a lot of very short games due to people resigning early.
http://chess.stackexchange.com/questions/2506/what-is-the-average-length-of-a-game-of-chess
The Reti réti itself is characterized By white playing.1, nf3 fianchettoing one or both, bishops and not playing an early (d4 which would generally transpose into one of the.1 d4). Openings The'king S Indian (ATTACK) kia is a system of development That white may use in reply to almost Any black opening. moves
https://en.wikipedia.org/wiki/Chess_opening
Black has twenty possible responses to White's opening move. Many of these are mirror images of the most popular first moves for White, but with one less tempo. Defenses beginning with 1...c6 and 1...e6, often followed by the center thrust 2...d5, are also popular.
https://en.wikipedia.org/wiki/Chess_opening
To be precise, the number of distinct chess positions after moves for, 2, ... are 20, 400, 5362, 71852, 809896?, 9132484?, ... (Schwarzkopf 1994, OEIS A019319). The number of chess games that end in exactly moves (including games that mate in fewer than plies) for, 2, 3, ... are 20, 400, 8902, 197742, 4897256, 120921506, 3284294545, ... (OEIS A006494). Cunningham (1889) incorrectly found games and positions after the fourth move.
http://mathworld.wolfram.com/Chess.html
The average number of moves per game is around 38. I do not have access to my Mega Database 2012 (a database provided by Chessbase) at the moment, but I will post the average number of moves of approximately 5 million historical games when I open it. share | improve this answer.
http://chess.stackexchange.com/questions/2506/what-is-the-average-length-of-a-game-of-chess
If White opens with 1.Nf3, the game often becomes one of the d4 openings (closed games or semi-closed games) by a different move order (this is called transposition), but unique openings such as the Reti réti And'king S Indian attack are also. common
https://en.wikipedia.org/wiki/Chess_opening
Indeed, the 277 move game was played in a tournament on the Internet Chess Club. Oddly enough, I found that the average length of a game (played by humans) is roughly 40 moves. Based on the statistics provided by the Chessgames database (685,801) games, the average number of moves is 40.04.
http://chess.stackexchange.com/questions/2506/what-is-the-average-length-of-a-game-of-chess
Hardy (1999, p. 17) estimated the number of possible games of chess as. The number of possible games of 40 moves or less is approximately (Beeler et al.
http://mathworld.wolfram.com/Chess.html
A chess opening is the group of initial moves of a chess game. Recognized sequences of initial moves are referred to as openings by White, or defenses by Black, but opening is also used as the general term.
https://en.wikipedia.org/wiki/Chess_opening
number of moves in chess
The average number of moves per chess game is around 38. In chess, the average number of moves per game is around 38.