Author: John Robertson
Date: 20:21:44 06/23/02
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On June 23, 2002 at 20:55:26, Mike S. wrote: >On June 23, 2002 at 15:19:33, John Robertson wrote: > >>How do you get "game results statistics" with a chess database system? > >In ChessBase 7.0 (probably very similar to ChessBase Light) it's easy: > >In the games list of the complete database, *or* in any search/filter result, >just press the *statistics button* (looks like a little bar chart). Then, choose >"game information". This brings exactly the infos you listed below, and in >addition to that (if some of the games contain elo numbers), the number of rated >games, opp. elo average and elo performce for white and black. > >(The same button in the *players index* creates another type of statistics: >results per opponent, per tournament, and percentage per ECO opening, for the >player.) > >According to a CB 6.0 manual, it had that statistics already. So, ChessBase >light has them most probably too (it's based on CB 6.0). Maybe the button looks >a bit different. > >The opening report is more for the research of particular opening variations >(some statistics, but also references to example games, typical move >sequences...). > >Regards, >M.Scheidl > >>--total number of games in the (filtered) list >>--number of games won by white, and the percentage of total >>--number of games drawn, and the percentage of total >>--number of games won by black, and the percentage of total >>--white's expectation = white's percentage + half of the draw percentage Your reply and information was very helpful. Thank you! With the benefit of your advice, I believe that I now understand it -- which is a major hurdle for me as a beginner with chess databases! Now I must write it down below, so I'll have a record, and can refer to it in future if necessary. With Chessbase Light... (1) In a games list for a database, when I press the statistics button (a little barchart icon in the horizontal toolbar at the bottom), it brings up a little popup window titled Statistics. In that popup Statistics window, there are radio buttons to select either Game Information or Piece Probability, and enter a player's name. If I select Game Information, enter a player's name, then click OK, it gives statistics for that player's games from the list. But if I leave the player's name blank, it gives statistics for all of the games in that list. It's dubbed "Elo-%" on the button which appears at the bottom of the statistics window titled "Clpboard". So the list for the statistics is transferred to the Clpboard in the process (apparently). This appears to be the main method of getting statistics in Chessbase Light. It shows (in an example list containing 55 games): Total games: 55 1-0 21 games = 46% total: 57% ½-½ 10 games = 21% 0-1 15 = 33% total: 43% That's exactly what I was looking for! (2) Or if I goto a position on the chessboard in a game, select "Search board position" (Shift-F7) from the Game menu, that generates a list of games with that position. Then the above operation as in (1) works to generate statistics for the position. I just have to be sure to leave the player's name blank. (3) Or if I select Search Games (Alt-M) from the Database menu and choose various criteria for a search (a "filter"), that generates a list of games meeting the selected criteria. Then, once again the method in (1) above gives the desired statistics for that list. Again, I appreciate your kind help. Problem solved! I presume that I can probably do the same sort of thing in Scid, now that I know how it's supposed to work. That's the problem with us beginners, we really have no idea how things are supposed to work -- until after we see it work once... JR
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