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diff --git a/data/help/blitz b/data/help/blitz new file mode 100644 index 0000000..6fb9efc --- /dev/null +++ b/data/help/blitz @@ -0,0 +1,57 @@ + +blitz + + There are four types of regular (not wild or bughouse) chess played on this +chess server: Untimed, Lightning, Blitz and Standard. + + A game is "Blitz" if the expected duration of the game is between 3 and 15 +minutes per player. "Expected duration" is determined by a formula that takes +into account both the Start time and the Increment (Inc) value. Here is the +formula: + + Expected duration = (Start + Inc*2/3) + +Thus, a Blitz game is one that is expected to last between 3 and 15 minutes +for each player (or from 10 to 30 minutes combined). Lightning games are +those with expected durations less than 3 minutes per player, while Standard +games are those with expected durations more than 15 minutes per player. + + The following table shows the dividing lines between Blitz and Lightning on +the one hand and Blitz and Standard on the other hand. those two types of +matches. [Thanks to schwartzeer for the original calculations between Blitz +and Standard. :) ] + + Slowest Lightning Fastest Blitz Slowest Blitz Fastest Standard + ------------------------------------ ------------------------------------ + Mins Incr Mins Incr Mins Incr Mins Incr + ------------------------------------ ------------------------------------ + 0 4 0 5 0 22 0 23 + 1 2 1 3 1 20 1 21 + 2 1 2 2 2 19 2 20 + -------- 3 0 3 17 3 18 + 4 16 4 17 + 5 14 5 15 + 6 13 6 14 + 7 11 7 12 + 8 10 8 11 + 9 8 9 9 + 10 7 10 8 + 11 5 11 6 + 12 4 12 5 + 13 2 13 3 + 14 1 14 2 + -------- 15 0 + + For example, a game with a Start of 2 minutes will be Blitz if the Increment +is from 2 to 19; but it will be Lightning with an Inc of 0 or 1 and Standard +if the Inc is 20 or higher. + + You can list logged on users according to their Blitz ratings by typing "who +b" (by default, ratings in 'who' listings will be blitz unless you specifiy +otherwise). "Blitz" is also a variable that can be used in formulas in order +to screen match requests. + +See Also: formula lightning match standard untimed who + +[Last modified: December 25, 1995 -- Friar] + |