Website founded by Milan Velimirović in 2006 16:43 UTC ISC 2024      Headlines    Forum*    Fellows    Members    DL Archive    Links Username: Password: Remember me   Forgot your password? Click here! SIGN IN to create your account if you don't already have one. CHESS SOLVING Tournaments Rating lists 1-Apr-2024 B P C F		MatPlus.Net Forum General number of album points and title: how were these determined? and is there a function(curve)...   You can only view this page! Page: [Previous] [Next] 1 2 (21) Posted by Eugene Rosner [Wednesday, Aug 27, 2014 14:58] thank you Hauke(and by the way, nice pawn promotion reciprocal change in the recent Die Schwalbe original section!) the curve: y=ax^b +c the points: (12,2200) (25,2400) (70, 2500) thanks!   (Read Only) pid=12588 (22) Posted by Hauke Reddmann [Wednesday, Aug 27, 2014 18:59] That's even simpler because you have 3 data and 3 unknown. I solved for a and c and interpolated b to 2 sigfigs. This should suffice for all practical purposes :-) f(x)=-6800*x^(-1.2)+2540 f(12)=2195,f(25)=2397,f(70)=2498 f(0)=-infinity (you need 2.5 points to get even 0 ELO :-) f(infinity)=2540 (you won't get higher :-) Hauke   (Read Only) pid=12593 (23) Posted by Eugene Rosner [Wednesday, Aug 27, 2014 21:45] fascinating results Hauke, thanks so much. Not the best fitting curve obviously at the lower and higher ends(I'm sure Petko P. would not approve :-) ! And as others have already chimed in, leave well enough alone! Thanks again....   (Read Only) pid=12595 No more posts Page: [Previous] [Next] 1 2 MatPlus.Net Forum General number of album points and title: how were these determined? and is there a function(curve)...