hi neil. if this is any help with your higher wts analysis.pc contribution of runners by pc of winners.55kg to 59kg = 2.7pc of runs =4.8pc of wins/ 59.5 to60.5 =0.4 pc of runs=o.7 pc of wins.confirming that higher wt horses are the best betting medium.of those carrying 55kg or more account for 36.5pc of runners but provide 50.6pc of winners. hope that eases the way a little with the anaylisis.