Actually, I don't this cock bird is all that bad, and I think he has a pretty good curve from the breast unto his underbelly. Also, I thin his comb and colors are pretty good. There might be an issue with the light gray or white at the base of the tail, but I can't really tell how much of an issue that might be from this once picture. A superior breeder in The Netherlands told me that the Welsummer cock birds should be bred only at their second year to fight the white, and NEVER allow any hen with the least speck of white into the breeding pen.
I have tried to fight both the white in the plumage and the pale yellow legs, and I think it's quite a challenge.
Lastly, and this is MY OPINION ONLY, I see too many birds with a poor back angle. Some of the top scoring birds have backs sloping way to much toward the tail set; the APA standard should inform serious breeders of this issue as well as the FAR TOO LOW TAIL ANGLE of some of the birds place in championship rows. We are NOT breeding to the German/EU standard, but to the APA standard, which is more in keeping with that of The Netherlands and the UK.