Don't update a challenge if the winner has been determined
Don't update a challenge if the winner has been determined

samuellinde/throneteki,cavnak/throneteki,gryffon/ringteki,jbrz/throneteki,jeremylarner/ringteki,gryffon/ringteki,jbrz/throneteki,DukeTax/throneteki,cryogen/gameteki,Antaiseito/throneteki_for_doomtown,jeremylarner/ringteki,cryogen/throneteki,cryogen/gameteki,ystros/throneteki,cavnak/throneteki,DukeTax/throneteki,cryogen/throneteki,samuellinde/throneteki,Antaiseito/throneteki_for_doomtown,jeremylarner/ringteki,gryffon/ringteki