PBR Season 13 Rewards

    exp = math.floor((math.log10(pokeyen) - math.log10(2000)) ** 1.3 * 390000)
    if exp:
        yield Reward("experience", exp)
    if rank >= 101:
        yield Reward("commonbadgecrate")
    elif rank >= 86:
        yield Reward("uncommonbadgecrate")
    elif rank >= 71:
        yield Reward("commonbadgecrate")
        yield Reward("uncommonbadgecrate")
    elif rank >= 61:
        yield Reward("commonbadgecrate", 2)
        yield Reward("uncommonbadgecrate")
    elif rank >= 51:
        yield Reward("commonbadgecrate")
        yield Reward("uncommonbadgecrate", 2)
    elif rank >= 41:
        yield Reward("commonbadgecrate")
        yield Reward("uncommonbadgecrate")
        yield Reward("gen3commoncrate")
    elif rank >= 36:
        yield Reward("commonbadgecrate", 2)
        yield Reward("uncommonbadgecrate")
        yield Reward("gen3commoncrate")
    elif rank >= 31:
        yield Reward("commonbadgecrate")
        yield Reward("uncommonbadgecrate", 2)
        yield Reward("gen3commoncrate")
    elif rank >= 26:
        yield Reward("commonbadgecrate", 2)
        yield Reward("uncommonbadgecrate", 2)
        yield Reward("gen3commoncrate")
    elif rank >= 21:
        yield Reward("commonbadgecrate", 3)
        yield Reward("uncommonbadgecrate", 2)
        yield Reward("gen3commoncrate")
    elif rank >= 18:
        yield Reward("uncommonbadgecrate")
        yield Reward("gen3commoncrate")
        yield Reward("rarebadgecrate")
    elif rank >= 15:
        yield Reward("commonbadgecrate")
        yield Reward("uncommonbadgecrate")
        yield Reward("gen3commoncrate")
        yield Reward("rarebadgecrate")
    elif rank >= 13:
        yield Reward("uncommonbadgecrate", 2)
        yield Reward("gen3commoncrate")
        yield Reward("rarebadgecrate")
    elif rank >= 11:
        yield Reward("commonbadgecrate")
        yield Reward("uncommonbadgecrate", 2)
        yield Reward("gen3commoncrate")
        yield Reward("rarebadgecrate")
    elif rank == 10:
        yield Reward("commonbadgecrate")
        yield Reward("uncommonbadgecrate")
        yield Reward("rarebadgecrate")
        yield Reward("gen3uncommoncrate")
    elif rank == 9:
        yield Reward("uncommonbadgecrate", 2)
        yield Reward("rarebadgecrate")
        yield Reward("gen3uncommoncrate")
    elif rank == 8:
        yield Reward("commonbadgecrate")
        yield Reward("uncommonbadgecrate", 2)
        yield Reward("rarebadgecrate")
        yield Reward("gen3uncommoncrate")
    elif rank == 7:
        yield Reward("uncommonbadgecrate", 3)
        yield Reward("rarebadgecrate")
        yield Reward("gen3uncommoncrate")
    elif rank == 6:
        yield Reward("commonbadgecrate")
        yield Reward("uncommonbadgecrate", 3)
        yield Reward("rarebadgecrate")
        yield Reward("gen3uncommoncrate")
    elif rank == 5:
        yield Reward("uncommonbadgecrate", 2)
        yield Reward("rarebadgecrate")
        yield Reward("gen3rarecrate")
    elif rank == 4:
        yield Reward("commonbadgecrate")
        yield Reward("uncommonbadgecrate", 2)
        yield Reward("rarebadgecrate")
        yield Reward("gen3rarecrate")
    elif rank == 3:
        yield Reward("rarebadgecrate")
        yield Reward("gen3rarecrate")
        yield Reward("gen4-7badgecrate")
    elif rank == 2:
        yield Reward("commonbadgecrate")
        yield Reward("rarebadgecrate")
        yield Reward("gen3rarecrate")
        yield Reward("gen4-7badgecrate")
    elif rank == 1:
        yield Reward("uncommonbadgecrate")
        yield Reward("rarebadgecrate")
        yield Reward("gen3rarecrate")
        yield Reward("gen4-7badgecrate")