int want_shield = you.skills[SK_SHIELDS] + 10;
    int dont_shield = you.experience_level - want_shield + 20;
    if (dont_shield < 5)
        dont_shield = 5;
    // At XL 10, weapons of the handedness you want get weight *2, those of
    // opposite handedness 1/2, assuming your shields skill is respectively
    // 0 or equal to the experience level.  At XL 25 that's *3.5 .

        const int acqweight = property(item_considered, PWPN_ACQ_WEIGHT);

        int acqweight = property(item_considered, PWPN_ACQ_WEIGHT);

        if (hands_reqd(item_considered, you.body_size()) >= HANDS_TWO) // HANDS_DOUBLE > HANDS_TWO
            acqweight = acqweight * dont_shield / want_shield;
        else
            acqweight = acqweight * want_shield / dont_shield;