gistfile1.php

/**
 * Show WP-PostRatings dislikes for a post
 *
 * For use with a +1 and -1 system
 *
 */
function ac_get_post_dislikes() {

	global $post;

	$ratings_users = intval( get_post_meta( $post->ID, 'ratings_users', true) );
	$ratings_score = intval( get_post_meta( $post->ID, 'ratings_score', true) );

	$post_dislikes = ( $ratings_users - $ratings_score ) / 2;

	return $post_dislikes;

}