diff --git a/public/include/classes/statistics.class.php b/public/include/classes/statistics.class.php
index d368afe4..c9de9d24 100644
--- a/public/include/classes/statistics.class.php
+++ b/public/include/classes/statistics.class.php
@@ -104,7 +104,7 @@ class Statistics extends Base {
         b.*,
         a.username AS finder,
         a.is_anonymous AS is_anonymous,
-        ROUND((difficulty * POW(2, 32 - " . $this->coin->getTargetBits() . ")) / POW(2, (" . $this->config['difficulty'] . " -16)), 0) AS estshares
+        ROUND(difficulty * POW(2, 32 - " . $this->coin->getTargetBits() . "), 0) AS estshares
       FROM " . $this->block->getTableName() . " AS b
       LEFT JOIN " . $this->user->getTableName() . " AS a
       ON b.account_id = a.id
@@ -127,7 +127,7 @@ class Statistics extends Base {
         b.*,
         a.username AS finder,
         a.is_anonymous AS is_anonymous,
-        ROUND((difficulty * POW(2, 32 - " . $this->coin->getTargetBits() . ")) / POW(2, (" . $this->config['difficulty'] . " -16)), 0) AS estshares
+        ROUND(difficulty * POW(2, 32 - " . $this->coin->getTargetBits() . "), 0) AS estshares
       FROM " . $this->block->getTableName() . " AS b
       LEFT JOIN " . $this->user->getTableName() . " AS a 
       ON b.account_id = a.id
@@ -293,8 +293,8 @@ class Statistics extends Base {
     }
     $stmt = $this->mysqli->prepare("
       SELECT
-        ROUND(IFNULL(SUM(IF(our_result='Y', IF(difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), difficulty), 0)), 0) / POW(2, (" . $this->config['difficulty'] . " - 16)), 0) AS valid,
-        ROUND(IFNULL(SUM(IF(our_result='N', IF(difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), difficulty), 0)), 0) / POW(2, (" . $this->config['difficulty'] . " - 16)), 0) AS invalid
+        ROUND(IFNULL(SUM(IF(our_result='Y', IF(difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), difficulty), 0)), 0), 0) AS valid,
+        ROUND(IFNULL(SUM(IF(our_result='N', IF(difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), difficulty), 0)), 0), 0) AS invalid
       FROM " . $this->share->getTableName() . "
       WHERE UNIX_TIMESTAMP(time) > IFNULL((SELECT MAX(time) FROM " . $this->block->getTableName() . "), 0)");
     if ( $this->checkStmt($stmt) && $stmt->execute() && $result = $stmt->get_result() )
@@ -316,8 +316,8 @@ class Statistics extends Base {
     }
     $stmt = $this->mysqli->prepare("
       SELECT
-        ROUND(IFNULL(SUM(IF(our_result='Y', IF(s.difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), s.difficulty), 0)), 0) / POW(2, (" . $this->config['difficulty'] . " - 16)), 0) AS valid,
-        ROUND(IFNULL(SUM(IF(our_result='N', IF(s.difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), s.difficulty), 0)), 0) / POW(2, (" . $this->config['difficulty'] . " - 16)), 0) AS invalid,
+        ROUND(IFNULL(SUM(IF(our_result='Y', IF(s.difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), s.difficulty), 0)), 0), 0) AS valid,
+        ROUND(IFNULL(SUM(IF(our_result='N', IF(s.difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), s.difficulty), 0)), 0), 0) AS invalid,
         u.id AS id,
         u.donate_percent AS donate_percent,
         u.is_anonymous AS is_anonymous,
@@ -368,8 +368,8 @@ class Statistics extends Base {
     if ($data = $this->memcache->get(__FUNCTION__ . $account_id)) return $data;
     $stmt = $this->mysqli->prepare("
       SELECT
-        ROUND(IFNULL(SUM(IF(our_result='Y', IF(difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), difficulty), 0)), 0) / POW(2, (" . $this->config['difficulty'] . " - 16)), 0) AS valid,
-        ROUND(IFNULL(SUM(IF(our_result='N', IF(difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), difficulty), 0)), 0) / POW(2, (" . $this->config['difficulty'] . " - 16)), 0) AS invalid
+        ROUND(IFNULL(SUM(IF(our_result='Y', IF(difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), difficulty), 0)), 0), 0) AS valid,
+        ROUND(IFNULL(SUM(IF(our_result='N', IF(difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), difficulty), 0)), 0), 0) AS invalid
       FROM " . $this->share->getTableName() . "
       WHERE username LIKE ?
         AND UNIX_TIMESTAMP(time) >IFNULL((SELECT MAX(b.time) FROM " . $this->block->getTableName() . " AS b),0)");  
@@ -500,7 +500,7 @@ class Statistics extends Base {
     if ($this->getGetCache() && $data = $this->memcache->get(__FUNCTION__ . $account_id)) return $data;
     $stmt = $this->mysqli->prepare("
       SELECT
-        ROUND(IFNULL(SUM(IF(difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), difficulty)), 0) / POW(2, (" . $this->config['difficulty'] . " - 16)), 0) AS total
+        ROUND(IFNULL(SUM(IF(difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), difficulty)), 0), 0) AS total
       FROM " . $this->share->getTableName() . "
       WHERE username LIKE ?
       AND id > ?
@@ -603,7 +603,7 @@ class Statistics extends Base {
           a.username AS account,
           a.donate_percent AS donate_percent,
           a.is_anonymous AS is_anonymous,
-          ROUND(IFNULL(SUM(IF(s.difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), s.difficulty)), 0) / POW(2, (" . $this->config['difficulty'] . " - 16)), 0) AS shares
+          ROUND(IFNULL(SUM(IF(s.difficulty=0, POW(2, (" . $this->config['difficulty'] . " - 16)), s.difficulty)), 0), 0) AS shares
         FROM " . $this->share->getTableName() . " AS s
         LEFT JOIN " . $this->user->getTableName() . " AS a
         ON SUBSTRING_INDEX( s.username, '.', 1 ) = a.username