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+# 1159  Market Analysis II
+
+# Write your MySQL query statement below
+WITH CTE as (
+select o.order_date,o.item_id,o.seller_id, i.item_brand, row_number() over(partition by seller_id order by order_date) as 'num' from Orders o right join Items i on o.item_id=i.item_id
+)
+
+select u.user_id, c.order_date,c.item_id, c.seller_id, c.item_brand, u.favorite_brand as 'f_b' from cte c right join Users u on c.seller_id = u.user_id where num =2; 
+
+
+# 1194 Tournament Winners
+
+
+WITH CTE AS (
+    SELECT first_player AS id, first_score AS score FROM Matches
+    UNION ALL
+    SELECT second_player AS id, second_score AS score FROM Matches
+),
+C2 AS (
+    SELECT 
+        c.id, 
+        SUM(c.score) AS total_score, 
+        p.group_id,
+        RANK() OVER (PARTITION BY p.group_id ORDER BY SUM(c.score) DESC, c.id ASC) AS rnk
+    FROM CTE c 
+    JOIN Players p ON p.player_id = c.id 
+    GROUP BY c.id, p.group_id
+)
+SELECT 
+    group_id AS GROUP_ID, 
+    MIN(id) AS PLAYER_ID
+FROM C2 
+WHERE rnk = 1 
+GROUP BY group_id;
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