yep

Shogi.Database/Session/Stored Procedures/CreateBoardState.sql

@@ -1,16 +0,0 @@
-CREATE PROCEDURE [dbo].[CreateBoardState]
-	@boardStateDocument NVARCHAR(max),
-	@sessionName NVARCHAR(100)
-AS
-BEGIN
-
-SET NOCOUNT ON
-
-INSERT INTO [session].[BoardState] (Document, SessionId)
-	SELECT 
-		@boardStateDocument, 
-		Id
-	FROM [session].[Session]
-	WHERE [Name] = @sessionName;
-
-END

Shogi.Database/Session/Stored Procedures/CreateSession.sql

@@ -1,6 +1,7 @@
 CREATE PROCEDURE [session].[CreateSession]
-	@InitialBoardStateDocument [session].[JsonDocument],
-	@Player1Name [user].[UserName]
+	@Name [session].[SessionName],
+	@Player1Name [user].[UserName],
+	@InitialBoardStateDocument [session].[JsonDocument]
 AS
 BEGIN
 	SET NOCOUNT ON