diff --git a/board2.py b/board2.py
new file mode 100644
index 0000000..302c839
--- /dev/null
+++ b/board2.py
@@ -0,0 +1,102 @@
+#!/usr/bin/env python
+from pos import TwoDPos
+
+class BoardTools:
+    def __init__(self):
+        pass
+
+    def winning(self, b):
+        for i in range(3):
+            if b[i][0] == b[i][1] == b[i][2]:
+                if b[i][0] != Board.unplayed:
+                    return b[i][0]
+            if b[0][i] == b[1][i] == b[2][i]:
+                if b[0][i] != Board.unplayed:
+                    return b[0][i]
+        if b[0][0] == b[1][1] == b[2][2]:
+            if b[0][0] != Board.unplayed:
+                return b[0][0]
+        if b[2][0] == b[1][1] == b[0][2]:
+            if b[2][0] != Board.unplayed:
+                return b[2][0]
+        return Board.unplayed
+
+class Board:
+    unplayed = 0
+    cross = 1
+    nought = 2
+
+    def __init__(self):
+        self.board = [
+                [
+                    [
+                        [Board.unplayed for i in range(3)]
+                        for j in range(3)
+                    ]
+                    for k in range(3)
+                ]
+                for l in range(3)
+        ]
+        self.moves = []
+        self.turn = Board.cross
+
+    def set(self, a, b, c, d, val):
+        self.board[a][b][c][d] = val
+
+    def get(self, a, b, c, d):
+        return self.board[a][b][c][d]
+
+    def alternate(self):
+        if self.turn == Board.cross:
+            self.turn = Board.nought
+        else:
+            self.turn = Board.cross
+
+    def subWin(self, x, y):
+        return BoardTools.winning(None, self.board[x][y])
+
+    def metaboard(self):
+        return [[BoardTools.winning(None, self.board[x][y]) for x in range(3)] for y in range(3)]
+
+    def win(self):
+        return BoardTools.winning(self.metaboard())
+
+    def append(self, move):
+        self.moves.append(move)
+        self.set(*move.local(), self.turn)
+        self.alternate()
+
+    def reachableEmpty(self):
+        metaboard = self.metaboard()
+        buf = []
+        for i in range(3):
+            for j in range(3):
+                if metaboard[i][j] == Board.unplayed:
+                    for k in range(3):
+                        for l in range(3):
+                            buf.append(TwoDPos(TwoDPos.l, (i, j, k, l)))
+    
+    def possible(self):
+        try:
+            move = self.moves[-1]
+        except IndexError:
+            buf = []
+            for i in range(3):
+                for j in range(3):
+                    for k in range(3):
+                        for l in range(3):
+                            buf.append(TwoDPos(TwoDPos.l, (i, j, k, l)))
+
+            return buf
+
+        local = move.local()
+        if self.subWin(local[0], local[1]):
+            return self.reachableEmpty()
+
+        buf = []
+        for i in range(3):
+            for j in range(3):
+                if self.board[local[2]][local[3]][i][j] == Board.unplayed:
+                    buf.append(TwoDPos(TwoDPos.l, (local[2], local[3], i, j)))
+
+        return buf
diff --git a/pos.py b/pos.py
index a82f2e8..e1671d7 100644
--- a/pos.py
+++ b/pos.py
@@ -28,9 +28,12 @@ class TwoDPos:
         elif mode == TwoDPos.l:
             self.pos = (
                     param[0] * 3 + param[2],
-                    param[1] * 3 + param[3] + 1,
+                    param[1] * 3 + param[3],
             )
 
+    def __repr__(self):
+        return ' '.join([self.glob(), str(self.local())])
+
     def glob(self):
         ret = []
         ret.append(TwoDUtils.reverse[self.pos[0]])