diff --git a/src/pegp/board.d b/src/pegp/board.d
index 97031a9..e35df80 100644
--- a/src/pegp/board.d
+++ b/src/pegp/board.d
@@ -75,6 +75,31 @@ class Board
         return peg_present(p.row, p.col);
     }
 
+    void remove_peg(Position p)
+    {
+        m_pegs[peg_index(p.row, p.col)] = false;
+    }
+
+    void add_peg(Position p)
+    {
+        m_pegs[peg_index(p.row, p.col)] = true;
+    }
+
+    Board move(Position p, Direction d)
+    {
+        Position p1 = p.move(d, 1);
+        Position p2 = p.move(d, 2);
+        if (peg_present(p) && position_valid(p2) && peg_present(p1) && !peg_present(p2))
+        {
+            Board b2 = new Board(this);
+            b2.remove_peg(p);
+            b2.remove_peg(p1);
+            b2.add_peg(p2);
+            return b2;
+        }
+        return null;
+    }
+
     unittest
     {
         Board b = new Board(5);
@@ -121,5 +146,14 @@ class Board
         assert(!b.position_valid(s.move(Direction.E, 2)));
         assert(b.position_valid(s.move(Direction.SW, 2)));
         assert(b.position_valid(s.move(Direction.SE, 2)));
+
+        Board b2;
+        b2 = b.move(Position(0, 0), Direction.SW);
+        assert(b2 is null);
+        b2 = b.move(Position(2, 0), Direction.NE);
+        assert(b2 !is null);
+        assert(!b2.peg_present(2, 0));
+        assert(!b2.peg_present(1, 0));
+        assert(b2.peg_present(0, 0));
     }
 }