added long centipede with chance moving twice at the root; commented out the imperfect recall example

Author: d-kad

tests/test_rsf.py

@@ -127,6 +127,33 @@
                 ),
             ],
         ),
+        # 2-player long centipede game with chance playing at the root twice
+        (
+            games.read_from_file("cent3.efg"),
+            [
+                ["1**111", "21*111", "221111", "222111"],
+                ["1**111", "21*111", "221111", "222111"],
+            ],
+            [
+                np.array(
+                    [
+                        ["20027/25000", "5081/6250", "2689/3125", "163/125"],
+                        ["541/1250", "19931/6250", "10114/3125", "92/25"],
+                        ["3299/6250", "5362/3125", "39814/3125", "1648/125"],
+                        ["227/250", "262/125", "856/125", "256/5"],
+                    ]
+                ),
+                np.array(
+                    [
+                        ["2689/12500", "3283/12500", "5659/12500", "163/500"],
+                        ["3983/2500", "2677/3125", "3271/3125", "23/25"],
+                        ["5053/3125", "19903/3125", "10696/3125", "412/125"],
+                        ["214/125", "808/125", "3184/125", "64/5"],
+                    ]
+                ),
+            ],
+        ),
+
         # N A T U R E
         # Myerson 2-card poker; game with chance playing at the root
         (
@@ -155,16 +182,16 @@
                 np.array([[-1, -1, 2, 2], [3, 4, 3, 4]]),
             ],
         ),
-        # I M P E R F E C T   R E C A L L
+        # I M P E R F E C T   R E C A L L --- commented out in the test suite
         # Wichardt (2008): binary tree of height 3; 2 players; the root player forgets the action
-        (
-            games.read_from_file("wichardt.efg"),
-            [["11", "12", "21", "22"], ["1", "2"]],
-            [
-                np.array([[1, -1], [-5, -5], [-5, -5], [-1, 1]]),
-                np.array([[-1, 1], [5, 5], [5, 5], [1, -1]]),
-            ],
-        ),
+        # (
+        #    games.read_from_file("wichardt.efg"),
+        #    [["11", "12", "21", "22"], ["1", "2"]],
+        #    [
+        #        np.array([[1, -1], [-5, -5], [-5, -5], [-1, 1]]),
+        #        np.array([[-1, 1], [5, 5], [5, 5], [1, -1]]),
+        #    ],
+        # ),
     ],
 )
 def test_reduced_strategic_form(