diff --git a/src/ui/flutter_app/lib/mill/recorder.dart b/src/ui/flutter_app/lib/mill/recorder.dart
index f47d121d..57eb7c7b 100644
--- a/src/ui/flutter_app/lib/mill/recorder.dart
+++ b/src/ui/flutter_app/lib/mill/recorder.dart
@@ -38,7 +38,7 @@ class GameRecorder {
     _history = newHistory;
   }
 
-  String parseWmdNotation(String wmd) {
+  String wmdNotationToMoveString(String wmd) {
     String move = "";
 
     if (wmd.length == 3 && wmd[0] == "x") {
@@ -66,7 +66,97 @@ class GameRecorder {
     return move;
   }
 
+  String playOkNotationToMoveString(String playOk) {
+    String move = "";
+
+    if (playOk.length == 0) {
+      return "";
+    }
+
+    var iDash = playOk.indexOf('-');
+    var iX = playOk.indexOf('x');
+
+    if (iDash == -1 && iX == -1) {
+      // 12
+      var val = int.parse(playOk);
+      if (val >= 1 && val <= 24) {
+        move = playOkNotationToMove[playOk]!;
+        return move;
+      } else {
+        print("$tag Parse PlayOK notation $playOk failed.");
+        return "";
+      }
+    }
+
+    if (iX == 0) {
+      // x12
+      var sub = playOk.substring(1);
+      var val = int.parse(sub);
+      if (val >= 1 && val <= 24) {
+        move = "-" + playOkNotationToMove[sub]!;
+        return move;
+      } else {
+        print("$tag Parse PlayOK notation $playOk failed.");
+        return "";
+      }
+    }
+    if (iDash != -1 && iX == -1) {
+      // 12-13
+      var sub1 = playOk.substring(0, iDash);
+      var val1 = int.parse(sub1);
+      if (val1 >= 1 && val1 <= 24) {
+        move = playOkNotationToMove[sub1]!;
+      } else {
+        print("$tag Parse PlayOK notation $playOk failed.");
+        return "";
+      }
+
+      var sub2 = playOk.substring(iDash + 1);
+      var val2 = int.parse(sub2);
+      if (val2 >= 1 && val2 <= 24) {
+        move = move + "->" + playOkNotationToMove[sub2]!;
+        return move;
+      } else {
+        print("$tag Parse PlayOK notation $playOk failed.");
+        return "";
+      }
+    }
+
+    print("$tag Not support parsing format oo-ooxo PlayOK notation.");
+    return "";
+  }
+
+  bool isPlayOkMoveList(String text) {
+    if (text.length >= 4 &&
+        text.substring(0, 3) == "1. " &&
+        int.tryParse(text.substring(3, 4)) != null) {
+      return true;
+    }
+
+    if (text[0] == '[') {
+      return true;
+    }
+
+    return false;
+  }
+
+  bool isPlayOkNotation(String text) {
+    if (int.tryParse(text.substring(3, 4)) != null) {
+      return true;
+    }
+
+    return false;
+  }
+
+  String playOkToWmdMoveList(String playOk) {
+    return "";
+  }
+
   String import(String moveList) {
+    if (isPlayOkMoveList(moveList)) {
+      return importPlayOk(moveList);
+    }
+
     List<Move> newHistory = [];
     List<String> list = moveList
         .toLowerCase()
@@ -104,14 +194,14 @@ class GameRecorder {
       if (i.length > 0 && !i.endsWith(".")) {
         if (i.length == 5 && i[2] == 'x') {
           // "a1xc3"
-          String m1 = parseWmdNotation(i.substring(0, 2));
+          String m1 = wmdNotationToMoveString(i.substring(0, 2));
           if (m1 != "") {
             newHistory.add(Move(m1));
           } else {
             print("Cannot import $i");
             return i;
           }
-          String m2 = parseWmdNotation(i.substring(2));
+          String m2 = wmdNotationToMoveString(i.substring(2));
           if (m2 != "") {
             newHistory.add(Move(m2));
           } else {
@@ -120,14 +210,14 @@ class GameRecorder {
           }
         } else if (i.length == 8 && i[2] == '-' && i[5] == 'x') {
           // "a1-b2xc3"
-          String m1 = parseWmdNotation(i.substring(0, 5));
+          String m1 = wmdNotationToMoveString(i.substring(0, 5));
           if (m1 != "") {
             newHistory.add(Move(m1));
           } else {
             print("Cannot import $i");
             return i;
           }
-          String m2 = parseWmdNotation(i.substring(5));
+          String m2 = wmdNotationToMoveString(i.substring(5));
           if (m2 != "") {
             newHistory.add(Move(m2));
           } else {
@@ -136,7 +226,7 @@ class GameRecorder {
           }
         } else {
           // no x
-          String m = parseWmdNotation(i);
+          String m = wmdNotationToMoveString(i);
           if (m != "") {
             newHistory.add(Move(m));
           } else {
@@ -154,6 +244,59 @@ class GameRecorder {
     return "";
   }
 
+  String importPlayOk(String moveList) {
+    List<Move> newHistory = [];
+
+    List<String> list = moveList
+        .replaceAll('\n', ' ')
+        .replaceAll(' 1/2-1/2', '')
+        .replaceAll(' 1-0', '')
+        .replaceAll(' 0-1', '')
+        .replaceAll('TXT', '')
+        .split(' ');
+
+    for (var i in list) {
+      i = i.trim();
+
+      if (i.length > 0 &&
+          !i.endsWith(".") &&
+          !i.startsWith("[") &&
+          !i.endsWith("]")) {
+        var iX = i.indexOf('x');
+        if (iX == -1) {
+          String m = playOkNotationToMoveString(i);
+          if (m != "") {
+            newHistory.add(Move(m));
+          } else {
+            print("Cannot import $i");
+            return i;
+          }
+        } else if (iX != -1) {
+          String m1 = playOkNotationToMoveString(i.substring(0, iX));
+          if (m1 != "") {
+            newHistory.add(Move(m1));
+          } else {
+            print("Cannot import $i");
+            return i;
+          }
+          String m2 = playOkNotationToMoveString(i.substring(iX));
+          if (m2 != "") {
+            newHistory.add(Move(m2));
+          } else {
+            print("Cannot import $i");
+            return i;
+          }
+        }
+      }
+    }
+
+    if (newHistory.length > 0) {
+      setHistory(newHistory);
+    }
+
+    return "";
+  }
+
   void jumpToHead() {
     cur = 0;
   }
diff --git a/src/ui/flutter_app/lib/mill/types.dart b/src/ui/flutter_app/lib/mill/types.dart
index a0bc4022..b2c0ab85 100644
--- a/src/ui/flutter_app/lib/mill/types.dart
+++ b/src/ui/flutter_app/lib/mill/types.dart
@@ -397,4 +397,64 @@ Map<String, String> wmdNotationToMove = {
 Map<String, String> moveToWmdNotation =
     wmdNotationToMove.map((k, v) => MapEntry(v, k));
 
+Map<String, String> wmdToPlayOkNotation = {
+  "a7": "1",
+  "d7": "2",
+  "g7": "3",
+  "b6": "4",
+  "d6": "5",
+  "f6": "6",
+  "c5": "7",
+  "d5": "8",
+  "e5": "9",
+  "a4": "10",
+  "b4": "11",
+  "c4": "12",
+  "e4": "13",
+  "f4": "14",
+  "g4": "15",
+  "c3": "16",
+  "d3": "17",
+  "e3": "18",
+  "b2": "19",
+  "d2": "20",
+  "f2": "21",
+  "a1": "22",
+  "d1": "23",
+  "g1": "24",
+};
+
+Map<String, String> playOkToWmdNotation =
+    wmdToPlayOkNotation.map((k, v) => MapEntry(v, k));
+
+Map<String, String> playOkNotationToMove = {
+  "8": "(1,1)",
+  "9": "(1,2)",
+  "13": "(1,3)",
+  "18": "(1,4)",
+  "17": "(1,5)",
+  "16": "(1,6)",
+  "12": "(1,7)",
+  "7": "(1,8)",
+  "5": "(2,1)",
+  "6": "(2,2)",
+  "14": "(2,3)",
+  "21": "(2,4)",
+  "20": "(2,5)",
+  "19": "(2,6)",
+  "11": "(2,7)",
+  "4": "(2,8)",
+  "2": "(3,1)",
+  "3": "(3,2)",
+  "15": "(3,3)",
+  "24": "(3,4)",
+  "23": "(3,5)",
+  "22": "(3,6)",
+  "10": "(3,7)",
+  "1": "(3,8)",
+};
+
+Map<String, String> moveToplayOkNotation =
+    playOkNotationToMove.map((k, v) => MapEntry(v, k));
+
 enum GameResult { pending, win, lose, draw, none }