upd

chess0.py

@@ -1,3 +1,4 @@
+import re
 import time
 
 import chess
@@ -21,6 +22,22 @@ class ChessSession:
         self.ts = time.time()
         self.move_ts = time.time()
 
+    def parse_move(self, move):
+        move = move.strip()
+
+        try:
+            if move.startswith(":"):
+                move = self.board.parse_san(move[1:])
+            else:
+                move = self.board.parse_uci(move)
+        except chess.InvalidMoveError:
+            raise IllegalMove(move)
+
+        if move != chess.Move.null() and move not in self.board.legal_moves:
+            raise IllegalMove(move)
+
+        return move
+        
     def check_game_over(self):
         outcome = self.board.outcome(claim_draw=True)
 
@@ -35,13 +52,7 @@ class ChessSession:
 
     async def move(self, move=None):
         if move is not None:
-            try:
-                move = chess.Move.from_uci(move)
-            except chess.InvalidMoveError:
-                raise IllegalMove(move)
-
-            if move not in self.board.legal_moves:
-                raise IllegalMove(move)
+            move = self.parse_move(move)
         else:
             move = await self.engine.play(self.board, chess.engine.Limit(nodes=1))
             move = move.move
@@ -51,7 +62,7 @@ class ChessSession:
 
         self.check_game_over()
 
-    def from_moves(self, moves):
+    def from_moves(self, moves, san=False):
         self.board.reset()
 
         moves = moves.strip().split(" ")
@@ -59,12 +70,9 @@ class ChessSession:
             raise IllegalMove
 
         for i, move in zip(range(len(moves)), moves):
-            try:
-                move = chess.Move.from_uci(move)
-            except chess.InvalidMoveError:
-                raise IllegalMove(move)
+            move = self.parse_move(move)
  
-            if move not in self.board.legal_moves and not (move == chess.Move.null() and i % 2 == 0):
+            if move == chess.Move.null() and i % 2 != 0:
                 raise IllegalMove(move)
 
             self.board.push(move)

openkriemy.py

@@ -81,9 +81,9 @@ async def on_message(event):
         if chess and event.sender.id in chess.sessions:
             reply = await event.get_reply_message()
             if reply and get_peer_id(reply.from_id) == await bot.get_peer_id("me") and reply.media:
-                text = text.strip().lower()
+                text = text.strip()
 
-                if re.match(r"^[a-h][1-8][a-h][1-8]$", text):
+                if text.startswith(":") or re.match(r"^[a-hA-H][1-8][a-hA-H][1-8]$", text):
                     text = f"/chess m {text}"
                 else:
                     text = f"/chess {text}"