remove unused data from the stream API

README.md

@@ -249,18 +249,10 @@ name | type | default | description
 Lichess streams all played moves on http://en.lichess.org/stream using chunked HTTP response and the following format:
 
 ```sh
-ChunkSize                # size of the next chunk, in hexadecimal
-GameId UciMove IpAddress # actual chunk of data
+ChunkSize        # size of the next chunk, in hexadecimal
+GameId IpAddress # actual chunk of data
 ```
 
-#### UciMove format
-
-```regex
-([a-h][1-8]){2}x?(+|#)?
-```
-
-where `x` indicates a capture, `+` a check and `#` a checkmate.
-
 #### Try it with netcat
 
 ```sh
@@ -275,23 +267,21 @@ Connection: keep-alive
 Vary: Accept-Encoding
 
 1a
-4om0thb7 d1e1 91.121.7.111
+4om0thb7 91.121.7.111
 1b
-o2eg9xu3 c8c2x 89.77.165.159
+o2eg9xu3 89.77.165.159
 18
-g3ag6xm6 g7f7+ 83.149.8.9
+g3ag6xm6 83.149.8.9
 1b
-hl0zbh3g c4c5# 109.237.157.8
+hl0zbh3g 109.237.157.8
 1a
-g3ag6xm6 c2c3x+ 91.121.7.111
+g3ag6xm6 91.121.7.111
 1c
-tj2u3hus a7a6x# 117.199.47.140
+tj2u3hus 117.199.47.140
 ```
 
 By comparing game IDs, you can guess who plays against who.
 
-> Note that `91.121.7.111` and `198.50.141.73` are AI servers.
-
 Credits
 -------
 

modules/hub/src/main/actorApi.scala

@@ -135,8 +135,7 @@ case class MoveEvent(
   gameId: String,
   fen: String,
   move: String,
-  ip: String,
-  meta: String) // x, +, #, +x, #x
+  ip: String)
 }
 
 package bookmark {

modules/round/src/main/MoveBroadcast.scala

@@ -14,7 +14,7 @@ private final class MoveBroadcast extends Actor {
   }
 
   private val format = Enumeratee.map[MoveEvent] { move =>
-    s"${move.gameId} ${move.move}${move.meta} ${move.ip}"
+    s"${move.gameId} ${move.ip}"
   }
 
   private val (enumerator, channel) =

modules/round/src/main/Player.scala

@@ -64,17 +64,12 @@ private[round] final class Player(
   private def notifyProgress(move: chess.Move, progress: Progress, ip: String) {
     val game = progress.game
     val chess = game.toChess
-    val meta = {
-      if (move.captures) "x" else ""
-    } + {
-      if (game.finished) "#" else if (chess.situation.check) "+" else ""
-    }
     bus.publish(MoveEvent(
       ip = ip,
       gameId = game.id,
       fen = Forsyth exportBoard chess.board,
-      move = move.keyString,
-      meta = meta), 'moveEvent)
+      move = move.keyString
+    ), 'moveEvent)
   }
 
   private def moveFinish(game: Game, color: Color): Fu[Events] = game.status match {