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ui/analyse/src/TablebaseService.scala

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+import scala.concurrent.Future
+import scala.concurrent.ExecutionContext.Implicits.global
+import akka.http.scaladsl.Http
+import akka.http.scaladsl.model._
+import akka.http.scaladsl.unmarshalling.Unmarshal
+
+// Case class to parse the tablebase result
+case class TablebaseResult(
+  dtz: Int,  // Distance to zeroing (moves to convert to a simpler endgame)
+  wdl: Int,  // Win/draw/loss indicator
+  bestMove: String
+)
+
+object TablebaseService {
+  def getTablebaseEvaluation(fen: String): Future[TablebaseResult] = {
+    val url = s"https://api.chessdb.cn:81/tablebase?fen=$fen"
+    val response = Http().singleRequest(HttpRequest(uri = url))
+
+    response.flatMap {
+      case HttpResponse(StatusCodes.OK, _, entity, _) =>
+        Unmarshal(entity).to[TablebaseResult]
+      case _ =>
+        Future.failed(new Exception("Failed to fetch tablebase data"))
+    }
+  }
+}