Implement sd command

Also increment maximum game length (which was only 500 ply).

diff --git a/hachu.c b/hachu.c
index 28f58f1..ad2904e 100644 (file)
--- a/hachu.c
+++ b/hachu.c
@@ -97,6 +97,8 @@ int stm, xstm, hashKeyH, hashKeyL, framePtr, msp, nonCapts, rootEval, retMSP, re
 int nodes, startTime, tlim1, tlim2, repCnt, comp;\r
 Move retMove, moveStack[10000], path[100], repStack[300], pv[1000], repeatMove[300];\r
 \r
+      int maxDepth;                            // used by search\r
+\r
 #define X 36 /* slider              */\r
 #define R 37 /* jump capture        */\r
 #define N -1 /* Knight              */\r
@@ -1814,8 +1816,8 @@ pmoves(int start, int end)
     #define INVALID 0\r
 \r
     // some parameter of your engine\r
-    #define MAXMOVES 500  /* maximum game length  */\r
-    #define MAXPLY   60   /* maximum search depth */\r
+    #define MAXMOVES 2000 /* maximum game length  */\r
+    #define MAXPLY   20   /* maximum search depth */\r
 \r
     #define OFF 0\r
     #define ON  1\r
@@ -2085,7 +2087,7 @@ SearchBestMove (int stm, int timeLeft, int mps, int timeControl, int inc, int ti
   nodes = 0;\r
 MapFromScratch(attacks);\r
   retMove = INVALID; repCnt = 0;\r
-  score = Search(-INF-1, INF+1, rootEval, 20, sup1, sup2);\r
+  score = Search(-INF-1, INF+1, rootEval, maxDepth, sup1, sup2);\r
   *move = retMove;\r
   *ponderMove = INVALID;\r
   return score;\r
@@ -2120,7 +2122,6 @@ printf("# setup done");fflush(stdout);
       int engineSide=NONE;                     // side played by engine\r
       int timeLeft;                            // timeleft on engine's clock\r
       int mps, timeControl, inc, timePerMove;  // time-control parameters, to be used by Search\r
-      int maxDepth;                            // used by search\r
       MOVE move, ponderMove;\r
       int i, score;\r
       char inBuf[8000], command[80];\r