Cutechess-cli Syzygy tablebases

worker/games.py

@@ -1069,7 +1069,7 @@ def launch_cutechess(
     return task_alive
 
 
-def run_games(worker_info, password, remote, run, task_id, pgn_file):
+def run_games(worker_info, password, remote, run, task_id, pgn_file, syzygy_path):
     # This is the main cutechess-cli driver.
     # It is ok, and even expected, for this function to
     # raise exceptions, implicitly or explicitly, if a
@@ -1351,6 +1351,11 @@ def make_player(arg):
         if any(substring in book.upper() for substring in ["FRC", "960"]):
             variant = "fischerandom"
 
+        # Prepare the tablebase parameter
+        syzygy_cmd = []
+        if len(syzygy_path) > 0:
+            syzygy_cmd = ["-tb", syzygy_path]
+
         # Run cutechess binary.
         cutechess = "cutechess-cli" + EXE_SUFFIX
         cmd = (
@@ -1413,6 +1418,7 @@ def make_player(arg):
             + nodestime_cmd
             + threads_cmd
             + book_cmd
+            + syzygy_cmd
         )
 
         task_alive = launch_cutechess(

worker/sri.txt

@@ -1 +1 @@
-{"__version": 199, "updater.py": "PHFUVXcoxBFiW2hTqFN5q5WdAw2pK8uzFC7hyMUC3cLY5bGZPhL8TBGThtqDmcXd", "worker.py": "uFRfeWMhIxsSBppqLLWpNKfYd6VAq8MGRZUjtu+XKWE1RhM4cACqLhXA9jP+92Z1", "games.py": "wzzUVbeYyxLGRQTxx0RyCh67lHVadBe6HIQi84GM2W27cF3+aJIXLZkZmysfxTv5"}
+{"__version": 199, "updater.py": "PHFUVXcoxBFiW2hTqFN5q5WdAw2pK8uzFC7hyMUC3cLY5bGZPhL8TBGThtqDmcXd", "worker.py": "B5jAfAi+1hTd3CjeRyuGU3b6pQfJrm7j3e+HEdYvuOgq4JjwuNLcuUcTQ14dw3GB", "games.py": "mVYyPEuH7LR+WZURLHWQCTOCo5CpEersDnaTAkCh3btlQi3q0NfLWb0D3jq8fqss"}

worker/worker.py

@@ -644,6 +644,7 @@ def setup_parameters(worker_dir):
         ("parameters", "min_threads", "1", int, None),
         ("parameters", "fleet", "False", _bool, None),
         ("parameters", "compiler", default_compiler, compiler_names, None),
+        ("parameters", "syzygy_path", "", str, None),
         ("private", "hw_seed", str(random.randint(0, 0xFFFFFFFF)), int, None),
     ]
 
@@ -754,6 +755,15 @@ def _get_help_string(self, action):
         help="do not validate username/password with server",
     )
 
+    parser.add_argument(
+        "-S",
+        "--syzygy_path",
+        dest="syzygy_path",
+        default=config.get("parameters", "syzygy_path"),
+        type=str,
+        help="Syzygy tabelbases path for cutechess-cli adjudication; not given to the engines",
+    )
+
     def my_error(e):
         raise Exception(e)
 
@@ -824,6 +834,7 @@ def my_error(e):
     config.set("parameters", "min_threads", str(options.min_threads))
     config.set("parameters", "fleet", str(options.fleet))
     config.set("parameters", "compiler", options.compiler_)
+    config.set("parameters", "syzygy_path", options.syzygy_path)
 
     with open(config_file, "w") as f:
         config.write(f)
@@ -1284,7 +1295,9 @@ def verify_worker_version(remote, username, password):
     return True
 
 
-def fetch_and_handle_task(worker_info, password, remote, lock_file, current_state):
+def fetch_and_handle_task(
+    worker_info, password, remote, lock_file, current_state, syzygy_path
+):
     # This function should normally not raise exceptions.
     # Unusual conditions are handled by returning False.
     # If an immediate exit is necessary then one can set
@@ -1372,7 +1385,7 @@ def fetch_and_handle_task(worker_info, password, remote, lock_file, current_stat
     api = remote + "/api/failed_task"
     pgn_file = [None]
     try:
-        run_games(worker_info, password, remote, run, task_id, pgn_file)
+        run_games(worker_info, password, remote, run, task_id, pgn_file, syzygy_path)
         success = True
     except FatalException as e:
         message = str(e)
@@ -1564,6 +1577,8 @@ def worker():
         "ARCH": "?",
         "nps": 0.0,
     }
+    if len(options.syzygy_path) > 0:
+        worker_info["cutechess_syzygy"] = "yes"
 
     print("UUID:", worker_info["unique_key"])
 
@@ -1592,7 +1607,12 @@ def worker():
             fish_exit = True
             break
         success = fetch_and_handle_task(
-            worker_info, options.password, remote, lock_file, current_state
+            worker_info,
+            options.password,
+            remote,
+            lock_file,
+            current_state,
+            options.syzygy_path,
         )
         if not current_state["alive"]:  # the user may have pressed Ctrl-C...
             break