prevent overflow of the uint8_t ply counter during selfplay or match

1 files changed, 2 insertions, 2 deletions

diff --git a/src/match.c b/src/match.c
index eff1931..94afe48 100644
--- a/src/match.c
+++ b/src/match.c
@@ -53,7 +53,7 @@ static inline float six_cand(tak_state_p state) {
 }
 
 
-#define MAX_PLY 250
+#define MAX_PLY 255
 
 static tak_state_p state;
 
@@ -79,7 +79,7 @@ static int play_game(const nn_function current_fn, const nn_function cand_fn,
   reset_state(state, state->board_size);
   char ptn[16];
 
-  for (uint32_t ply = 0; ply < MAX_PLY; ply++) {
+  for (uint32_t ply = 0; ply + negamax_search_depth < MAX_PLY; ply++) {
     if (ply < random_opening_length) {
       uint32_t n_actions;
       action_t *actions = actions_generate(state, &n_actions);