diff -r 0fed680c487c -r 8bda076d0a16 src/chess/rules.h
--- a/src/chess/rules.h	Fri Aug 21 20:06:26 2026 +0200
+++ b/src/chess/rules.h	Sat Aug 22 15:15:52 2026 +0200
@@ -86,8 +86,8 @@
 typedef uint8_t Color;
 
 struct movetimeval {
-    uint64_t tv_sec;
-    int32_t tv_usec; /* important that this is signed b/c potential carry */
+    uint64_t sec;
+    int32_t usec; /* important that this is signed b/c potential carry */
 };
 
 typedef struct {
@@ -101,8 +101,8 @@
     uint8_t checkmate;
     uint8_t capture;
     uint8_t padding[7]; /* necessary for stable ABI across networks */
-    struct movetimeval timestamp;
-    struct movetimeval movetime;
+    struct movetimeval timestamp; /* TODO: remove this from the struct */
+    uint64_t movetime; /* the time for this move in microseconds */
     char string[8];
 } Move;