diff --git a/src/elo.rs b/src/elo.rs
index 6f69723..0541d1e 100644
--- a/src/elo.rs
+++ b/src/elo.rs
@@ -18,25 +18,19 @@ type AgentMaker = Box<dyn Fn(Piece) -> Box<dyn Agent>>;
 
 #[allow(dead_code)]
 pub fn run() {
-    let total_memory = 30_000_000_000;
+    let total_memory = 30_000_000_000; // 30 GB
     let num_threads = std::thread::available_parallelism()
         .map(NonZero::get)
         .expect("unable to get number of threads");
     let mem_per_thread = total_memory / num_threads;
 
     let fmv_base = FutureMoveConfig {
-        max_depth: 10,
-        min_arena_depth: 14,
-        top_k_children: 2,
-        up_to_minus: 10,
-        // max_arena_size: usize::MAX,
         max_arena_size: mem_per_thread / FutureMoves::ARENA_ENTRY_SIZE,
-        do_prune: false,
         print: false,
-        children_eval_method: Default::default(),
+        ..Default::default()
     };
 
-    let configs = [4, 5, 6]
+    let configs = [2, 4, 6, 8]
         .into_iter()
         .map(move |d| FutureMoveConfig {
             max_depth: d,
diff --git a/src/logic/future_moves.rs b/src/logic/future_moves.rs
index fcabde2..5779529 100644
--- a/src/logic/future_moves.rs
+++ b/src/logic/future_moves.rs
@@ -34,7 +34,7 @@ pub struct FutureMoves {
     board: Board,
 }
 
-#[derive(Copy, Clone, Allocative)]
+#[derive(Copy, Clone, Allocative, Default)]
 pub struct FutureMoveConfig {
     /// Max depth of that we should try and traverse
     pub max_depth: usize,