diff --git a/examples/config.rs b/examples/config.rs
new file mode 100644
index 0000000..437ae32
--- /dev/null
+++ b/examples/config.rs
@@ -0,0 +1,53 @@
+use postflop_solver::*;
+
+fn main() {
+    // see `basic.rs` for the explanation of the following code
+
+    let oop_range = "66+,A8s+,A5s-A4s,AJo+,K9s+,KQo,QTs+,JTs,96s+,85s+,75s+,65s,54s";
+    let ip_range = "QQ-22,AQs-A2s,ATo+,K5s+,KJo+,Q8s+,J8s+,T7s+,96s+,86s+,75s+,64s+,53s+";
+
+    let card_config = CardConfig {
+        range: [oop_range.parse().unwrap(), ip_range.parse().unwrap()],
+        flop: flop_from_str("Td9d6h").unwrap(),
+        turn: card_from_str("Qc").unwrap(),
+        river: NOT_DEALT,
+    };
+
+    let bet_sizes = BetSizeOptions::try_from(("60%, e, a", "2.5x")).unwrap();
+
+    let tree_config = TreeConfig {
+        initial_state: BoardState::Turn,
+        starting_pot: 200,
+        effective_stack: 900,
+        rake_rate: 0.0,
+        rake_cap: 0.0,
+        flop_bet_sizes: [bet_sizes.clone(), bet_sizes.clone()],
+        turn_bet_sizes: [bet_sizes.clone(), bet_sizes.clone()],
+        river_bet_sizes: [bet_sizes.clone(), bet_sizes],
+        turn_donk_sizes: None,
+        river_donk_sizes: Some(DonkSizeOptions::try_from("50%").unwrap()),
+        add_allin_threshold: 1.5,
+        force_allin_threshold: 0.15,
+        merging_threshold: 0.1,
+    };
+
+    let action_tree = ActionTree::new(tree_config).unwrap();
+    let game = PostFlopGame::with_config(card_config, action_tree).unwrap();
+    let config1_json = game.configs_as_json().unwrap();
+
+    // Write config
+    std::fs::write(
+        "config.json",
+        serde_json::to_string_pretty(&config1_json).unwrap(),
+    )
+    .unwrap();
+
+    let config2 = std::fs::read_to_string("config.json").unwrap();
+    let config2_json = serde_json::from_str(&config2).unwrap();
+    if config1_json != config2_json {
+        println!("Unequal!");
+    }
+    let mut game2 = PostFlopGame::game_from_configs_json(&config2_json).unwrap();
+    game2.allocate_memory(false);
+    solve(&mut game2, 1000, 0.1, true);
+}