diff --git a/src/game/evaluation.rs b/src/game/evaluation.rs
index 83a790b..1587e4a 100644
--- a/src/game/evaluation.rs
+++ b/src/game/evaluation.rs
@@ -46,6 +46,12 @@ impl From<Vec<EvaluationUnit>> for Evaluation {
     }
 }
 
+impl From<&str> for Evaluation {
+    fn from(value: &str) -> Self {
+        Self::from_str(value).unwrap()
+    }
+}
+
 impl FromStr for Evaluation {
     type Err = Infallible;
     fn from_str(s: &str) -> Result<Self, Self::Err> {
diff --git a/tests/solver.rs b/tests/solver.rs
index 580ad97..b5e89a2 100644
--- a/tests/solver.rs
+++ b/tests/solver.rs
@@ -1,7 +1,7 @@
 use wordle_analyzer::game::Game;
 use wordle_analyzer::solve::{AnyBuiltinSolver, NaiveSolver, Solver, StupidSolver};
 use wordle_analyzer::wlist::builtin::BuiltinWList;
-use wordle_analyzer::wlist::word::Word;
+use wordle_analyzer::wlist::word::{Word, WordData};
 use wordle_analyzer::wlist::WordList;
 
 fn wordlist() -> impl WordList {
@@ -67,3 +67,49 @@ fn test_naive_play_predetermined_game() -> anyhow::Result<()> {
 
     Ok(())
 }
+
+#[test]
+fn test_naive_play_predetermined_game_by_manual_guess_and_evak() -> anyhow::Result<()> {
+    let wl = wordlist();
+    let sl =
+        AnyBuiltinSolver::Naive(NaiveSolver::build(&wl).expect("could not build naive solver"));
+    // we don't insert the solution yet,
+    // pretend that a user inputs guesses manually
+    let mut game = Game::build(5, false, 6, &wl, false)?;
+    let _actual_solution: Option<WordData> = Some(("nines".into(), 0.002));
+    let mut next_guess;
+
+    next_guess = sl.guess_for(&game)?;
+    assert_eq!(next_guess, Word::from("which"));
+    game.guess(next_guess, Some("xxfxx".into()))?;
+
+    next_guess = sl.guess_for(&game)?;
+    assert_eq!(next_guess, Word::from("which"));
+    game.guess(next_guess, Some("xxfxx".into()))?;
+
+    next_guess = sl.guess_for(&game)?;
+    assert_eq!(next_guess, Word::from("which"));
+    game.guess(next_guess, Some("xxfxx".into()))?;
+
+    next_guess = sl.guess_for(&game)?;
+    assert_eq!(next_guess, Word::from("which"));
+    game.guess(next_guess, Some("xxfxx".into()))?;
+
+    next_guess = sl.guess_for(&game)?;
+    assert_eq!(next_guess, Word::from("which"));
+    game.guess(next_guess, Some("xxfxx".into()))?;
+
+    next_guess = sl.guess_for(&game)?;
+    assert_eq!(next_guess, Word::from("which"));
+    game.guess(next_guess, Some("xxfxx".into()))?;
+
+    next_guess = sl.guess_for(&game)?;
+    assert_eq!(next_guess, Word::from("which"));
+    game.guess(next_guess, Some("xxfxx".into()))?;
+
+    // naive is at the moment too bad to solve "nines"
+    assert!(game.finished());
+    assert!(!game.won());
+
+    Ok(())
+}