diff --git a/train.py b/train.py
index 3c43f0d7..4535c0d5 100644
--- a/train.py
+++ b/train.py
@@ -446,13 +446,13 @@ if __name__ == '__main__':
         for _ in range(1):  # generations to evolve
             if os.path.exists('evolve.txt'):  # if evolve.txt exists: select best hyps and mutate
                 # Select parent(s)
-                x = np.loadtxt('evolve.txt', ndmin=2)
                 parent = 'single'  # parent selection method: 'single' or 'weighted'
+                x = np.loadtxt('evolve.txt', ndmin=2)
+                n = min(3, len(x))  # number of previous results to consider
+                x = x[np.argsort(-fitness(x))][:n]  # top n mutations
                 if parent == 'single' or len(x) == 1:
-                    x = x[fitness(x).argmax()]
+                    x = x[random.randint(0, n - 1)]  # select one of the top n
                 elif parent == 'weighted':  # weighted combination
-                    n = min(10, len(x))  # number to merge
-                    x = x[np.argsort(-fitness(x))][:n]  # top n mutations
                     w = fitness(x) - fitness(x).min()  # weights
                     x = (x * w.reshape(n, 1)).sum(0) / w.sum()  # new parent