diff --git a/examples/nips17_adversarial_competition/validation_tool/validate_submission_lib.py b/examples/nips17_adversarial_competition/validation_tool/validate_submission_lib.py
index <HASH>..<HASH> 100644
--- a/examples/nips17_adversarial_competition/validation_tool/validate_submission_lib.py
+++ b/examples/nips17_adversarial_competition/validation_tool/validate_submission_lib.py
@@ -31,7 +31,7 @@ REQUIRED_METADATA_JSON_FIELDS = ['entry_point', 'container',
 
 CMD_VARIABLE_RE = re.compile('^\\$\\{(\\w+)\\}$')
 
-BATCH_SIZE = 8
+BATCH_SIZE = 100
 IMAGE_NAME_PATTERN = 'IMG{0:04}.png'
 
 ALLOWED_EPS = [4, 8, 12, 16]
Update batch size in validate_submission_lib

Change batch size in submission validation tool to <I> to mimic the situation of a real evaluation when submission is evaluated on <I> images at a time.