diff --git a/plugins/org.polarsys.chess.checkers/src/org/polarsys/chess/checkers/core/impl/NameDistance.java b/plugins/org.polarsys.chess.checkers/src/org/polarsys/chess/checkers/core/impl/NameDistance.java
index 46727be..00a6a42 100644
--- a/plugins/org.polarsys.chess.checkers/src/org/polarsys/chess/checkers/core/impl/NameDistance.java
+++ b/plugins/org.polarsys.chess.checkers/src/org/polarsys/chess/checkers/core/impl/NameDistance.java
@@ -37,14 +37,14 @@
 	private static final String checkerName = "NameDistance";
 
 	/**
-	 * Creates a name distance checker with default threshold
+	 * Creates a name distance checker with default threshold.
 	 */
 	public NameDistance() {
 		super(checkerName, getTags());
 	}
 
 	/**
-	 * Creates a name distance checker with the given priority
+	 * Creates a name distance checker with the given priority.
 	 * @param priority the priority
 	 */
 	public NameDistance(int priority) {
@@ -52,7 +52,7 @@
 	}
 
 	/**
-	 * Creates a name distance checker with the given priority and threshold
+	 * Creates a name distance checker with the given priority and threshold.
 	 * @param priority the priority
 	 * @param threshold the threshold to use
 	 */
@@ -61,6 +61,34 @@
 		setThreshold(threshold);
 	}
 
+	/**
+	 * Constructor with explicit tags.
+	 * @param tags the tags identifying this checker
+	 */
+	public NameDistance(Set<String> tags) {
+		super(checkerName, tags);
+	}
+
+	/**
+	 * Constructor with explicit tags and priority.
+	 * @param tags the tags identifying this checker
+	 * @param priority the priority
+	 */
+	public NameDistance(Set<String> tags, int priority) {
+		super(checkerName, tags, priority);
+	}
+
+	/**
+	 * Constructor with explicit tags, priority and threshold.
+	 * @param tags the tags identifying this checker
+	 * @param priority the priority
+	 * @param threshold the threshold to use
+	 */
+	public NameDistance(Set<String> tags, int priority, int threshold) {
+		super(checkerName, tags, priority);
+		setThreshold(threshold);
+	}
+	
 	private static Set<String> getTags() {
 		Set<String> tags = new HashSet<String>();
 		tags.add("fast");