diff --git a/modules/study/src/main/CommentParser.scala b/modules/study/src/main/CommentParser.scala
index 27866a161a..93490b17ae 100644
--- a/modules/study/src/main/CommentParser.scala
+++ b/modules/study/src/main/CommentParser.scala
@@ -12,6 +12,8 @@ private[study] object CommentParser {
   private val arrowsRemoveRegex = """\[\%cal[\s\r\n]+((?:\w{5}[,\s]*)+)\]""".r
   private val clockRegex = """(?s).*\[\%clk[\s\r\n]+([\d:\.]+)\].*""".r
   private val clockRemoveRegex = """\[\%clk[\s\r\n]+[\d:\.]+\]""".r
+  private val tcecClockRegex = """(?s).*tl=([\d:\.]+).*""".r
+  private val tcecClockRemoveRegex = """tl=[\d:\.]+""".r
 
   case class ParsedComment(
       shapes: Shapes,
@@ -45,6 +47,7 @@ private[study] object CommentParser {
 
   private def parseClock(comment: String): ClockAndComment = comment match {
     case clockRegex(str) => readCentis(str) -> clockRemoveRegex.replaceAllIn(comment, "").trim
+    case tcecClockRegex(str) => readCentis(str) -> tcecClockRemoveRegex.replaceAllIn(comment, "").trim
     case _ => None -> comment
   }
 
diff --git a/modules/study/src/test/CommentParserTest.scala b/modules/study/src/test/CommentParserTest.scala
index 157972b2a7..8af3726aeb 100644
--- a/modules/study/src/test/CommentParserTest.scala
+++ b/modules/study/src/test/CommentParserTest.scala
@@ -65,6 +65,10 @@ class CommentParserTest extends Specification {
     "alt format" in {
       C("Hello there [%clk 2:10.33] something else").clock must_== Some(Centis(783300))
     }
+    "TCEC" in {
+      C("d=29, pd=Bb7, mt=00:01:01, tl=00:37:47, s=27938 kN/s, n=1701874274, pv=e4 Bb7 exf5 exf5 d5 Qf6 Rab1 Rae8 g3 Bc8 Kg2 Rxe1 Rxe1, tb=0, R50=49, wv=0.45,").clock must_==
+        Some(Centis(100 * 47 + 37 * 60 * 100))
+    }
   }
   "parse shapes" should {
     "empty" in {