diff --git a/java/com.sap.sailing.domain.tractracadapter/src/com/sap/sailing/domain/tractracadapter/impl/RaceAndCompetitorStatusWithRaceLogReconciler.java b/java/com.sap.sailing.domain.tractracadapter/src/com/sap/sailing/domain/tractracadapter/impl/RaceAndCompetitorStatusWithRaceLogReconciler.java
index 5899882b883..09e9b0d3fb0 100755
--- a/java/com.sap.sailing.domain.tractracadapter/src/com/sap/sailing/domain/tractracadapter/impl/RaceAndCompetitorStatusWithRaceLogReconciler.java
+++ b/java/com.sap.sailing.domain.tractracadapter/src/com/sap/sailing/domain/tractracadapter/impl/RaceAndCompetitorStatusWithRaceLogReconciler.java
@@ -6,6 +6,7 @@ import java.util.HashMap;
 import java.util.Map;
 import java.util.Optional;
 import java.util.UUID;
+import java.util.logging.Logger;
 import java.util.stream.StreamSupport;
 
 import com.sap.sailing.domain.abstractlog.impl.LogEventAuthorImpl;
@@ -60,6 +61,7 @@ import com.tractrac.model.lib.api.event.RaceStatusType;
  *
  */
 public class RaceAndCompetitorStatusWithRaceLogReconciler {
+    private static final Logger logger = Logger.getLogger(RaceAndCompetitorStatusWithRaceLogReconciler.class.getName());
     private final DomainFactory domainFactory;
     private final RaceLogResolver raceLogResolver;
     private final LogEventAuthorImpl raceLogEventAuthor;
@@ -342,6 +344,8 @@ public class RaceAndCompetitorStatusWithRaceLogReconciler {
         final int officialRank = raceCompetitor.getOfficialRank();
         final long officialFinishingTime = raceCompetitor.getOfficialFinishTime();
         final long timePointForStatusEvent = raceCompetitor.getStatusTime();
+        logger.info("Received a status change for competitor " + raceCompetitor + " in race "+trackedRace.getRaceIdentifier()+": officialRank: " + officialRank
+                + ", officialFinishingTime: " + officialFinishingTime + ", statusTime: " + timePointForStatusEvent);
         if (timePointForStatusEvent != 0) {
             // there is an official result for the competitor on TracTrac's side
             // find out if we already have this information represented in the race log(s) and if not if the TracTrac information is newer:
@@ -374,7 +378,16 @@ public class RaceAndCompetitorStatusWithRaceLogReconciler {
                 defaultRaceLog.add(new RaceLogFinishPositioningConfirmedEventImpl(officialResultTime, officialResultTime,
                         new LogEventAuthorImpl("Official TracTrac Result Provider", 1), // equally important as race officer on water
                         UUID.randomUUID(), defaultRaceLog.getCurrentPassId(), resultsForRaceLog));
+                logger.info("Added the following result to the race log of " + trackedRace.getRaceIdentifier()
+                        + " for competitor " + raceCompetitor + ": " + resultForRaceLog);
+            } else {
+                logger.info("Did not produce a new competitor result for competitor " + raceCompetitor + " in race "
+                        + trackedRace.getRaceIdentifier() + " because existing result "
+                        + resultFromRaceLogAndItsCreationTimePoint + " was not older than status time "
+                        + officialResultTime + " or was an equal result");
             }
+        } else {
+            logger.info("Ignoring status change for competitor " + raceCompetitor + " in race "+trackedRace.getRaceIdentifier()+" because the status time was 0");
         }
     }
 
diff --git a/java/com.sap.sailing.domain/src/com/sap/sailing/domain/orc/impl/ORCPerformanceCurveByImpliedWindRankingMetric.java b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/orc/impl/ORCPerformanceCurveByImpliedWindRankingMetric.java
index 7c395f68b2e..6c3f1be56d7 100755
--- a/java/com.sap.sailing.domain/src/com/sap/sailing/domain/orc/impl/ORCPerformanceCurveByImpliedWindRankingMetric.java
+++ b/java/com.sap.sailing.domain/src/com/sap/sailing/domain/orc/impl/ORCPerformanceCurveByImpliedWindRankingMetric.java
@@ -317,7 +317,7 @@ implements com.sap.sailing.domain.orc.ORCPerformanceCurveRankingMetric {
             Duration minGPH = new MillisecondsDurationImpl(Long.MAX_VALUE);
             Boat boatWithMinGPH = null;
             for (final Entry<Boat, ORCCertificate> e : certificates.entrySet()) {
-                if (e.getValue().getGPH().compareTo(minGPH) < 0) {
+                if (e.getValue().getGPH() != null && e.getValue().getGPH().compareTo(minGPH) < 0) {
                     boatWithMinGPH = e.getKey();
                     minGPH = e.getValue().getGPH();
                 }