diff --git a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/BlockBreakListener.java b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/BlockBreakListener.java
index 5a4fdd1e..0b2ebdc4 100644
--- a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/BlockBreakListener.java
+++ b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/BlockBreakListener.java
@@ -244,7 +244,8 @@ public class BlockBreakListener extends CheckListener {
         
         final int tick = TickTask.getTick();
         // Skip if already set to the same block without breaking within one tick difference.
-        if (data.fastBreakBreakTime < data.fastBreakfirstDamage && data.clickedX == block.getX() &&  data.clickedZ == block.getZ() &&  data.clickedY == block.getY()){
+        if (tick < data.clickedTick);
+        else if (data.fastBreakBreakTime < data.fastBreakfirstDamage && data.clickedX == block.getX() &&  data.clickedZ == block.getZ() &&  data.clickedY == block.getY()){
         	if (tick - data.clickedTick <= 1 ) return;
         }
         
diff --git a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/FastBreak.java b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/FastBreak.java
index c72ba390..261f1f1a 100644
--- a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/FastBreak.java
+++ b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/FastBreak.java
@@ -76,8 +76,10 @@ public class FastBreak extends Check {
 //        	// Ignore those for now.
 //        }
 //        else 
-        
-        if (elapsedTime + cc.fastBreakDelay < breakingTime){
+        if (elapsedTime < 0){
+        	// Ignore it. TODO: ?
+        }
+        else if (elapsedTime + cc.fastBreakDelay < breakingTime){
     		// lag or cheat or Minecraft.
         	
     		// Count in server side lag, if desired.
diff --git a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/Frequency.java b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/Frequency.java
index 4676b679..566b4f40 100644
--- a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/Frequency.java
+++ b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockbreak/Frequency.java
@@ -29,7 +29,12 @@ public class Frequency extends Check {
         
         // Short term arrivals.
         final int tick = TickTask.getTick();
-        if (tick - data.frequencyShortTermTick < cc.frequencyShortTermTicks){
+        if (tick < data.frequencyShortTermTick){
+        	// Tick task got reset.
+        	data.frequencyShortTermTick = tick;
+        	data.frequencyShortTermCount = 1;
+        }
+        else if (tick - data.frequencyShortTermTick < cc.frequencyShortTermTicks){
         	// Account for server side lag.
         	final float stLag = cc.lag ? TickTask.getLag(50L * (tick - data.frequencyShortTermTick), true) : 1f;
         	if (stLag < 1.5){
diff --git a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockplace/FastPlace.java b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockplace/FastPlace.java
index 5fe26864..9a841050 100644
--- a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockplace/FastPlace.java
+++ b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/blockplace/FastPlace.java
@@ -48,7 +48,12 @@ public class FastPlace extends Check {
         
         // Short term arrivals.
         final int tick = TickTask.getTick();
-        if (tick - data.fastPlaceShortTermTick < cc.fastPlaceShortTermTicks){
+        if (tick < data.fastPlaceShortTermTick ){
+        	// TickTask got reset.
+        	data.fastPlaceShortTermTick = tick;
+        	data.fastPlaceShortTermCount = 1;
+        }
+        else if (tick - data.fastPlaceShortTermTick < cc.fastPlaceShortTermTicks){
         	// Account for server side lag.
         	if (!cc.lag || TickTask.getLag(50L * (tick - data.fastPlaceShortTermTick), true) < 1.2){
         		// Within range, add.
diff --git a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/chat/Commands.java b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/chat/Commands.java
index 95aa585d..b0f18ad7 100644
--- a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/chat/Commands.java
+++ b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/chat/Commands.java
@@ -41,7 +41,13 @@ public class Commands extends Check {
         final float weight = 1f;
         
         data.commandsWeights.add(now, weight);
-        if (tick - data.commandsShortTermTick < cc.commandsShortTermTicks){
+        if (tick < data.commandsShortTermTick){
+        	// TickTask got reset.
+            data.commandsShortTermTick = tick;
+            data.commandsShortTermWeight = 1.0;
+        }
+        else if (tick - data.commandsShortTermTick < cc.commandsShortTermTicks){
+        	// TODO: account for lag.
             // Add up.
             data.commandsShortTermWeight += weight;
         }
diff --git a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/fight/Speed.java b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/fight/Speed.java
index 3c30967f..557995b7 100644
--- a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/fight/Speed.java
+++ b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/checks/fight/Speed.java
@@ -56,7 +56,12 @@ public class Speed extends Check {
         
         // Short term.
         final int tick = TickTask.getTick();
-        if (tick - data.speedShortTermTick < cc.speedShortTermTicks){
+        if (tick < data.speedShortTermTick){
+        	// Tick task got reset.
+        	data.speedShortTermTick = tick;
+        	data.speedShortTermCount = 1;
+        }
+        else if (tick - data.speedShortTermTick < cc.speedShortTermTicks){
         	// Account for server side lag.
         	if (!cc.lag || TickTask.getLag(50L * (tick - data.speedShortTermTick), true) < 1.5f){
             	// Within range, add.