Index: binaries/data/mods/public/globalscripts/Templates.js
===================================================================
--- binaries/data/mods/public/globalscripts/Templates.js
+++ binaries/data/mods/public/globalscripts/Templates.js
@@ -207,6 +207,18 @@
 				for (let damageType of damageTypes.GetTypes())
 					ret.attack[type].splash[damageType] = getAttackStat("Splash/" + damageType);
 			}
+			
+			if (template.Attack[type].Bonuses)
+			{
+				ret.attack[type].bonuses = {};
+				for (let bonus in template.Attack[type].Bonuses)
+				{
+					ret.attack[type].bonuses[bonus] = {
+						"classes": template.Attack[type].Bonuses[bonus].Classes,
+						"multiplier": template.Attack[type].Bonuses[bonus].Multiplier
+					}
+				}
+			}
 		}
 	}
 
Index: binaries/data/mods/public/gui/common/tooltips.js
===================================================================
--- binaries/data/mods/public/gui/common/tooltips.js
+++ binaries/data/mods/public/gui/common/tooltips.js
@@ -823,6 +823,45 @@
 	});
 }
 
+function getCountersTooltip(template)
+{
+	
+	if (!template.attack)
+		return "";
+
+	let result;
+	for (let attackType in template.attack)
+	{
+		if (!template.attack[attackType].bonuses)
+			continue;
+			
+		let string = headerFont(sprintf(translate("Counters %(attackType)s : "), {
+			"attackType": attackType
+		}));
+		result = result ? result + "\n" + string : string;
+		let firstBonus = true;
+		for (let key in template.attack[attackType].bonuses)
+		{
+			let bonus = template.attack[attackType].bonuses[key];
+			if (bonus && bonus.classes)
+			{
+				let separator = ", ";
+				if (firstBonus)
+				{
+					separator = "";
+					firstBonus = false;
+				}
+				result += bodyFont(sprintf(translate("%(separator)s%(multiplier)sx against %(classes)s"), {
+					"separator": separator,
+					"multiplier": bonus.multiplier,
+					"classes": bonus.classes
+				}));
+			}
+		}
+	}
+	return result;
+}
+
 function showTemplateViewerOnRightClickTooltip()
 {
 	// Translation: Appears in a tooltip to indicate that right-clicking the corresponding GUI element will open the Template Details GUI page.
Index: binaries/data/mods/public/gui/credits/texts/programming.json
===================================================================
--- binaries/data/mods/public/gui/credits/texts/programming.json
+++ binaries/data/mods/public/gui/credits/texts/programming.json
@@ -83,6 +83,7 @@
 			{"nick": "falsevision", "name": "Mahdi Khodadadifard"},
 			{"nick": "fatherbushido", "name": "Nicolas Tisserand"},
 			{"nick": "fcxSanya", "name": "Alexander Olkhovskiy"},
+			{"nick": "Feldfeld"},
 			{"nick": "FeXoR", "name": "Florian Finke"},
 			{"nick": "Fire Giant", "name": "Malte Schwarzkopf"},
 			{"nick": "fpre", "name": "Frederick Stallmeyer"},
Index: binaries/data/mods/public/gui/reference/common/draw.js
===================================================================
--- binaries/data/mods/public/gui/reference/common/draw.js
+++ binaries/data/mods/public/gui/reference/common/draw.js
@@ -10,6 +10,7 @@
  * The functions listed are defined in gui/common/tooltips.js
  */
 var g_StatsFunctions = [
+	getCountersTooltip,
 	getHealthTooltip,
 	getHealerTooltip,
 	getAttackTooltip,
Index: binaries/data/mods/public/gui/session/selection_details.js
===================================================================
--- binaries/data/mods/public/gui/session/selection_details.js
+++ binaries/data/mods/public/gui/session/selection_details.js
@@ -284,6 +284,7 @@
 		};
 
 	Engine.GetGUIObjectByName("attackAndArmorStats").tooltip = [
+		getCountersTooltip,
 		getAttackTooltip,
 		getSplashDamageTooltip,
 		getHealerTooltip,
Index: binaries/data/mods/public/gui/session/selection_panels.js
===================================================================
--- binaries/data/mods/public/gui/session/selection_panels.js
+++ binaries/data/mods/public/gui/session/selection_panels.js
@@ -979,6 +979,7 @@
 
 		if (Engine.ConfigDB_GetValue("user", "showdetailedtooltips") === "true")
 			tooltips = tooltips.concat([
+				getCountersTooltip,
 				getHealthTooltip,
 				getAttackTooltip,
 				getSplashDamageTooltip,
Index: binaries/data/mods/public/simulation/templates/template_unit_cavalry_melee_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_cavalry_melee_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_cavalry_melee_spearman.xml
@@ -22,7 +22,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Spear</VisibleClasses>
     <GenericName>Cavalry Spearman</GenericName>
-    <Tooltip>Counters: 1.5x vs. Cavalry.</Tooltip>
   </Identity>
   <UnitMotion>
     <WalkSpeed op="mul">1.1</WalkSpeed>
Index: binaries/data/mods/public/simulation/templates/template_unit_champion_cavalry_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_champion_cavalry_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_champion_cavalry_spearman.xml
@@ -32,7 +32,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Melee Spear</VisibleClasses>
     <GenericName>Champion Cavalry Spearman</GenericName>
-    <Tooltip>Counters: 1.5x vs. Cavalry.</Tooltip>
   </Identity>
   <UnitMotion>
     <WalkSpeed op="mul">1.1</WalkSpeed>
Index: binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_pikeman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_pikeman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_pikeman.xml
@@ -33,7 +33,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Melee Spear Pike</VisibleClasses>
     <GenericName>Champion Pikeman</GenericName>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
     <Formations datatype="tokens">
       special/formations/syntagma
       special/formations/testudo
Index: binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_champion_infantry_spearman.xml
@@ -32,7 +32,6 @@
   <Identity>
     <GenericName>Champion Spearman</GenericName>
     <VisibleClasses datatype="tokens">Melee Spear</VisibleClasses>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
     <Formations datatype="tokens">
       special/formations/testudo
     </Formations>
Index: binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_pikeman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_pikeman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_pikeman.xml
@@ -24,7 +24,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Melee Spear Pike</VisibleClasses>
     <GenericName>Hero Pikeman</GenericName>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
     <Formations datatype="tokens">
       special/formations/testudo
     </Formations>
Index: binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_hero_infantry_spearman.xml
@@ -24,7 +24,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Melee Spear</VisibleClasses>
     <GenericName>Hero Spearman</GenericName>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
     <Formations datatype="tokens">
       special/formations/testudo
     </Formations>
Index: binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_pikeman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_pikeman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_pikeman.xml
@@ -26,7 +26,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Spear Pike</VisibleClasses>
     <GenericName>Pikeman</GenericName>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
     <Formations datatype="tokens">
       special/formations/syntagma
     </Formations>
Index: binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_spearman.xml
===================================================================
--- binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_spearman.xml
+++ binaries/data/mods/public/simulation/templates/template_unit_infantry_melee_spearman.xml
@@ -25,7 +25,6 @@
   <Identity>
     <VisibleClasses datatype="tokens">Spear</VisibleClasses>
     <GenericName>Spearman</GenericName>
-    <Tooltip>Counters: 3x vs. Cavalry.</Tooltip>
   </Identity>
   <Loot>
     <wood>5</wood>