diff --git a/battles.js b/battles.js
index c165478775..6173482c02 100644
--- a/battles.js
+++ b/battles.js
@@ -130,6 +130,13 @@ var BattlePokemon = (function() {
 		this.battle = side.battle;
 		if (typeof set === 'string') set = {name: set};
 
+		// "prebound" function for nicer syntax (avoids use of `bind`)
+		this.getHealth = (function(self) {
+			return function(side) {
+				return BattlePokemon.getHealth.call(self, side);
+			};
+		})(this);
+
 		this.set = set;
 
 		this.baseTemplate = this.battle.getTemplate(set.species || set.name);
@@ -284,9 +291,10 @@ var BattlePokemon = (function() {
 		if (this.isActive) return fullname.substr(0,2) + positionList[this.position] + fullname.substr(2);
 		return fullname;
 	};
-	BattlePokemon.prototype.getDetails = function() {
-		if (this.illusion) return this.illusion.details + '|' + this.getHealth();
-		return this.details + '|' + this.getHealth();
+	// "static" function
+	BattlePokemon.getDetails = function(side) {
+		if (this.illusion) return this.illusion.details + '|' + this.getHealth(side);
+		return this.details + '|' + this.getHealth(side);
 	};
 	BattlePokemon.prototype.update = function(init) {
 		// reset for Light Metal etc
@@ -921,19 +929,11 @@ var BattlePokemon = (function() {
 		this.update();
 		return true;
 	};
-	BattlePokemon.prototype.getHealth = function(realHp) {
-		if (!realHp) {
-			for (var i in this.battle.sides) {
-				if (this.battle.sides[i] === this.side) {
-					this.battle.sides[i].exactHealth.push(''+this.hp+'/'+this.maxhp+' '+this.status);
-				} else {
-					this.battle.sides[i].exactHealth.push('');
-				}
-			}
-		}
+	// "static" function
+	BattlePokemon.getHealth = function(side) {
 		if (!this.hp) return '0 fnt';
 		var hpstring;
-		if (realHp || this.battle.getFormat().debug) {
+		if ((this.side === side) || this.battle.getFormat().debug) {
 			hpstring = ''+this.hp+'/'+this.maxhp;
 		} else {
 			var ratio = this.hp / this.maxhp;
@@ -991,9 +991,6 @@ var BattleSide = (function() {
 		this.active = [null];
 		this.sideConditions = {};
 
-		// stores exact health for use in the health queue
-		this.exactHealth = [];
-
 		this.id = (n?'p2':'p1');
 
 		switch (this.battle.gameType) {
@@ -1024,16 +1021,14 @@ var BattleSide = (function() {
 	BattleSide.prototype.getData = function() {
 		var data = {
 			name: this.name,
-			pokemon: [],
-			exactHealth: this.exactHealth.join(',')
+			pokemon: []
 		};
-		this.exactHealth = [];
 		for (var i=0; i<this.pokemon.length; i++) {
 			var pokemon = this.pokemon[i];
 			data.pokemon.push({
 				ident: pokemon.fullname,
 				details: pokemon.details,
-				condition: pokemon.getHealth(true),
+				condition: pokemon.getHealth(pokemon.side),
 				active: (pokemon.position < pokemon.side.active.length),
 				moves: pokemon.moves.map(function(move) {
 					if (move === 'hiddenpower') {
@@ -2016,7 +2011,7 @@ var Battle = (function() {
 		for (var m in pokemon.moveset) {
 			pokemon.moveset[m].used = false;
 		}
-		this.add('switch', side.active[pos], side.active[pos].getDetails());
+		this.add('switch', side.active[pos], BattlePokemon.getDetails.bind(side.active[pos]));
 		pokemon.update();
 		this.runEvent('SwitchIn', pokemon);
 		this.addQueue({pokemon: pokemon, choice: 'runSwitch'});
@@ -2071,7 +2066,7 @@ var Battle = (function() {
 		for (var m in pokemon.moveset) {
 			pokemon.moveset[m].used = false;
 		}
-		this.add('drag', side.active[pos], side.active[pos].getDetails());
+		this.add('drag', side.active[pos], BattlePokemon.getDetails.bind(side.active[pos]));
 		pokemon.update();
 		this.runEvent('SwitchIn', pokemon);
 		this.addQueue({pokemon: pokemon, choice: 'runSwitch'});
@@ -2206,7 +2201,7 @@ var Battle = (function() {
 			if (target.illusion && effect && effect.effectType === 'Move') {
 				this.debug('illusion cleared');
 				target.illusion = null;
-				this.add('replace', target, target.getDetails());
+				this.add('replace', target, BattlePokemon.getDetails.bind(target));
 			}
 		}
 		if (damage !== 0) damage = clampIntRange(damage, 1);
@@ -2216,15 +2211,15 @@ var Battle = (function() {
 		if (name === 'tox') name = 'psn';
 		switch (effect.id) {
 		case 'partiallytrapped':
-			this.add('-damage', target, target.getHealth(), '[from] '+this.effectData.sourceEffect.fullname, '[partiallytrapped]');
+			this.add('-damage', target, target.getHealth, '[from] '+this.effectData.sourceEffect.fullname, '[partiallytrapped]');
 			break;
 		default:
 			if (effect.effectType === 'Move') {
-				this.add('-damage', target, target.getHealth());
+				this.add('-damage', target, target.getHealth);
 			} else if (source && source !== target) {
-				this.add('-damage', target, target.getHealth(), '[from] '+effect.fullname, '[of] '+source);
+				this.add('-damage', target, target.getHealth, '[from] '+effect.fullname, '[of] '+source);
 			} else {
-				this.add('-damage', target, target.getHealth(), '[from] '+name);
+				this.add('-damage', target, target.getHealth, '[from] '+name);
 			}
 			break;
 		}
@@ -2258,10 +2253,10 @@ var Battle = (function() {
 		damage = target.damage(damage, source, effect);
 		switch (effect.id) {
 		case 'strugglerecoil':
-			this.add('-damage', target, target.getHealth(), '[from] recoil');
+			this.add('-damage', target, target.getHealth, '[from] recoil');
 			break;
 		default:
-			this.add('-damage', target, target.getHealth());
+			this.add('-damage', target, target.getHealth);
 			break;
 		}
 		if (target.fainted) this.faint(target);
@@ -2285,20 +2280,20 @@ var Battle = (function() {
 		switch (effect.id) {
 		case 'leechseed':
 		case 'rest':
-			this.add('-heal', target, target.getHealth(), '[silent]');
+			this.add('-heal', target, target.getHealth, '[silent]');
 			break;
 		case 'drain':
-			this.add('-heal', target, target.getHealth(), '[from] drain', '[of] '+source);
+			this.add('-heal', target, target.getHealth, '[from] drain', '[of] '+source);
 			break;
 		case 'wish':
 			break;
 		default:
 			if (effect.effectType === 'Move') {
-				this.add('-heal', target, target.getHealth());
+				this.add('-heal', target, target.getHealth);
 			} else if (source && source !== target) {
-				this.add('-heal', target, target.getHealth(), '[from] '+effect.fullname, '[of] '+source);
+				this.add('-heal', target, target.getHealth, '[from] '+effect.fullname, '[of] '+source);
 			} else {
-				this.add('-heal', target, target.getHealth(), '[from] '+effect.fullname);
+				this.add('-heal', target, target.getHealth, '[from] '+effect.fullname);
 			}
 			break;
 		}
@@ -3142,7 +3137,28 @@ var Battle = (function() {
 		return decisions;
 	};
 	Battle.prototype.add = function() {
-		this.log.push('|'+Array.prototype.slice.call(arguments).join('|'));
+		var parts = Array.prototype.slice.call(arguments);
+		var functions = parts.map(function(part) {
+			return typeof part === 'function';
+		});
+		if (functions.indexOf(true) < 0) {
+			this.log.push('|'+parts.join('|'));
+		} else {
+			this.log.push('|split');
+			var sides = this.sides.concat(null);
+			for (var i = 0; i < sides.length; ++i) {
+				var line = '';
+				for (var j = 0; j < parts.length; ++j) {
+					line += '|';
+					if (functions[j]) {
+						line += parts[j](sides[i]);
+					} else {
+						line += parts[j];
+					}
+				}
+				this.log.push(line);
+			}
+		}
 	};
 	Battle.prototype.addMove = function() {
 		this.lastMoveLine = this.log.length;
diff --git a/chat-commands.js b/chat-commands.js
index a20bd7a8cc..7dacb4dae2 100644
--- a/chat-commands.js
+++ b/chat-commands.js
@@ -802,7 +802,7 @@ function parseCommandLocal(user, cmd, target, room, socket, message) {
 
 	case 'savereplay':
 		if (!room || !room.battle) return false;
-		var data = room.log.join("\n");
+		var data = room.getLog(2).join("\n");
 		var datahash = crypto.createHash('md5').update(data.replace(/[^(\x20-\x7F)]+/g,'')).digest('hex');
 
 		LoginServer.request('prepreplay', {
diff --git a/data/abilities.js b/data/abilities.js
index cdc19cfb7a..d5f2ed0bb1 100644
--- a/data/abilities.js
+++ b/data/abilities.js
@@ -2517,7 +2517,7 @@ exports.BattleAbilities = {
 		onTryHit: function(target, source, move) {
 			if (target !== source && move.type === 'Electric') {
 				var d = target.heal(target.maxhp/4);
-				this.add('-heal',target,target.getHealth(),'[from] ability: Volt Absorb');
+				this.add('-heal',target,target.getHealth,'[from] ability: Volt Absorb');
 				return null;
 			}
 		},
@@ -2532,7 +2532,7 @@ exports.BattleAbilities = {
 		onTryHit: function(target, source, move) {
 			if (target !== source && move.type === 'Water') {
 				var d = target.heal(target.maxhp/4);
-				this.add('-heal',target,target.getHealth(),'[from] ability: Water Absorb');
+				this.add('-heal',target,target.getHealth,'[from] ability: Water Absorb');
 				return null;
 			}
 		},
diff --git a/data/moves.js b/data/moves.js
index 207d2088f9..4d536016b7 100644
--- a/data/moves.js
+++ b/data/moves.js
@@ -5131,7 +5131,7 @@ exports.BattleMovedex = {
 					var source = this.effectData.source;
 					var damage = target.heal(target.maxhp);
 					target.setStatus('');
-					this.add('-heal',target,target.getHealth(),'[from] move: Healing Wish');
+					this.add('-heal',target,target.getHealth,'[from] move: Healing Wish');
 					target.side.removeSideCondition('healingwish');
 				}
 			}
@@ -6719,7 +6719,7 @@ exports.BattleMovedex = {
 					for (var m in target.moveset) {
 						target.moveset[m].pp = target.moveset[m].maxpp;
 					}
-					this.add('-heal',target,target.getHealth(),'[from] move: Lunar Dance');
+					this.add('-heal',target,target.getHealth,'[from] move: Lunar Dance');
 					target.side.removeSideCondition('lunardance');
 				}
 			}
@@ -7968,7 +7968,7 @@ exports.BattleMovedex = {
 			var averagehp = Math.floor((target.hp + pokemon.hp) / 2) || 1;
 			target.sethp(averagehp);
 			pokemon.sethp(averagehp);
-			this.add('-sethp', target, target.getHealth(), pokemon, pokemon.getHealth(), '[from] move: Pain Split');
+			this.add('-sethp', target, target.getHealth, pokemon, pokemon.getHealth, '[from] move: Pain Split');
 		},
 		secondary: false,
 		target: "normal",
@@ -13250,7 +13250,7 @@ exports.BattleMovedex = {
 				if (!target.fainted) {
 					var source = this.effectData.source;
 					var damage = this.heal(this.effectData.hp, target, target);
-					if (damage) this.add('-heal', target, target.getHealth(), '[from] move: Wish', '[wisher] '+source.name);
+					if (damage) this.add('-heal', target, target.getHealth, '[from] move: Wish', '[wisher] '+source.name);
 				}
 			}
 		},
diff --git a/data/scripts.js b/data/scripts.js
index af56156d90..dcd87f5448 100644
--- a/data/scripts.js
+++ b/data/scripts.js
@@ -385,7 +385,7 @@ exports.BattleScripts = {
 					this.debug('heal interrupted');
 					return false;
 				}
-				this.add('-heal', target, target.getHealth());
+				this.add('-heal', target, target.getHealth);
 				didSomething = true;
 			}
 			if (moveData.status) {
diff --git a/mods/gen1/scripts.js b/mods/gen1/scripts.js
index a7155b5c3a..9c552532fe 100644
--- a/mods/gen1/scripts.js
+++ b/mods/gen1/scripts.js
@@ -442,7 +442,7 @@ exports.BattleScripts = {
 					this.add('-fail', target);
 					return false;
 				}
-				this.add('-heal', target, target.getHealth());
+				this.add('-heal', target, target.getHealth);
 				didSomething = true;
 			}
 			if (moveData.status) {
@@ -800,15 +800,15 @@ exports.BattleScripts = {
 		if (name === 'tox') name = 'psn';
 		switch (effect.id) {
 		case 'partiallytrapped':
-			this.add('-damage', target, target.getHealth(), '[from] '+this.effectData.sourceEffect.fullname, '[partiallytrapped]');
+			this.add('-damage', target, target.getHealth, '[from] '+this.effectData.sourceEffect.fullname, '[partiallytrapped]');
 			break;
 		default:
 			if (effect.effectType === 'Move') {
-				this.add('-damage', target, target.getHealth());
+				this.add('-damage', target, target.getHealth);
 			} else if (source && source !== target) {
-				this.add('-damage', target, target.getHealth(), '[from] '+effect.fullname, '[of] '+source);
+				this.add('-damage', target, target.getHealth, '[from] '+effect.fullname, '[of] '+source);
 			} else {
-				this.add('-damage', target, target.getHealth(), '[from] '+name);
+				this.add('-damage', target, target.getHealth, '[from] '+name);
 			}
 			break;
 		}
diff --git a/mods/gen3/abilities.js b/mods/gen3/abilities.js
index d2a9395248..f22b69e4aa 100644
--- a/mods/gen3/abilities.js
+++ b/mods/gen3/abilities.js
@@ -255,7 +255,7 @@ Oh, and one more thing:  I didn't alter the descriptions much, if at all, on the
 		onImmunity: function(type, pokemon) {
 			if (type === 'Electric') {
 				var d = pokemon.heal(pokemon.maxhp/4);
-				this.add('-heal',pokemon,pokemon.getHealth(),'[from] ability: Volt Absorb');
+				this.add('-heal',pokemon,pokemon.getHealth,'[from] ability: Volt Absorb');
 				return null;
 			}
 		},
diff --git a/mods/gen3/moves.js b/mods/gen3/moves.js
index a43f7be126..f7999b1d9a 100644
--- a/mods/gen3/moves.js
+++ b/mods/gen3/moves.js
@@ -922,7 +922,7 @@ exports.BattleMovedex = {
 				if (!target.fainted) {
 					var source = this.effectData.source;
 					var damage = this.heal(target.maxhp/2, target, target);
-					if (damage) this.add('-heal', target, target.getHealth(), '[from] move: Wish', '[wisher] '+source.name);
+					if (damage) this.add('-heal', target, target.getHealth, '[from] move: Wish', '[wisher] '+source.name);
 				}
 			}
 		}
diff --git a/mods/gen4/moves.js b/mods/gen4/moves.js
index 4118620305..026f956790 100644
--- a/mods/gen4/moves.js
+++ b/mods/gen4/moves.js
@@ -740,7 +740,7 @@ exports.BattleMovedex = {
 				if (!target.fainted) {
 					var source = this.effectData.source;
 					var damage = this.heal(target.maxhp/2, target, target);
-					if (damage) this.add('-heal', target, target.getHealth(), '[from] move: Wish', '[wisher] '+source.name);
+					if (damage) this.add('-heal', target, target.getHealth, '[from] move: Wish', '[wisher] '+source.name);
 				}
 			}
 		}
diff --git a/rooms.js b/rooms.js
index 325d5daaa8..7469dbcdb1 100644
--- a/rooms.js
+++ b/rooms.js
@@ -141,23 +141,61 @@ var BattleRoom = (function() {
 		this.active = false;
 		this.update();
 	};
+	// idx = 0, 1 : player log
+	// idx = 2    : spectator log
+	BattleRoom.prototype.getLog = function(idx) {
+		var log = [];
+		for (var i = 0; i < this.log.length; ++i) {
+			var line = this.log[i];
+			if (line === '|split') {
+				log.push(this.log[i + idx + 1]);
+				i += 3;
+			} else {
+				log.push(line);
+			}
+		}
+		return log;
+	};
+	BattleRoom.prototype.getLogForUser = function(user) {
+		var slot = this.battle.getSlot(user);
+		if (slot < 0) slot = 2;
+		return this.getLog(slot);
+	};
 	BattleRoom.prototype.update = function(excludeUser) {
 		if (this.log.length < this.lastUpdate) return;
-		var updates = this.log.slice(this.lastUpdate);
-		var update = {
-			since: this.lastUpdate,
-			updates: updates,
-			active: this.active
+		var logs = [[], [], []];
+		var updateLines = this.log.slice(this.lastUpdate);
+		for (var i = 0; i < updateLines.length;) {
+			var line = updateLines[i++];
+			if (line === '|split') {
+				logs[0].push(updateLines[i++]); // player 0
+				logs[1].push(updateLines[i++]); // player 1
+				logs[2].push(updateLines[i++]); // spectators
+			} else {
+				logs[0].push(line);
+				logs[1].push(line);
+				logs[2].push(line);
+			}
 		}
+		var roomid = this.id;
+		var updates = logs.map(function(log) {
+			return {
+				room: roomid,
+				since: this.lastUpdate,
+				updates: log,
+				active: this.active
+			};
+		});
 		this.lastUpdate = this.log.length;
 
-		update.room = this.id;
 		var hasUsers = false;
 		for (var i in this.users) {
 			var user = this.users[i];
 			hasUsers = true;
 			if (user === excludeUser) continue;
-			user.emit('update', update);
+			var slot = this.battle.getSlot(user);
+			if (slot < 0) slot = 2;
+			user.emit('update', updates[slot]);
 		}
 
 		// empty rooms time out after ten minutes
@@ -434,7 +472,7 @@ var BattleRoom = (function() {
 			room: this.id,
 			roomType: 'battle',
 			version: BATTLE_ROOM_PROTOCOL_VERSION,
-			battlelog: this.log
+			battlelog: this.getLogForUser(user)
 		};
 		emit(socket, 'init', initdata);
 		if (this.battle.requests[user.userid]) {
@@ -461,7 +499,7 @@ var BattleRoom = (function() {
 			room: this.id,
 			roomType: 'battle',
 			version: BATTLE_ROOM_PROTOCOL_VERSION,
-			battlelog: this.log
+			battlelog: this.getLogForUser(user)
 		};
 		user.emit('init', initdata);