diff --git a/README.md b/README.md
index 81aa6c3..a6c1986 100644
--- a/README.md
+++ b/README.md
@@ -5,4 +5,6 @@ ChirpNestBot
 - [ ] Items parsing/identification
 - [ ] Withdrawal bot
 - [x] Foray interception
-- [ ] Tribute interception
\ No newline at end of file
+- [ ] Tribute interception
+- [ ] Experience graphs & forecast
+- [ ] Redis/eliminate map race conditions 
\ No newline at end of file
diff --git a/client.go b/client.go
index 9dc8bd9..1deed4c 100644
--- a/client.go
+++ b/client.go
@@ -21,7 +21,7 @@ func clientMsgMeAck(m *ChatWarsMessageMeAck) {
 				c.GuildID64 = m.GuildID64
 				c.State = m.State
 				c.LastUpdate = m.Msg.Date
-				if cacheObjGuild[``].ObjID64 != m.GuildID64 && strings.Compare(c.Role, ``) == 0 {
+				if getObjGuildID(``) != m.GuildID64 && strings.Compare(c.Role, ``) == 0 {
 					clientSendCWMsg(m.Msg.UserID64, "/g_roles")
 				}
 			}
@@ -34,7 +34,7 @@ func clientMsgMeAck(m *ChatWarsMessageMeAck) {
 				LastUpdate:   m.Msg.Date,
 			}
 			clientsCW[m.Msg.UserID64] = &c
-			if cacheObjGuild[``].ObjID64 != m.GuildID64 {
+			if getObjGuildID(``) != m.GuildID64 {
 				clientSendCWMsg(m.Msg.UserID64, "/g_roles")
 			}
 		}
diff --git a/obj.go b/obj.go
index be489bc..ee12f51 100644
--- a/obj.go
+++ b/obj.go
@@ -2,13 +2,14 @@ package main
 
 import (
 	"strconv"
+	"sync"
 	"time"
 )
 
 var (
-	cacheObjCastle map[string]ChatWarsCastle
-	cacheObjGuild  map[string]ChatWarsGuild
-	cacheObjUser   map[string]ChatWarsUser
+	cacheObjCastle sync.Map
+	cacheObjGuild  sync.Map
+	cacheObjUser   sync.Map
 )
 
 func getObjTypeId(objId int64) (int64, error) {
@@ -157,7 +158,8 @@ func addObjCastle(logo string, name string) (int64, error) {
 }
 
 func getObjCastleID(s string) int64 {
-	return cacheObjCastle[s].ObjID64
+	c, _ := cacheObjCastle.Load(s)
+	return c.ObjID64
 }
 
 func loadObjCastle() error {
@@ -167,7 +169,7 @@ func loadObjCastle() error {
 		name string
 	)
 
-	cacheObjCastle = make(map[string]ChatWarsCastle)
+	cacheObjCastle = new(sync.Map)
 
 	castles, err := db.Query(`SELECT oc.obj_id, oc.logo, oc.name FROM obj_castle oc;`)
 	if err != nil {
@@ -184,8 +186,8 @@ func loadObjCastle() error {
 		c.ObjID64 = id
 		c.Logo = logo
 		c.Name = name
-		cacheObjCastle[logo] = *c
-		cacheObjCastle[name] = *c
+		cacheObjCastle.Store(logo, *c)
+		cacheObjCastle.Store(name, *c)
 	}
 
 	return nil
@@ -241,7 +243,7 @@ func addObjGuild(tag string, name string) (int64, error) {
 }
 
 func getObjGuildID(s string) int64 {
-	if g, ok := cacheObjGuild[s]; ok {
+	if g, ok := cacheObjGuild.Load(s); ok {
 		return g.ObjID64
 	} else {
 		objID64, err := addObjGuild(s, ``)
@@ -250,9 +252,9 @@ func getObjGuildID(s string) int64 {
 		g.ObjID64 = objID64
 		g.Tag = s
 		g.Name = ``
-		cacheObjGuild[s] = *g
+		cacheObjGuild.Store(s, *g)
+		return objID64
 	}
-	return cacheObjGuild[s].ObjID64
 }
 
 func loadObjGuild() error {
@@ -262,7 +264,7 @@ func loadObjGuild() error {
 		name string
 	)
 
-	cacheObjGuild = make(map[string]ChatWarsGuild)
+	cacheObjGuild = new(sync.Map)
 
 	guilds, err := db.Query(`SELECT og.obj_id, og.tag, og.name FROM obj_guild og;`)
 	if err != nil {
@@ -279,7 +281,7 @@ func loadObjGuild() error {
 		g.ObjID64 = id
 		g.Tag = tag
 		g.Name = name
-		cacheObjGuild[tag] = *g
+		cacheObjGuild.Store(tag, *g)
 	}
 
 	return nil
@@ -335,7 +337,7 @@ func addObjUser(name string) (int64, error) {
 }
 
 func getObjUserID(s string) int64 {
-	if u, ok := cacheObjUser[s]; ok {
+	if u, ok := cacheObjUser.Load(s); ok {
 		return u.ObjID64
 	} else {
 		objID64, err := addObjUser(s)
@@ -343,9 +345,9 @@ func getObjUserID(s string) int64 {
 		u := new(ChatWarsUser)
 		u.ObjID64 = objID64
 		u.Name = s
-		cacheObjUser[s] = *u
+		cacheObjUser.Store(s, *u)
+		return objID64
 	}
-	return cacheObjUser[s].ObjID64
 }
 
 func loadObjUser() error {
@@ -354,7 +356,7 @@ func loadObjUser() error {
 		name string
 	)
 
-	cacheObjUser = make(map[string]ChatWarsUser)
+	cacheObjUser = new(sync.Map)
 
 	users, err := db.Query(`SELECT ou.obj_id, ou.name FROM obj_user ou;`)
 	if err != nil {
@@ -370,7 +372,7 @@ func loadObjUser() error {
 		u := new(ChatWarsUser)
 		u.ObjID64 = id
 		u.Name = name
-		cacheObjUser[name] = *u
+		cacheObjUser.Store(name, *u)
 	}
 
 	return nil