diff --git a/src/web/js/lib/account_validator.js b/src/web/js/lib/account_validator.js
index 3d892a3..d654435 100644
--- a/src/web/js/lib/account_validator.js
+++ b/src/web/js/lib/account_validator.js
@@ -3,8 +3,12 @@ class AccountValidator {
 	constructor() {
 		this.patternMaestroID = /^[A-Za-z]{1}[A-Za-z0-9]{3,19}$/;
 		this.patternMaestroPW = /^[A-Za-z0-9]{4,16}$/;
+
+		this.patternPlayerID = /^[A-Za-z0-9가-힣-_]{1,8}$/;
+		this.patternPlayerPW = /^[0-9]{4,6}$/;
 	}
 
+	// maestro
 	isValidMaestroID(textID) {
 		if(!this.patternMaestroID.test(textID))
 			return false;
@@ -44,6 +48,46 @@ class AccountValidator {
 	}
 
 
+	// player
+	isValidPlayerID(textID) {
+		if(!this.patternPlayerID.test(textID))
+			return false;
+
+		return true;
+	}
+
+	messageForInvalidPlayerID(textID) {
+		if(textID.length < AccountValidator.Player_ID_LENGTH_MINIMUM)
+			return "마에스트로 계정명은 " + AccountValidator.Player_ID_LENGTH_MINIMUM + "글자 이상이어야 합니다.";
+		else if(textID.length > AccountValidator.Player_ID_LENGTH_MAXIMUM)
+			return "마에스트로 계정명은 " + AccountValidator.Player_ID_LENGTH_MAXIMUM + "글자 이하이어야 합니다.";
+		else if(!(/^[A-Za-z]/.test(textID)))
+			return "마에스트로 계정명은 알파벳으로 시작해야 합니다.";
+		else if((/[^\w]/g).test(textID))
+			return "마에스트로 계정명은 알파벳과 숫자로만 적어주세요.";
+	}
+
+
+	isValidPlayerPW(textPW) {
+		if(!this.patternPlayerPW.test(textPW))
+			return false;
+
+		return true;
+	}
+
+	messageForInvalidPlayerPW(textPW) {
+		console.log(textPW);
+		if(textPW.length < AccountValidator.Player_PW_LENGTH_MINIMUM)
+			return "마에스트로의 암호는 " + AccountValidator.Player_PW_LENGTH_MINIMUM + "글자 이상이어야 합니다.";
+		else if(textPW.length > AccountValidator.Player_PW_LENGTH_MAXIMUM)
+			return "마에스트로의 암호는 " + AccountValidator.Player_PW_LENGTH_MAXIMUM + "글자 이하이어야 합니다.";
+		else if((/[^\w]/g).test(textPW))
+			return "마에스트로의 암호는 알파벳과 숫자로만 적어주세요.";
+		else
+			return "???";
+	}
+
+
 }
 
 
@@ -51,4 +95,11 @@ AccountValidator.MAESTRO_ID_LENGTH_MINIMUM		= 4;
 AccountValidator.MAESTRO_ID_LENGTH_MAXIMUM		= 20;
 
 AccountValidator.MAESTRO_PW_LENGTH_MINIMUM		= 4;
-AccountValidator.MAESTRO_PW_LENGTH_MAXIMUM		= 16;
\ No newline at end of file
+AccountValidator.MAESTRO_PW_LENGTH_MAXIMUM		= 16;
+
+
+AccountValidator.PLAYER_ID_LENGTH_MINIMUM		= 1;
+AccountValidator.PLAYER_ID_LENGTH_MAXIMUM		= 8;
+
+AccountValidator.PLAYER_PW_LENGTH_MINIMUM		= 4;
+AccountValidator.PLAYER_PW_LENGTH_MAXIMUM		= 6;
\ No newline at end of file
diff --git a/test/tdd.js b/test/tdd.js
index 53284cb..197360a 100644
--- a/test/tdd.js
+++ b/test/tdd.js
@@ -25,7 +25,6 @@ QUnit.test( "AccountValidator - isValidMaestroID", function( assert ) {
 
 QUnit.test( "AccountValidator - isValidMaestroPW", function( assert ) {
 	let text = "";
-	text = "";
 	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - " + text);
 	text = "1";
 	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - " + text);
@@ -39,25 +38,105 @@ QUnit.test( "AccountValidator - isValidMaestroPW", function( assert ) {
 	assert.equal(accountValidator.isValidMaestroPW(text), true, "isValidMaestroPW - " + text);
 	text = "123456";
 	assert.equal(accountValidator.isValidMaestroPW(text), true, "isValidMaestroPW - " + text);
-	text = "1234567";
+	text = "1234567891234567";
+	assert.equal(accountValidator.isValidMaestroPW(text), true, "isValidMaestroPW - " + text);
+	text = "12345678912345678";
 	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - " + text);
 
-	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - no text");
 	text = "1abcde";
-	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - " + text);
+	assert.equal(accountValidator.isValidMaestroPW(text), true, "isValidMaestroPW - " + text);
 	text = "abc";
 	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - " + text);
 	text = "a1b";
 	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - " + text);
 	text = "abcdeabcdeabcdeabcdea";
 	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - " + text);
+	text = "abcdeabcdeabcdeabcde";
+	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - " + text);
+});
+
+
+QUnit.test( "AccountValidator - isValidPlayerID", function( assert ) {
+	let text = "";
+	assert.equal(accountValidator.isValidPlayerID(text), false, "isValidPlayerID - no text");
+	text = "1abcde";
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
+	text = "abc";
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
+	text = "a1b";
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
+	text = "abcdeabcdeabcdeabcdea";
+	assert.equal(accountValidator.isValidPlayerID(text), false, "isValidPlayerID - " + text);
 
 	text = "abcd";
-	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - " + text);
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
 	text = "aA1Bccd";
-	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroPW - " + text);
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
 	text = "abcdeabcdeabcdeabcde";
-	assert.equal(accountValidator.isValidMaestroPW(text), false, "isValidMaestroID - " + text);
+	assert.equal(accountValidator.isValidPlayerID(text), false, "isValidPlayerID - " + text);
+
+	text = "박지상";
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
+	text = "박지상76";
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
+	text = "박";
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
+	text = "ㅂ";
+	assert.equal(accountValidator.isValidPlayerID(text), false, "isValidPlayerID - " + text);
+
+	text = "박지상박세나";
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
+	text = "박지상박세나신현";
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
+	text = "박지상박세나ab";
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
+	text = "박지상박세나abc";
+	assert.equal(accountValidator.isValidPlayerID(text), false, "isValidPlayerID - " + text);
+	text = "박지상박세나신현주";
+	assert.equal(accountValidator.isValidPlayerID(text), false, "isValidPlayerID - " + text);
+	text = "박지상박세나123";
+	assert.equal(accountValidator.isValidPlayerID(text), false, "isValidPlayerID - " + text);
+
+	text = "1-3박세나";
+	assert.equal(accountValidator.isValidPlayerID(text), true, "isValidPlayerID - " + text);
+	text = "1-4 박지상";
+	assert.equal(accountValidator.isValidPlayerID(text), false, "isValidPlayerID - " + text);
+});
+
+QUnit.test( "AccountValidator - isValidPlayerPW", function( assert ) {
+	let text = "";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+	text = "1";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+	text = "12";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+	text = "123";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+	text = "1234";
+	assert.equal(accountValidator.isValidPlayerPW(text), true, "isValidPlayerPW - " + text);
+	text = "12345";
+	assert.equal(accountValidator.isValidPlayerPW(text), true, "isValidPlayerPW - " + text);
+	text = "123456";
+	assert.equal(accountValidator.isValidPlayerPW(text), true, "isValidPlayerPW - " + text);
+	text = "1234567";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - no text");
+	text = "1abcde";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+	text = "abc";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+	text = "a1b";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+	text = "abcdeabcdeabcdeabcdea";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+
+	text = "abcd";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+	text = "aA1Bccd";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
+	text = "abcdeabcdeabcdeabcde";
+	assert.equal(accountValidator.isValidPlayerPW(text), false, "isValidPlayerPW - " + text);
 });