From 15bd8b8ce2ebb920240b67280fa98644f4918225 Mon Sep 17 00:00:00 2001
From: EthanShin <avoirom@gmail.com>
Date: Tue, 2 Jul 2019 23:45:10 +0900
Subject: [PATCH 1/3] feat: Add A_Chessboard_Game.kt

description:
Both players play a game in which the knight is moved in the (1,1) direction. It is a winning game if the opponent can not move anymore.
---
 .../kotlin/Game_Theory-A_Chessboard_Game.kt   | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 Algorithms/kotlin/Game_Theory-A_Chessboard_Game.kt

diff --git a/Algorithms/kotlin/Game_Theory-A_Chessboard_Game.kt b/Algorithms/kotlin/Game_Theory-A_Chessboard_Game.kt
new file mode 100644
index 0000000..cbc4f66
--- /dev/null
+++ b/Algorithms/kotlin/Game_Theory-A_Chessboard_Game.kt
@@ -0,0 +1,23 @@
+import java.util.*
+import kotlin.io.*
+import kotlin.text.*
+
+fun chessboardGame(x: Int, y: Int): String {
+
+    return "First"
+}
+
+fun main(args: Array<String>) {
+    val scan = Scanner(System.`in`)
+
+    val t = scan.nextLine().trim().toInt()
+
+    for (tItr in 1..t) {
+        val xy = scan.nextLine().split(" ")
+        val x = xy[0].trim().toInt()
+        val y = xy[1].trim().toInt()
+
+        val result = chessboardGame(x, y)
+        println(result)
+    }
+}
\ No newline at end of file

From 7e8a1f44d9f7ad1c71322d3572e8c53eb523135f Mon Sep 17 00:00:00 2001
From: EthanShin <avoirom@gmail.com>
Date: Wed, 3 Jul 2019 23:45:26 +0900
Subject: [PATCH 2/3] feat: Modify A_Chessboard_Game.kt

description:
Both players play a game in which the knight is moved in the (1,1) direction. It is a winning game if the opponent can not move anymore.
---
 .../kotlin/Game_Theory-A_Chessboard_Game.kt       | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Algorithms/kotlin/Game_Theory-A_Chessboard_Game.kt b/Algorithms/kotlin/Game_Theory-A_Chessboard_Game.kt
index cbc4f66..ad4a067 100644
--- a/Algorithms/kotlin/Game_Theory-A_Chessboard_Game.kt
+++ b/Algorithms/kotlin/Game_Theory-A_Chessboard_Game.kt
@@ -4,7 +4,20 @@ import kotlin.text.*
 
 fun chessboardGame(x: Int, y: Int): String {
 
-    return "First"
+    // 1. 좌표가 (1, 1)에서 부터 시작하기 때문에 (0, 0)으로 보정하기 위해 1을 빼준다.
+    /* 
+        2. 아래와 같은 패턴이 반복되므로, 4로 나눈 나머지를 이용한다.
+            S S F F
+            S S F F
+            F F F F
+            F F F F
+    */
+    val _x = (x - 1) % 4
+    val _y = (y - 1) % 4
+
+    // 3. 좌표값 (0,0), (0,1), (1,0), (1,1) 일 때, Player2가 이긴다.
+    return if ((_x < 2) and (_y < 2)) "Second"
+    else "First"
 }
 
 fun main(args: Array<String>) {

From 21aa6e867c4d9deaaf821962b40f171c97e30399 Mon Sep 17 00:00:00 2001
From: EthanShin <avoirom@gmail.com>
Date: Wed, 3 Jul 2019 23:47:49 +0900
Subject: [PATCH 3/3] docs: Modify REMOTE_README.md

resolved: #110
description:
Add a file name to the index.
---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index 67b0323..c96db03 100644
--- a/README.md
+++ b/README.md
@@ -83,5 +83,6 @@ All about hackerrank
 - Bit_Manipulation-Lonely_Integer.kt
 - Bit_Manipulation-Maximizing_XOR.kt
 - Bit_Manipulation-Sum_vs_XOR.kt
+- Game_Theory-A_Chessboard_Game.kt
 - Game_Theory-Game_of_Stones.kt
 - Game_Theory-Tower_Breakers.kt
\ No newline at end of file