diff --git a/src/c/funktionen.c b/src/c/funktionen.c
index 19f8742..c43fe11 100644
--- a/src/c/funktionen.c
+++ b/src/c/funktionen.c
@@ -71,12 +71,36 @@ int x_wins_00_01_02(char board[][3]) {
     }    
 }
 
-int o_wins_00_10_20(char board[][3]) {
-    if (board[0][0] == 'O' && board[1][0] == 'O' && board[2][0] == 'O') {
+int x_wins_10_11_12(char board[][3]) {
+    if (board[1][0] == 'X' && board[1][1] == 'X' && board[1][2] == 'X') {
+        return 1;
+    }    
+}
+
+int x_wins_20_21_22(char board[][3]) {
+    if (board[2][0] == 'X' && board[2][1] == 'X' && board[2][2] == 'X') {
         return 1;
     }    
 }
 
+int x_wins_00_11_22(char board[][3]) {
+    if (board[0][0] == 'X' && board[1][1] == 'X' && board[2][2] == 'X') {
+        return 1;
+    }    
+}
+
+int x_wins_02_11_20(char board[][3]) {
+    if (board[0][2] == 'X' && board[1][1] == 'X' && board[2][0] == 'X') {
+        return 1;
+    }    
+}
+
+int o_wins_00_10_20(char board[][3]) {
+    if (board[0][0] == 'O' && board[1][0] == 'O' && board[2][0] == 'O') {
+	return 1;
+    }
+}
+
 int string_character_counter(char string[]) {
     int stringLength = 0;
 
@@ -309,4 +333,8 @@ float average(float x, float y) {
 // Function to calculate the remainder of division between two numbers
 float remainderValue(float x, float y) {
     return fmod(x, y);
+}
+
+float f(float m) {
+    return m * 9.81;
 }
\ No newline at end of file
diff --git a/src/c/funktionen.h b/src/c/funktionen.h
index efbc2dc..9b9b24c 100644
--- a/src/c/funktionen.h
+++ b/src/c/funktionen.h
@@ -35,9 +35,22 @@ int x_wins_02_12_22(char board[][3]);
 int x_wins_00_01_02(char board[][3]);
 //prüft, ob X bei Index 00, 01, 02 ist
 
-int o_wins_00_10_20(char board[][3])
+int o_wins_00_10_20(char board[][3]);
 // prüft, ob O bei Index 00, 10, 20 ist.
 
+int x_wins_10_11_12(char board[][3]);
+//prüft, ob X bei Index 10, 11, 12 ist
+
+int x_wins_20_21_22(char board[][3]);
+// prüft, ob X bei Index 20, 21, 22 ist
+
+int x_wins_00_11_22(char board[][3]);
+// prüft, ob X bei Index 00, 11, 22 ist
+
+int x_wins_02_11_20(char board[][3]);
+// prüft, ob X bei Index 02, 11, 20 ist
+>>>>>>> 2db6d7e7b64f8bdbc0a3390d95c27edc00af7924
+
 int string_character_counter(char string[]);
 // liefert die Länge eines Strings zurück
 
@@ -142,4 +155,7 @@ float average(float x, float y);
 // Function to calculate the remainder of division between two numbers
 float remainderValue(float x, float y);
 
+float f(float m);
+// berechnet die Gewichtkraft
+
 #endif
\ No newline at end of file
diff --git a/src/test/test_funktionen.c b/src/test/test_funktionen.c
index 62dafa7..68f38d3 100644
--- a/src/test/test_funktionen.c
+++ b/src/test/test_funktionen.c
@@ -228,6 +228,51 @@ void test_o_wins_onIndex_00_10_20(void)
     TEST_ASSERT_EQUAL_INT(expected, actual);
 }
 
+void test_x_wins_onIndex_20_21_22(void)
+{
+    /* arrange */
+    int actual;
+    int expected = 1;
+    
+    char board[][3] = {{' ',' ',' '}, {' ',' ',' '}, {'X','X','X'}};
+
+    /* act */
+    actual = x_wins_20_21_22(board);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(expected, actual);
+}
+
+void test_x_wins_onIndex_00_11_22(void)
+{
+    /* arrange */
+    int actual;
+    int expected = 1;
+    
+    char board[][3] = {{'X',' ',' '}, {' ','X',' '}, {' ',' ','X'}};
+
+    /* act */
+    actual = x_wins_00_11_22(board);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(expected, actual);
+}
+
+void test_x_wins_onIndex_02_11_20(void)
+{
+    /* arrange */
+    int actual;
+    int expected = 1;
+    
+    char board[][3] = {{' ',' ','X'}, {' ','X',' '}, {'X',' ',' '}};
+
+    /* act */
+    actual = x_wins_02_11_20(board);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_INT(expected, actual);
+}
+
 void test_stringLaenge_von_Kokosnuss(void)
 {
     /* arrange */
@@ -379,4 +424,18 @@ void test_tangentDegrees(void) {
     // Add more test cases for different inputs and expected outputs
 }
 
+void test_weight_at_mass100(void)
+{
+    /* arrange */
+    float actual;
+    float expected = 981;
+
+    /* act */;
+    float m = 100;
+    actual = f(m);
+
+    /* assert */
+    TEST_ASSERT_EQUAL_FLOAT(expected, actual);
+}
+
 #endif
\ No newline at end of file