diff --git a/game.c b/game.c
index 14f93fa..2f40e64 100644
--- a/game.c
+++ b/game.c
@@ -303,8 +303,18 @@ void run_frame_left_playing(Game *g) {
 }
 
 void run_frame_left_from_deck(Game *g) {
-  if (run_frame_from_deck(g, &g->left_scored))
-    g->state = GAME_STATE_PLAYER_CHOOSING_FROM_HAND;
+  if (run_frame_from_deck(g, &g->left_scored)) {
+    if (g->player_hand.count) {
+      g->state = GAME_STATE_PLAYER_CHOOSING_FROM_HAND;
+    } else {
+      g->state = GAME_STATE_CALCULATING_SCORES;
+    }
+  }
+}
+
+void run_frame_calculating_scores(Game *g) {
+  printf("Hand scores: %d %d %d\n", hand_points(&g->player_scored), hand_points(&g->right_scored), hand_points(&g->left_scored));
+  g->state = GAME_STATE_INITIALIZING;
 }
 
 void run_frame(Game *g) {
@@ -351,6 +361,9 @@ void run_frame(Game *g) {
   case GAME_STATE_LEFT_FROM_DECK:
     run_frame_left_from_deck(g);
     break;
+  case GAME_STATE_CALCULATING_SCORES:
+    run_frame_calculating_scores(g);
+    break;
   }
 }
 
diff --git a/game.h b/game.h
index 907aa70..c07b4b0 100644
--- a/game.h
+++ b/game.h
@@ -8,6 +8,7 @@ typedef struct Game Game;
 #include "card.h"
 #include "field_multiplier.h"
 #include "teyaku.h"
+#include "points.h"
 
 typedef enum GameState {
   GAME_STATE_INITIALIZING,
@@ -21,6 +22,7 @@ typedef enum GameState {
   GAME_STATE_RIGHT_FROM_DECK,
   GAME_STATE_LEFT_PLAYING,
   GAME_STATE_LEFT_FROM_DECK,
+  GAME_STATE_CALCULATING_SCORES,
 } GameState;
 
 struct Game {
diff --git a/points.c b/points.c
new file mode 100644
index 0000000..7483b04
--- /dev/null
+++ b/points.c
@@ -0,0 +1,23 @@
+#include "points.h"
+int hand_points(Hand *hand) {
+  int points = 0;
+  for (int i = 0; i < hand->count; i++) {
+    Card *c = hand->cards[i];
+    switch (c->type) {
+    case CHAFF:
+      points += 1;
+      break;
+    case RIBBON:
+      points += 5;
+      break;
+    case ANIMAL:
+      points += 10;
+      break;
+    case BRIGHT:
+      points += 20;
+      break;
+    }
+  }
+
+  return points - 88;
+}
diff --git a/points.h b/points.h
new file mode 100644
index 0000000..cd77d8e
--- /dev/null
+++ b/points.h
@@ -0,0 +1,8 @@
+#ifndef _HF_POINTS_
+#define _HF_POINTS_
+
+#include "card.h"
+
+int hand_points(Hand *hand);
+
+#endif
diff --git a/special_cases.c b/special_cases.c
new file mode 100644
index 0000000..6ca47e9
--- /dev/null
+++ b/special_cases.c
@@ -0,0 +1,48 @@
+#include "game.h"
+#include "card.h"
+#include "points.h"
+#include "special_cases.h"
+
+int hand_count_chaff(Hand *hand) {
+  int chaff = 0;
+  for (int i = 0; i < hand->count; i++) {
+    Card *c = hand->cards[i];
+    if (c->type == CHAFF || c->month == NOVEMBER) chaff++;
+  }
+  return chaff;
+}
+
+SpecialCase calculate_special_case(Game *g) {
+  int player_points = hand_points(&g->player_scored);
+  int right_points = hand_points(&g->right_scored);
+  int left_points = hand_points(&g->left_scored);
+
+  if (player_points == 0 &&
+      right_points == 0 &&
+      left_points == 0) {
+    return (SpecialCase) { SPECIAL_CASE_ALL_EIGHTS, SPECIAL_CASE_TARGET_DEALER, 10 };
+  }
+
+  if (player_points >= 80)
+    return (SpecialCase) { SPECIAL_CASE_DOUBLE_EIGHTS, SPECIAL_CASE_TARGET_PLAYER, player_points - 70 };
+  if (right_points >= 80)
+    return (SpecialCase) { SPECIAL_CASE_DOUBLE_EIGHTS, SPECIAL_CASE_TARGET_RIGHT, right_points - 70 };
+  if (left_points >= 80)
+    
+    return (SpecialCase) { SPECIAL_CASE_DOUBLE_EIGHTS, SPECIAL_CASE_TARGET_LEFT, left_points - 70 };
+
+  int player_chaff = hand_count_chaff(&g->player_scored);
+  if (player_chaff >= 16)
+    return (SpecialCase) { SPECIAL_CASE_SIXTEEN_CHAFF, SPECIAL_CASE_TARGET_PLAYER, (2 * player_chaff) - 20 }; 
+
+  int right_chaff = hand_count_chaff(&g->right_scored);
+  if (right_chaff >= 16)
+    return (SpecialCase) { SPECIAL_CASE_SIXTEEN_CHAFF, SPECIAL_CASE_TARGET_RIGHT, (2 * right_chaff) - 20 }; 
+
+  int left_chaff = hand_count_chaff(&g->left_scored);
+  if (left_chaff >= 16)
+    return (SpecialCase) { SPECIAL_CASE_SIXTEEN_CHAFF, SPECIAL_CASE_TARGET_LEFT, (2 * left_chaff) - 20 }; 
+
+  return (SpecialCase) { SPECIAL_CASE_NONE, SPECIAL_CASE_TARGET_NONE, 0 };
+}
+
diff --git a/special_cases.h b/special_cases.h
new file mode 100644
index 0000000..ed89dfe
--- /dev/null
+++ b/special_cases.h
@@ -0,0 +1,30 @@
+#ifndef _HF_SPECIAL_CASES_
+#define _HF_SPECIAL_CASES_
+
+typedef struct SpecialCase SpecialCase;
+typedef enum SpecialCaseType {
+  SPECIAL_CASE_NONE,
+  SPECIAL_CASE_ALL_EIGHTS,
+  SPECIAL_CASE_DOUBLE_EIGHTS,
+  SPECIAL_CASE_SIXTEEN_CHAFF,
+} SpecialCaseType;
+
+typedef enum SpecialCaseTarget {
+  SPECIAL_CASE_TARGET_NONE,
+  SPECIAL_CASE_TARGET_DEALER,
+  SPECIAL_CASE_TARGET_PLAYER,
+  SPECIAL_CASE_TARGET_RIGHT,
+  SPECIAL_CASE_TARGET_LEFT,
+} SpecialCaseTarget;
+
+#include "game.h"
+
+struct SpecialCase {
+  SpecialCaseType type;
+  SpecialCaseTarget target;
+  int score;
+};
+
+SpecialCase calculate_special_case(Game *g);
+
+#endif