From f8b5947186e40c25a26aa0f9f824ac856279edf4 Mon Sep 17 00:00:00 2001
From: mmorge <maxime.morge@univ-lyon1.fr>
Date: Wed, 4 Jun 2025 16:16:23 +0200
Subject: [PATCH] PyGAAMAS: Strategies generated by models fo MP
---
src/mp/mp.py | 39 ++++++++++++++++++++++++++++-----------
1 file changed, 28 insertions(+), 11 deletions(-)
diff --git a/src/mp/mp.py b/src/mp/mp.py
index abc4153..87c6d59 100644
--- a/src/mp/mp.py
+++ b/src/mp/mp.py
@@ -203,15 +203,8 @@ class MP:
"""Play the next move using a heuristic."""
prediction = ""
print(self.model)
-
if self.model == "gpt-4.5-preview-2025-02-27":
- """
- Play the next move using a heuristic.
- - Simple strategy: Alternate between "Head" and "Tail".
- - Prediction: Assume opponent is also alternating.
- """
moves = ["Head", "Tail"]
-
# If no rounds played, start with "Head"
if not self.history:
move = "Head"
@@ -221,20 +214,16 @@ class MP:
+ (f"Predicting opponent starts with 'Tail' (alternating)." if self.prediction else "")
)
return move, prediction, reasoning
-
# Get last move you played and the opponent's last move
last_agent_move = self.history[-1]["Agent Move"]
last_opponent_move = self.history[-1]["Opponent Move"]
-
# Alternate your move from last time
move = "Tail" if last_agent_move == "Head" else "Head"
-
# Prediction: Suppose opponent is also alternating
if self.prediction:
prediction = "Tail" if last_opponent_move == "Head" else "Head"
else:
prediction = "None"
-
reasoning = (
f"Last round I played {last_agent_move}, opponent played {last_opponent_move}. "
f"I'm alternating my move to '{move}'. "
@@ -244,6 +233,34 @@ class MP:
)
)
return move, prediction, reasoning
+ if self.model == "mistral-small":
+ if not self.history:
+ # If there is no history yet, play randomly.
+ moves = ["Head", "Tail"]
+ return random.choice(moves), f"First round, choosing {random.choice(moves)}."
+ head_count = 0
+ tail_count = 0
+ for move in [r['Opponent Move'] for r in self.history]:
+ if move == 'Head':
+ head_count += 1
+ elif move == 'Tail':
+ tail_count += 1
+ # If there are more heads, play Tail and vice versa.
+ if head_count > tail_count:
+ next_move = "Tail"
+ elif tail_count > head_count:
+ next_move = "Head"
+ else: # Equal counts
+ moves = ["Head", "Tail"]
+ next_move = random.choice(moves)
+ reasoning = f"Opponent's 'Head' count: {head_count}, 'Tail' count: {tail_count}. Chose to play '{next_move}' based on the opponent's move frequency."
+ return next_move, "None", reasoning
+ if self.model == "qwen3":
+ move = random.choice(["Head", "Tail"])
+ prediction = move # Assume the opponent will match our move
+ reasoning = f"Choosing randomly. Assuming the opponent will match my move {move}."
+ return move, prediction, reasoning
+ return "None", "None", "None"
else:
opponent_move = self.opponent_strategy_fn(self.history)
--
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