<|im_start|>system
You are a helpful AI assistant.<|im_end|>
<|im_start|>user
Let play chess. My first move 1.d4<|im_end|>
<|im_start|>assistant
Great, I accept your challenge. Since you opened with 1.d4, I'll respond with 1...Nf6, which is a common and flexible response that aims to control the center and develop a knight. It's now your turn to make your second move. Let the game begin!<|im_end|>
<|im_start|>user
d5<|im_end|>
<|im_start|>assistant
c6<|im_end|>
<|im_start|>user
1. d4 d5
2. c4<|im_end|>
<|im_start|>assistant
1. d4 d5
2. c4 dxc4<|im_end|>