[%c_effect d2;square;d2;type;Interesting;persistent;true] This looks like an ugly move, but it has a clear positional foundation. White wants to develop the bishop with b3-Bb2. After completing this plan, the queen no longer looks so silly on d2.
1. c2c4  1... c7c5  2. g2g3  2... b8c6  3. f1g2  3... g7g6  4. b1c3  4... f8g7  5. d2d3  5... d7d6 