1. e2e4  1... c7c6  2. g1f3  2... d7d5  3. d2d3 Curiously, this timid-looking system is often played by aggressive chess players. 3... d8c7  4. b1c3  4... d5e4  5. d3e4  5... b8d7  6. a2a4  6... g8f6  7. f1c4  7... d7b6  8. c4b3  8... c8g4 [%c_effect g4;square;g4;type;GreatFind;persistent;true] The only acceptable justification for the previous move. The bishop has to be developed since it is shut out of the game in case of 8...e6. 9. h2h3  9... g4f3 