1. e2e4  1... e7e5  2. f1c4 The Bishop opening is often used to avoid the Petroff  Defense. 2... g8f6  3. d2d3  3... c7c6  4. g1f3  4... d7d5  5. c4b3  5... a7a5  6. a2a4  6... f8b4 One of the good continuations for Black. Ju deprives the  opponent's knight of the c3 square. 7. c2c3  7... b4d6  8. e1g1  8... e8g8  9. e4d5  9... c6d5  10. b1a3  10... b8d7  11. f1e1  11... h7h6 Now the Bc1 feels uncomfortable. 12. a3b5  12... d6b8  13. d3d4 Sooner or later White will have to fight for the center. 13... e5e4  14. f3d2 