1. d2d4  1... d7d5  2. c2c4  2... c7c6  3. g1f3  3... g8f6  4. e2e3  4... g7g6 This variation is named after Carl Schlechter, a player who almost became the world champion and drew the most mysterious match in chess history, against Emanuel Lasker in 1910. 5. b1c3  5... f8g7  6. f1e2  6... e8g8  7. e1g1 Black has many choices in this position. 7... c8e6  8. b2b3 White can also fight for the advantage with other moves. 8... f6e4  9. c1b2  9... b8d7 