context: 1. e2e4  1... e7e5  2. g1f3  2... b8c6  3. f1c4  3... f8c5  4. c2c3  4... g8f6  5. d2d4  5... e5d4  6. e4e5 A fashionable line, embraced by Wesley So, among other GMs. 6... d7d5  7. c4b5  7... f6e4  8. c3d4  8... c5b6  9. b1c3 White builds a strong center, at the expense of his development. Thus everything will depend now on Black. Will the temporary advantage in strength be good enough to ruin the center with breaks c7-c5 or f7-f6, or will White be quick enough to stabilize the position $2 9... e8g8 