1. e2e4  1... c7c5  2. g1f3  2... e7e6  3. d2d4  3... c5d4  4. f3d4  4... b8c6  5. b1c3  5... a7a6 The most popular move is 5...Qc7, but my favorite has always been 5...a6. I've played this position so many times with Black that I've lost count. 6. c1f4 White has many different attempts here. This move is only the eighth most popular. 6... d7d6  7. f4g3  7... f8e7  8. f1e2  8... c8d7 This move defends the c6-knight and prepares the development of the kingside. 9. d4b3  9... e6e5 A new move and the first of a series of extremely difficult moves that Caruana will play in this game. If I had a thousand lives, in none of them would I have ever played this move, as my prejudice against weakening the d5-square is far too great. Naturally, Caruana has a superior understanding of chess and knows quite well the risks of this move. 10. e2g4 Probably surprised by Black's daring strategy, Moradiabadi immediately makes a mistake. 10... d7g4  11. d1g4  11... h7h5 Advancing the pawns in front of the king is always difficult, although here, this move is quite tempting, as the white bishop is uncomfortable on g3. 12. g4h3  12... h5h4  13. f2f3 Taking advantage of the pin to save the bishop.