1. c2c4  1... c7c6  2. g1f3  2... d7d5  3. e2e3  3... g8f6  4. b1c3  4... a7a6 The Chebanenko Slav, named after a prominent Moldovan coach, is one of the most important opening discoveries of the second half of the twentieth century. 5. d2d4  5... c8f5  6. d1b3  6... b7b5  7. c4c5  7... a6a5  8. f3h4  8... f5c8 The bishop is far from shy about moving back to the initial position in many lines of the Slav. 9. f2f4 All of this has been seen in a game from the 2018 Batumi Olympiad, which both opponents should definitely have known. After a long think, Makarian set up the board for a new game... 9... f6g8 [%c_effect g8;square;g8;type;Interesting;persistent;true] Jokes aside, there is a serious threat behind this retreat. Besides, the move prepares the optimal development of the black pieces. 10. h4f3 Erigaisi also spent a good amount of time on the clock before retreating himself. 10... a5a4 Apparently also a necessary pawn move. 11. b3c2  11... g7g6 Quite a picturesque position $1 Black has played \"beginner's chess,\" using only his pawns instead of developing the pieces. Still, since his pieces are about to occupy their optimal squares, and since, of course, the position is locked, he can afford to play like that $1 12. f3e5 White prefers to preserve his light-squared bishop from a possible trade. 12... f8g7 Black also keeps his light-squared bishop on its initial square for the time being. 13. c1d2  13... g8h6  14. f1e2 White has to lose a tempo for starters. 14... e8g8  15. e1g1 