[Event "6th Nutcracker Classical"] [Site "Moscow RUS"] [Date "2020.03.06"] [Round "3.3"] [White "Tomashevsky, E."] [Black "Lomasov, Semyon"] [Result "*"] [ECO "E11"] [WhiteElo "2701"] [BlackElo "2533"] [Annotator "Dhopade,Swapnil"] [SetUp "1"] [FEN "r4rk1/pb2qp1p/np1pp1p1/8/3P4/2RBP3/PP1N1PPP/3Q1RK1 w - - 0 15"] [PlyCount "18"] [EventDate "2020.03.04"] [WhiteTeam "Kings"] [BlackTeam "Princes"] 15. Qa4 $1 {developing with tempo.} Nc7 16. e4 $1 {[%csl Rc7] covering the d5 square and thus restricting the knight on c7 and also the bishop on b7.} Rfc8 17. Rfc1 Kg7 18. Nf1 $1 {[%CAl Gf1e3] transferring the knight to a more active e3 square.} Ne8 19. Ne3 Nf6 20. f3 {[%csl Ge4,Gf3] the shield of f3-e4 pawns strongly limits the black bishop on b7.} d5 21. e5 Ng8 {a strange retreat but black hopes to bring the knight back via e7. But as we will see in the game it never really happens.} 22. f4 Rxc3 23. Rxc3 Qd8 {[%CAl Gg8e7] Black intends to bring his knight back into the game with Ng8-e7. [#] Find the best move for white.} *