[Event "78-th Tata Steel-Group A"] [Site "https://lichess.org/study/XSUNzVHY/QGbMlVyt"] [Date "2016.01.26"] [Round "9"] [White "Wei, GM."] [Black "Navara, David-GM"] [Result "1-0"] [WhiteElo "2706"] [BlackElo "2730"] [Annotator "Kryvoruchko Vita"] [UTCDate "2017.10.08"] [UTCTime "22:28:00"] [Variant "Standard"] [ECO "C65"] [Opening "Ruy Lopez: Berlin Defense"] [Source "https://lichess.org/study/XSUNzVHY/QGbMlVyt"] [Orientation "white"] 1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 { Berlin Defence } 4. d3 Bc5 5. Bxc6 dxc6 6. Nbd2 O-O 7. Nc4 (7. Nxe5??) 7... Nd7 8. Qe2 Re8 { a typical strategy idea of middlegame to put the rook on the same file,where are king andqueen } 9. Bd2 Bd6 { Why Black decided to make this move? } 10. h4 { a typical idea in the middlegame-to attack on the king's side and open h-file } 10... c5 11. h5 h6 { to stop h6,of course.But pawn on h6 is weak now. } 12. O-O-O Nb8 (12... Nf8!? { with idea Ne6 to stop g5 }) 13. Rdg1 { So,White improve pieces step by step,focus it on g5-square with idea to push g4-g5 and open g-file. } 13... Nc6 14. g4 f6 { So,sometimes you can play slowly,you have time to improve all your pieces with idea to open a file.But also you should calculate tactical combintions,you can sacrifised the pawns and pieces with same idea to open a file. } 15. g5 { White forced Black to open g-file } 15... fxg5 16. Nxg5 { You can ask me,when I can play slowly and when I should try to find some tactical ideas?First of all you should improve your pieces,attack with all your pieces a weak pawn or square,you can cut your opponents pieces to the back rank, because you will have advantage in space. After that you can try to find some tactical ideas. } 16... Nd4 17. Qd1 hxg5 18. Bxg5 Be7 19. Be3 { Don't trade the pieces, if you have strong attack.Also you are without bishop,so endgame is losing for you } 19... Bf6 20. h6 Re7 (20... g5 { with idea to block h-file and don't open g-file,but it's too weak for the king } 21. Bxg5 (21. Qh5 g4 $44) 21... Bxg5+ 22. f4 Ne6 (22... exf4 23. Qh5 $18) 23. fxg5 $18) 21. hxg7 Rxg7 22. Qh5 { improve the queen,to put on the open h-file. It's a typical idea of middlegame,if your opponent has not pawn on h-file and it's difficult to stop invasion on the h7 or h8-squares. The main idea to have the open-file it's to use the 7-th or 8-th rank. } 22... Be6 23. Bh6 { drive off the defender with idea to trade the rooks on g-file and Rg7 can not protect the king now } 23... Bf7 24. Bxg7 Bxh5 25. Bxf6+ Kf8 26. Bxd8 Ne2+ 27. Kb1 Nxg1 28. Bxc7 { 1-0 Black resigns. } 1-0