20 January 2018

Annotated Game #185: Take those free tempi

This next tournament game continues the theme (from Annotated Game #184) of the value of a tempo.  My opponent at various times gives me a free tempo; in particular, 15. Qc1 is a turning point in the game, as I am able to then seize the initiative.  The value of the advantage of active piece placement is then demonstrated a few moves later, as various tactics hang in the air and my opponent misses a key square weakness.

The game also illustrates the strengths of the Caro-Kann Classical as a defense, as Black's setup allows his pieces to spring into action whenever White lets up the pressure; along those lines, see also the classic pawn break suggestion by Komodo on move 17.

[Event "?"] [Site "?"] [Date "????.??.??"] [Round "?"] [White "Class B"] [Black "ChessAdmin"] [Result "0-1"] [ECO "B18"] [Annotator "ChessAdmin/Komodo 11.2"] [PlyCount "48"] {[%mdl 8192] B18: Classical Caro-Kann: 4...Bf5 sidelines} 1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. N1e2 Bd6 8. O-O Nd7 9. Kh1 $146 { this just seems to waste time.} Qc7 {with the idea of opening the way for queenside castling, as well as establishing a Q+B battery on the b8-h2 diagonal.} 10. Bg5 Ne7 {this is the usual square for the knight in this variation of the Caro-Kann Classical, largely to further protect against an advance of White's f-pawn.} (10... Ngf6 {is certainly possible, however.} 11. f4 O-O $11) 11. Bxe7 {an unnecessary exchange of bishop for knight.} Bxe7 $15 ( 11... Kxe7 $5 {is a suggestion by Komodo, leaving the bishop on the better diagonal. Black's king would then drop back to f8 if necessary.}) 12. f4 O-O-O {Black now has a pleasant position. My king is well protected and my pieces are better coordinated.} 13. f5 exf5 {no need to let White exchange off my bishop.} 14. Nxf5 {White's knight fork is taken care of with my next move.} Bf6 {the two bishops are looking good together.} 15. Qc1 {whatever the intent behind this move was, it was too slow. Now I'm able to start taking the initiative.} (15. Bd3 Kb8 $15) 15... Nb6 16. Bd3 Kb8 {prudently moving the king off the h3-c8 diagonal.} 17. c3 Rhe8 {getting the rook into play on the open file.} (17... c5 $5 {is Komodo's idea, a pawn break which would further activate Black's pieces.} 18. dxc5 Na4 19. Ned4 Nxc5 $17) 18. b4 {this is aggressive-looking, but it just creates more weaknesses.} (18. Neg3 $5 $15) 18... Nd5 $17 {there are now various tactical ideas swirling, including a knight hop into e3 and a potentially overloaded Bd3. White currently has everything covered, but with his next move signals that he missed the weakness of the e3 square.} 19. Qc2 $2 Bxf5 $19 20. Rxf5 (20. Bxf5 Ne3 21. Qb2 Nxf1 22. Rxf1 Re3 $19) 20... Ne3 21. Qb2 Nxf5 22. Bxf5 Re3 {clearing the e8 square for the other rook to double up on the open file.} 23. a4 {White is still pinning his hopes on an attack on my king position, but again it is too slow.} Rde8 { White now has back rank problems and his pieces are vulnerable.} 24. Ra2 (24. Ng1 {there is nothing better in the position} Qf4 25. Bd7 $17 R8e7 26. Bh3 Re1 $19) 24... Qf4 0-1

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