Exchange sacrifice

  • #1

    At this position white (me) must be better but what can play.
    I played 21.Rd2 but 21.f4 was interesting to me.
    But I was ready to play 21.R:N K:R 22.N:e5+ and maybe 23.N:Bg6 
    I did not want to take the risk of  this  sacrifice because I was ok.What do you thing,it is good this  sacrifice?
    I finally won this game even I make some inaccuracies later

  • #2

    It is rare to see so many good moves in a single position. I can understand your hesitation. This is Hiarcs 14 analysis. After some seconds it shows preference for the plan of making blacks drop the pawn c6.

    Hiarcs14:
    +2.24/16 21.Rd3 Rd8 22.Rc1 Be7 23.Na5 Nb8 24.Nd5+
    +2.07/16 21.Rc1 Bh5 22.Na5 Nb8 23.f4 Kd8 24.Rf2 Bd6
    +1.97/16 21.Bh3 Bh5 22.f3 Rg8 23.Bf5 Rd8 24.Na4
    +1.87/16 21.Na5 Rc8 22.f4 Bh5 23.Rd2 exf4 24.gxf4 g5 25.f5 Nf4 26.Rxf4 gxf4 27.Bxf4+ Kd8 28.e5 Ke8 29.e6 fxe6 30.fxe6 Nf6
    +1.85/16 21.Rxd7+ Kxd7 22.Nxe5+ Kc7 23.Rc1 Nd8 24.Nxg6 fxg6 25.Bf1 a5 26.bxa5
    +1.85/16 21.Rd2 Nd4 22.Nxe5 Nxe5 23.Rxd4 a5 24.Rc1 axb4 25.axb4 Kb7 26.Na4 Bh5 27.Nc5+ Kc8 28.Bh3+ Kc7 29.Bf4
    +1.77/16 21.f4 Bh5 22.g4 exf4 23.gxh5 fxe3 24.Rxf7 Re7 25.Rf5 g5 26.hxg6 Rg8 27.Rf7 Rxf7 28.gxf7 Rg7 29.Rf1 Ng5 30.Nxe3 Rxf7 31.h4 Rxf1+ 32.Bxf1 Nf3+ 33.Kf2 Nxh4 34.Bxa6 Ne5
    +1.71/16 21.h4 f6 22.Bh3 Bh5 23.Rd3
    +1.68/16 21.f3 f6 22.Na5 Nd4 23.Bxd4 exd4 24.Rxd4 c5 25.Nd5+
    +1.57/16 21.Kh1 f6 22.Bh3 Bf7 23.f4 Rd8 24.fxe5 Ng5 25.e6
    +1.45/16 21.Bf3 h5 22.Bg2 h4 23.f4 hxg3 24.hxg3 Nd4 25.Nxe5 Nxe5 26.Rxd4 Ng4 27.Bc1 c5 28.Rc4 Kb6 29.Nd5+ Kb5 30.Rc2 Bd6
    +1.55/15 21.Rfe1 f6 22.Bh3 Bf7 23.f4 Be7 24.Rf1 Nef8 25.Na5
    +1.53/15 21.Na4 Nd4 22.Bxd4 exd4 23.Rxd4 c5 24.Rd2 Bxe4 25.Rfd1 Bf5
    +1.42/15 21.Rb1 Nd4 22.Nxe5 Nxe5 23.Bxd4 Nc4 24.Ra1 Nd2 25.Rfd1 Nb3 26.Rab1 Nxd4 27.Rxd4 Be7 28.Rc1 Rd8 29.Rxd8 Bxd8 30.f4 Re8 31.e5 Be7
    +1.35/15 21.h3 f6 22.Na5 Bf7 23.Rd3 Nd4 24.Bxd4 exd4 25.Rxd4 c5 26.Nd5+ Kb8
    +1.35/15 21.Bh1 f6 22.f4 exf4 23.gxf4 Bf7 24.e5
    +1.32/15 21.Bc1 Nd4 22.Nxe5 Nxe5 23.Rxd4
    +1.28/15 21.Rde1 f6 22.Rd1 Nd4 23.Bxd4 exd4 24.Rxd4 c5 25.Rd2
    +1.26/15 21.Ra1 f6 22.Rad1 Bf7 23.Na5 Bd6 24.Bf3 Nd4 25.Bxd4 exd4 26.Rxd4 c5 27.Nd5+ Kb8 28.bxc5 Bxc5 29.Rb1+ Kc8 30.Rd3 Bxd5
    +1.21/15 21.Ne2 f6 22.Nc3 Bf7 23.Na5 Bd6 24.Bf3 Nd4 25.Bxd4 exd4 26.Rxd4 c5 27.Nd5+ Kb8

  • #3

    Thank you.
    I did not see the plan to play against the c (and a) pawns (first variation of hiarcs), now I thing it must be the best plan,the black B and Rook maybe come in play but now I have better development and I can play against them and black king may have also problems
     At the game I played Rd2 and R1d1 and even then I had oportunities to have  a better position.
    Finally we reach the 4 against 4 pawns with rooks engame that my pieces were more active,I thing that black should draw this engame but my opponent help me to activate too much my king and i won with 2 pawns up Laughing

  • #4

    The sac is interesting but my first choice would be to play Rc1 with the idea of Na5 beating on c6. There's still plenty of pieces on the board and black's king is not safe. Black has to untangle his pieces and your threats develop quickly.  I'm sure you win at least a pawn.  Black may have some type of defense but it would be super hard and your moves are simple to find.

  • #5

    Maybe black is at least much  worst at this position and a man with good technique (like karpov!) may win with white,even we exchange many pieces I had the most active pieces and he did not find the best moves to handle the position.
    [edit]Maybe also Rd2 or Rd3 with Rc1 is best,one rook holding the d file having the choice of doubling rooks .

  • #6

    Ι think Rc1, followed by Na5 would be a solid plan, while I also liked the doubling of the rooks on -d- file, as Dimis played. Yet, I would have probably gone for the exch. sac with 21.Rxd7+ , 22.Nxe5+ and 23.Nxg6. White seems much better after shattering black's pawns.

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