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What is Black's best move?


  • 10 months ago · Quote · #1

    yeres30

    In the position below after 22.Rd3 in Sochi 1973 what is Black's best move? Why?

  • 10 months ago · Quote · #2

    Phylar

    I like Bb7. It maintains and increases pressure on the Knight located at c3, applies pressure to the Bishop on e5 and indirectly attacks the Rook located on e3. White can't protect everything.

  • 10 months ago · Quote · #3

    yeres30

    That's exactly what GM Alexey Suetin played  22...Bb7.

    To this IM Josip Rukavina replied with 23.Bxg7 Kxg7 24.Rb1. (See diagram left).

    So now, who has the better position and how should play continue?

    Analysis  would be helpful.

  • 10 months ago · Quote · #4

    Phylar

    My most natural move and the first one I saw would be Rdc7 lining up for a forceful push along the c-file.

    However...

    Ba6 attacking the Rook and forcing it to move away from the defense of the Knight is likely best.

    24...Ba6 25. Rdd1 (Rdd2 would be a mistake allowing for multiple additional threats) Rxc3 and White is down a piece with loss of time.

    EDIT: Btw, do you mean analysis with a board?

    Btw, Black still has a better position but it is only marginal. White has some counterplay with b4 but Black can easily navigate to f5 or any other reasonable square easily.

  • 10 months ago · Quote · #5

    dzikus

    24...Ba6 25.b4 is a way to save the piece (and probably the reasoning behind 24.Rb1)

    I like 24...Qf5 though, with a threat of Rxc3 (destroying the defender of Rb1 and deflecting Rd3 to uncover now undefended Rb1)

    The other threat to worry about is Ba6 (with Qf5 there is no b4 defence)

    Therefore Qf5 gives black nice initiative in my opinion

  • 10 months ago · Quote · #6

    yeres30

    The game actually went as analysed: 24.Rb1 Ba6 25.b4 Qf5 26.b5 (See Diagram left)

  • 10 months ago · Quote · #7

    Phylar

    So Yeres, what would you consider as the best move after Rb1?

  • 10 months ago · Quote · #8

    yeres30

    Phylar wrote: So Yeres, what would you consider as the best move after Rb1?

    GM Alexey Suetin's 24...Ba6 is the best move after 24.Rb1.

    So, Phylar, after 24.Rb1 Ba6 25.b4 Qf5 26.b5 What is Black's best move?



    BTW Phylar here's a puzzle involving K+R vs. K: Question: How many moves will White take to get a mate. (See position left)

  • 10 months ago · Quote · #9

    Phylar

    yeres30 wrote:
    Phylar wrote: So Yeres, what would you consider as the best move after Rb1?

    GM Alexey Suetin's 24...Ba6 is the best move after 24.Rb1.

    So, Phylar, after 24.Rb1 Ba6 25.b4 Qf5 26.b5 What is Black's best move?

    BTW here's a puzzle involving K+R vs. K: Question: How many moves will White take to get a mate. (See position left)

    "Remove the Defender"

    26...Rxc3 with White unable to defend.

    If 27. Rxc3 then Qxb1+ followed by the eventual Bxb5

    As for the diagram:

    1. Rh7 Kg8 2. Kg6 Kf8 3. Rg7 + 4 moves for the pawn =R or Q

    So 7 should be correct.

  • 10 months ago · Quote · #10

    yeres30

    Phylar wrote:yeres30 wrote: 

    "Remove the Defender"

    26...Rxc3 with White unable to defend.

    If 27. Rxc3 then Qxb1+ followed by the eventual Bxb5

    As for the diagram:

    1. Rh7 Kg8 2. Kg6 Kf8 3. Rg7 + 4 moves for the pawn =R or Q

    So 7 should be correct.

    Phylar, nice work. Indeed 26...Rxc3 is what GM Suetin moved causing White to resign at once

    However, on the diagram, can you find a much quicker way to mate?

    Such as for example ----> Mate in only 3 moves?

     

     

    Here's another one:=================>>>

  • 10 months ago · Quote · #11

    Phylar

    If I can, I don't see it. What I know of K+R endgames is you need to use your King to block off escape squares your opponent may have. Basically you want to keep them on the side of the board. However, White cannot do that here as Black can easily move over and continue doing that for as long as he wants.

    So either I am missing something, or that was something of a trick question :| (I shall keep searching)

    1. Kf3 Ke8 2. Rd5 Kf8 3. Rd8#

    Variation

    1. Kf3 Kg8 2. Rh6 Kf8 3. Rh8#

  • 10 months ago · Quote · #12

    Phylar

    For the second diagram the same thing applies.

    1. Rd5 Kf8 2. Rg5 Ke8 3. Rg8#

  • 10 months ago · Quote · #13

    deandyu

    @Yeres



  • 10 months ago · Quote · #14

    Phylar

    Btw Yeres, would you prefer if I posted boards with the moves as I see them? I run through everything in my head so it didn't really strike me to post the positions so others could see them.

  • 10 months ago · Quote · #15

    yeres30

    Phylar wrote:

    For the second diagram the same thing applies.

    1. Rd5 Kf8 2. Rg5 Ke8 3. Rg8#

    That's great. Now you got the hang of a faster way to get a mate. Of course cornering the K to the edge of the board is still the technique.

  • 10 months ago · Quote · #16

    Phylar

    yeres30 wrote:
    Phylar wrote:

    For the second diagram the same thing applies.

    1. Rd5 Kf8 2. Rg5 Ke8 3. Rg8#

    That's great. Now you got the hang of a faster way to get a mate. Of course cornering the K to the edge of the board is still the technique.

    I am working hard to improve. Before the posts above I never really thought of mating the King in that fashion. A hefty plus to you Yeres for pointing something like that out (indirectly haha).


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