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Jim West Talks Chess: Missed Wins for Both Sides

On Saturday, my game at Hamilton NJ against national master Dragan Milovanovic [Black] ended in a draw, but not before both sides missed wins.  

 

 

 

 

 

 

Milovanovic has just played 26...Nd3, attacking my bishop. The simplest way to maintain an equal position would have been 27.Bd2 Nxb2 28.Bb4 Kf7 29.Ke3 a5 30.Be1 Nd3 31.Bc3 Nc5 32.Bd4 e6 33.Bxc5 bxc5 34.Kxe4 Ke7.  Instead I chose the more difficult 27.Kd1 Kf7 28.b3 Ke6 when the endgame is still a draw after 29.Bd2 Kf5 30.g3 Kg4 31.Ke2 Kh3 32.Ke3 Kxh2 33.Kxe4 Nc5+ 34.Kf3.  The game continuation 29.Be3?? Kf5 30.g3 Kg4 31.Ke2 should have led to defeat after 31...Kh3 32.e6 Kxh2 33.g4 Nb4 34.f5 Nd5.  My opponent's 31...e6?! allowed me to redeploy by 32.Bd2 Kh3 33.Ke3 Kxh2 34.Kxe4 Nc5+ 35.Kf3.

A few moves later, it was Black's turn to stumble into a lost position.

 

 

 

 

 

Black's last move 36...Kh3?? was a blunder.  He should have played 36...Nd3 with equality. Now I missed a win by 37.Bxc5 bxc5 38.a3 a6 39.b4 c4 (39...h4 40.gxh4 cxb4 41.h5! gxh5 42.axb4 Kh4 43.f5 Kg5 44.f6) 40.a4 c3 41.Ke2 Kxg3 42.b5 axb5 43.a5! when the a-pawn will queen but the h-pawn will not.  Instead 37.Bf2?! allowed Black to escape by 37...Nb7.

Comments


  • 3 years ago

    Elubas

    Not really. Playing the wrong move in that case made the difference between losing and not.

    If the move was instead inaccurate but didn't make a big difference in the correct result (for example: "this isn't so good, but he was lost anyway.") then I might agree. 

  • 3 years ago

    hicetnunc

    The pawn endgame after 37.Bxc5 is insanely difficult to calculate, so appending ?? to Kh3 is maybe a bit harsh (at least for an OTB game) Smile

  • 3 years ago

    Elubas

    Ok, thank you. Seeing it out on a board, it's very clear white can't keep shuffling back and forth when black makes some nice king manouvers.

  • 3 years ago

    Jpatrick

    Picking up the action after Black's hypothetical 46th shown earlier. The point of that continuation was to demonstrate that the Knight was better than the Bishop. I claimed after move 46 that White would soon be in Zugzwang.

    This analysis shows several continuations of this Pawn ending where White will wind up in Zugzwang, having to yield his f Pawn and the game.

    This Pawn ending isn't difficult, but you do have to be accurate. In light of that, I show a couple ways to botch it on Black's first move alternatives.  If you reach a point where I claim it's Zugzwang and you still don't get it, sit down and work it out. I've done enough.

     

  • 3 years ago

    Elubas

    Jpatrick, could you, for our benefit, play out your final king and pawn endgame a bit more? I do not see exactly where white is in zugzwang; even if he has to move his king it seems he could shuffle between e4 and e3; black could try undermining e5 with ...g5 or something, but really this could use a lot more playing out.

  • 3 years ago

    Jpatrick

    If you can show me a line where White holds the draw after 46...b5 I'd sure like to see it. 

  • 3 years ago

    Treeborn

     Jpatrick i think the after move 46 the game is still gonna end in a draw.

    i can't find any win for black, nor zugzwang for white

  • 3 years ago

    markronilodevera

    nice 0ne men!

  • 3 years ago

    herbanmusic

    bless jim... been folowing your blogspot for quite a bit now...Thanks for your insights

  • 3 years ago

    Rupertg

    I think that blacks e6 was probably forced. You say its an error and give a variation to support this. However I think white is actually winning after 34 Nd5. White can play 35 Bg5 with the idea of taking on e7 and marching his pawns through to victory. I just took a quick look but I didn't find an adequate defence for black.

  • 3 years ago

    Jpatrick

    Truth is 37...Nb7 is a lemon.  Black should still win this one, though the depth and technical difficulty is above my pay grade. I'd never find this continuation over the board.

     

     

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