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ANNOTATED GAME

Somewhere behind the horizon
N.N. vs. klausjunge
Annotated by: klausjunge (2188)
Chess opening: Caro-Kann (B12), advance, Short variation
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Pages: 12
50... Kc7 51. Ke3 Kc6 52. Nxf7 Kxc5
Black is still a pawn up but still the position should be almost equal because for the moment white can defend his pawns and it is hard to see how black can progress. Meanwhile I had been contented with a draw, but my opponent declined my draw offer. So I was forced to play for a win. :-)

 
53. Nd8 Rh6 54. Kd3 Rh3+ 55. Ke2 Kd4
Black has to exchange or better to erase white's pawns to progress.

 
56. Nxe6+ Kxe5
56. ... Kxe4? is met by 57. Ng5+ ...

 
57. Ng5 Rg3
Overcoming white's defense of his pawn.

 
58. Nf3+ Kxe4
Okay folks, from now on only black can hope for a win. But already Wilhelm Steinitz knew that this endgame of black rook vs. white knight is equal if white succeeds in keeping a close connection between king and knight. So my only chance was to try to create difficulties for my opponent in that.

 
59. Nd2+ Kf4 60. Kf2 Rc3 61. Ke2 Rh3
Aiming to force back the black king on the first line to intensify white's problems to keep the connection between king and knight.

 
62. Kf2 Rh2+
Succeeded in forcing back the white king.

 
63. Ke1
63. ... Ke3? aiming for a mate is of course met my 64. Nf1+ ... So the rook has to leave the square h2 first.

 
63... Rh1+
Aiming for a mate on the first line.

 
64. Ke2 Rh3 65. Kf2 Rh2+ 66. Ke1 Rg2
Okay that didnt't work and I had to concentrate on escaping the threefold repetition.

 
67. Kd1 Ke3
For a moment the contact between king and knight is interrupted because of black's pressure. But until now this isn't enough for black to win.

 
68. Nb3 Rb2 69. Nc1
The only move that keeps the connection between king and knight and thus keeps white in the game. For example 69. Na1 ... ? is met by 69. ... Rb1+.

 
69... Rh2
I was trying to keep the king locked in lying in wait for the critical mistake.

 
70. Nb3
Again the only move.

 
70... Kd3
Threatening the mate on the first line.

 
71. Nc5+
The critical mistake! Now the white knight is seperated from his king and will fall prey to black sooner or later. Obviously my opponent didn’t knew the aforementioned rule for this endgame. It’s notable that even today strong engines have problems to realize that from now on white is lost. Even after deep calculation they admire 71. Nc5+ .. , 71. Nc1+ ... and 71. Ke1 ... as equal. But only 71. Nc1+ ... is drawish while 71. Nc5+ ... ? and also 71. Ke1 ... ? lose. So the consequences of his move must have been beyond my opponents horizon.
1 comment
 
71... Kd4 72. Na6
Or 72. Nb3+ Kc3 and then 73. Nc5 Rh4 or 73. Nc1 Rh1+ or 73. Na5 Rh4 and so on. There is no way back for the white knight.

 
72... Rb2 73. Nc7 Ke5 74. Ke1
Or 74. Na8 Kd6 or 74. Ne8 Rb7.

 
74... Rb7 75. Na6 Kd6 76. Ke2 Rb6
As I mentioned there is no way out for the white knight.

 
77. Nc7 Kxc7
The rest is silence. That indeed was a lot of hard work, folks!

 

Pages: 12