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Subject: Re: A move missed by Kasparov, Botvinnik and Smyslov === Moscow, 1983

Author: Dieter Buerssner

Date: 11:13:38 01/28/03

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On January 27, 2003 at 12:46:32, José Antônio Fabiano Mendes wrote:

>      Kasparov-Belyavsky, Moscow 1983 match
>      r4r2/pq3pk1/1p3p1p/8/3Q4/8/PP3PPP/R4RK1 w
>And here Kasparov played 21. Rac1, but the best move is 21. a4 [both Botvinnik
>and Smyslov, following the game by phone, also missed the pawn move, suggesting
>21. Rad1 instead]. The best move was found by an unknown spectator, it brings
>the Queen Rook swiftly into the game. Kasparov's move only led to a long draw.
>      Source ==> http://www.chessgames.com/perl/chessgame?gid=1070060

Yace chooses a4 for a while:

  24823737  40.305   0.82 11t  1. Rad1 Rg8 2. Rd3 Kh7 3. g3 Qc6 {0}
  42378055  1:09.9   0.82 11.  1. Rad1 Rg8 2. Rd3 Kh7 3. g3 Qc6 {0}
  62455968  1:43.3   0.75 12t  1. Rad1 Rg8 2. Rd3 Qc6 3. Rfd1 Rac8 4. Qg4+ Kh7
                               5. Qf5+ Rg6 6. g3 Qc2 7. Qd7 Rc7 8. Qd6 f5H
                               {HT} {0}
 155970495  4:19.3   0.76 12t+ 1. a4 Rg8 2. Ra3 Rae8 3. Rg3+ Kh7 4. Qxf6 Rxg3
                               5. fxg3 Re4
 167575605  4:39.0   0.77 12t  1. a4 Rg8 2. Ra3 Kh7 3. g3 Kg7H 4. Qg4+H Kf8H
                               5. Qf5H Kg7H 6. Qf3H Qxf3H {HT} {-1001}
 191897329  5:19.5   0.77 12.  1. a4 Rg8 2. Ra3 Kh7 3. g3 Kg7 4. Qg4+ Kf8 5.
                               Qf5 Kg7 6. Qf3 Qxf3 {HT} {-1001}
 279262586  7:44.5   0.77 13t  1. a4 Rg8 2. Ra3 Qc6 3. Rc3 Qe6 4. Rg3+ Kh7 5.
                               Qd3+H Kh8H 6. Qd2H {HT} {0}
 424307498 11:46.3   0.77 13.  1. a4 Rg8 2. Ra3 Qc6 3. Rc3 Qe6 4. Rg3+ Kh7 5.
                               Qd3+ Kh8 6. Qd2 {HT} {0}
 557460961 15:28.4   0.72 14t  1. a4 Rg8 2. Ra3 Qc6 3. Qf4 Kh7 4. g3 Rac8 5.
                               Rc3 Qe6 6. Rc7 Rxc7 7. Qxc7 a5 8. Rc1 {0}
 779307271 21:33.7   0.73 14t+ 1. Qg4+ Kh7 2. Qf5+ Kg7 3. a4 Qc8 4. Qf4 Rd8 5.
                               Ra3 Kh7
 949231320 26:15.6   0.73 14t  1. Qg4+ Kh7 2. Qf5+ Kg7H 3. a4H Qc8H 4. Qf4H
                               Qc5H 5. Rac1H Qg5H 6. Qg4H Qxg4H 7. b3H {HT}
                               {-1001}
1194318397 32:57.6   0.74 14t+ 1. Rfd1 Rg8 2. Rd3 Qc6 3. Qf4 Kh7 4. g3 Rad8 5.
                               Rc3 Qxc3 6. bxc3 Rg4 7. Qxg4 Kh8 {1001}
1413792030 38:56.6   0.76 14t  1. Rfd1 Rg8 2. Rd3 Qc6 3. Qf4 Kh7 4. g3 Rad8H
                               {HT} {0}
1676978178 46:09.8   0.76 14.  1. Rfd1 Rg8 2. Rd3 Qc6 3. Qf4 Kh7 4. g3 Rad8
                               {HT} {0}

Regards,
Dieter



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