sábado, 29 de janeiro de 2011

O PÉ-DE-AVESTRUZ ─ III

VIII – O “Pé-de-Avestruz”
e uma dama e três pedras

CONTINUAÇÃO - II

8
           

Com a dama em f8:

             I
                                                     
                                          1. d4-e3                  f8-b4
Se 1. ... a5-b4   2. d8-a5 f8-d6   3. e5xb8 X.
Se 1. ... f8-d6   2. e5xb8 X.
                                          2. e3-b6                  a5xc7
                                          3. d8xd2                 X.

              II

                                         1. ...                         a5-b4
                                         2. d8-a5                   X.

Com a dama em e1:

            I

                                         1. d4-e3                    e1-h4
Se 1. ... a5-b4   2. d8-a5 h6-g5   3. e3xh6 X.
                                         2. e5-f6                     h4xe7
                                         3. d8xf6                    h6-g5
                                         4. e3xh6                    X.

             II

                                         1. ...                           e1-h4
Se 1. ... a5-b4   2. d8-a5 X.
                                         2. e5-f6                     X.
9
           
             
              I

                                         1.d4-g7                    c1-e3
Se 1. ... c1-h6   2. b8-d6 h6xc5   3. a3xf8 X.
                                         2. b8-c7                   d8xb6 
                                         3. g7-d4                   X.       

                 II

                                         1. ...                         a7-b6
Se 1. ... a5-b4   2. a3xf8 d8-e7   3. f8xa3 X.
                                         2. d4xa7                  a5-b4
                                         3. a3xf8                  c1-b2
                                         4. b8-c7                  X.

10

Com a dama em g1:

         I

                                         1. e5-d4                   g1xb6
                                         2. a3-b4                   a5xc3
                                         3. d8xe1                  f8-g7
                                         4. e1-c3                   g7-h6
                                         5. c3-d2                   a7-b6
                                         6. d2-e3                   b6-a5
                                         7. e3-d2                   X.

            II
                                        1. ...                         g1-h2
                                         2. e5-b8                   h2-g1
                                         3. a3-b2                   g1-b6
Se 3. ... a7-b6   4. b2-a3 f8-g7   6. b8-e5 g7-h6   6. e5-d4 X.
Se 3. ... a5-b4   4. b2-a1 b4-a3 (se 4. ... g1-c5   5. b8-d6 X; se 4. ... g1-e3   5. d8-e7 X)   5. a1-h8 X.
                                         4. b2-a1                   b6-g1
                                         5. a1-c3                   a7-b6
Se 5. ... a5-b4   6. c3xa5 a7-b6 (se 6. ... f8-g7   7. a5-c3 X)   7. a5xc7 g1-d4   8. d8-e7 X.
                                         6. c3-a1                   b6-c5
                                         7. a1-e5                   a5-b4
Se 7. ... c5-b4   8. b8-a7 X.
Se 7. ... g1-e3   8. e5-d6 X.
                                         8. e5-h8                   b4-a3
Se 8. ... c5-d4   9. h8xa5 g1-d4   10. d8-e7 X.
Se 8. ... f8-g7   9. h8xa7 b4-c3   10. d8-f6 X.
                                         9. b8-a7                   c5-b4
Se 9. ... f8-e7 10. d8xf6 X.

                                         10. h8-d4                g1xc5
                                         11. a7xd4               X.
                                                   
Com a dama em h6:
                                                             I
                                         1. a3-c1                  a5-b4
                                         2. e5-a1                  b4-a3
                                         3. d8-g5                        X.

           II
                                          1. …                      h6-c1
Se 1. ... a7-b6   2. a3-c1 X.
Se 1. ... h6-e3   2. e5-d4 e3xb6   3. a3-b4 X.
                                       2. e5-a1                  a7-b6
Se 2. ... c1-h6   3. a3-c1 X.
                                          3. a1-e5                c1-h6
                                          4. a3-c1                b6-c5
                                          5. e5-f4                h6xe3
                                          6. c1xf4               c5-d4
                                          7. d8-f6               X.

Com a dama em c1:

          I
                                         1. e5-a1                c1-h6
                                          2. a3-c1                X.

            II

                                          1. ...                       a7-b6
                                          2. e5-a1                  X.

11 
   
Com a dama em e1:

            I

                                          1. c5-f8                  e1-f2         
                                          2. e5-d4                 f2xb6
                                          3. f8-b4                 a5xc3
                                          4. d8xd2                a7-b6
                                          5. d2-e3                 b6-a5
                                          6. e3-d2                 X.
                II

                                          1. ...                       e1-h4
                                          2. c5-f8                  h4-f2
Se 2. ... h6-g5   3. f8-h6 X.
                                          3. e5-d4                 X.


Com a dama em h4:

                I

                                          1. c5-f8                   X.

                   II
                                          1. ...                       h6-g5
                                          2. c5-f8                  a5-b4
Se 2. ... a7-b6   3. f8-h6 X.
                                          3. f8xa3                 a7-b6
                                         4. d8xa5                 g5-f4
                                         5. e5xh2                 h4-f6
                                         6. a3-e7                  f6xd8   
                                         7. h2-c7                  X.

Com a dama em a3:

                                          1. c5-f8                 a5-b4
                                          2. d8-a5                a7-b6
                                          3. a5xd8               X.


Soluções dos problemas anteriores

Problema 1

                                                        1. h4-g5                 f6xh4
                                            2. h2-g3                 h4xe1
                 Se 2. ... h4xf2   3. b2-a1 g7xb2   4. a1xg1 X.
                                            3. d2-h6                 e1xb4
                                            4. h6xa3                 X.

Temas: Mate a Descoberto e Cavilha Dama Branca

Problema 2

                                            1. b8-c7                 b4xg5
                                            2. h4xd8                e1xh4
                                            3. c7xe1                 X.

Temas: Cavilha Dama Branca, Bloqueio Angular e Finta



PROBLEMAS


Problema 3
 Jogam as brancas e ganham


Problema 4 
Jogam as brancas e ganham

As soluções desses problemas, veja na próxima postagem.

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