sexta-feira, 25 de fevereiro de 2011

O PÉ-DE-AVESTRUZ ─ V




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

(CONTINUAÇÃO - IV)


                                16
                   
Com a dama em c1:

I

                             1. h2-e5                     h6-g5
Se 1. ... c1-g5   2. e5-g3 h4xf2   3. e1xf6 X.
                             2. e5-h2                     c1-e3
                             3. d4xg1                    a3-b2
                             4. e1-c3                     X.

II

                             1. ...                          h6-g5
Se 1. ... c1-g5   2. h2-g3 X.
                             2. h2-e5                    X.

Com a dama em f8:

I

                             1. h2-f4                     f8-e7
                             2. f4-g3                     h4xf2
                             3. e1xd8                   X.

II

                             1. ...                          h6-g5
                             2. h2-e5                    f8-h6
Se 2. ... f8-e7   3. e5-g3 h4xf2   4. e1xd8 X.
                             3. e1-a5                    h6-f8
                             4. d4-c5                    f8xb4
                             5. a5xh6                   h4-g3
                             6. e5xh2                   a3-b2
                             7. h2-e5                   X.

Com a dama em d8:

I

                             1. h2-e5                    d8-e7/g5
Se 1. ... h4-g3   2. e5xh2 X.
Se 1. ... h6-g5   2. e1-a5 d8-e7   3. d4-c5 X.
                             2. e5-g3                    X.

II

                             1. ...                          h6-g5
                             2. d4-a1                    d8-b6
                             3. h2-g3                    h4xf2
                             4. e1xa5                   X.


                                                 17                   

Com a dama em c1:

I

                             1. d4-g1                        c1-g5
                             2. f8-g7                         h6xf8
                             3. h2-g3                        h4xf2
                             4. g1xh6                       a5-b4
                             5. h6-d2                        b4-a3
                             6. d2-c3                         X.

II

                             1. ...                          c1-g5
                             2. f8-a3                     g5-c1
Se 2. ... g5-d8   3. d4-a1 d8-g5   4. h2-g3 h4xf2   5. a3-b4 a5xc3   6. a1xe1 X.
                             3. d4-a1                    h6-g5
                             4. h2-e5                    X.

Com a dama em g5:

I

                                          1. f8-a3                    g5-d8
             Se 1. ... g5-c1   2. d4-a1 h6-g5   3. h2-e5 X.
                             2. d4-a1                    h6-g5
                             3. a3-e7                    X.
                                                      II

                             1. ...                          g5-d8
                             2. d4-a1                    X.

Com a dama em d8:
I

                             1. d4-a1                    X.
                                                     

II

                                          1. ...                          d8-g5
Se 1. … h6-g5   2. f8-a3 X.
                             1. f8-a3
                                                             
     como em “Com a Dama em c1” (II.)

                                                                              
                                                18
                    
Com a dama em c1:

I

                             1. e5-h2                        c1-g5
Se 1. ... h6-g5   2. h2-e5 g5-f4   3. e5xh2 c1-h6   4. a3-b2 e veja, em “O Pé-de-Avestruz de volta”, p. 62, o Diagrama 8.1.
                             2. h2-g3                    h4xf2
                             3. a5-b6                    a7xc5
                             4. a3xe1                   X.

II

                             1. ...                          h6-g5
Se 1. ... c1-g5   2. e5-g3 X.
                             2. e5-h2                   X.

                                          
                                                19                    
                                                                   
I

                             1. b8-h2                    c1-d2
                             2. f8-b4                     d2xa5
                             3. d4-b6                    a5xc7
                             4. h2xb8                   X.

II

                             1. ...                          c1-d2
                             2. f8-b4                    X.


PROBLEMAS

                Soluções dos problemas anteriores

                                               Problema 5
                                                       
                                    1. e3-f4                 h4xd8
                                    2. e5-f6                 d8xe7
                                    3. f8xc1                 X.
Temas: Turco e Finta.

                                                       Problema 6

                                    1. c1-e3                f2xd4
                                    2. g3-f4                 e5xg3
                                    3. h2xa1               d8-a5
                                    4. h4-d8                X.

Temas: Bipolar, Bloqueio Angular e Finta.


Problema 7
Jogam as brancas e ganham


Problema 8
Jogam as brancas e ganham

As soluções desses problemas, veja na próxima postagem.

O PÉ-DE-AVESTRUZ ─ IV

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

(CONTINUAÇÃO - III)


12
                                  
I
 1. e5-f6                  c1-h6
Se 1. ... c1-f4   2. d4-b6 a5xc7   3. f6-e5 X.
Se 1. ... d8-c7   2. d4-a7 c1-h6   3. f6-g7 X.
Se 1. ... b8-c7   2. d4-e3 X.
Se 1. ... b8-a7   2. d4-e3 X.      
                                             2. f6-g7                  h6xf8
                                             3. d4-c5                 X.

II

                                1. ...                       b8-a7
Se 1. ... d8-c7   2. d4-e3 X.
                                2. e5-b8
e volte ao Diagrama 9.

   13
                                              
Com a dama em h6:

I

                                1. a3-c1                  a5-b4
Se 1. ... d8-e7   2. d4-b6 X.
Se 1. ... f8-e7   2. d4-e3 X.
                                2. d4-c5                  b4xd6
                                3. b8xf4                  h6xe3
                                4. c1xf4                  X.

II

                                1. ...                        h6-c1
Se 1. ... h6-g5   2. d4-b6 X.
Se 1. ... d8-e7   2. a3-c1 a5-b4   3. d4-c5 X.
                                2. d4-a1                  c1-h6
Se 2. ... d8-e7   3. a1-d4 c1-h6   4. a3-c1 X.
                                3. a3-c1                  a5-b4
                                4. b8-f4                  X.

Com a dama em c1:

I

                                1. d4-a1                 c1-h6
Se 1. ... d8-e7   2. a1-d4 c1-h6   3. a3-c1 X.
                                2. a3-c1                 X.

II

                                1. ...                       d8-e7
                                2. d4-a1                 c1-h6
                                3. a3-c1                 X.

Com a dama em h4:

I

                                1. d4-a1                 d8-e7
                                2. a1-d4                 h4-e1
                                3. d4-c3                 e1xb4
                                4. a3xc5                X.

II

                                1. ...                       d8-e7
                                2. d4-a1                 X.

14

I

                                1. d4-e3                 X.

II

                                1. ...                       c1-a3
Se 1. ... f8-e7   2. d4-e3 c1xg5   3. h4xf6 e7xg5   4. h2-b8 X.
                                2. d4-c5                 a3xe7
                                3. h2-c7                 d8xb6
                                4. h4xa5                X.
                                   
                                 15
                   
I

                                1. h2-d6                 a3xe7
                                2. d4-f6                  e7xg5
                                3. h6xf4                 X.

II
                                             1. ...                      a3-b4
                                             2. h2-d6                X.


PROBLEMAS

Soluções dos problemas anteriores

Problema 3
                                                       
                                            1. b6-c7                 h2xe5
Se 1. ... b8xd6   2. a7-b8 h2xe5   3. c1-b2 X.
                                            2. c1-b2                 b8xd6
                                            3. a7-b8                 e5-h2
Se 3. ... e5-h8   4. b8xc3 X.
Se 3. ... d4-e3   4. b2xf6 d6-c5   5. b8-a7 c5-d4   6. f6xc3 X.
                                            4. b2xc7                 h2-g1
                                            5. b8-a7                 g1-h2
                                            6. c7-b8                 h2-g1
                                            7. b8-h2                 X.

Tema: Kukuiev

Problema 4

                                            1. f2-g1                 a5xe1
                                            2. d4-e5                f6xf2
                                            3. h4xd8               e1-a5
                                            4. g1xb6               X.

Temas: Finta e Eslavo Cruzado


                                                        Problema 5
                             Jogam as brancas e ganham


Problema 6
Jogam as brancas e ganham

As soluções desses problemas, veja na próxima postagem.