sexta-feira, 11 de agosto de 2017

REPUBLICAÇÃO DE POSTAGENS
SUMIDAS DO BLOG, EM JUL.17
(6/18)

DAMAS para crianças e adolescentes 61
           



O Jogo de Damas é esporte*
* Resolução nº 18/88 do CND. Ver APÊNDICE V, na 18ª postagem, de NOV.12



Meninas
            Sejam bem-vindas ao nosso ESPORTE.
            Ah, vocês não fazem idéia do que estão perdendo...
         E ficarão encantadas com a beleza de certas partidas.
         Lindas partidas: de um Sidney Marra, de um Waldemar Bakumenko, de um Antonio Fabelo Chaves, de um Lourival Mendes França.
         E vocês também poderão fazer bonito no tabuleiro!


PARTE 3

PARTE 2 Sumário (ver postagem 55, de DEZ.15)


 PARTIDAS
PARTIDA 54
Lourival França 1 X 1 Omar Pelegrino*
Campeonato Brasileiro de 1987
Abertura Irregular

                                               1. c3-b4                        f6-g5
                                               2. b2-c3                        g7-f6
                                               3. c3-d4                        h8-g7
                                               4. b4-c5                        d6xb4
                                               5. a3xc5                       g5-h4
                                               6. a1-b2                       f6-g5
                                               7. g3-f4                        e7-d6
                                               8. c5xe7                       f8xd6
                                               9. d2-c3                        b6-c5
                                             10. d4xb6                       a7xc5
                                             11. b2-a3                        c7-b6
                                             12. c3-d4                        g7-f6
                                             13. d4-e5                        f6xd4
                                             14. a3-b4                        c5xa3
                                             15. e3xa7                       g5xe3
                                             16. f2xd4                        h6-g5
                                             17. e1-d2                        d8-e7
                                             18. d2-c3                        e7-f6
                                             19. g1-f2                         f6-e5
                                             20. d4xf6                        g5xe7
                                             21. f2-e3                         e7-f6
                                             22. c3-d4                        d6-e5
                                             23. d4-c5                        e5-d4
                                             24. e3-f4                         d4xb6
                                             25. a7xc5                       h4-g3
                                             26. f4-g5                         f6xh4
                                             27. h2xf4                        b8-c7
                                             28. f4-e5                         h4-g3
                                             29. c5-d6                        g3-f2
                                             30. d6xb8                       f2-e1
                                             31. e5-f6                        e1-c3
empate.
______________________________
* Do livro de Lourival França, “Minhas duzentas partidas memoráveis”, p. 92. São Paulo. 1993. 1ª edição.


O “PÉ-DE-AVESTRUZ” (VI)

FINAIS DE TRÊS DAMAS X UMA DAMA E DUAS PEDRAS

1.2 O “Pé-de-Avestruz”
e uma Dama e a dupla de pedras (IV)
(CONCLUSÃO)

8.1
 

         Com a Dama em a5:

                                               1. d4-a1                       a5-e1
         Se 1. ... a5-d8   2. a1-f6 d8xg5   3. h6xc1 X.
         Se 1. ... a5-b4   2. a1-b2 a3xc1   3. h2-f4 c1xg5   4. h6xa5 X.
                                               2. a1-h8                       e1-a5
         Se 2. ... e1-f2   3. h8-b2 a3xc1   4. h2-f4 c1xg5   5. h6xg1 X.
                                               3. h8-d4                       a5-e1
                                               4. d4-f2                        e1xg3
                                               5. h2xe5                      h4-g3
                                               6. e5xh2                      a3-b2
                                               7. h2-e5                       X.

         Com a Dama em e1:

                                               1. d4-f2                        e1xg3
                                               2. h2xe5                      X.

         Com a Dama em f8:

                                               1. d4-a1                       X.

8.2
 

NOTA
FINAL DIABÓLICO
         Como é sabido por quem nos acompanha desde o início desta seção do blog, há outro final, com igual quantidade de peças, mas com diferente distribuição dessas peças no tabuleiro: é o “Final diabólico”, como se transcreve adiante ─ Final 8 ─ de autoria do doutor Bolívar Mascarenhas. Ver postagens 36, 37 e 38.

Final 8
“Final diabólico”
(de autoria do doutor Bolívar Mascarenhas)
 
Jogam as brancas e ganham

         E, voltando ao Diagrama 8.2, segue a solução:

         Com a Dama em a5:

                                                       I

                                               1. h6-d2                       a5xe1
                                               2. d4-f2                        e1xg3
                                               3. h2xc7                      X.

                                                       II

                                               1. ...                              a7-b6
                                               2. d4xa7                      a5-c3
                                               3. h6-g5                       h4xf6
                                               4. a7-d4                       X.

         Com a Dama em a3:

                                                                  I

                                               1. d4-h8                       a3-f8
         Se 1. ... a3-c5   2. h6-g5 X.
         Se 1. ... a7-b6   2. h8-b2 a3xc1   3. h2-f4 X.
                                               2. h2-f4                        f8-e7
         Se 2. ... f8-a3   3. h6-f8 X.
         Se 2. ... a7-b6   3. f4-b8  (ver Com a Dama em f8, 2º lance).
                                               3. h6-f8                        e7-d8
                                               4. f8-c5                        d8-b6
         Se 4. ... d8-a5   5. c5-g1 a5-d8/e1   6. f4-h2 X.
                                               5. c5-g1                       b6-d8
         Se 5. ... b6-a5   6. f4-h2 a5-d8   7. h8-f6 d8xg5   8. h2-g3 X.
                                               6. f4-h2                        d8-a5
                                               7. h8-c3                       a5xe1
                                               8. g1-f2                        e1xg3
                                               9. h2xc7                      X.

                                                                  II

                                               1. ...                              a7-b6
         Se 1. ... a3-b4   2. h6-d2 b4xe1   3. d4-f2 e1xg3   4. h2xc7 X.
         Se 1. ... a3-f8, ver, adiante, Com a Dama em f8.
                                               2. d4xa7                      a3-b2
                                               3. h6-g5                       h4xf6
                                               4. a7-d4                       X.

         Com a Dama em f8:

                                               1. d4-h8                       a7-b6
         Se 1. ... f8-a3   2. h2-b8 a3-f8  (se 2. ... a7-b6   3. h8-b2 a3xc1   4. b8-f4 X)  3. b8-f4 e veja em Com a Dama em a3 (I), o lance número 2.
                                               2. h2-b8                       b6-a5
         Se 2. ... b6-c5   3. h8-c3 f8-e7   4. c3-f6 X.
         Se 2. ... f8-c5   3. b8-c7 b6xd8   4. h6-g5 X.
                                               3. h8-d4                       f8-a3
         Se 3. ... f8-b4   4. d4-b6 X.
         Se 3. ... a5-b4   4. d4-h8 b4-a3  (se 4. ... f8-c5   5. h6-g5 h4xf6   6. h8xa7 X)  5. b8-h2 f8-b4   6. h8-b2 a3xc1   7. h2-f4 X.
                                               4. h6-f8                        a3-c1
         Se 4. ... a5-b4   5. f8-h6 X.
                                               5. d4-b2                       c1xa3
                                               6. b8-d6                       a3xe7
                                               7. f8xd6                       X.

8.3
 

                                                       I

                                               1. d4-b2                       b8-a7
         Se 1. ... f8-b4/c5   2. h2-c7 b8xd6   3. b2-e5 X.
         Se 1. ... f8-a3   2. h2-f4 a3xg5   3. h6xf4 b8-a7   4. f4-c7 X.
                                               2. b2-a3                       a7-b6
                                               3. h6-g5                       h4xf6
                                               4. h2-d6                       X.

                                                                  II

                                               1. ...                              b8-a7
         Se 1. ... f8-b4   2. h2-c7 b8xd6   3. d4-e5 X.
         Se 1. ... f8-a3   2. d4-b2 a3xc1   3. h2-f4 c1xg5   4. h6xf4 b8-a7   5. f4-c7 X.
e estamos de volta ao Diagrama 8.2 Com a Dama em f8.

8.4
 

         Nada a comentar.

8.5
 

                                                                  I

                                               1. d4-f6                        f8-c5
                                               2. h2-d6                       X.

                                                                  II

                                               1. ...                              f8-a3
         Se 1. ... f8-b4   2. h6-d2 b4xe1   3. d4-f2 X.
                                               2. d4-b2                       a3xc1
                                               3. h2-f4                        X.


ANEXO
         Os Diagramas 2.3, 3.1, 4.2 e 5.3 (estão lá nas postagens 59-60) podem ter outro desenho, cujas soluções serão diferentes das do “Pé-de-Avestruz”:
2.3
 

         Com a Dama em d8:

                                                                  I

                                               1. f6-h4                        d8-b6/c7
                                               2. f8-b4                        a5xc3
                                               3. h6-g7                       X.

                                                                  II
                                               1. ...                              d8-b6
                                               2. f8-c5                        X.

         Com a Dama em h4:

                                               1. f6-d8                        h4-e1
                                               2. h6-d2                       e1xc3
                                               3. d8-f6                        c3xg7
                                               4. f8xh6                       a5-b4
                                               5. h6-d2                       b4-a3
                                               6. d2-c3                       X.

3.1
 

         Com a Dama em d8:

                                               1. f8-e7                        d8-a5
                                               2. e7-b4                       a5xg7
                                               3. h6xf8                       a7-b6
                                               4. f8-h6                        b6-c5
         Se 4. ... b6-a5   5. h6-f8 X.
                                               5. h6-e3                       c5-b4
                                               6. e3-d4                       X.

         Com a Dama em h4:

                                               1. h6-g5                       h4-e1
                                               2. g5-d2                       e1xg7
                                               3. f8xh6                       a7-b6
                                               4. h6-e3                       b6-a5
                                               5. e3-d4                       X.

4.2
 

         Com a Dama em d8:

                                               1. f8-e7                        d8-a5
                                               2. e7-b4                       a5xg7
                                               3. h6xf8                       b8-c7
         Se 3. ... b8-a7   4. f8-c5 h8-g7   5. c5-d4 g7-h6   6. d4-e3 X.
                                               4.  f8-h6                       c7-d6
                                               5. h6-f4                        d6-c5
                                               6. f4-e5                        X.

         Com a Dama em h4:

                                               1. h6-g5                       h4-e1
                                               2. g5-d2                       e1xg7
                                               3. f8xh6                       b8-c7
                                               4. h6-f4                        c7-b6
                                               5. f4-e5                        X.

5.3
 

         Com a Dama em b8:
                                                                  I

                                               1. f8-d6                        b8xg7
                                               2. h6xf8                       d8-c7
                                               3. f8-h6                        X.

                                                                  II

                                               1. ...                              b8-a7
         Se 1. ... b8-h2   2. h6-f4 h2xg7   3. f8xh6 d8-e7   4. h6-g5 e7-d6  5. g5-f6 X.
                                               2. f8-c5                        a7xg7
                                               3. h6xf8                       d8-c7
                                               4. f8-h6                        c7-d6
                                               5. h6-f4                        X.

         Com a Dama em h4:

                                               1. h6-g5                       h4-e1
                                               2. g5-d2                       e1xg7
                                               3. f8xh6                       d8-c7
                                               4. h6-f4                        X.
(CONCLUSÃO)

DESAFIO

Problemas

Recém-publicados na outra seção do blog ─ PROBLEMAS E ESTUDOS

Solução da postagem anterior

Problema 97

                                               1. h4-g5                       d6xa3
                                               2. d4-c5                       a3xd6
                                               3. g5-f6                        a7xg7
                                               4. h8xb8                      X.

         Temas: Duplo Cotovelo, Finta e Vaivém Negro

PROBLEMA 98
Jogam as brancas e ganham

         Solução na próxima postagem
(CONTINUA)


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