sábado, 21 de março de 2015

PROBLEMAS E ESTUDOS + APÊNDICE (IV) ─ CONCLUSÃO ─ DA MATÉRIA PUBLICADA NO INÍCIO DESTA SEÇÃO DO BLOG

               

PARTE 2
PARTE 1 Sumário (ver postagem de DEZ.2014)


                  Problemas

                                                       SOLUÇÃO DO PROBLEMA ANTERIOR
        
                                               Problema 83

                                                                 1. f4-e3                                  h6xd2
            Se 1. ... h6xc1   2. f8-h6 e1xg3   3. h2xf4 c1xg5   4. h4xf6 a1xg7   5. h6xf8 X.
                                                           2. f8-h6                                 e1xg3
                                                           3. h2xf4                                d2xg5
                                                           4. h4xf6                                a1xg7
                                                           5. h6xf8                                X.

Temas: Escada, Finta (sic) e Vaivém Branco

84
Jogam as brancas e ganham

A solução desse problema, veja na próxima postagem

                  Estudos 

                                                      SOLUÇÃO DO ESTUDO ANTERIOR

                                                            Estudo 17

                                                           1. c5-e3                                g3-h2
            Se 1. ... c3-b2   2. e3-c1 b2-a1   3. d8-f6 g3-h2  (se 3. ... g3-f2   4. f6-h8 a1xf6   5. h8xg1 X)   4. c1-e3 h2-g1 (se 4. ... a1-c3  5. f6-h8 c3xf6   6. h8xd4 X)  5. e3-a7 X.
                                                           2. d8-f6                                 c3-b2
            Se 2. … h2-g1   3. f6-h8 g1xf6   4. h8xa1 X.
                                                           3. e3-c1                                b2-a1
            Se 3. ... h2-g1   4. c1xa3 g1-h2   5. a3-d6 X.
                                                           4. c1-e3                                h2-g1
            Se 4. ... a1-c3   5. f6-h8 c3xf6    6. h8xd4 X.
                                                           5. e3-a7                                g1-h2
            Se 5. ... a1-c3   6. f6-h8 c3xf6   7. h8xd4 X.
                                                           6. a7-b8                                h2xd6
                                                           7. b8xe5                               X.

Temas: Bloqueio Central, Vaivém Duas Cores e Mate Cruzado

                                  Estudo 18
Jogam as brancas e ganham 

A solução desse estudo será dada na próxima postagem


APÊNDICE (IV) (CONCLUSÃO)
DA MATÉRIA PUBLICADA NO INÍCIO DESTA SEÇÃO DO BLOG, INTITULADA

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

7
                                                                                      
                                                                                   I

            Sem comentários.

                                                                                  II

                                                           1. ...                                      f8-g7
            Se 1. ... h6-g5   2. h4xd8 a5-d2  (se 2. ... a5-e1   3. h2-g3 X)  3. d4-g7 X.
                                                           2. d4-c5                                g7-f6
            Se 2. ... h6-g5, ver Variante 1.
                                                           3. h4xd8                               h6-g5
            Se 3. ... a5-e1   4. d8-h4 e1-a5   5. h2-c7 X.
                                                           4. d8xh4                               a5-c3
                                                           5. h2-f4!                                c3-b2
            Se 5. ... h8-g7   6. f4-e5 X.
            Se 5. ... c3-g7   6. f4-h6 X.
            Se 5. ... c3-a1   6. c5-a3 X.
                                                           6. c5-b4                                b2-a1
                                                           7. b4-a3!                               a1-c3
                                                           8. a3-e7!                               c3-a1
            Se 8. ... h8-g7   9. e7-f6 X.
                                                           9. h4-f6!                                a1xg7
                                                         10. f4-h6                                  g7-f8
                                                         11. e7-a3                                 h8-g7
                                                         12. h6-e3                                 X.

                                                           VARIANTE 1

                                                           2. ...                                       h6-g5
                                                           3. h4xd8                               a5-d2
            Se 3. ... g7-f6   4. d8xh4 a5-c3   5. h2-f4! como já se viu no lance 5 da linha principal.
            Se 3. ... a5-e1   4. h2-f4 g7-h6  (se 4. ... e1-h4   5. c5-e7 h4-f2   6. f4-g3 f2xh4   7. e7-g5 X;  se 4. ... g7-f6   5. d8xh4 e1-c3   6. f4-d2 X;  se 4. ... e1-a5   5. f4-c7 g7-f6   6. d8xh4 X)  5. c5-d4 e1-b4   6. d4-c3 X.
                                                           4. h2-d6                                d2-e1
            Se 4. ... d2-h6   5. c5-d4 h6-c1  (se 5. ... h6-d2   6. d4-f6 X)  6. d6-f8 g7-h6   7. d4-e5 X.
            Se 4. ... d2-a5   5. d6-c7 g7-f6   6. d8xh4 X.
            Se 4. ... d2-c1   5. c5-a3 c1-d2   6. d8-g5 d2xh6   7. a3-c1 X.
                                                           5. c5-d4                                e1-h4
            Se 5. ... e1-d2   6. d4-f6 X.
            Se 5. ... e1-a5   6. d6-a3 a5-d2   7. a3-b4 d2xa5   8. d4-b6 X.
                                                           6. d6-e7                                h4-g3
            Se 6. ... g7-f6   7. d4xg7 h8xf6   8. e7xg5 X.
            Se 6. ... h4-e1   7. e7-b4 X.
                                                           7. e7-f8                                  g7-h6
                                                           8. d4-g7                                X.

8

                                                                                  I
 
                                                           1. e5-a1                                 h6-c1
            Se 1. ... h6-f4   2. a1-e5 X.
                                                           2. a1-c3                                 c1-f4
                                                           3. c5-e3                                 X.

                                                                                  II

                                                           1. ...                                        h6-g7
                                                           2. c5-d4                                 g7-h6
                                                           3. e5-f6                                  h6-f4
            Se 3. ... h6-c1   4. d4-c5 X.
                                                           4. d4-c5                                f4-h6
            Se 4. ... f4-c1   5. f6-c3 X.
            Se 4. ... f4-b8   5. f6-c3 X.
                                                           5. f6-g7                                 h6xb4
                                                           6. a5xc3                                X.

(CONCLUSÃO)

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