sábado, 27 de julho de 2013

PROBLEMAS E ESTUDOS


                  Problemas

                                                           SOLUÇÃO DO PROBLEMA ANTERIOR

                                               Problema 63
                                                  1. f8-h6                                 d4xa1
                                                           2. h6-e3                                f2xd4
                                                           3. c1-b2                                a1xc3
                                                           4. e7-f8                                  b4xe7
                                                           5. f8xd2                                X.

Temas: Cavilha Dama Branca, Bloqueio por Intercessão Negra e Finta


Problema 64
Jogam as brancas e ganham

A solução desse problema, veja na próxima postagem

                  Estudos

                                                           SOLUÇÃO DO ESTUDO ANTERIOR

                                               Estudo 3

                                                           1. g5-c1                                h6-g5
            Se 1. ... a3-b2   2. c1xa3 c3-d2   3. a7-e3 d2xf4   4. a3-c5 X.
            Se 1. ... c3-b2   2. a7-d4 b2-a1   3. d4-h8 h6-g5   4.  c1xh6 a3-b2   5. h6-c1 X.
            Se 1. ... c3-d2, ver Variante 1.
                                                           2. c1xh6                               a3-b2
            Se 2. ... c3-b2  3. a7-d4 b2-a1   4. d4-h8 a3-b2   5. h6-c1 X.
                                                           3. h6-c1                                b2-a1
            Se 3. ... c3-d2    4. c1xa3 X.
                                                           4. c1-b2                                c3-d2
                                                           5. a7-e3                                 a1xf2
                                                           6. g1xc1                               X.

                                                           VARIANTE 1

                                                           1. …                                       c3-d2
                                                           2. c1xf4                                 a3-b2
                                                           3. a7-d4                                b2-c1
            Se 3. ... b2-a1   4. g1-h2 X.
                                                           4. f4-b8                                 c1-g5
            Se 4. … h6-g5   5. d4-e3 X.
            Se 4. ... c1-a3, ver Variante 1.1.
            Se 4. ... c1-d2, ver Variante 1.2.
                                                           5. g1-h2                                g5-h4
            Se 5. ... g5-d2, ver Variante 1.3.
            Se 5. ... g5-c1   6. h2-g3 c1-a3  (se 6. ... h6-g5   7. g3-h4 X; se 6. ... c1-g5   7. g3-h4 X; se 6. ... c1-d2   7. g3-h4 d2-b4   8. b8-h2 X)  7. g3-h4 a3-f8  (se 7. ... a3-b4   8. b8-h2 X)  8. b8-h2 f8-a3   9. d4-b2 a3xc1   10. h2-f4 X.
            Se 5. ... g5-d8   6. h2-g3 d8-a5/e7/g5  (se 6. ... h6-g5   7. g3-h4 X; se 6. ... d8-h4   7. b8-a7 X)  7. g3-h4 X.
            Se 5. ... g5-e7   6. h2-g3 e observe o 6º lance da Variante 1.1.
                                                           6. b8-e5                                h4-g5
            Se 6. ... h6-g5   7. d4-e3 g5-f4   8. e3xh6 X.
            Se 6. ... h4-e7   7. h2-g3 h6-g5 (se 7. ... e7-h4   8. d4-f2, como no 8º lance, adiante; se 7. ... e7-d8, veja, adiante, “Se 7. ... g5-d8”)   8. d4-e3 g5-h4   9. e3-g1 h4xf2   10. g1xf8 X.
            Se 6. ... h4-d8   7. h2-g3 d8-h4   8. d4-f2 h4-d8   9. f2-e1 h6-g5   10. g3-h4 X´.
            Se 6. ... h4-e1, ver Variante 1.4.
                                                           7. h2-g3                                g5-h4
            Se 7. ... g5-f4   8. e5-b8 f4xh2   9. d4-e5 X.
            Se 7. ... g5-d8   8. d4-f2 h6-g5   9. g3-h4 g5-f4   10. e5xg3 d8-f6   11. h4-g5 f6xh4   12. f2-e1 X.
                                                           8. d4-f2                                 h4-d8
            Se 8. ... h6-g5   9. f2-e1 X.
            Se 8. ... h4-e7   9. g3-h4 X.
                                                           9. f2-e1                                  h6-g5
                                                        10. g3-h4                                 g5-f4
                                                         11. e5xg3                                d8-f6
                                                        12. h4-g5                                 X.

                                                           VARIANTE 1.1

                                                           4. ...                                        c1-a3
                                                           5. g1-f2                                 a3-e7
            Se 5. ... a3-c1   6. f2-g3   7. g3-h4 X.
            Se 5. ... a3-b4/f8, idem.
            Se 5. ... h6-g5   6. d4-b2   7. f2-e3 X.
                                                           6. f2-g3                                 h6-g5
            Se 6. ... e7-d8   7. b8-e5 d8-h4 (se 7. ... h6-g5   8. g3-h4 X)   8. d4-f2, como no 8º lance da Variante 1.
                                                           7. d4-a1                                g5-h4
            Se 7. ... e7-d8/a3/b4/c5/f8   8. g3-h4 X.
                                                           8. b8-f4                                 h4xf2
                                                           9. f4-e3                                  X.

                                                           VARIANTE 1.2

                                                           4. ...                                        c1-d2
                                                           5. g1-f2                                 d2-a5
            Se 5. … d2-b4/c1   6. f2-g3   7. g3-h4 X.
            Se 5. ... d2-e1   6. d4-e5 X.
            Se 5. ... d2-e3   6. b8-a7 e3xg1   7. d4-c5 X.
            Se 5. ... d2-g5   6. f2-g3 g5-d8   7. b8-e5 d8-h4   8. d4-f2 X.
                                                           6. f2-g3                                 h6-g5
            Se 6. ... a5-d8   7. b8-a7 h6-g5   8. g3-h4 g5-f4   9. d4-f6 X.
            Se 6. ... a5-b4/d2/e1   7. g3-h4 X.
                                                           7. b8-d6                                g5-h4
                                                           8. d4-f2                                 a5-e1
            Se 8. ... a5-d8   9. d6-e7   10. f2-e1 X.
            Se 8. ... a5-c3/d2   9. f2-g1 X.
                                                           9. d6-c7                                e1-a5
                                                        10. c7-d8                                 a5-e1
                                                        11. d8-a5                                 X.

                                                           VARIANTE 1.3

                                                           5. ...                                        g5-d2
                                                           6. h2-g3                                d2-e1
            Se 6. ... d2-g5   7. g3-h4 X.
            Se 6. ... d2-c1   7. g3-h4 c1-a3   8. d4-b2   9. b8-f4 X.
            Se 6. ... d2-a5   7. g3-h4 a5-b4   8. b8-h2 X.
            Se 6. ... d2-b4   7. g3-h4 b4-f8 (se 7. ... b4-a5   8. b8-c7   9. d4-f6 X)   8. b8-h2 X.
            Se 6. ... h6-g5   7. g3-h4 X.
                                                           7. g3-h4                                e1-b4
                                                           8. b8-h2                                b4-f8
            Aqui está formado o Pé-de-Avestruz. (Ver, de minha autoria, “O Pé-de-Avestruz e outros ensaios”, p. 44, Diagrama 7a).
                                                           9. d4-b2                                f8-a3
            Se 9. … f8-c5   10. h4-g5 X.
                                                        10. h2-f4                                  X.

                                                           VARIANTE 1.4

                                                           6. ...                                        h4-e1
                                                           7. e5-f6                                  e1-b4
            Se 7. ... e1-h4   8. f6-d8 h6-g5 (se 8. ... h4-e1   9. h2-g3   10. d4-f6 X)   9. d4-g7 g5-f4   10. g7-f6 X.
            Se 7. ... e1-a5   8. h2-g3 a5-c7 (se 8. ... a5-d2   9. f6-d8 d2-b4   10. g3-h4 X; se 8. ... a5-b4/e1   9. g3-h4 h6-g5   10. f6-e5 X)   9. g3-h4 c7-e5 (se 9. ... h6-g5   10. f6-d8 X)   10. d4-b2 X.
            Se 7. ... e1-d2   8. h2-g3 d2-a5 (se 8. ... d2-e1   9. f6-d8   10. d4-f6 X; se 8. ... d2-c1   9. f6-d8 c1-a3   10. d4-b2 a3xc1   11. g3-f4 X; se 8. ... d2-b4   9. d4-e3   10. g3-h4 X)   9. f6-d8 a5-b4   10. g3-h4 X.
                                                           8. h2-g3                                b4-d6
            Se 8. ... b4-a3/f8   9. g3-h4 h6-g5   10. f6-e5 X.
            Se 8. ... b4-d2   9. g3-h4 h6-g5 (se 9. ... d2-b4   10. d4-c5 X; se 9. ... d2-c1   10. f6-e5 c1-a3   11. d4-b2   12. e5-f4 X) 10. f6-e5 X.
                                                           9. g3-h4                                d6-e5
            Se 9. ... h6-g5   10. f6-h8 g5-f4   11. d4-e5 X.
                                                        10. d4-b2                                 e5xa1
            Se 10. ... e5xh8   11. b2-a1 X.
                                                        11. f6-h8                                  X.

Temas: Duplo Cotovelo, Prisão, Finta, Mate em Ângulo, Cavilha Dama Branca, Vaivém Negro e Bloqueio

Estudo 4
 Jogam as brancas e ganham

A solução desse estudo será dada na próxima postagem



Nenhum comentário:

Postar um comentário