a) diagram
1.nBd5-c6
2.rLEc4-b5 + rSId7-f5
3.nBc6-e4 + nPf6-a6 +
4.rLEb5-d3 + rSIf5-f4
5.rLEd3-e3 + rSIf4*e4-d4
6.rLEe3-c3 rSId4-a7
7.rLEc3-a5 ==
b) wrSId7-->g2
1.rLEc4-f1 + rSIg2-g6
2.nBd5-f7 + rSIg6-f5
3.nBf7-g6 + nPf6-g7
4.nBg6-g5
5.nPg7-g6 + nPg6-h5
6.nPh5-h4 rSIf5*g5-h5
7.rLEf1-h3 ==
c) nPf6-->a3
1.rLEc4-a4
2.nPa3-c5
3.nBd5-c6 + rSId7-b7
4.rLEa4-d4
5.nPc5-a7 + rSIb7*c6-d5
6.rLEd4-c4 rSId5-a8
7.rLEc4-a6 ==
d)brLEc4-->e8
1.nBd5-c6 + rSId7-f5
2.rLEe8-f7 + nPf6-g5
3.nBc6-e4 + rSIf5-d5
4.rLEf7-f3 + rSId5-d3
5.nBe4-g6
6.nPg5-h6 rSId3*g6-h7
7.rLEf3-h5 ==
e)=c) wrSId7-->d2