studio n°9

1.g6-g7 Rg8-h7 2.Tb7-f7 Ad4-c3 3.g7-g8D+ Rh7xg8 4.Rh5-g6 1-0

studio n°10

1.Ac6-b7 Ta6-b6 2.Ab7-d5 Tb6-b2 3.Ad5-c6 Tb2-f2+ 4.Rf1-g1 Re3-e2 5.Ac6-d5 Re2-e1 6.Ad5-c6 Tf2-f6 7.Ac6-b7 Tf6-g6+ 8.Rg1-h2 Re1-f2 9.Rh2-h3 Tg6-g3+ 10.Rh3-h4 1/2-1/2

studio n°11

1.Te1xe5 d3-d2 2.Te5-d5 Rc6xd5 3.d6-d7 d2-d1D 4.d7-d8D+ 1-0

studio n°12

1.Td2-d7! 1-0

studio n°13

1.Ta6-a8+ Tb7-b8 2.Ta8-a7 Tb8-b2 3.Ta7-g7 Tb2-d2 4.Tg7-f7 Td2-d1 5.Tf7-a7 Td1-b1 6.Ac5-a3 Tb1-b3 7.Aa3-d6 Tb3-c3+ 8.Ad6-c5 Tc3-b3 9.Ta7-c7+ Rc8-b8 10.Tc7-e7 Rb8-a8 11.Te7-e4 [ 11.Te7-e4 Tb3-b7 12.Ac5-b6 Tb7xb6+ 13.Rc6xb6 Ra8-b8 14.Te4-e8#; 11.Te7-e4 Tb3-b2 12.Te4-a4+ Ra8-b8 13.Ac5-d6+ Rb8-c8 14.Ta4-a8+ Tb2-b8 15.Ta8xb8#] 1-0

studio n°14

1.Te1-e8+ Tf7-f8 2.Te8-e7 Tf8-c8 3.Te7-e6 Tc8-f8 4.Ag5-h6 Tf8-c8 5.Ah6-c1 Rg8-f8 6.Ac1-a3+ Rf8-g8 7.Te6-b6 Rg8-h8 8.Aa3-e7 Tc8-g8+ 9.Rg6-h6 Tg8-e8 10.Tb6-c6 Rh8-g8 11.Rh6-g6 Te8-b8 12.Tc6-c5 Tb8-e8 13.Ae7-f6 Rg8-f8 14.Tc5-h5 1-0

studio n°15

<p1.Te6-e8+ Tf7-f8 2.Te8-e7 Tf8-f1 3.Te7-d7 Tf1-f2 4.Td7-c7 Tf2-f1 5.Ag5-f6 Tf1-g1+ 6.Rg6-f5 Tg1-g2 7.Af6-e5 Tg2-a2 8.Tc7-g7+ Rg8-f8 9.Tg7-d7 Rf8-g8 10.Rf5-f6 Ta2-a6+ 11.Ae5-d6 Ta6-a2 12.Td7-g7+ Rg8-h8 13.Tg7-g4 Rh8-h7 14.Ad6-e5 Ta2-f2+ 15.Ae5-f4 Tf2-a2 16.Af4-e3 Ta2-c2 17.Ae3-d4 Tc2-c1 18.Tg4-h4+ Rh7-g8 19.Ad4-e5 Tc1-b1 20.Th4-g4+ Rg8-h7 21.Tg4-g7+ Rh7-h8 22.Tg7-d7 Tb1-b6+ 23.Ae5-d6 Tb6-b1 24.Ad6-c5 Tb1-b3 25.Ac5-d4 Rh8-g8 26.Td7-g7+ Rg8-h8 27.Tg7-a7 Rh8-g8 28.Rf6-e6 Tb3-b8 29.Ta7-g7+ Rg8-f8 30.Tg7-h7 Tb8-e8+ 31.Re6-f6 Rf8-g8 32.Th7-g7+ Rg8-h8 33.Tg7-g4 Rh8-h7 34.Tg4-h4+ Rh7-g8 35.Rf6-g6 Te8-e6+ 36.Ad4-f6 Te6xf6+ 37.Rg6xf6 Rg8-f8 38.Th4-h8# 1-0                                                            

studio n°16

1.Ra7-b6 Ra1-b2 2.Rb6-a5+ Rb2-c1 3.Db7-h1+ Rc1-b2 4.Dh1-g2+ Rb2-b1 5.Ra5-a4 a2-a1D+ 6.Ra4-b3 1-0