Originals from L'Italia Scacchistica 9/1999

1...Ne3/Nxc7 2.Re3#

1.Re6! th. 2.Q(R)xe5#
1...Ne3/Nxc7 2.Qxe5/Nc3# (changed mate)
1...B moves/Nxe6/Qxe6/Nd3 2.Qxh7/Qc2/Ng3/Qc4#

"The threat is unperfect"

1.Nd6!
1...Kxd6/Kd4 2.Bb4/Bf2#

"Gracious and antique miniature"

1.Kf8?
1...c6/c5/Ne6+
2.Qe7/Bb8/Qxe6#,
but 1...Ng6+!

1.Bd4!
1...c6/c5/N moves
2.Qd8/Be5/Qe6#

"Changed mates between 2 phases"

1.Bxf5? th. 2.Qxe6#
1...Kxf5 2.Qh5#

1.Qxc6!
1...Nd5 moves/Nf4 2.f4/exf4#
1...Nb5 moves/Nd6/Nd4 2.Qxc7(Qxc3)/Qxc3/Qxc7#
1...f4 2.Qxe6#

1...Ne5 a/ Nc5 b 2.Qxb6# A/ Qxf6# B

1.Qf4? (th 2.Qd2#) 1...Ne5 a/ Nc5 b 2.Qxe4 C / Qxf6# B, but 1...c3!

1.Qb4! (th 2.Qd2#) 1...Ne5 a/Nc5 b 2.Qxb6 A/ Qxc4 D, 1...e3 2.g5#

"Bartolovic theme but the position is illegal because of the excessive taking of black pawns"

1...Nxa4/Nxc4/Nd7 2.Nxa4/Rxc4/Be7#

1.Qxa7! th. 2.Qxb6#
1...B moves/Bxa4/Bd7 2.Ne6/Nxa4/Be7#

"Battery change and defense with constant mate"

1...Kd5/Ng5/Kf5 2.d3 A/ Nxg5+ B/ Nxf4+

1.Qf7! th. 2.Nc5+
1...Kd5 2.Nxf4+ C 2...Kxc6/Kxd6 3.Qc7/Qd7#
1...Ng5 2.Nxg5+ B Kf5/Kd3/Ne3+ 3.Qe6/Qb3#
1...Kf5 2.d3 or Ne3+ and 3.Ng7/Bc2#

"ABC - CBA second white move cycle. Dual in apparent and real games"

1.Qh6! th. 2.Qd2#
1...Nef3 2.Rb3+ A Nxb3/Pxb3 3.Nc6# B/ Nd3# C
1...Ndf3 (Ne2, Nb3) 2.Nd3+ C Nxd3/Pxd3 ".Nc6# B / Rb3# A
1...c3 2.Nc6+ B Nexc6/Ndxc6 3.Nd3# C / Rb3# A
1...Rc1 (Rd1) 2.Rb3+ and 3.a3#

"Cycle between the second and the third white move according ABC- BC/CA/BA"