1.a3!?
[1.De2
b6
(1...a6?
2.a3+-
) 2.a3
Aa6
3.De6+
Dd6
4.Dxd6+
Axd6
5.axb4
Axf1
6.Rxf1
Axb4-/+
]
1...Ca6!
[1...Ad6
2.De2
Ca6
3.Db5+
Rc7
4.Dxd5
Rb8
(4...Ad7
5.b4+/-
) ; 1...Cxc2?
2.b4
Cxa1
(2...Dd6
3.b5+
Rc7
(3...Rb6
4.Cxd5++-
) 4.Cxd5++/-
Rb8??
(4...Rd7
5.Ta2
Dxe5
6.dxe5
Cd4
7.Td1+/-
) 5.Af4+-
) 3.b5+
Rd7
(3...Rb6?
4.Cxd5++-
) 4.Cxd5
(4.Ag5
Ae7
5.Te1
Axg5
6.De6+
Rc7
7.b6+
axb6
8.Cb5+
Rb8
9.De5+
Dc7
10.Dxc7#
) 4...Cc2
5.Af4
Ad6
6.Dxd6+
Re8
7.Cc7+
Rf7
8.Cxa8
Dxd6
9.Axd6
Cxd4
(9...Td8
10.Ae5
) 10.Cc7+/-
]
2.b4
[2.Af4!?
Dd6
(2...Cc7
3.b4
; 2...Ad6??
3.Dxd5++-
Rd7
4.Ce4
) 3.Dg5
(3.De3
De6=
) 3...Dd7~~
(3...Ae7~~
) ]
2...b5
[2...Cc7
3.b5+
Cxb5
4.Cxb5
Rxb5
5.a4+!
(5.c4+
Ra6
) 5...Rb6
(5...Ra5?
6.De2+-
; 5...Rc4?
6.De3
Af5
(6...Dc7
7.Dd3+
Rb4
8.Ad2+
Dc3
9.Dxc3#
) 7.Ab2
Ad3
8.Dxd3+
Rb4
9.Dc3#
; 5...Ra6
6.De2+
Rb6
7.Db5+
Rc7
8.Af4+
Ad6
9.Dc5+
Rd7
10.Dxd6+
Re8
11.De5+
Rf8
(11...Rf7
12.Dh5+
Rg8
(12...g6
13.Df3
) 13.Tfe1
; 11...Rd7
12.Dxd5+
Re7
(12...Re8
13.Tae1+
) 13.Ag5+
) 12.Tfe1
) 6.Tb1+
(6.a5+
Rc6
7.c4
) 6...Rc6
7.c4
b6
(7...Ad6
8.Dxg7+-
) 8.Af4+/-
Rb7
(8...Dd6
9.cxd5+
Rd7
10.De3+-
) 9.c5
Ad7
10.cxb6
axb6
11.Tfc1
Ac6
(11...Tc8
12.Ag5
Txc1+
13.Txc1
De8
14.Dc7+
Ra6
15.a5
Rxa5
(15...bxa5
16.Ad8
; 15...De6
16.axb6
Ab4
17.Ta1+
Rb5
18.Da7
) 16.Ad8
) 12.Txc6
Rxc6
13.Tc1+
Ac5
14.dxc5
Txa4
15.De6+
]
3.Af4
[3.a4
Cxb4
(3...Cc7
) 4.axb5+
(4.Af4
De7
(4...bxa4
5.De2
Aa6
6.De6++/-
) 5.Dh5
) 4...Rb7
(4...Rb6
5.Aa3+-
; 4...Rd7??
5.Cxd5+-
) 5.Af4
De7
6.Dh5
Ae6~~
]
3...Cc7~~
*