227
Iuri Akobia
The Problemist, 2009
Win
1.b6!
[1.Rxa4!?
b2
2.Rb4
Kc2
3.Rxb2+
Kxb2
4.Kxd2
Kb3
5.Kd3
Kb4=
]
1...cxb6
2.Rd5
[2.Rxa4!?
b2
3.Rb4
Kc1
4.Rc4+
Kb1
5.Kxd2
Ka2
6.Ra4+
Kb3=
]
2...a3
[2...b2
3.Rxd2+
Kc1
4.Nf4!
a3
5.Ne2+
Kb1
6.Nc3+
Ka1
7.Rd1++-
; 2...Kc1
3.Rxd2
a3
(3...b2
4.Nf4!
(4.Ne1!?
Kb1
5.Kd3
Ka1
6.Nc2+
Ka2
7.Nb4+
Ka1
8.Nc2+
positional draw) 4...a3
(4...Kb1
5.Ne2
Ka2
6.Rd3
b1N
7.Nc3+
Nxc3
8.Rxc3+-
) 5.Ne2+
Kb1
6.Nc3+
Ka1
7.Rd1++-
) 4.Ne1
]
3.Rxd2+
[3.Nf4!?
Kc1
4.Ne2+
Kb1
5.Rxd2
a2
6.Nc3+
Ka1
7.Nd1
Kb1=
]
3...Kc1
4.Ne1!
[4.Nf4!?
Kb1
5.Ne2
a2
6.Nc3+
Ka1
7.Na4
Kb1
8.Rb2+
Kc1=
]
4...b2
[4...a2
5.Nd3+
Kb1
6.Rd1++-
]
5.Rg2!!
[Thematic try 5.Rf2!?
Kb1
6.Kd2
a2
7.Nc2
a1Q
8.Nb4
Qa6!
prevents the mate threate Rf1# 9.Nxa6
Ka1=
; Thematic try 5.Re2!?
b5
6.Nd3+
Kb1
7.Nb4
Ka1
8.Nc2+
Ka2
9.Nd4
Ka1
10.Nb3+
Ka2
11.Nd4
positional draw 11...Ka1
; Thematic try 5.Rh2!?
Kb1
6.Kd2
a2
7.Nc2
a1Q
8.Nxa1
draws ]
5...Kb1
[5...b1Q
6.Nd3+
Qxd3+
(6...Kd1
7.Rd2#
) 7.Kxd3
Kb1
8.Kc3
a2
9.Rg1#
]
6.Kd2
a2!
[main 6...Ka1
7.Nc2+
Ka2
8.Nxa3
Kxa3
9.Kc2+-
]
7.Nc2
[7.Rg1!?
a1Q
8.Nc2+
Ka2=
]
7...a1Q
8.Nb4
and wins, because Black can not to prevent Rg1#
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