70.Qe3+!
Shredder 8 announces checkmate.
70...Kh2
[ 70...Rg3
71.Qh6+
Kg4
72.Qg7+
Kf3
( 72...Kh3
73.Qh8+
Kg4
74.Qd4+
Kh3
75.c7
; 72...Kh4
73.Qh8+
Kg5
74.Qd8+
Kh5
75.Qd1+
Kh4
76.c7
Rg8
( 76...Rg6+
77.Kxa5
g1Q
78.Qxg1
Rxg1
79.c8Q
Ra1+
80.Kb5
Rb1+
81.Ka4
Re1
82.Qf5
Rg1
83.Qh7+
Kg3
84.Qg7+
Kf2
85.Qd4+
Kg2
86.Kb4
Rf1
87.Qg4+
Kf2
88.Kc3
Ra1
89.Qe6
Ra4
90.Kd3
Ra3+
91.Kd2
Rf3
92.Qg4
Ra3
93.Qd4+
Kg2
94.Ke2
Rg3
95.Qd5+
Kh3
96.Kf2
Kh4
97.Qh1+
Rh3
98.Qc1
Kg4
99.Qc8+
Kh4
100.Qe6
Rg3
101.Qh6+
Kg4
102.Qg6+
Kf4
103.Qxg3+
Kf5
104.Qd6
Kg5
105.Kg3
Kf5
106.Kf3
Kg5
107.Qe6
Kh5
108.Kf4
Kh4
109.Qg4#
) 77.Qd8+
Rg5
78.Qd4+
Rg4
79.Qf2+
Kh5
80.c8Q
g1Q
81.Qxg1
Rxg1
82.Qh8+
Kg4
83.Qd4+
Kf5
84.Qxg1
) 73.Qc3+
Kf2
74.Qd4+
Re3
( 74...Kf3
75.c7
g1Q
76.Qxg1
Rxg1
77.c8Q
) 75.c7
g1Q
76.c8Q
Qb1+
77.Ka7
Qh7+
78.Qcd7
Qh5
79.Qd2+
Kf1
80.Qc1+
Kf2
81.Qdd2+
Qe2
82.Qce1+
Kf3
83.Qd5+
Kf4
84.Qh4+
Qg4
85.Qf7+
Ke4
86.Qxg4+
Kd3
87.Qb3+
Kd2
88.Qgd1#
; 70...Kh4
71.Qf4+
Kh3
72.Qf5+
Rg4
73.Qf3+
Kh4
74.Qf2+
Kh3
75.c7
Rc4
76.Qe3+
Kh2
77.Qe5+
Kh1
78.Qh5+
Kg1
79.Qe2
Rb4+
80.Kxa5
]
71.Qf2
Rg4
[ 71...Rg3
Shredder: Mate in 26.; 71...Re6
72.Kb7
Kh1
73.c7
Mate in 32.; 71...Kh3
72.Qf5+
Rg4
73.Qf3+
Kh4
74.Qf2+
Kh3
75.c7
; 71...a4
72.Kb7
Rg3
73.c7
Rg8
74.c8Q
Rxc8
75.Kxc8
a3
76.Kd7
Kh1
77.Qh4+
Kg1
78.Kd6
a2
79.Qe1+
Kh2
80.Qe5+
Kh3
81.Qa1
Kh2
82.Qxa2
Kh1
83.Qa8
Kh2
84.Qh8+
Kg3
85.Qd4
Kh2
86.Qh4+
Kg1
87.Ke5
Kf1
88.Qf4+
Ke2
89.Qg3
Kf1
( 89...g1Q
90.Qxg1
Kd2
91.Qd4+
Kc1
92.Qc3+
Kd1
93.Qe3
Kc2
94.Kd4
Kb2
95.Qd2+
Kb3
96.Kc5
Ka3
97.Kc4
Ka4
98.Qb4#
) 90.Qf3+
Kg1
91.Kf4
Kh2
92.Qg3+
Kh1
93.Qh4+
Kg1
94.Kf3
Kf1
95.Qf2#
; 71...Kh1
72.Qh4+
Kg1
73.Qe4
Rh6
74.Qe3+
Kf1
75.Qxh6
g1Q+
76.Kxa5
Qa7+
77.Kb5
Qc7
78.Qe3
Kg2
79.Qb6
]
72.c7
[ 72.Qe2
Rg8
73.c7
a4
74.Qe5+
Kh1
75.Qh5+
Kg1
]
72...Rc4
73.Kb7
a4
74.c8Q
Rxc8
75.Kxc8
a3
76.Kb7
Kh1
77.Qh4+
Kg1
78.Kc6
Kf1
79.Qf4+
Ke2
80.Qg3
Kf1
81.Qf3+
Kg1
82.Qxa3
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