PID: 185933 (n7/1b3N1K/NQ3B2/pp1k4/qb2rp2/2R1P3/6B1/8 w - - 0 1)
Hulme, R
Chess, 1958
#2
8 + 9
SOLUTION
SOUND
Sets
1...Bc5
2.Rxc5#
1...Bd6
2.Qxd6#
1...Bxa6
2.Qc6#
1...Bc6
2.Qxc6#
1...Bc8
2.Qc6#
1...Sxb6
2.Sc7#
1...Sc7
2.Sxc7#
Tries
1.Sxb4+?
1...axb4
2.Rc5#
2.Qd6#
1...Qxb4!
1.Sc5?
threat
2.Bxe4#
2.Qd6#
2.Qe6#
2.Qxb7#
1...Bxc5
2.Rxc5#
1...Sxb6
2.Bxe4#
1...Qc2
2.Qd6#
2.Qe6#
2.Qxb7#
1...Ba3
2.Qd6#
2.Qe6#
2.Qxb7#
1...Ba6
2.Bxe4#
2.Qd6#
2.Qe6#
1...Bc6
2.Bxe4#
1...Bc8
2.Bxe4#
2.Qd6#
1...Sc7
2.Bxe4#
2.Qd6#
2.Qxb7#
1...f3
2.Qd6#
2.Qxb7#
1...Bxc3!
1.Qd8+?
1...Bd6
2.Qxd6#
1...Ke6!
Keys
1.Bh3!
threat
2.Qxb7#
1...Bxc3
2.Qc5#
1...Bxa6
2.Qc6#
1...Sxb6
2.Sc7#
1...Rc4
2.Qe6#
1...Re6
2.Qd4#
2.Qxe6#
1...Re7
2.Qd4#
1...Bc6
2.Qxc6#
1...Bc8
2.Qc6#
FEATURES
Static
TYPE = THREAT
CHANGED MATES = 0
ADDED MATES = 3
REMOVED MATES = 3
Sets
B(b);N_GUARD::R1(B),XB(b)
B(b);N_GUARD::QAR1(E),XB(b)
B(h);N_GUARD,XS(D)::QAB1(E)
B(h);N_GUARD::QAB1(E),XB(h)
B(h);N_GUARD::QAB1(E)
S(i);N_GUARD,XQ(E)::S(D)
S(i);N_GUARD::S(D),XS(i)
Tries
Try
S(D);CHECK,XB(b)
Refutation
Q(a);XS(D)
Try
S(D);
Threat
DUALS(4)
Vars
B(b);OGATE,XS(D)::R1(B),XB(b)
S(i);XQ(E)::B(A),XR(c)
B(h);::B(A),XR(c)
Refutation
B(b);XR(B)
Try
Q(E);CHECK
Vars
B(b);N_GUARD,P_SPINB(b)::QAR1(E),XB(b)
Refutation
K(g);N_SPINR(c),S_FLIGHT
Actual
B(A);N_PINR(c)
Threat
QAB(E),XB(h)
Vars
B(b);N_GUARD,XR(B)::QAR1(E)
B(h);N_GUARD,XS(D)::QAB1(E)
S(i);N_GUARD,XQ(E)::S(D)
R(c);N_GUARD::QAB1(E)
R(c);N_GUARD,P_PINS(G)::QAR1(E)
B(h);N_GUARD::QAB1(E),XB(h)
B(h);N_GUARD::QAB1(E)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).