PID: 186713 (5B2/3r3b/2B5/2nN1n1R/3k4/8/4Q2K/1N6 w - - 0 1)
Hoole, JR
Chess, 1960
#2
7 + 5
SOLUTION
SOUND
Sets
1...Se7
2.Bg7#
Tries
1.Sd2?
threat
2.Sf3#
1...Sd3
2.Qe4#
1...Se3
2.Qxe3#
1...Sh4
2.Qc4#
2.Qe3#
1...Rxd5!
1.Sdc3?
threat
2.Sb5#
1...Sd3
2.Qe4#
1...Se4
2.Qxe4#
1...Sd6
2.Rd5#
1...Rb7!
1.Sc7?
threat
2.Sb5#
1...Sd3
2.Qe4#
1...Se4
2.Qxe4#
1...Sd6
2.Rd5#
1...Rxc7!
1.Rh4+?
1...Se4
2.Rxe4#
2.Qxe4#
1...Sxh4!
1.Qe3+?
1...Kc4
2.Sd2#
2.Sa3#
2.Qc3#
1...Sxe3!
Keys
1.Sb4!
threat
2.Sc2#
1...Sd3
2.Qe4#
1...Se4
2.Qxe4#
1...Se3
2.Bxc5#
1...Sg3
2.Bxc5#
1...Sh4
2.Bxc5#
1...Sd6
2.Rd5#
1...Sh6
2.Bxc5#
1...Se7
2.Bg7#
1...Sg7
2.Bxc5#
FEATURES
Static
TYPE = THREAT
CHANGED MATES = 0
ADDED MATES = 8
REMOVED MATES = 0
Sets
S(c);N_GUARD,S_CUTR(d)::B(G)
Tries
Try
S(A);
Threat
S(A)
Vars
S(b);N_GUARD::QAR1(B)
S(c);N_GUARD::QAB1(B),XS(c)
Refutation
R(d);XS(D)
Try
S(D);
Threat
S(D)
Vars
S(b);N_GUARD::QAR1(B)
S(b);N_GUARD::QAR1(B),XS(b)
S(c);OGATE::R1(E)
Refutation
R(d);
Try
S(D);
Threat
S(D)
Vars
S(b);N_GUARD::QAR1(B)
S(b);N_GUARD::QAR1(B),XS(b)
S(c);OGATE::R1(E)
Refutation
R(d);XS(D)
Try
R(E);CHECK
Refutation
S(c);XR(E)
Try
Q(B);CHECK
Refutation
S(c);XQ(B)
Actual
S(D);
Threat
S(D)
Vars
S(b);N_GUARD::QAR1(B)
S(b);N_GUARD::QAR1(B),XS(b)
S(c);::B(G),XS(b)
S(c);OGATE::R1(E)
S(c);N_GUARD,S_CUTR(d)::B(G)
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).