PID: 186710 (2N5/2Rr3p/B1N2p2/2k4K/8/2B5/P7/Q1Rr2b1 w - - 0 1)
Henry, S
Chess, 1960
#2
9 + 6
SOLUTION
SOUND
Sets
1...R1d5+
2.Be5#
1...Rd2
2.Sb4#
2.S6e7#
1...Rd3
2.Sb4#
2.S6e7#
1...Rd4
2.Sb4#
2.S6e7#
1...R7d5+
2.Se5#
1...Re7
2.S6xe7#
1...Rf7
2.S6e7#
1...Rg7
2.S6e7#
1...Rd8
2.Sb4#
2.S6e7#
Tries
1.Sd8+?
1...Kd5
2.Bb7#
1...Rxc7!
1.Bxf6+?
1...Kd5
2.Qe5#
1...Rxc1!
1.Qb2?
threat
2.Qb5#
1...R1d5+
2.Be5#
1...R7d5+
2.Se5#
1...Kd5!
Keys
1.Qb1!
threat
2.Qb5#
1...R1d5+
2.Be5#
1...R7d5+
2.Se5#
1...Kd5
2.Qf5#
FEATURES
Static
TYPE = THREAT
CHANGED MATES = 0
ADDED MATES = 1
REMOVED MATES = 3
Sets
R(a);CHECK,N_GUARD,SBLOCK::R(B)+B(D)
R(e);CHECK,N_GUARD,SBLOCK::R(H)+S(G)
R(e);N_GUARD::R(H)+S(G),XR(e)
R(e);N_GUARD::R(H)+S(G)
Tries
Try
S(G);CHECK
Vars
K(c);P-FLIGHT::B(F)
Refutation
R(e);XR(H)
Try
B(D);CHECK,XP(d)
Vars
K(c);P-FLIGHT::QAR1(A)
Refutation
R(a);XR(B)
Try
Q(A);
Threat
QAR1(A)
Vars
R(a);CHECK,N_GUARD,SBLOCK::R(B)+B(D)
R(e);CHECK,N_GUARD,SBLOCK::R(H)+S(G)
Refutation
K(c);P-FLIGHT
Actual
Q(A);
Threat
QAR1(A)
Vars
R(a);CHECK,N_GUARD,SBLOCK::R(B)+B(D)
R(e);CHECK,N_GUARD,SBLOCK::R(H)+S(G)
K(c);P-FLIGHT::QAR2(A)
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).