PID: 214929 (krR3Nq/b6p/N6P/5Bp1/4R3/3p4/1P1P2n1/3Q1bBK w - - 0 1)
Anonymous
SEPA, 1942
#2
11 + 9
SOLUTION
SOUND
Keys
1.Qf3!
threat
2.Re1#
2.Re2#
2.Re3#
2.Ra4#
2.Rb4#
2.Rec4#
2.Rd4#
2.Rf4#
2.Rg4#
2.Rh4#
2.Re5#
2.Re6#
2.Re7#
2.Ree8#
1...Kb7
2.Ra4#
1...Qxb2
2.Rb4#
1...Qxg8
2.Re6#
1...Rxc8
2.Re8#
1...Bxg1
2.Re7#
1...Bf2
2.Re7#
1...Be3
2.Re7#
1...Bd4
2.Re7#
1...Bc5
2.Re7#
1...Bb6
2.Re7#
1...Qd4
2.Rxd4#
1...Qc3
2.Rec4#
1...Qe5
2.Rxe5#
1...Qf6
2.Re6#
1...Qg7
2.Re7#
1...Be2
2.Rxe2#
1...Se1
2.Rxe1#
1...Se3
2.Rxe3#
1...Sf4
2.Rxf4#
1...Sh4
2.Rxh4#
1...g4
2.Rxg4#
FEATURES
Static
TYPE = THREAT
CHANGED MATES = 0
ADDED MATES = 21
REMOVED MATES = 0
Sets
Actual
Q(A);
Threat
DUALS(14)
Vars
K(g);N_SPINR(h),S_FLIGHT::QAB(A)+R(F)
Q(i);XP(D)::QAB(A)+R(F)
Q(i);XS(K)::QAB(A)+R(F)
R(h);N_SPINR(h),XR(J)::QAB(A)+R(F)
B(e);XB(B)::QAB(A)+R(F)
B(e);::QAB(A)+R(F)
Q(i);::QAB(A)+R(F),XQ(i)
Q(i);::QAB(A)+R(F)
B(a);::QAB(A)+R(F),XB(a)
S(b);::QAB(A)+R(F),XS(b)
P(d);::QAB(A)+R(F),XP(d)
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).