PID: 186716 (K5b1/6PB/pp4RN/4P3/3PkB2/4P3/qpR1P2N/1Q2b3 w - - 0 1)
Mere, S
Chess, 1960
#2
13 + 7
SOLUTION
SOUND
Sets
1...Kd5
2.Rd6#
1...Qd5+
2.Rcc6#
1...Qe6
2.Rc5#
1...Qf7
2.Rc5#
1...Qa5
2.Rc5#
1...Bd2
2.Qh1#
1...Bf2
2.Qh1#
1...Bc3
2.Qh1#
1...Bg3
2.Qh1#
1...Bb4
2.Qh1#
1...Bh4
2.Qh1#
1...Ba5
2.Qh1#
1...Bb3
2.Rd6#
1...Bc4
2.Rd6#
1...Bd5+
2.Rgc6#
Tries
1.Sxg8?
threat
2.Rd6#
1...Qd5+
2.Rcc6#
2.Rgc6#
1...Kd5
2.Rd6#
1...Kf5
2.Rxb6#
2.Rgc6#
2.Rd6#
2.Rf6#
2.Rh6#
1...Qe6
2.Rc5#
1...Qf7
2.Rc5#
1...Qxg8+!
1.Rc1+?
1...Kd5
2.Bxg8#
2.Rd6#
1...Qxb1!
1.Rxb2+?
1...Kd5
2.Bxg8#
1...Qxb1!
1.Rd2+?
1...Kd5
2.Bxg8#
1...Qxb1!
1.Rc3+?
1...Kd5
2.Bxg8#
2.Rd6#
1...Qxb1!
1.Rc4+?
1...Kd5
2.Bxg8#
1...Qxb1!
1.Rcc6+?
1...Kd5
2.Bxg8#
2.Rgd6#
1...Qxb1!
1.Rc7+?
1...Kd5
2.Bxg8#
2.Rd6#
1...Qxb1!
1.Rc8+?
1...Kd5
2.Bxg8#
2.Rd6#
1...Qxb1!
1.Rg1+?
1...Kd5
2.Qxa2#
1...Bxh7!
1.Rg2+?
1...Kd5
2.Qxa2#
1...Bxh7!
1.Rg3+?
1...Kd5
2.Qxa2#
1...Bxh7!
1.Rg4+?
1...Kd5
2.Qxa2#
1...Bxh7!
1.Rg5+?
1...Kd5
2.Qxa2#
1...Bxh7!
1.Rxb6+?
1...Kd5
2.Rc5#
2.Rd6#
2.Qxa2#
1...Bxh7!
1.Rgc6+?
1...Kd5
2.Rd6#
2.Qxa2#
1...Bxh7!
1.Re6+?
1...Kd5
2.Rd6#
2.Qxa2#
1...Bxh7!
1.Rf6+?
1...Kd5
2.Rd6#
2.Qxa2#
1...Bxh7!
Keys
1.S2g4!
threat
2.Sf6#
1...Qd5+
2.Rcc6#
1...Bd5+
2.Rgc6#
1...Kd5
2.Rd6#
1...Qe6
2.Rc5#
1...Qf7
2.Rc5#
1...Bh4
2.Qh1#
FEATURES
Static
TYPE = THREAT
CHANGED MATES = 0
ADDED MATES = 0
REMOVED MATES = 9
Sets
K(d);S_FLIGHT::R1(I)
Q(b);CHECK,N_GUARD,SBLOCK::QAB(A)+R(B)
Q(b);N_GUARD::QAB(A)+R(B)
B(a);OGATE::QAB(A)
B(g);N_GUARD::B(L)+R(I)
B(g);CHECK,N_GUARD,SBLOCK::B(L)+R(I)
Tries
Try
S(J);XB(g)
Threat
B(L)+R(I)
Vars
K(d);S_FLIGHT::R1(I)
Q(b);N_GUARD::QAB(A)+R(B)
Refutation
Q(b);CHECK,XS(J)
Try
R(B);CHECK
Refutation
Q(b);XQ(A)
Try
R(B);CHECK,XP(c)
Vars
K(d);S_FLIGHT::B(L),XB(g)
Refutation
Q(b);XQ(A)
Try
R(B);CHECK
Vars
K(d);S_FLIGHT::B(L),XB(g)
Refutation
Q(b);XQ(A)
Try
R(B);CHECK
Refutation
Q(b);XQ(A)
Try
R(B);CHECK
Vars
K(d);S_FLIGHT::B(L),XB(g)
Refutation
Q(b);XQ(A)
Try
R(B);CHECK
Refutation
Q(b);XQ(A)
Try
R(B);CHECK
Refutation
Q(b);XQ(A)
Try
R(B);CHECK
Refutation
Q(b);XQ(A)
Try
R(I);CHECK
Vars
K(d);S_FLIGHT::QAB(A),XQ(b)
Refutation
B(g);XB(L)
Try
R(I);CHECK
Vars
K(d);S_FLIGHT::QAB(A),XQ(b)
Refutation
B(g);XB(L)
Try
R(I);CHECK
Vars
K(d);S_FLIGHT::QAB(A),XQ(b)
Refutation
B(g);XB(L)
Try
R(I);CHECK
Vars
K(d);S_FLIGHT::QAB(A),XQ(b)
Refutation
B(g);XB(L)
Try
R(I);CHECK
Vars
K(d);S_FLIGHT::QAB(A),XQ(b)
Refutation
B(g);XB(L)
Try
R(I);CHECK,XP(f)
Refutation
B(g);XB(L)
Try
R(I);CHECK
Refutation
B(g);XB(L)
Try
R(I);CHECK
Refutation
B(g);XB(L)
Try
R(I);CHECK
Refutation
B(g);XB(L)
Actual
S(D);
Threat
S(D)
Vars
Q(b);CHECK,N_GUARD,SBLOCK::QAB(A)+R(B)
B(g);CHECK,N_GUARD,SBLOCK::B(L)+R(I)
K(d);S_FLIGHT::R1(I)
Q(b);N_GUARD::QAB(A)+R(B)
B(a);OGATE::QAB(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).