MESON Chess Problem Database
Problem Display
PID: 157778 (3R2BB/7Q/8/2nrq3/3kr2R/N1p1n3/KPp2P2/2N5 w - - 0 1)
Meadley, Robert
Sunday Mirror, 1962
#2
10 + 8
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Bxf6#
- 1...Qg7
- 2.Bxg7#
- 2.Qxg7#
- 1...Qxh8
- 2.Qxh8#
- 1...Rf4
- 2.Se2#
- 1...Rg4
- 2.Se2#
- 1...Rxh4
- 2.Se2#
- 1...Rd6
- 2.Sb5#
- 1...Rd7
- 2.Sb5#
- 1...Rxd8
- 2.Sb5#
- 1...Sd1
- 2.Rxd5#
- 1...Sf1
- 2.Rxd5#
- 1...Sg2
- 2.Rxd5#
- 1...Sc4
- 2.Sxc2#
- 2.Sb5#
- 2.Rxd5#
- 1...Sg4
- 2.Rxd5#
- 1...Sf5
- 2.Rxd5#
- 1...Sd3
- 2.Sb3#
- 1...Qf6
- Tries
- 1.Qh6?
- threat
- 2.Qxe3#
- 2.fxe3#
- 1...Qxh8
- 2.Qxh8#
- 1...Rxh4
- 2.Qxe3#
- 1...cxb2
- 2.Qxe3#
- 1...Qf6
- 2.Bxf6#
- 2.Qxf6#
- 1...Qg7
- 2.Bxg7#
- 2.Qxg7#
- 1...Rg4
- 2.Qxe3#
- 1...Sb3
- 2.Qxe3#
- 1...Sd3
- 2.Sb3#
- 2.Qxe3#
- 1...Sa4
- 2.Qxe3#
- 1...Sa6
- 2.Qxe3#
- 1...Se6
- 2.Qxe3#
- 1...Sb7
- 2.Qxe3#
- 1...Sd7
- 2.Qxe3#
- 1...Sd1
- 2.Rxd5#
- 1...Sf1
- 2.Rxd5#
- 1...Sg2
- 2.Rxd5#
- 1...Sc4
- 2.Sxc2#
- 2.Sb5#
- 2.Rxd5#
- 1...Sg4
- 2.Rxd5#
- 1...Sf5
- 2.Rxd5#
- 1...Rf4!
- threat
- 1.Qc7?
- threat
- 2.Bxe5#
- 2.Qxe5#
- 1...Rxh4
- 2.Qxe5#
- 1...Rf4
- 2.Qxe5#
- 1...Rg4
- 2.Qxe5#
- 1...Qf6
- 2.Bxf6#
- 1...Qg7
- 2.Bxg7#
- 2.Qxg7#
- 1...Rd6
- 2.Sb5#
- 1...Sc4
- 2.Sxc2#
- 2.Sb5#
- 2.Rxd5#
- 1...Sg4
- 2.Rxd5#
- 1...Sb3
- 2.Sb5#
- 2.Bxe5#
- 2.Qxc3#
- 2.bxc3#
- 1...Sd3
- 2.Se2#
- 2.Sb3#
- 2.Sb5#
- 2.Qxc3#
- 2.bxc3#
- 1...Sa4
- 2.Sb5#
- 2.Bxe5#
- 1...Sa6
- 2.Sb5#
- 2.Bxe5#
- 2.Qxc3#
- 2.bxc3#
- 1...Se6
- 2.Sb5#
- 2.Bxe5#
- 2.Qxc3#
- 2.bxc3#
- 1...Sb7
- 2.Sb5#
- 2.Bxe5#
- 2.Qxc3#
- 2.bxc3#
- 1...Sd7
- 2.Qxc3#
- 2.bxc3#
- 1...Qxh8!
- threat
- 1.Qh6?
- Keys
- 1.b4!
- 1...Qxh8
- 2.Qxh8#
- 1...Rxh4
- 2.Se2#
- 1...Rxd8
- 2.Sb5#
- 1...Qf6
- 2.Bxf6#
- 1...Qg7
- 2.Bxg7#
- 2.Qxg7#
- 1...Rf4
- 2.Se2#
- 1...Rg4
- 2.Se2#
- 1...Rd6
- 2.Sb5#
- 1...Rd7
- 2.Sb5#
- 1...Sd1
- 2.Rxd5#
- 1...Sf1
- 2.Rxd5#
- 1...Sg2
- 2.Rxd5#
- 1...Sc4
- 2.Sxc2#
- 2.Sb5#
- 2.Rxd5#
- 1...Sg4
- 2.Rxd5#
- 1...Sf5
- 2.Rxd5#
- 1...Sb3
- 2.Rxe4#
- 2.Qxe4#
- 1...Sd3
- 2.Se2#
- 2.Sb3#
- 2.Rxe4#
- 2.Qxe4#
- 1...Sa4
- 2.Rxe4#
- 2.Qxe4#
- 1...Sa6
- 2.Rxe4#
- 2.Qxe4#
- 1...Se6
- 2.Rxe4#
- 2.Qxe4#
- 1...Sb7
- 2.Rxe4#
- 2.Qxe4#
- 1...Sd7
- 2.Rxe4#
- 2.Qxe4#
- 1...Qxh8
- 1.b4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- Q(h);OGATEB::B(J),XQ(h)
- Q(h);N_SPINQ(h),OGATE,XB(J)::QAB(G),XQ(h)
- R(e);::S(A)
- R(e);N_SPINR(e),P_SPINR(g),XR(F)::S(A)
- R(g);::S(E)
- R(g);XR(H)::S(E)
- S(c);N_GUARD::R1(H),XR(g)
- S(c);N_GUARD,N_SPINR(e),P_SPINR(g)::R1(H),XR(g)
- S(f);N_GUARD,SBLOCK::S(A)
- Tries
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- Q(h);N_SPINQ(h),OGATE,XB(J)::QAB(G),XQ(h)
- R(e);N_SPINR(e),P_SPINR(g),XR(F)::QAB1(G),XS(c)
- P(b);XP(C)::QAB1(G),XS(c)
- R(e);::QAB1(G),XS(c)
- S(f);::QAB1(G),XS(c)
- S(c);N_GUARD::R1(H),XR(g)
- S(c);N_GUARD,N_SPINR(e),P_SPINR(g)::R1(H),XR(g)
- Refutation
- R(e);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(e);N_SPINR(e),P_SPINR(g),XR(F)::QAB1(G),XQ(h)
- R(e);::QAB1(G),XQ(h)
- Q(h);OGATEB::B(J),XQ(h)
- R(g);::S(E)
- S(c);N_GUARD,N_SPINR(e),P_SPINR(g)::R1(H),XR(g)
- Refutation
- Q(h);N_SPINQ(h),XB(J)
- Try
- Actual
- P(C);
- Vars
- Q(h);N_SPINQ(h),OGATE,XB(J)::QAB(G),XQ(h)
- R(e);N_SPINR(e),P_SPINR(g),XR(F)::S(A)
- R(g);XR(H)::S(E)
- Q(h);OGATEB::B(J),XQ(h)
- R(e);::S(A)
- R(g);::S(E)
- S(c);N_GUARD::R1(H),XR(g)
- S(c);N_GUARD,N_SPINR(e),P_SPINR(g)::R1(H),XR(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).