MESON Chess Problem Database
Problem Display
PID: 78604 (1kB1r3/1P6/KP6/3Q4/2n5/8/8/5R1R w - - 0 1)
Reeves, Alfred Christopher
The Problemist Supplement, 2008
#2
7 + 3
SOLUTION
- SOUND
- Sets
- 1...Sb2
- 2.Qd6#
- 1...Sd2
- 2.Qd6#
- 1...Sa3
- 2.Qd6#
- 1...Se3
- 2.Qd6#
- 1...Sa5
- 2.Qd6#
- 1...Se5
- 2.Qd6#
- 1...Sxb6
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sb2
- Tries
- 1.Bh3?
- 1...Sxb6
- 2.Qd6#
- 1...Re1
- 2.Qd8#
- 1...Re2
- 2.Qd8#
- 1...Re3
- 2.Qd8#
- 1...Re4
- 2.Qd8#
- 1...Re5
- 2.Qd8#
- 1...Re6
- 2.Qd8#
- 1...Re7
- 2.Qd8#
- 1...Rc8
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rd8
- 2.Qxd8#
- 1...Rf8
- 2.Rxf8#
- 1...Rg8
- 2.Qxg8#
- 1...Sb2
- 2.Qd6#
- 1...Sd2
- 2.Qd6#
- 1...Sa3
- 2.Qd6#
- 1...Se3
- 2.Qd6#
- 1...Sa5
- 2.Qd6#
- 1...Se5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Rh8!
- 1...Sxb6
- 1.Bf5?
- 1...Sxb6
- 2.Qd6#
- 1...Re1
- 2.Qd8#
- 1...Re2
- 2.Qd8#
- 1...Re3
- 2.Qd8#
- 1...Re4
- 2.Qd8#
- 1...Re5
- 2.Qd8#
- 1...Re6
- 2.Qd8#
- 1...Re7
- 2.Qd8#
- 1...Rc8
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rd8
- 2.Qxd8#
- 1...Rg8
- 2.Qxg8#
- 1...Rh8
- 2.Rxh8#
- 1...Sb2
- 2.Qd6#
- 1...Sd2
- 2.Qd6#
- 1...Sa3
- 2.Qd6#
- 1...Se3
- 2.Qd6#
- 1...Sa5
- 2.Qd6#
- 1...Se5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Rf8!
- 1...Sxb6
- 1.Be6?
- 1...Rxe6
- 2.Qd8#
- 1...Sxb6
- 2.Qe5#
- 2.Qd6#
- 1...Re7
- 2.Qd8#
- 1...Rc8
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rd8
- 2.Qxd8#
- 1...Rf8
- 2.Rxf8#
- 1...Rh8
- 2.Rxh8#
- 1...Sb2
- 2.Qe5#
- 2.Qd6#
- 1...Sd2
- 2.Qe5#
- 2.Qd6#
- 1...Sa3
- 2.Qe5#
- 2.Qd6#
- 1...Se3
- 2.Qe5#
- 2.Qd6#
- 1...Sa5
- 2.Qe5#
- 2.Qd6#
- 1...Se5
- 2.Qxe5#
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Rg8!
- 1...Rxe6
- 1.Qxc4?
- threat
- 2.Qc7#
- 1...Rxc8
- 2.Qxc8#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Re7!
- threat
- 1.Qc6?
- threat
- 2.Qc7#
- 1...Rxc8
- 2.Qxc8#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Sxb6
- 2.Qd6#
- 1...Re7!
- threat
- 1.Qc5?
- threat
- 2.Qc7#
- 1...Rxc8
- 2.Qxc8#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Sxb6
- 2.Qd6#
- 1...Re7!
- threat
- 1.Qd7?
- threat
- 2.Qc7#
- 1...Rxc8
- 2.Qxc8#
- 2.bxc8Q#
- 2.bxc8R#
- 1...Sxb6
- 2.Qd6#
- 1...Re7!
- threat
- 1.Qd8?
- threat
- 2.Qc7#
- 1...Sxb6
- 2.Qd6#
- 1...Re7
- 2.Bh3#
- 2.Bg4#
- 2.Bf5#
- 2.Be6#
- 2.Bd7#
- 1...Rxd8!
- threat
- 1.Bh3?
- Keys
- 1.Bg4!
- 1...Sxb6
- 2.Qd6#
- 1...Re1
- 2.Qd8#
- 1...Re2
- 2.Qd8#
- 1...Re3
- 2.Qd8#
- 1...Re4
- 2.Qd8#
- 1...Re5
- 2.Qd8#
- 1...Re6
- 2.Qd8#
- 1...Re7
- 2.Qd8#
- 1...Rc8
- 2.bxc8Q#
- 2.bxc8R#
- 1...Rd8
- 2.Qxd8#
- 1...Rf8
- 2.Rxf8#
- 1...Rg8
- 2.Qxg8#
- 1...Rh8
- 2.Rxh8#
- 1...Sb2
- 2.Qd6#
- 1...Sd2
- 2.Qd6#
- 1...Sa3
- 2.Qd6#
- 1...Se3
- 2.Qd6#
- 1...Sa5
- 2.Qd6#
- 1...Se5
- 2.Qd6#
- 1...Sd6
- 2.Qxd6#
- 1...Sxb6
- 1.Bg4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD,XP(E)::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- Tries
- Try
- B(G);
- Vars
- S(a);N_GUARD,XP(E)::QAB(C)
- R(c);N_GUARD::QAR2(C)
- R(c);N_GUARD,P_PINP(E)::QAR2(C)
- R(c);OGATE::PXR(c)=Q
- R(c);N_GUARD::QAR2(C),XR(c)
- R(c);OGATEB::R(A),XR(c)
- R(c);OGATEB::QAR(C),XR(c)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- Refutation
- R(c);
- Try
- B(G);
- Vars
- S(a);N_GUARD,XP(E)::QAB(C)
- R(c);N_GUARD::QAR2(C)
- R(c);N_GUARD,P_PINP(E)::QAR2(C)
- R(c);OGATE::PXR(c)=Q
- R(c);N_GUARD::QAR2(C),XR(c)
- R(c);OGATEB::QAR(C),XR(c)
- R(c);OGATEB::R(B),XR(c)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- Refutation
- R(c);
- Try
- B(G);
- Vars
- R(c);N_GUARD,P_PINP(E),XB(G)::QAR2(C)
- R(c);N_GUARD::QAR2(C)
- R(c);OGATE::PXR(c)=Q
- R(c);N_GUARD::QAR2(C),XR(c)
- R(c);OGATEB::R(A),XR(c)
- R(c);OGATEB::R(B),XR(c)
- S(a);N_GUARD::QAB(C),XS(a)
- Refutation
- R(c);
- Try
- Q(C);XS(a)
- Threat
- QAB1(C)
- Refutation
- R(c);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- S(a);N_GUARD,XP(E)::QAB(C)
- Refutation
- R(c);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- S(a);N_GUARD,XP(E)::QAB(C)
- Refutation
- R(c);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- S(a);N_GUARD,XP(E)::QAB(C)
- Refutation
- R(c);
- Try
- Q(C);
- Threat
- QAB1(C)
- Vars
- S(a);N_GUARD,XP(E)::QAB(C)
- Refutation
- R(c);XQ(C)
- Try
- Actual
- B(G);
- Vars
- S(a);N_GUARD,XP(E)::QAB(C)
- R(c);N_GUARD::QAR2(C)
- R(c);N_GUARD,P_PINP(E)::QAR2(C)
- R(c);OGATE::PXR(c)=Q
- R(c);N_GUARD::QAR2(C),XR(c)
- R(c);OGATEB::R(A),XR(c)
- R(c);OGATEB::QAR(C),XR(c)
- R(c);OGATEB::R(B),XR(c)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(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).