MESON Chess Problem Database
Problem Display
PID: 52128 (8/1rp2P2/bp2Qpqb/1p4B1/3kN3/1KRNp3/1PPr4/1n6 w - - 0 1)
Juricek, Stanislav
Probleemblad, 2004
(First published on Thu Jan 1 2004)
#2
9 + 12
SOLUTION
- SOUND
- Sets
- 1...Qh7
- 2.Bxf6#
- 1...Qg8
- 2.Bxf6#
- 1...Rxd3
- 2.Rxd3#
- 1...Sxc3
- 2.bxc3#
- 1...fxg5
- 2.Qe5#
- 1...f5
- 2.Qe5#
- 1...Qh7
- Tries
- 1.Sb4?
- threat
- 2.Sc6#
- 2.Qd5#
- 1...Qxf7
- 2.Sc6#
- 1...Qxg5
- 2.Sc6#
- 1...Sxc3
- 2.Sc6#
- 2.bxc3#
- 1...Qf5
- 2.Sc6#
- 1...c6
- 2.Sxc6#
- 1...Qxe4!
- threat
- 1.Sxf6?
- threat
- 2.Qd5#
- 2.Qd7#
- 2.Qxe3#
- 2.Qe5#
- 1...Qxd3
- 2.Qd5#
- 1...Qxg5
- 2.Qe4#
- 1...Qxf6
- 2.Bxf6#
- 1...Rxd3
- 2.Qd5#
- 1...Bxg5
- 2.Qd5#
- 2.Qd7#
- 2.Qe5#
- 1...Sxc3
- 2.Qxe3#
- 2.Qe5#
- 2.bxc3#
- 1...Qe4
- 2.Qxe4#
- 1...Qf5
- 2.Qxe3#
- 1...Re2
- 2.Qd5#
- 2.Qd7#
- 2.Qe5#
- 1...Bf8
- 2.Bxe3#
- 2.Qd5#
- 2.Qxe3#
- 2.Qe5#
- 1...e2
- 2.Qd5#
- 2.Qd7#
- 2.Qe3#
- 2.Qe5#
- 1...c5
- 2.Qd5#
- 2.Qxe3#
- 2.Qe5#
- 2.Qd6#
- 1...c6
- 2.Qxe3#
- 2.Qe5#
- 2.Qd6#
- 1...Qxf7!
- threat
- 1.f8Q?
- threat
- 2.Qb4#
- 2.Qd8#
- 1...Qxe4
- 2.Qb4#
- 1...Qxg5
- 2.Qb4#
- 1...Sxc3
- 2.Qb4#
- 2.bxc3#
- 1...Qf5
- 2.Qb4#
- 1...Qf7
- 2.Qb4#
- 1...Qh7
- 2.Bxf6#
- 2.Qb4#
- 2.Qfxf6#
- 1...Qe8
- 2.Bxf6#
- 2.Qb4#
- 2.Qfxf6#
- 1...Qg7
- 2.Qb4#
- 1...Qg8
- 2.Bxf6#
- 2.Qb4#
- 2.Qxf6#
- 1...Rb8
- 2.Qb4#
- 1...Sa3
- 2.Qd8#
- 1...b4
- 2.Qd8#
- 1...c5
- 2.Qfd6#
- 1...c6
- 2.Qb4#
- 2.Qfd6#
- 1...Bxf8!
- threat
- 1.Sb4?
- Keys
- 1.Sg3!
- threat
- 2.Qd7#
- 1...Qxd3
- 2.Bxf6#
- 1...Qxf7
- 2.Sf5#
- 1...Qxg5
- 2.Qe4#
- 1...Rxd3
- 2.Se2#
- 1...Sxc3
- 2.bxc3#
- 1...fxg5
- 2.Qe5#
- 1...Qe4
- 2.Qxe4#
- 1...Qf5
- 2.Sxf5#
- 1...Bf8
- 2.Bxe3#
- 1...f5
- 2.Qe5#
- 1...c5
- 2.Qd6#
- 1...c6
- 2.Qd6#
- threat
- 1.Sg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 8
- REMOVED MATES = 2
- Sets
- Q(i);N_GUARD::B(G),XP(h)
- R(b);OGATE,P_PINR(D),XS(E)::R1(D),XR(b)
- S(a);OGATE,XR(D)::P(A),XS(a)
- P(h);N_GUARD,XB(G)::QAB1(H)
- P(h);N_GUARD::QAB1(H)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(i);P_PINQ(H),XP(I)::S(E)
- Q(i);XB(G)::S(E)
- Q(i);::S(E)
- P(l);::S(E),XP(l)
- Refutation
- Q(i);XS(F)
- Try
- S(F);XP(h)
- Threat
- DUALS(4)
- Vars
- Q(i);P_PINR(D),XS(E)::QAR1(H)
- Q(i);N_GUARD,XB(G)::QAR1(H)
- Q(i);OGATE,XS(F)::B(G),XQ(i)
- R(b);P_PINR(D),XS(E)::QAR1(H)
- Q(i);N_GUARD::QAR1(H),XQ(i)
- Q(i);::QAB1(H),XP(c)
- Refutation
- Q(i);P_PINQ(H),XP(I)
- Try
- P(I);
- Threat
- DUALS(2)
- Vars
- Q(i);XS(F)::QAR2(I)
- Q(i);XB(G)::QAR2(I)
- Q(i);::QAR2(I)
- Q(i);P_PINQ(H)::QAR2(I)
- R(k);::QAR2(I)
- S(a);::QAR(I)
- P(e);::QAR(I)
- P(l);N_GUARD::QAR2(I)
- Refutation
- B(j);XQ(I)
- Try
- Actual
- S(F);
- Threat
- QAR(H)
- Vars
- Q(i);N_GUARD,P_PINR(D),XS(E)::B(G),XP(h)
- Q(i);N_GUARD,P_PINQ(H),XP(I)::S(F)
- Q(i);N_GUARD,XB(G)::QAR1(H)
- R(b);N_GUARD,P_PINR(D),XS(E)::S(F)
- S(a);OGATE,XR(D)::P(A),XS(a)
- P(h);N_GUARD,XB(G)::QAB1(H)
- Q(i);N_GUARD::QAR1(H),XQ(i)
- Q(i);N_GUARD::S(F),XQ(i)
- B(j);N_GUARD::B(G),XP(c)
- P(h);N_GUARD::QAB1(H)
- P(l);N_GUARD::QAR2(H)
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).