MESON Chess Problem Database
Problem Display
PID: 145589 (KQ3nq1/1B1p1r1p/3PP1PR/P4k1n/3B2pP/4R3/4N3/8 w - - 0 1)
Paluzie y Lucena, Jozefo
Good Companions (October), 1917
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Re5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...Sxe6
- 2.Be4#
- 1...Sxg6
- 2.Rxh5#
- 1...dxe6
- 2.Be4#
- 1...Rf6
- Tries
- 1.Bh1?
- threat
- 2.Qb1#
- 2.Qb5#
- 1...Sxe6
- 2.Be4#
- 1...Sxg6
- 2.Rxh5#
- 1...dxe6
- 2.Be4#
- 2.Qb1#
- 1...Qg7
- 2.Qb1#
- 1...Qh8
- 2.Qb1#
- 1...Sg3
- 2.Qb5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...g3!
- threat
- 1.Bf3?
- threat
- 2.Qb1#
- 2.Qb5#
- 1...Sxe6
- 2.Be4#
- 1...Sxg6
- 2.Rxh5#
- 1...dxe6
- 2.Be4#
- 2.Qb1#
- 1...Qg7
- 2.Qb1#
- 1...Qh8
- 2.Qb1#
- 1...Sg3
- 2.Qb5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...gxf3!
- threat
- 1.Ba6?
- threat
- 2.Bd3#
- 2.Qb1#
- 2.Qb5#
- 1...Sxe6
- 2.Bd3#
- 1...Sxg6
- 2.Bd3#
- 2.Rxh5#
- 1...dxe6
- 2.Bd3#
- 2.Qb1#
- 1...Qg7
- 2.Bd3#
- 2.Qb1#
- 1...Qh8
- 2.Bd3#
- 2.Qb1#
- 1...Sg3
- 2.Qb5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...g3!
- threat
- 1.Bc6?
- threat
- 2.Qb1#
- 2.Qb5#
- 1...Sxe6
- 2.Be4#
- 1...Sxg6
- 2.Rxh5#
- 1...dxc6
- 2.Qb1#
- 1...dxe6
- 2.Be4#
- 2.Qb1#
- 1...Qg7
- 2.Qb1#
- 1...Qh8
- 2.Qb1#
- 1...Sg3
- 2.Qb5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...g3!
- threat
- 1.Bc8?
- threat
- 2.Qb1#
- 2.Qb5#
- 1...Sxe6
- 2.Qb1#
- 1...Sxg6
- 2.Rxh5#
- 2.Qb1#
- 1...Qg7
- 2.Qb1#
- 1...Qh8
- 2.Qb1#
- 1...Sg3
- 2.Qb5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...g3!
- threat
- 1.Qc8?
- threat
- 2.Qc2#
- 2.Qc5#
- 1...Sxe6
- 2.Be4#
- 1...Sxg6
- 2.Rxh5#
- 1...dxe6
- 2.Be4#
- 2.Qc2#
- 1...Qg7
- 2.Qc2#
- 1...Qh8
- 2.Qc2#
- 1...Sg3
- 2.Qc5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- 1...g3!
- threat
- 1.Qd8?
- threat
- 2.Re5#
- 2.Qg5#
- 1...Qxg6
- 2.Re5#
- 1...Sxe6
- 2.Be4#
- 2.Re5#
- 1...Sxg6
- 2.Rxh5#
- 1...g3
- 2.Qg5#
- 1...Qg7
- 2.Qg5#
- 1...Qh8
- 2.Qg5#
- 1...Rf6
- 2.Re5#
- 1...Sf6
- 2.Re5#
- 1...Re7!
- threat
- 1.g7?
- threat
- 2.Be4#
- 2.Re5#
- 1...Qxg7
- 2.Be4#
- 1...Sg3
- 2.Re5#
- 1...Rf6
- 2.Re5#
- 1...Sf6
- 2.Re5#
- 1...Sg6
- 2.Rxh5#
- 1...g3!
- threat
- 1.Bh1?
- Keys
- 1.Bg2!
- threat
- 2.Qb1#
- 2.Qb5#
- 1...Sxe6
- 2.Be4#
- 1...Sxg6
- 2.Rxh5#
- 1...dxe6
- 2.Be4#
- 2.Qb1#
- 1...g3
- 2.Bh3#
- 1...Qg7
- 2.Qb1#
- 1...Qh8
- 2.Qb1#
- 1...Sg3
- 2.Qb5#
- 1...Sf4
- 2.Sg3#
- 1...Sf6
- 2.Re5#
- threat
- 1.Bg2!
There are these afters: 145590
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- R(e);SBLOCK::R1(B)
- S(c);N_GUARD,SBLOCK::S(A)
- S(c);SBLOCK::R1(B)
- S(g);P_PINQ(L),SBLOCK,XP(G)::B(J)
- S(g);P_PINQ(L),SBLOCK,XP(H)::R(I),XS(c)
- P(d);SBLOCK,XP(G)::B(J)
- Tries
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- S(g);P_PINQ(L),SBLOCK,XP(G)::B(J)
- S(g);P_PINQ(L),SBLOCK,XP(H)::R(I),XS(c)
- Q(h);::QAB(L)
- S(c);::QAR(L)
- S(c);N_GUARD,SBLOCK::S(A)
- S(c);SBLOCK::R1(B)
- Refutation
- P(a);
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- S(g);P_PINQ(L),SBLOCK,XP(G)::B(J)
- S(g);P_PINQ(L),SBLOCK,XP(H)::R(I),XS(c)
- Q(h);::QAB(L)
- S(c);::QAR(L)
- S(c);N_GUARD,SBLOCK::S(A)
- S(c);SBLOCK::R1(B)
- Refutation
- P(a);XB(J)
- Try
- B(J);
- Threat
- DUALS(3)
- Vars
- S(g);P_PINQ(L),XP(G)::B(J)
- S(c);::QAR(L)
- S(c);N_GUARD,SBLOCK::S(A)
- S(c);SBLOCK::R1(B)
- Refutation
- P(a);
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- S(g);P_PINQ(L),SBLOCK,XP(G)::B(J)
- S(g);P_PINQ(L),SBLOCK,XP(H)::R(I),XS(c)
- P(d);XB(J)::QAB(L)
- Q(h);::QAB(L)
- S(c);::QAR(L)
- S(c);N_GUARD,SBLOCK::S(A)
- S(c);SBLOCK::R1(B)
- Refutation
- P(a);
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- S(g);XP(G)::QAB(L)
- Q(h);::QAB(L)
- S(c);::QAR(L)
- S(c);N_GUARD,SBLOCK::S(A)
- S(c);SBLOCK::R1(B)
- Refutation
- P(a);
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- S(g);P_PINQ(L),SBLOCK,XP(G)::B(J)
- S(g);P_PINQ(L),SBLOCK,XP(H)::R(I),XS(c)
- Q(h);::QAB(L)
- S(c);::QAR(L)
- S(c);N_GUARD,SBLOCK::S(A)
- S(c);SBLOCK::R1(B)
- Refutation
- P(a);
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- Q(h);XP(H)::R1(B)
- S(g);P_PINQ(L),SBLOCK,XP(H)::R(I),XS(c)
- P(a);::QAR1(L)
- Q(h);::QAR1(L)
- R(e);::R1(B)
- S(c);::R1(B)
- Refutation
- R(e);
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- Q(h);XP(H)::B(J)
- S(c);::R1(B)
- R(e);::R1(B)
- S(g);P_PINQ(L),SBLOCK::R(I),XS(c)
- Refutation
- P(a);
- Try
- Actual
- B(J);
- Threat
- DUALS(2)
- Vars
- S(g);P_PINQ(L),SBLOCK,XP(G)::B(J)
- S(g);P_PINQ(L),SBLOCK,XP(H)::R(I),XS(c)
- P(a);OGATEB::B(J)
- Q(h);::QAB(L)
- S(c);::QAR(L)
- S(c);N_GUARD,SBLOCK::S(A)
- S(c);SBLOCK::R1(B)
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).