MESON Chess Problem Database
Problem Display
PID: 275120 (rR1KRrbQ/P2B1Pp1/pp1k1p2/3p2p1/2PP1p2/N7/2nBPN2/8 w - - 0 1)
Armeni, Alberto
Garzon-60 JT (Problemas), 2023
#2
13 + 12
SOLUTION
- SOUND
- Sets
- 1...Rxa7
- 2.Rxb6#
- 1...Rxb8+
- 2.axb8Q#
- 2.axb8B#
- 1...Rxf7
- 2.Re6#
- 1...Rxe8+
- 2.fxe8S#
- 1...Bxf7
- 2.Qxf8#
- 1...Bh7
- 2.Qxf8#
- 1...Sa1
- 2.Bb4#
- 1...Se1
- 2.Bb4#
- 1...Sxa3
- 2.Bb4#
- 1...Se3
- 2.Bb4#
- 1...Sb4
- 2.Bxb4#
- 1...Sxd4
- 2.Bb4#
- 1...f3
- 2.Qh2#
- 1...g4
- 2.Bxf4#
- 1...a5
- 2.Sb5#
- 1...b5
- 2.c5#
- 1...g6
- 2.Qxf6#
- 1...Rxa7
- Tries
- 1.Qxg7?
- threat
- 2.Qxf6#
- 2.Qxf8#
- 1...Rxb8+
- 2.axb8Q#
- 2.axb8B#
- 1...Rxe8+
- 2.fxe8S#
- 1...Rxf7
- 2.Re6#
- 1...Bxf7
- 2.Qxf8#
- 1...Sxd4
- 2.Bb4#
- 2.Qxf8#
- 1...f5
- 2.Qe5#
- 2.Qf6#
- 2.Qh6#
- 2.Qxf8#
- 2.Qg6#
- 1...dxc4!
- threat
- 1.Qh1?
- threat
- 2.Qxd5#
- 1...Rxb8+
- 2.axb8Q#
- 2.axb8B#
- 1...Rxe8+
- 2.fxe8S#
- 1...dxc4
- 2.Sxc4#
- 2.Qc6#
- 1...Se3
- 2.Bb4#
- 1...Sb4
- 2.Bxb4#
- 1...f3
- 2.Qh2#
- 1...Bxf7!
- threat
- 1.Qxg7?
- Keys
- 1.e4!
- 1...Rxb8+
- 2.axb8Q#
- 2.axb8B#
- 1...Rxe8+
- 2.fxe8S#
- 1...Rxa7
- 2.Rxb6#
- 1...Rxf7
- 2.Re6#
- 1...Bxf7
- 2.Qxf8#
- 1...Sxa3
- 2.Bb4#
- 1...Sxd4
- 2.Bb4#
- 1...dxc4
- 2.Sxc4#
- 1...dxe4
- 2.Sxe4#
- 1...fxe4 ep
- 2.Qh2#
- 1...f5
- 2.e5#
- 1...Bh7
- 2.Qxf8#
- 1...Sa1
- 2.Bb4#
- 1...Se1
- 2.Bb4#
- 1...Se3
- 2.Bb4#
- 1...Sb4
- 2.Bxb4#
- 1...f3
- 2.Qh2#
- 1...g4
- 2.Bxf4#
- 1...a5
- 2.Sb5#
- 1...b5
- 2.c5#
- 1...g6
- 2.Qxf6#
- 1...Rxb8+
- 1.e4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(j);N_PINR(J),P_PINR(L),XP(G)::R(J),XP(f)
- R(j);CHECK,OGATE,P_PINR(L),XR(J)::PXR(j)=Q
- R(k);OGATE,XP(I)::R1(L)
- R(k);CHECK,OGATE,XR(L)::PXR(k)=S
- B(l);OGATE,XP(I)::QAB(M),XR(k)
- B(l);OGATE::QAB(M),XR(k)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD,XS(D)::B(A)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD,XP(F)::B(A)
- P(b);OGATEB::QAB(M)
- P(d);N_GUARD::B(A),XP(b)
- P(e);N_GUARD::S(D)
- P(f);N_GUARD::P(E)
- P(i);OGATE::QAR2(M),XP(h)
- Tries
- Try
- Q(M);XP(i)
- Threat
- DUALS(2)
- Vars
- R(j);CHECK,OGATE,P_PINR(L),XR(J)::PXR(j)=Q
- R(k);CHECK,OGATE,XR(L)::PXR(k)=S
- R(k);OGATE,XP(I)::R1(L)
- B(l);XP(I)::QAB(M),XR(k)
- Refutation
- P(c);XP(E)
- Try
- Q(M);
- Threat
- QAR1(M),XP(c)
- Vars
- R(j);CHECK,OGATE,P_PINR(L),XR(J)::PXR(j)=Q
- R(k);CHECK,OGATE,XR(L)::PXR(k)=S
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- P(b);OGATEB::QAB(M)
- Refutation
- B(l);XP(I)
- Try
- Actual
- P(B);
- Vars
- R(j);CHECK,OGATE,P_PINR(L),XR(J)::PXR(j)=Q
- R(k);CHECK,OGATE,XR(L)::PXR(k)=S
- R(j);N_PINR(J),P_PINR(L),XP(G)::R(J),XP(f)
- R(k);OGATE,XP(I)::R1(L)
- B(l);OGATE,XP(I)::QAB(M),XR(k)
- S(a);N_GUARD,XS(D)::B(A)
- S(a);N_GUARD,XP(F)::B(A)
- P(c);XP(E)::S(D),XP(c)
- P(c);XP(B)::S(C),XP(c)
- P(b);EP,OGATEB,XP(B)::QAB(M)
- P(h);N_GUARD::P(B)
- B(l);OGATE::QAB(M),XR(k)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- P(b);OGATEB::QAB(M)
- P(d);N_GUARD::B(A),XP(b)
- P(e);N_GUARD::S(D)
- P(f);N_GUARD::P(E)
- P(i);OGATE::QAR2(M),XP(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).