MESON Chess Problem Database
Problem Display
PID: 110056 (2n5/5Q2/2p3RP/1NB1pb2/1pPPkqR1/5rpr/3nK1BP/7N w - - 0 1)
Valle, Giovanni Batista
Fanfulla da Lodi, 1886-1888
#2
12 + 11
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxh2
- 2.Sxg3#
- 1...Rh4
- 2.Sxg3#
- 1...Rh5
- 2.Sxg3#
- 1...Rxh6
- 2.Sxg3#
- 1...Bxg6
- 2.Qxg6#
- 1...Sb1
- 2.Bxf3#
- 1...Sf1
- 2.Bxf3#
- 1...Sb3
- 2.Bxf3#
- 1...Sxc4
- 2.Bxf3#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...gxh2
- 2.Sf2#
- 1...b3
- 2.Sc3#
- 1...cxb5
- 2.Qd5#
- 2.Qb7#
- 1...Rxh2
- Tries
- 1.Qf6?
- threat
- 2.Qxe5#
- 2.Qxc6#
- 1...Qxg4
- 2.Qxe5#
- 1...Bxg6
- 2.Qxe5#
- 2.Qxg6#
- 1...Sxc4
- 2.Bxf3#
- 2.Qxc6#
- 1...exd4
- 2.Qxd4#
- 1...cxb5
- 2.Qxe5#
- 2.Qc6#
- 1...Be6
- 2.Qxe5#
- 1...Bd7
- 2.Qxe5#
- 1...Sb6
- 2.Sd6#
- 2.Qxe5#
- 1...Sd6
- 2.Sxd6#
- 2.Qxe5#
- 1...Sa7
- 2.Sd6#
- 2.Qxe5#
- 1...Se7
- 2.Sd6#
- 2.Qxe5#
- 1...Bxg4!
- threat
- 1.Qc7?
- threat
- 2.Qxe5#
- 2.Qxc6#
- 1...Qxg4
- 2.Qxe5#
- 1...Bxg6
- 2.Qxe5#
- 1...Sxc4
- 2.Bxf3#
- 2.Qxc6#
- 1...exd4
- 2.Rxf4#
- 2.Qxf4#
- 1...cxb5
- 2.Qxe5#
- 2.Qc6#
- 2.Qb7#
- 1...Be6
- 2.Qxe5#
- 1...Bd7
- 2.Qxe5#
- 1...Sb6
- 2.Sd6#
- 2.Qxe5#
- 1...Sd6
- 2.Sxd6#
- 2.Qxc6#
- 1...Sa7
- 2.Sd6#
- 2.Qxe5#
- 1...Se7
- 2.Sd6#
- 2.Qxe5#
- 1...Bxg4!
- threat
- 1.Qg7?
- threat
- 2.Qxe5#
- 1...Sxc4
- 2.Bxf3#
- 1...exd4
- 2.Qxd4#
- 1...Bxg4!
- threat
- 1.Qf6?
- Keys
- 1.Qh7!
- 1...Qxg4
- 2.Rxg4#
- 1...Rxh2
- 2.Sxg3#
- 1...Rxh6
- 2.Sxg3#
- 1...Bxg4
- 2.Rxg4#
- 1...Bxg6
- 2.Qxg6#
- 1...Sxc4
- 2.Bxf3#
- 1...gxh2
- 2.Sf2#
- 1...exd4
- 2.Re6#
- 1...cxb5
- 2.Qb7#
- 1...Be6
- 2.Rxe6#
- 1...Bd7
- 2.Re6#
- 1...Rh4
- 2.Sxg3#
- 1...Rh5
- 2.Sxg3#
- 1...Sb1
- 2.Bxf3#
- 1...Sf1
- 2.Bxf3#
- 1...Sb3
- 2.Bxf3#
- 1...Sb6
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sa7
- 2.Sd6#
- 1...Se7
- 2.Sd6#
- 1...b3
- 2.Sc3#
- 1...Qxg4
- 1.Qh7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD,P_PINB(C),XP(D)::S(A),XP(c)
- R(d);N_GUARD::S(A),XP(c)
- R(d);N_GUARD,XP(K)::S(A),XP(c)
- B(i);OGATE,XR(J)::QAB(L),XB(i)
- S(a);N_GUARD::B(C),XR(b)
- S(a);N_GUARD,XP(E)::B(C),XR(b)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(c);N_GUARD,XP(D)::S(A)
- P(e);N_GUARD::S(H)
- Tries
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- Q(g);N_SPINQ(g),XR(G)::QAR1(L),XP(h)
- P(h);OGATE,XP(F)::QAR1(L),XP(h)
- B(i);::QAR1(L),XP(h)
- Refutation
- B(i);N_SPINQ(g),XR(G)
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- Q(g);N_SPINQ(g),XR(G)::QAR1(L),XP(h)
- B(i);XR(J)::QAR1(L),XP(h)
- B(i);::QAR1(L),XP(h)
- Refutation
- B(i);N_SPINQ(g),XR(G)
- Try
- Q(L);
- Threat
- QAR1(L),XP(h)
- Vars
- S(a);N_GUARD,XP(E)::B(C),XR(b)
- P(h);OGATE,XP(F)::QAR1(L),XP(h)
- Refutation
- B(i);N_SPINQ(g),XR(G)
- Try
- Actual
- Q(L);
- Vars
- Q(g);N_SPINQ(g),OGATE,XR(G)::R(J),XQ(g)
- R(d);N_GUARD,P_PINB(C),XP(D)::S(A),XP(c)
- R(d);N_GUARD,XP(K)::S(A),XP(c)
- B(i);N_SPINQ(g),OGATE,XR(G)::QAB(L)+R(J),XB(i)
- B(i);OGATE,P_SPINB(i),XR(J)::QAB(L),XB(i)
- S(a);N_GUARD,XP(E)::B(C),XR(b)
- P(c);N_GUARD,XP(D)::S(A)
- P(h);OGATEB,XP(F)::R(J)
- P(j);OGATEB,XS(H)::QAB(L)
- B(i);OGATEB::QAB(L)+R(J),XB(i)
- B(i);OGATEB::QAB(L)+R(J)
- R(d);N_GUARD::S(A),XP(c)
- S(a);N_GUARD::B(C),XR(b)
- S(k);N_GUARD::S(H)
- S(k);N_GUARD::S(H),XS(k)
- P(e);N_GUARD::S(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).