MESON Chess Problem Database
Problem Display
PID: 230645 (8/nP4B1/N4p2/4p3/RppkPP1n/3p1PN1/1PP1RK2/8 w - - 0 1)
Uris, Miguel
Problemas, 2021
#2
12 + 8
SOLUTION
- SOUND
- Sets
- 1...Sg2
- 2.Sf5#
- 1...Sxf3
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...dxc2
- 2.Rd2#
- 1...dxe2
- 2.Sxe2#
- 1...d2
- 2.Rxd2#
- 1...b3
- 2.c3#
- 1...c3
- 2.Rxb4#
- 1...exf4
- 2.Bxf6#
- 1...f5
- 2.Bxe5#
- 1...Sg2
- Tries
- 1.Bxf6?
- threat
- 2.Bxe5#
- 1...Sxf3
- 2.Sf5#
- 1...dxc2
- 2.Rd2#
- 1...c3
- 2.Rxb4#
- 1...Sg6
- 2.Sf5#
- 1...Sc6!
- threat
- 1.Bf8?
- threat
- 2.Bc5#
- 1...dxc2
- 2.Rd2#
- 1...c3
- 2.Rxb4#
- 1...exf4!
- threat
- 1.Rd2?
- threat
- 2.Se2#
- 1...exf4
- 2.Bxf6#
- 1...c3
- 2.Rxb4#
- 1...Sxf3!
- threat
- 1.Rxb4?
- threat
- 2.c3#
- 1...dxc2
- 2.Rd2#
- 1...dxe2
- 2.Sxe2#
- 1...exf4
- 2.Bxf6#
- 1...d2
- 2.Rxd2#
- 1...Sb5!
- threat
- 1.b8Q?
- threat
- 2.Qd6#
- 2.Qxa7#
- 2.Qb6#
- 2.Qd8#
- 1...dxc2
- 2.Rd2#
- 2.Qd6#
- 2.Qd8#
- 1...exf4
- 2.Bxf6#
- 2.Qd6#
- 1...c3
- 2.Rxb4#
- 2.Qxb4#
- 1...Sc6
- 2.Qd6#
- 2.Qb6#
- 1...Sf5
- 2.Sxf5#
- 2.Qxa7#
- 2.Qb6#
- 1...Sb5
- 2.Qb6#
- 1...Sc8!
- threat
- 1.Bxf6?
- Keys
- 1.b8S!
- 1...Sxf3
- 2.Sf5#
- 1...dxc2
- 2.Rd2#
- 1...dxe2
- 2.Sxe2#
- 1...exf4
- 2.Bxf6#
- 1...c3
- 2.Rxb4#
- 1...Sc6
- 2.Sxc6#
- 1...Sg2
- 2.Sf5#
- 1...Sf5
- 2.Sxf5#
- 1...Sg6
- 2.Sf5#
- 1...Sb5
- 2.Sc6#
- 1...Sc8
- 2.Sc6#
- 1...d2
- 2.Rxd2#
- 1...b3
- 2.c3#
- 1...f5
- 2.Bxe5#
- 1...Sxf3
- 1.b8S!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- S(e);N_GUARD::S(F)
- S(e);N_GUARD,XP(E)::S(F)
- S(e);N_GUARD::S(F),XS(e)
- P(a);OGATEB,XP(B)::R(C)
- P(a);XR(C)::S(F),XP(a)
- P(a);OGATEB::R(C),XP(a)
- P(b);N_GUARD,P_SPINP(c)::P(B)
- P(c);OGATEB,P_SPINP(b)::R(G),XP(b)
- P(f);OGATEB,P_SPINP(g),XP(I)::B(L),XP(g)
- P(g);OGATE,P_SPINP(f)::B(L),XP(f)
- Tries
- Try
- B(L);P_PINP(f),XP(g)
- Threat
- B(L),XP(f)
- Vars
- S(e);N_GUARD,XP(E)::S(F)
- P(a);OGATEB,XP(B)::R(C)
- P(c);N_SPINP(f),OGATEB,P_SPINP(b)::R(G),XP(b)
- S(e);N_GUARD::S(F)
- Refutation
- S(h);
- Try
- B(L);
- Threat
- B(L)
- Vars
- P(a);OGATEB,XP(B)::R(C)
- P(c);OGATEB,P_SPINP(b)::R(G),XP(b)
- Refutation
- P(f);XP(I)
- Try
- R(C);P_PINP(a)
- Threat
- S(F)
- Vars
- P(f);OGATEB,XP(I)::B(L),XP(g)
- P(c);OGATEB::R(G),XP(b)
- Refutation
- S(e);XP(E)
- Try
- R(G);P_PINP(c),XP(b)
- Threat
- P(B)
- Vars
- P(a);OGATEB,XP(B)::R(C)
- P(a);XR(C)::S(F),XP(a)
- P(f);OGATEB,XP(I)::B(L),XP(g)
- P(a);OGATEB::R(C),XP(a)
- Refutation
- S(h);
- Try
- P(K);
- Threat
- DUALS(4)
- Vars
- S(h);::QAB(K)
- Refutation
- S(h);
- Try
- Actual
- P(K);
- Vars
- S(e);N_GUARD,XP(E)::S(F)
- P(a);OGATEB,XP(B)::R(C)
- P(a);XR(C)::S(F),XP(a)
- P(f);OGATEB,P_SPINP(g),XP(I)::B(L),XP(g)
- P(c);OGATEB,P_SPINP(b)::R(G),XP(b)
- S(h);N_GUARD::S(K),XS(h)
- S(e);N_GUARD::S(F)
- S(e);N_GUARD::S(F),XS(e)
- S(h);N_GUARD::S(K)
- P(a);OGATEB::R(C),XP(a)
- P(b);N_GUARD,P_SPINP(c)::P(B)
- P(g);OGATE,P_SPINP(f)::B(L),XP(f)
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).