MESON Chess Problem Database
Problem Display
PID: 147220 (4N3/3pRB2/5P1r/3P1k2/3b1P2/2p4n/2K1NPR1/8 w - - 0 1)
Piatesi, Antonio
Canadian Chess Chat, 1983
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Rh4
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rxf6
- 2.Sg7#
- 1...Rg6
- 2.Bxg6#
- 1...Rh7
- 2.Bg6#
- 1...Rh8
- 2.Bg6#
- 1...Bxf2
- 2.Re5#
- 1...Be3
- 2.Re5#
- 1...Bc5
- 2.Re5#
- 1...Be5
- 2.Rxe5#
- 1...Bb6
- 2.Re5#
- 1...Bxf6
- 2.Sd6#
- 1...Ba7
- 2.Re5#
- 1...Sg1
- 2.Rg5#
- 1...Sxf2
- 2.Rg5#
- 1...Sxf4
- 2.Sxd4#
- 1...Sg5
- 2.Rxg5#
- 1...Rh4
- Tries
- 1.Rg3?
- 1...Rxf6
- 2.Sg7#
- 1...Bxf2
- 2.Re5#
- 1...Bxf6
- 2.Sd6#
- 1...Sxf2
- 2.Rg5#
- 1...Sxf4
- 2.Sxd4#
- 1...Be5
- 2.Rxe5#
- 1...Rh4
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 1...Rh7
- 2.Bg6#
- 1...Rh8
- 2.Bg6#
- 1...Be3
- 2.Re5#
- 1...Bc5
- 2.Re5#
- 1...Bb6
- 2.Re5#
- 1...Ba7
- 2.Re5#
- 1...Sg1
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...d6!
- 1...Rxf6
- 1.Rg6?
- threat
- 2.Sd6#
- 2.Sg7#
- 1...Bxf6
- 2.Sd6#
- 1...Be5
- 2.Rxe5#
- 1...Sg5
- 2.Rxg5#
- 1...d6
- 2.Sxd6#
- 2.Sg7#
- 1...Rh7
- 2.Sd6#
- 1...Bc5
- 2.Sg7#
- 2.Re5#
- 1...Rxg6!
- threat
- 1.Re3?
- 1...Rxf6
- 2.Sg7#
- 1...Bxf6
- 2.Sd6#
- 1...Sxf2
- 2.Rg5#
- 1...Sxf4
- 2.Sxd4#
- 1...d6
- 2.Be6#
- 1...Rh4
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 1...Rh7
- 2.Bg6#
- 1...Rh8
- 2.Bg6#
- 1...Bc5
- 2.Re5#
- 1...Be5
- 2.Rxe5#
- 1...Bb6
- 2.Re5#
- 1...Ba7
- 2.Re5#
- 1...Sg1
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Bxe3!
- 1...Rxf6
- 1.Re6?
- threat
- 2.Sd6#
- 2.Sg7#
- 1...Bxf6
- 2.Sd6#
- 1...Be5
- 2.Rxe5#
- 1...d6
- 2.Sxd6#
- 2.Sg7#
- 1...Rg6
- 2.Sd6#
- 2.Bxg6#
- 1...Rh7
- 2.Sd6#
- 2.Bg6#
- 1...Bc5
- 2.Sg7#
- 2.Re5#
- 1...dxe6!
- threat
- 1.d6?
- 1...Rxf6
- 2.Sg7#
- 1...Bxf2
- 2.Re5#
- 1...Sxf2
- 2.Rg5#
- 1...Sxf4
- 2.Sxd4#
- 1...Be5
- 2.Rxe5#
- 1...Rh4
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 1...Rh7
- 2.Bg6#
- 1...Rh8
- 2.Bg6#
- 1...Be3
- 2.Re5#
- 1...Bc5
- 2.Re5#
- 1...Bb6
- 2.Re5#
- 1...Ba7
- 2.Re5#
- 1...Sg1
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Bxf6!
- 1...Rxf6
- 1.Rg3?
- Keys
- 1.f3!
- 1...Rxf6
- 2.Sg7#
- 1...Bxf6
- 2.Sd6#
- 1...Sxf4
- 2.Sxd4#
- 1...d6
- 2.Be6#
- 1...Rh4
- 2.Bg6#
- 1...Rh5
- 2.Bg6#
- 1...Rg6
- 2.Bxg6#
- 1...Rh7
- 2.Bg6#
- 1...Rh8
- 2.Bg6#
- 1...Bg1
- 2.Re5#
- 1...Bf2
- 2.Re5#
- 1...Be3
- 2.Re5#
- 1...Bc5
- 2.Re5#
- 1...Be5
- 2.Rxe5#
- 1...Bb6
- 2.Re5#
- 1...Ba7
- 2.Re5#
- 1...Sg1
- 2.Rg5#
- 1...Sf2
- 2.Rg5#
- 1...Sg5
- 2.Rxg5#
- 1...Rxf6
- 1.f3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::B(I)
- R(e);SBLOCK,XP(G)::S(J)
- R(e);N_GUARD::B(I),XR(e)
- B(c);N_GUARD,XP(C)::R1(H)
- B(c);N_GUARD::R1(H)
- B(c);N_GUARD::R1(H),XB(c)
- B(c);SBLOCK,XP(G)::S(J)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD,XP(C)::R1(D)
- S(b);SBLOCK,XP(E)::S(B),XB(c)
- S(b);N_GUARD::R1(D),XS(b)
- Tries
- Try
- R(D);
- Vars
- R(e);SBLOCK,XP(G)::S(J)
- B(c);N_GUARD,XP(C)::R1(H)
- B(c);SBLOCK,XP(G)::S(J)
- S(b);N_GUARD,XP(C)::R1(D)
- S(b);SBLOCK,XP(E)::S(B),XB(c)
- B(c);N_GUARD::R1(H),XB(c)
- R(e);N_GUARD::B(I)
- R(e);N_GUARD::B(I),XR(e)
- B(c);N_GUARD::R1(H)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- P(f);
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- B(c);XP(G)::S(J)
- B(c);N_GUARD::R1(H),XB(c)
- S(b);N_GUARD::R1(D),XS(b)
- R(e);::S(J)
- Refutation
- R(e);XR(D)
- Try
- R(H);
- Vars
- R(e);SBLOCK,XP(G)::S(J)
- B(c);SBLOCK,XP(G)::S(J)
- S(b);N_GUARD,XP(C)::R1(D)
- S(b);SBLOCK,XP(E)::S(B),XB(c)
- P(f);N_GUARD::B(I)
- R(e);N_GUARD::B(I)
- R(e);N_GUARD::B(I),XR(e)
- B(c);N_GUARD::R1(H)
- B(c);N_GUARD::R1(H),XB(c)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- B(c);XR(H)
- Try
- R(H);
- Threat
- DUALS(2)
- Vars
- B(c);XP(G)::S(J)
- B(c);N_GUARD::R1(H),XB(c)
- Refutation
- P(f);XR(H)
- Try
- P(F);
- Vars
- R(e);SBLOCK,XP(G)::S(J)
- B(c);N_GUARD,XP(C)::R1(H)
- S(b);N_GUARD,XP(C)::R1(D)
- S(b);SBLOCK,XP(E)::S(B),XB(c)
- B(c);N_GUARD::R1(H),XB(c)
- R(e);N_GUARD::B(I)
- R(e);N_GUARD::B(I),XR(e)
- B(c);N_GUARD::R1(H)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(b)
- Refutation
- B(c);XP(G)
- Try
- Actual
- P(C);
- Vars
- R(e);SBLOCK,XP(G)::S(J)
- B(c);SBLOCK,XP(G)::S(J)
- S(b);SBLOCK,XP(E)::S(B),XB(c)
- P(f);N_GUARD::B(I)
- R(e);N_GUARD::B(I)
- R(e);N_GUARD::B(I),XR(e)
- B(c);N_GUARD::R1(H)
- B(c);N_GUARD::R1(H),XB(c)
- S(b);N_GUARD::R1(D)
- S(b);N_GUARD::R1(D),XS(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).