MESON Chess Problem Database
Problem Display
PID: 69558 (3N3n/1p6/5bR1/1nP1k1p1/4p1K1/1BP5/5P1R/B7 w - - 0 1)
Parent, J
Het Belgisch Schaakbord (L'Echiquier Belge), 1957
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Re6#
- 1...Bxd8
- 2.Re6#
- 1...Sa3
- 2.c4#
- 1...Sxc3
- 2.Bxc3#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.c4#
- 1...Sa7
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Sxg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...b6
- 2.Sc6#
- 1...Be7
- Tries
- 1.Bb2?
- 1...Bxd8
- 2.Re6#
- 1...Sxc3
- 2.Bxc3#
- 1...Sxg6
- 2.Sf7#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Re6#
- 1...Sa3
- 2.c4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.c4#
- 1...Sa7
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Sf7
- 2.Sxf7#
- 1...b6
- 2.Sc6#
- 1...e3!
- 1...Bxd8
- 1.Ba2?
- 1...Bxd8
- 2.Re6#
- 1...Sxc3
- 2.Bxc3#
- 1...Sxg6
- 2.Sf7#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Re6#
- 1...Sa3
- 2.c4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.c4#
- 1...Sa7
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Sf7
- 2.Sxf7#
- 1...b6
- 2.Sc6#
- 1...e3!
- 1...Bxd8
- 1.Rh1?
- 1...Bxd8
- 2.Re6#
- 1...Sxc3
- 2.Bxc3#
- 1...Sxg6
- 2.Sf7#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Re6#
- 1...Sa3
- 2.c4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.c4#
- 1...Sa7
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Sf7
- 2.Sxf7#
- 1...b6
- 2.Sc6#
- 1...e3!
- 1...Bxd8
- 1.Rg2?
- 1...Bxd8
- 2.Re6#
- 1...Sxc3
- 2.Bxc3#
- 1...Sxg6
- 2.Sf7#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Re6#
- 1...Sa3
- 2.c4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.c4#
- 1...Sa7
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Sf7
- 2.Sxf7#
- 1...b6
- 2.Sc6#
- 1...e3!
- 1...Bxd8
- 1.Rh5?
- 1...Bxd8
- 2.Re6#
- 1...Sxc3
- 2.Bxc3#
- 1...Sxg6
- 2.Sf7#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Rhxg5#
- 2.Re6#
- 1...Sa3
- 2.c4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.c4#
- 1...Sa7
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Sf7
- 2.Sxf7#
- 1...b6
- 2.Sc6#
- 1...e3!
- 1...Bxd8
- 1.Rhh6?
- 1...Bxd8
- 2.Re6#
- 1...Sxc3
- 2.Bxc3#
- 1...Sxg6
- 2.Sf7#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Rxg5#
- 2.Re6#
- 1...Sa3
- 2.c4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.c4#
- 1...Sa7
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Sf7
- 2.Sxf7#
- 1...b6
- 2.Sc6#
- 1...e3!
- 1...Bxd8
- 1.Rh7?
- 1...Bxd8
- 2.Re6#
- 1...Sxc3
- 2.Bxc3#
- 1...Sxg6
- 2.Sf7#
- 1...Be7
- 2.Re6#
- 2.Rxe7#
- 1...Bg7
- 2.Re6#
- 1...Sa3
- 2.c4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.c4#
- 1...Sa7
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Sf7
- 2.Sxf7#
- 1...b6
- 2.Sc6#
- 1...e3!
- 1...Bxd8
- 1.Rxh8?
- threat
- 2.Sf7#
- 1...Bxd8
- 2.Re6#
- 1...Sxc3
- 2.Bxc3#
- 1...Sd6
- 2.c4#
- 1...e3!
- threat
- 1.Rgh6?
- 1...Bxd8
- 2.Re6#
- 1...Sxc3
- 2.Bxc3#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Re6#
- 1...Sa3
- 2.c4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.c4#
- 1...Sa7
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Sg6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...b6
- 2.Sc6#
- 1...e3!
- 1...Bxd8
- 1.c4+?
- 1...Sc3
- 2.Bxc3#
- 1...Sd4!
- 1...Sc3
- 1.Bb2?
- Keys
- 1.Rh3!
- 1...Bxd8
- 2.Re6#
- 1...Sxc3
- 2.Bxc3#
- 1...Sxg6
- 2.Sf7#
- 1...e3
- 2.Rxe3#
- 1...Be7
- 2.Re6#
- 1...Bg7
- 2.Re6#
- 1...Sa3
- 2.c4#
- 1...Sd4
- 2.cxd4#
- 1...Sd6
- 2.c4#
- 1...Sa7
- 2.c4#
- 1...Sc7
- 2.c4#
- 1...Sf7
- 2.Sxf7#
- 1...b6
- 2.Sc6#
- 1...Bxd8
- 1.Rh3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(e);OGATE::R1(H)
- B(e);OGATE,XS(I)::R1(H)
- S(b);N_GUARD::B(A)+P(E)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- S(b);OGATE::P(E),XS(b)
- S(g);N_GUARD,XR(H)::S(I)
- S(g);N_GUARD::S(I),XS(g)
- P(f);N_GUARD::S(I)
- Tries
- Try
- B(A);
- Vars
- B(e);OGATE,XS(I)::R1(H)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- S(g);N_GUARD,XR(H)::S(I)
- B(e);OGATE::R1(H)
- S(b);N_GUARD::B(A)+P(E)
- S(b);OGATE::P(E),XS(b)
- S(g);N_GUARD::S(I),XS(g)
- P(f);N_GUARD::S(I)
- Refutation
- P(a);
- Try
- B(D);
- Vars
- B(e);OGATE,XS(I)::R1(H)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- S(g);N_GUARD,XR(H)::S(I)
- B(e);OGATE::R1(H)
- S(b);N_GUARD::B(A)+P(E)
- S(b);OGATE::P(E),XS(b)
- S(g);N_GUARD::S(I),XS(g)
- P(f);N_GUARD::S(I)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- B(e);OGATE,XS(I)::R1(H)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- S(g);N_GUARD,XR(H)::S(I)
- B(e);OGATE::R1(H)
- S(b);N_GUARD::B(A)+P(E)
- S(b);OGATE::P(E),XS(b)
- S(g);N_GUARD::S(I),XS(g)
- P(f);N_GUARD::S(I)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- B(e);OGATE,XS(I)::R1(H)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- S(g);N_GUARD,XR(H)::S(I)
- B(e);OGATE::R1(H)
- S(b);N_GUARD::B(A)+P(E)
- S(b);OGATE::P(E),XS(b)
- S(g);N_GUARD::S(I),XS(g)
- P(f);N_GUARD::S(I)
- Refutation
- P(a);
- Try
- R(C);P_PINP(d)
- Vars
- B(e);OGATE,XS(I)::R1(H)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- S(g);N_GUARD,XR(H)::S(I)
- B(e);OGATE::R1(H)
- S(b);N_GUARD::B(A)+P(E)
- S(b);OGATE::P(E),XS(b)
- S(g);N_GUARD::S(I),XS(g)
- P(f);N_GUARD::S(I)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- B(e);OGATE,XS(I)::R1(H)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- S(g);N_GUARD,XR(H)::S(I)
- B(e);OGATE::R1(H)
- S(b);N_GUARD::B(A)+P(E)
- S(b);OGATE::P(E),XS(b)
- S(g);N_GUARD::S(I),XS(g)
- P(f);N_GUARD::S(I)
- Refutation
- P(a);
- Try
- R(C);
- Vars
- B(e);OGATE,XS(I)::R1(H)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- S(g);N_GUARD,XR(H)::S(I)
- B(e);OGATE::R1(H)
- S(b);N_GUARD::B(A)+P(E)
- S(b);OGATE::P(E),XS(b)
- S(g);N_GUARD::S(I),XS(g)
- P(f);N_GUARD::S(I)
- Refutation
- P(a);
- Try
- R(C);XS(g)
- Threat
- S(I)
- Vars
- B(e);OGATE,XS(I)::R1(H)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- S(b);N_GUARD::B(A)+P(E)
- Refutation
- P(a);
- Try
- R(H);
- Vars
- B(e);OGATE,XS(I)::R1(H)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- B(e);OGATE::R1(H)
- S(b);N_GUARD::B(A)+P(E)
- S(b);OGATE::P(E),XS(b)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- P(f);N_GUARD::S(I)
- Refutation
- P(a);
- Try
- P(E);CHECK
- Vars
- S(b);N_GUARD,P_SPINS(b)::B(A),XS(b)
- Refutation
- S(b);P_SPINS(b)
- Try
- Actual
- R(C);
- Vars
- B(e);OGATE,XS(I)::R1(H)
- S(b);OGATE,P_SPINS(b),XP(E)::B(A),XS(b)
- S(g);N_GUARD,XR(H)::S(I)
- P(a);OGATEB::R(C),XP(a)
- B(e);OGATE::R1(H)
- S(b);N_GUARD::B(A)+P(E)
- S(b);OGATE::P(E),XS(b)
- S(g);N_GUARD::S(I),XS(g)
- P(f);N_GUARD::S(I)
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).