MESON Chess Problem Database
Problem Display
PID: 261501 (4N3/1n1Pr1B1/R7/3p1p2/B3k3/3pPp2/n7/3N1Q1K w - - 0 1)
Vollenweider, Odette (aka Baumgartner, Gabriel)
Neue Zurcher Zeitung, 1966
#2
9 + 8
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Re5
- 2.Sf6#
- 1...Re6
- 2.Rxe6#
- 1...Rxd7
- 2.Re6#
- 1...Rf7
- 2.Re6#
- 1...Rxg7
- 2.Re6#
- 1...Rxe8
- 2.dxe8Q#
- 2.dxe8R#
- 1...Sa5
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sd8
- 2.Sd6#
- 1...d2
- 2.Bc2#
- 1...f2
- 2.Qg2#
- 1...d4
- 2.Bc6#
- 1...Re5
- Tries
- 1.Qf2?
- 1...Rxd7
- 2.Re6#
- 1...Rxg7
- 2.Re6#
- 1...Rxe8
- 2.dxe8Q#
- 2.dxe8R#
- 1...d2
- 2.Bc2#
- 1...d4
- 2.Bc6#
- 1...Sc1
- 2.Sc3#
- 1...Re5
- 2.Sf6#
- 1...Re6
- 2.Rxe6#
- 1...Rf7
- 2.Re6#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...Sa5
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sd8
- 2.Sd6#
- 1...f4!
- 1...Rxd7
- 1.d8Q?
- threat
- 2.Qxe7#
- 1...Rxg7
- 2.Re6#
- 1...Rxe8
- 2.Qxe8#
- 1...Sxd8
- 2.Sd6#
- 1...f2
- 2.Qg2#
- 1...Re5
- 2.Sf6#
- 1...Re6
- 2.Rxe6#
- 1...Rc7
- 2.Re6#
- 1...Rd7
- 2.Re6#
- 1...Rf7
- 2.Re6#
- 1...Sc5
- 2.Sd6#
- 1...d4
- 2.Bc6#
- 2.Qxd4#
- 1...f4!
- threat
- 1.Qf2?
- Keys
- 1.Qg1!
- 1...Rxd7
- 2.Re6#
- 1...Rxg7
- 2.Re6#
- 1...Rxe8
- 2.dxe8Q#
- 2.dxe8R#
- 1...d2
- 2.Bc2#
- 1...f2
- 2.Qg2#
- 1...d4
- 2.Bc6#
- 1...f4
- 2.Qg6#
- 1...Sc1
- 2.Sc3#
- 1...Re5
- 2.Sf6#
- 1...Re6
- 2.Rxe6#
- 1...Rf7
- 2.Re6#
- 1...Sc3
- 2.Sxc3#
- 1...Sb4
- 2.Sc3#
- 1...Sa5
- 2.Sd6#
- 1...Sc5
- 2.Sd6#
- 1...Sd6
- 2.Sxd6#
- 1...Sd8
- 2.Sd6#
- 1...Rxd7
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(h);SBLOCK::S(I)
- R(h);N_GUARD::R(F),XR(h)
- R(h);N_GUARD,XP(G)::R(F)
- R(h);N_GUARD::R(F)
- R(h);N_GUARD,XB(H)::R(F)
- R(h);OGATE,XS(I)::PXR(h)=Q
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- P(b);OGATEB::B(E)
- P(c);OGATEB::QAB(B)
- P(e);OGATEB::B(E)
- Tries
- Try
- Q(B);
- Vars
- R(h);N_GUARD,XP(G)::R(F)
- R(h);N_GUARD,XB(H)::R(F)
- R(h);OGATE,XS(I)::PXR(h)=Q
- P(b);OGATEB::B(E)
- P(e);OGATEB::B(E)
- S(a);N_GUARD::S(A)
- R(h);SBLOCK::S(I)
- R(h);N_GUARD::R(F),XR(h)
- R(h);N_GUARD::R(F)
- S(a);N_GUARD::S(A),XS(a)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- P(f);
- Try
- P(G);
- Threat
- QAR(G),XR(h)
- Vars
- R(h);N_GUARD,XB(H)::R(F)
- R(h);OGATE,XS(I)::QAR(G),XR(h)
- S(g);N_GUARD,XQ(G)::S(I)
- P(c);OGATEB::QAB(B)
- R(h);SBLOCK::S(I)
- R(h);N_GUARD::R(F),XR(h)
- R(h);N_GUARD::R(F)
- S(g);N_GUARD::S(I)
- Refutation
- P(f);
- Try
- Actual
- Q(B);
- Vars
- R(h);N_GUARD,XP(G)::R(F)
- R(h);N_GUARD,XB(H)::R(F)
- R(h);OGATE,XS(I)::PXR(h)=Q
- P(b);OGATEB::B(E)
- P(c);OGATEB::QAB(B)
- P(e);OGATEB::B(E)
- P(f);OGATEB::QAB(B)
- S(a);N_GUARD::S(A)
- R(h);SBLOCK::S(I)
- R(h);N_GUARD::R(F),XR(h)
- R(h);N_GUARD::R(F)
- S(a);N_GUARD::S(A),XS(a)
- S(g);N_GUARD::S(I)
- S(g);N_GUARD::S(I),XS(g)
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).