MESON Chess Problem Database
Problem Display
PID: 51185 (8/8/2nppnB1/1Rpk4/6p1/1P1NK1B1/8/8 w - - 0 1)
Fenner, A Jack
Manchester Guardian, 1953
#2
6 + 7
SOLUTION
- SOUND
- Sets
- 1...Sb4
- 2.Sxb4#
- 1...Sd4
- 2.Sb4#
- 1...Sa5
- 2.Sb4#
- 1...Se5
- 2.Sb4#
- 1...Sa7
- 2.Sb4#
- 1...Se7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Sd8
- 2.Sb4#
- 1...Se4
- 2.Bxe4#
- 1...Sh5
- 2.Be4#
- 1...Sd7
- 2.Be4#
- 1...Sh7
- 2.Be4#
- 1...Se8
- 2.Be4#
- 1...Sg8
- 2.Be4#
- 1...e5
- 2.Bf7#
- 1...Sb4
- Tries
- 1.Bh2?
- 1...Sb4
- 2.Sxb4#
- 1...Sd4
- 2.Sb4#
- 1...Sa5
- 2.Sb4#
- 1...Se5
- 2.Sb4#
- 1...Sa7
- 2.Sb4#
- 1...Se7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Sd8
- 2.Sb4#
- 1...e5
- 2.Bf7#
- 1...Se4
- 2.Bxe4#
- 1...Sh5
- 2.Be4#
- 1...Sd7
- 2.Be4#
- 1...Sh7
- 2.Be4#
- 1...Se8
- 2.Be4#
- 1...Sg8
- 2.Be4#
- 1...g3!
- 1...Sb4
- 1.Bf4?
- 1...Sb4
- 2.Sxb4#
- 1...Sd4
- 2.Sb4#
- 1...Sa5
- 2.Sb4#
- 1...Se5
- 2.Sb4#
- 1...Sa7
- 2.Sb4#
- 1...Se7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Sd8
- 2.Sb4#
- 1...e5
- 2.Bf7#
- 1...Se4
- 2.Bxe4#
- 1...Sh5
- 2.Be4#
- 1...Sd7
- 2.Be4#
- 1...Sh7
- 2.Be4#
- 1...Se8
- 2.Be4#
- 1...Sg8
- 2.Be4#
- 1...g3!
- 1...Sb4
- 1.Ra5?
- 1...Sb4
- 2.Sxb4#
- 1...Sd4
- 2.Sb4#
- 1...Se5
- 2.Sb4#
- 1...Sa7
- 2.Sb4#
- 1...Se7
- 2.Sb4#
- 1...Sb8
- 2.Sb4#
- 1...Sd8
- 2.Sb4#
- 1...e5
- 2.Bf7#
- 1...Se4
- 2.Bxe4#
- 1...Sh5
- 2.Be4#
- 1...Sd7
- 2.Be4#
- 1...Sh7
- 2.Be4#
- 1...Se8
- 2.Be4#
- 1...Sg8
- 2.Be4#
- 1...Sxa5!
- 1...Sb4
- 1.Bh2?
- Keys
- 1.Rb6!
- 1...e5
- 2.Bf7#
- 1...Se4
- 2.Bxe4#
- 1...Sb4
- 2.Rxd6#
- 1...Sd4
- 2.Rxd6#
- 1...Sa5
- 2.Rxd6#
- 1...Se5
- 2.Sf4#
- 1...Sa7
- 2.Rxd6#
- 1...Se7
- 2.Rxd6#
- 1...Sb8
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh5
- 2.Be4#
- 1...Sd7
- 2.Be4#
- 1...Sh7
- 2.Be4#
- 1...Se8
- 2.Be4#
- 1...Sg8
- 2.Be4#
- 1...c4
- 2.Rb5#
- 1...e5
- 1.Rb6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- S(g);N_GUARD::B(F),XS(g)
- S(g);N_GUARD::B(F)
- P(f);OGATEB::B(F)
- Tries
- Try
- B(D);
- Vars
- S(d);N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- P(f);OGATEB::B(F)
- S(g);N_GUARD::B(F),XS(g)
- S(g);N_GUARD::B(F)
- Refutation
- P(a);
- Try
- B(D);
- Vars
- S(d);N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- P(f);OGATEB::B(F)
- S(g);N_GUARD::B(F),XS(g)
- S(g);N_GUARD::B(F)
- Refutation
- P(a);
- Try
- R(E);
- Vars
- S(d);N_GUARD::S(B),XS(d)
- S(d);N_GUARD::S(B)
- P(f);OGATEB::B(F)
- S(g);N_GUARD::B(F),XS(g)
- S(g);N_GUARD::B(F)
- Refutation
- S(d);N_SPINP(b),XR(E)
- Try
- Actual
- R(E);N_PINP(b)
- Vars
- P(f);OGATEB::B(F)
- S(g);N_GUARD::B(F),XS(g)
- S(d);OGATE::R1(E),XP(e)
- S(d);SBLOCK::S(B)
- S(g);N_GUARD::B(F)
- P(b);OGATEB::R(E)
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).