MESON Chess Problem Database
Problem Display
PID: 133259 (N4nb1/8/7r/R1N5/K1k5/2pp4/6B1/6B1 w - - 0 1)
Eyjolfsson, Eyjolfur
The Problemist, 1981
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Sb6#
- 1...Rh2
- 2.Sb6#
- 1...Rh3
- 2.Sb6#
- 1...Rh4
- 2.Sb6#
- 1...Rh5
- 2.Sb6#
- 1...Rb6
- 2.Sxb6#
- 1...Rh7
- 2.Sb6#
- 1...Rh8
- 2.Sb6#
- 1...Be6
- 2.Sb6#
- 1...Se6
- 2.Sb6#
- 1...Sg6
- 2.Sb6#
- 1...Rh1
- Tries
- 1.Sd7?
- threat
- 2.Se5#
- 2.Rc5#
- 1...c2
- 2.Rc5#
- 1...d2
- 2.Se5#
- 2.Bf1#
- 1...Ra6
- 2.Se5#
- 1...Rh5
- 2.Sdb6#
- 2.Sab6#
- 1...Rc6
- 2.Se5#
- 1...Re6
- 2.Bd5#
- 2.Rc5#
- 1...Se6
- 2.Se5#
- 2.Sdb6#
- 2.Sab6#
- 2.Bd5#
- 1...Sg6
- 2.Sdb6#
- 2.Sab6#
- 2.Rc5#
- 1...Sxd7!
- threat
- 1.Sd7?
- Keys
- 1.Se6!
- threat
- 2.Sb6#
- 2.Bd5#
- 2.Rc5#
- 1...Rxe6
- 2.Bd5#
- 2.Rc5#
- 1...Bxe6
- 2.Sb6#
- 2.Rc5#
- 1...Sxe6
- 2.Sb6#
- 2.Bd5#
- 1...c2
- 2.Rc5#
- 1...d2
- 2.Bf1#
- 1...Rh5
- 2.Sb6#
- 1...Sd7
- 2.Bd5#
- threat
- 1.Se6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 10
- Sets
- R(d);N_GUARD::S(F)
- R(d);N_GUARD::S(F),XR(d)
- B(f);S_CUTR(d)::S(F)
- S(e);S_CUTR(d)::S(F)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- P(a);::R1(D)
- R(d);P_PINR(D)::S(E)
- R(d);::S(E)
- Refutation
- S(e);XS(E)
- Try
- Actual
- S(E);
- Threat
- DUALS(3)
- Vars
- P(a);::R1(D)
- P(b);OGATEB::B(B)
- R(d);::S(F)
- S(e);::B(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).