MESON Chess Problem Database
Problem Display
PID: 159707 (7K/4n2P/p5p1/R3N1P1/1P2pkPQ/2N2p1P/3P4/8 w - - 0 1)
Anonymous
BCPJ (June), 1919
#2
11 + 6
SOLUTION
- SOUND
- Sets
- 1...Sd5
- 2.Sxg6#
- 1...Sf5
- 2.Sxg6#
- 1...Sc6
- 2.Sxg6#
- 1...Sc8
- 2.Sxg6#
- 1...Sg8
- 2.Sxg6#
- 1...f2
- 2.Se2#
- 1...e3
- 2.Sd3#
- 1...Sd5
- Tries
- 1.Kg7?
- 1...Sd5
- 2.Sxg6#
- 1...Sc6
- 2.Sxg6#
- 1...Sc8
- 2.Sxg6#
- 1...Sg8
- 2.Sxg6#
- 1...f2
- 2.Se2#
- 1...e3
- 2.Sd3#
- 1...Sf5+!
- 1...Sd5
- 1.Sd5+?
- 1...Sxd5
- 2.Sxg6#
- 1...Kxe5!
- 1...Sxd5
- 1.Sd7?
- 1...f2
- 2.Qxf2#
- 1...Sd5
- 2.Sxd5#
- 1...Sf5
- 2.Sd5#
- 2.gxf5#
- 1...Sc6
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...Sg8
- 2.Sd5#
- 1...e3!
- 1...f2
- 1.Sf7?
- 1...f2
- 2.Qxf2#
- 1...Sd5
- 2.Sxd5#
- 1...Sf5
- 2.Sd5#
- 2.gxf5#
- 1...Sc6
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...Sg8
- 2.Sd5#
- 1...e3!
- 1...f2
- 1.Rc5?
- 1...Sd5
- 2.Sxg6#
- 1...f2
- 2.Se2#
- 1...Sf5
- 2.Sxg6#
- 1...Sc6
- 2.Sxg6#
- 1...Sc8
- 2.Sxg6#
- 1...Sg8
- 2.Sxg6#
- 1...e3
- 2.Sd3#
- 1...a5!
- 1...Sd5
- 1.Rd5?
- 1...Sxd5
- 2.Sxg6#
- 1...f2
- 2.Se2#
- 1...Sf5
- 2.Sxg6#
- 1...Sc6
- 2.Sxg6#
- 1...Sc8
- 2.Sxg6#
- 1...Sg8
- 2.Sxg6#
- 1...e3
- 2.Sd3#
- 1...a5!
- 1...Sxd5
- 1.Kg7?
- Keys
- 1.Sc4!
- 1...f2
- 2.Qxf2#
- 1...Sd5
- 2.Sxd5#
- 1...Sf5
- 2.Sd5#
- 2.gxf5#
- 1...Sc6
- 2.Sd5#
- 1...Sc8
- 2.Sd5#
- 1...Sg8
- 2.Sd5#
- 1...e3
- 2.dxe3#
- 1...f2
- 1.Sc4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- S(f);N_GUARD::S(H),XP(e)
- P(a);N_GUARD::S(B)
- P(b);N_GUARD::S(H)
- Tries
- Try
- K(K);S_FLIGHT
- Vars
- S(f);N_GUARD::S(H),XP(e)
- P(a);N_GUARD::S(B)
- P(b);N_GUARD::S(H)
- Refutation
- S(f);CHECK
- Try
- S(B);CHECK
- Vars
- S(f);XS(B)::S(H),XP(e)
- Refutation
- K(c);S_FLIGHT,XS(H)
- Try
- S(H);
- Vars
- P(a);OGATEB::QAR2(F),XP(a)
- S(f);N_GUARD::S(B),XS(f)
- S(f);N_GUARD::S(B)
- Refutation
- P(b);
- Try
- S(H);
- Vars
- P(a);OGATEB::QAR2(F),XP(a)
- S(f);N_GUARD::S(B),XS(f)
- S(f);N_GUARD::S(B)
- Refutation
- P(b);
- Try
- R(G);
- Vars
- S(f);N_GUARD::S(H),XP(e)
- P(a);N_GUARD::S(B)
- P(b);N_GUARD::S(H)
- Refutation
- P(d);
- Try
- R(G);
- Vars
- S(f);N_GUARD,XR(G)::S(H),XP(e)
- P(a);N_GUARD::S(B)
- S(f);N_GUARD::S(H),XP(e)
- P(b);N_GUARD::S(H)
- Refutation
- P(d);
- Try
- Actual
- S(H);
- Vars
- P(a);OGATEB::QAR2(F),XP(a)
- S(f);N_GUARD::S(B),XS(f)
- S(f);N_GUARD::S(B)
- P(b);OGATE::P(A),XP(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).