MESON Chess Problem Database
Problem Display
PID: 21055 (8/2pN4/1pp1Bp2/B1p4n/3p4/2pk1K1N/R7/7n w - - 0 1)
Warton, Joseph John
Chess Amateur (The), 1916
#2
6 + 10
SOLUTION
- SOUND
- Sets
- 1...Sf2
- 2.Sxf2#
- 1...S1g3
- 2.Sf2#
- 1...S5g3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg7
- 2.Sf4#
- 1...c2
- 2.Ra3#
- 1...c4
- 2.Bf5#
- 1...bxa5
- 2.Sxc5#
- 1...b5
- 2.Sxc5#
- 1...f5
- 2.Se5#
- 1...Sf2
- Tries
- 1.Sxb6?
- threat
- 2.Bc4#
- 2.Bf5#
- 1...Sf2
- 2.Sxf2#
- 2.Bc4#
- 1...S1g3
- 2.Sf2#
- 2.Bc4#
- 1...S5g3
- 2.Sf4#
- 2.Bc4#
- 1...Sg7
- 2.Sf4#
- 2.Bc4#
- 1...c4
- 2.Bxc4#
- 2.Bf5#
- 1...f5
- 2.Bc4#
- 2.Bxf5#
- 1...cxb6!
- threat
- 1.Bb4?
- 1...b5
- 2.Sxc5#
- 1...Sf2
- 2.Sxf2#
- 1...S1g3
- 2.Sf2#
- 1...S5g3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg7
- 2.Sf4#
- 1...c2
- 2.Ra3#
- 1...c4
- 2.Bf5#
- 1...f5
- 2.Se5#
- 1...cxb4!
- 1...b5
- 1.Bd5?
- 1...bxa5
- 2.Sxc5#
- 1...b5
- 2.Sxc5#
- 1...Sf2
- 2.Sxf2#
- 1...S1g3
- 2.Sf2#
- 1...S5g3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg7
- 2.Sf4#
- 1...c2
- 2.Ra3#
- 1...c4
- 2.Be4#
- 1...f5
- 2.Se5#
- 1...cxd5!
- 1...bxa5
- 1.Bf7?
- 1...bxa5
- 2.Sxc5#
- 1...b5
- 2.Sxc5#
- 1...Sf2
- 2.Sxf2#
- 1...S1g3
- 2.Sf2#
- 1...S5g3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg7
- 2.Sf4#
- 1...c2
- 2.Ra3#
- 1...f5
- 2.Se5#
- 1...c4!
- 1...bxa5
- 1.Bg8?
- 1...bxa5
- 2.Sxc5#
- 1...b5
- 2.Sxc5#
- 1...Sf2
- 2.Sxf2#
- 1...S1g3
- 2.Sf2#
- 1...S5g3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg7
- 2.Sf4#
- 1...c2
- 2.Ra3#
- 1...f5
- 2.Se5#
- 1...c4!
- 1...bxa5
- 1.Rb2?
- 1...bxa5
- 2.Sxc5#
- 1...b5
- 2.Sxc5#
- 1...Sf2
- 2.Sxf2#
- 1...S1g3
- 2.Sf2#
- 1...S5g3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg7
- 2.Sf4#
- 1...c2
- 2.Rb3#
- 1...c4
- 2.Bf5#
- 1...f5
- 2.Se5#
- 1...cxb2!
- 1...bxa5
- 1.Sxb6?
- Keys
- 1.Re2!
- 1...bxa5
- 2.Sxc5#
- 1...b5
- 2.Sxc5#
- 1...Sf2
- 2.Sxf2#
- 1...S1g3
- 2.Sf2#
- 1...S5g3
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg7
- 2.Sf4#
- 1...c2
- 2.Rd2#
- 1...c4
- 2.Bf5#
- 1...f5
- 2.Se5#
- 1...bxa5
- 1.Re2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);OGATEB,SBLOCK::R(A)
- P(e);SBLOCK::B(E)
- P(g);N_GUARD,XB(D)::S(F),XP(e)
- P(g);N_GUARD::S(F),XP(e)
- P(i);N_GUARD::S(F)
- Tries
- Try
- S(F);XP(g)
- Threat
- DUALS(2)
- Refutation
- P(j);XS(F)
- Try
- B(D);
- Vars
- P(g);N_GUARD::S(F),XP(e)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);OGATEB,SBLOCK::R(A)
- P(e);SBLOCK::B(E)
- P(i);N_GUARD::S(F)
- Refutation
- P(e);XB(D)
- Try
- B(E);
- Vars
- P(g);N_GUARD,XB(D)::S(F),XP(e)
- P(g);N_GUARD::S(F),XP(e)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);OGATEB,SBLOCK::R(A)
- P(e);SBLOCK::B(E)
- P(i);N_GUARD::S(F)
- Refutation
- P(h);XB(E)
- Try
- B(E);
- Vars
- P(g);N_GUARD,XB(D)::S(F),XP(e)
- P(g);N_GUARD::S(F),XP(e)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);OGATEB,SBLOCK::R(A)
- P(i);N_GUARD::S(F)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- P(g);N_GUARD,XB(D)::S(F),XP(e)
- P(g);N_GUARD::S(F),XP(e)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);OGATEB,SBLOCK::R(A)
- P(i);N_GUARD::S(F)
- Refutation
- P(e);
- Try
- R(A);
- Vars
- P(g);N_GUARD,XB(D)::S(F),XP(e)
- P(g);N_GUARD::S(F),XP(e)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);OGATEB,SBLOCK::R(A)
- P(e);SBLOCK::B(E)
- P(i);N_GUARD::S(F)
- Refutation
- P(b);XR(A)
- Try
- Actual
- R(A);
- Vars
- P(g);N_GUARD,XB(D)::S(F),XP(e)
- P(g);N_GUARD::S(F),XP(e)
- S(a);N_GUARD::S(C),XS(a)
- S(a);N_GUARD::S(C)
- S(f);N_GUARD::S(C)
- S(f);N_GUARD::S(C),XS(f)
- P(b);N_GUARD::R1(A)
- P(e);SBLOCK::B(E)
- P(i);N_GUARD::S(F)
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).