MESON Chess Problem Database
Problem Display
PID: 3129 (4n3/3N4/1K1p4/n2k1P2/BRp2p2/b1BP4/N3P3/8 w - - 0 1)
Williams, Philip Hamilton
Morning Post, 1918
#2
9 + 7
| 2681 | All Change Here! | 1919 |
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Rb5#
- 1...Bb2
- 2.Rb5#
- 1...Bxb4
- 2.Sxb4#
- 1...Sb3
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Sb7
- 2.Bc6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...cxd3
- 2.Rd4#
- 1...f3
- 2.e4#
- 1...Bc1
- Tries
- 1.Sc1?
- 1...Bxc1
- 2.Rb5#
- 1...cxd3
- 2.Rd4#
- 1...Bb2
- 2.Rb5#
- 1...Sb3
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Sb7
- 2.Bc6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...f3
- 2.e4#
- 1...Bxb4!
- 1...Bxc1
- 1.Ba1?
- 1...Bxb4
- 2.Sxb4#
- 1...cxd3
- 2.Sc3#
- 2.Rd4#
- 1...Bc1
- 2.Rb5#
- 1...Sb3
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Sb7
- 2.Bc6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...c3
- 2.Sxc3#
- 1...f3
- 2.e4#
- 1...Bb2!
- 1...Bxb4
- 1.Bb2?
- 1...Bxb4
- 2.Sxb4#
- 1...cxd3
- 2.Sc3#
- 2.Rd4#
- 1...Sb3
- 2.Bc6#
- 1...Sc6
- 2.Bxc6#
- 1...Sb7
- 2.Bc6#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...c3
- 2.Sxc3#
- 1...f3
- 2.e4#
- 1...Bxb2!
- 1...Bxb4
- 1.Be5?
- threat
- 2.Sc3#
- 1...Bxb4
- 2.Sxb4#
- 1...Bb2
- 2.Rb5#
- 1...c3
- 2.Sxc3#
- 2.Rd4#
- 1...dxe5!
- threat
- 1.Bf6?
- threat
- 2.Sc3#
- 1...Bxb4
- 2.Sxb4#
- 1...Bb2
- 2.Rb5#
- 1...c3
- 2.Sxc3#
- 2.Rd4#
- 1...Sxf6!
- threat
- 1.Bb3?
- 1...Bxb4
- 2.Sxb4#
- 1...cxb3
- 2.Rd4#
- 1...Bc1
- 2.Rb5#
- 1...Bb2
- 2.Rb5#
- 1...Sc6
- 2.Bxc4#
- 1...Sb7
- 2.Bxc4#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...f3
- 2.e4#
- 1...Sxb3!
- 1...Bxb4
- 1.e3?
- threat
- 2.e4#
- 1...Sf6
- 2.Sxf6#
- 1...fxe3!
- threat
- 1.Sc1?
- Keys
- 1.Bc2!
- 1...Bxb4
- 2.Sxb4#
- 1...cxd3
- 2.Rd4#
- 1...Bc1
- 2.Rb5#
- 1...Bb2
- 2.Rb5#
- 1...Sb3
- 2.dxc4#
- 1...Sc6
- 2.dxc4#
- 1...Sb7
- 2.dxc4#
- 1...Sf6
- 2.Sxf6#
- 1...Sc7
- 2.Sf6#
- 1...Sg7
- 2.Sf6#
- 1...f3
- 2.e4#
- 1...Bxb4
- 1.Bc2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::R(F)
- B(a);XR(F)::S(A),XB(a)
- S(d);N_GUARD::B(E)
- S(d);N_GUARD::B(E),XS(d)
- S(g);N_GUARD::S(I),XS(g)
- S(g);N_GUARD::S(I)
- P(b);OGATE,XP(D)::R1(F)
- P(c);N_GUARD::P(B)
- Tries
- Try
- S(A);
- Vars
- B(a);N_GUARD,XS(A)::R(F)
- P(b);OGATE,XP(D)::R1(F)
- B(a);N_GUARD::R(F)
- S(d);N_GUARD::B(E)
- S(d);N_GUARD::B(E),XS(d)
- S(g);N_GUARD::S(I),XS(g)
- S(g);N_GUARD::S(I)
- P(c);N_GUARD::P(B)
- Refutation
- B(a);XR(F)
- Try
- B(C);
- Vars
- B(a);XR(F)::S(A),XB(a)
- B(a);N_GUARD::R(F)
- S(d);N_GUARD::B(E)
- S(d);N_GUARD::B(E),XS(d)
- S(g);N_GUARD::S(I),XS(g)
- S(g);N_GUARD::S(I)
- P(b);::S(A),XP(b)
- P(c);N_GUARD::P(B)
- Refutation
- B(a);
- Try
- B(C);
- Vars
- B(a);XR(F)::S(A),XB(a)
- S(d);N_GUARD::B(E)
- S(d);N_GUARD::B(E),XS(d)
- S(g);N_GUARD::S(I),XS(g)
- S(g);N_GUARD::S(I)
- P(b);::S(A),XP(b)
- P(c);N_GUARD::P(B)
- Refutation
- B(a);XB(C)
- Try
- B(C);
- Threat
- S(A)
- Vars
- B(a);XR(F)::S(A),XB(a)
- B(a);N_GUARD::R(F)
- Refutation
- P(f);XB(C)
- Try
- B(C);
- Threat
- S(A)
- Vars
- B(a);XR(F)::S(A),XB(a)
- B(a);N_GUARD::R(F)
- Refutation
- S(g);XB(C)
- Try
- B(E);P_PINP(b)
- Vars
- B(a);XR(F)::S(A),XB(a)
- P(b);N_SPINP(b),OGATE,XB(E)::R1(F)
- B(a);N_GUARD::R(F)
- S(d);N_GUARD::B(E),XP(b)
- S(g);N_GUARD::S(I),XS(g)
- S(g);N_GUARD::S(I)
- P(c);N_GUARD::P(B)
- Refutation
- S(d);N_SPINP(b),XB(E)
- Try
- P(B);
- Threat
- P(B)
- Vars
- S(g);N_GUARD::S(I),XS(g)
- Refutation
- P(c);XP(B)
- Try
- Actual
- B(E);
- Vars
- B(a);XR(F)::S(A),XB(a)
- P(b);OGATE,XP(D)::R1(F)
- B(a);N_GUARD::R(F)
- S(d);N_GUARD::P(D),XP(b)
- S(g);N_GUARD::S(I),XS(g)
- S(g);N_GUARD::S(I)
- P(c);N_GUARD::P(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).