MESON Chess Problem Database
Problem Display
PID: 2518 (8/4K3/1p1N1N1p/1pn1k1np/3pBp2/4R3/8/4Q3 w - - 0 1)
Mackenzie, Arthur Ford
Jamaican Daily Telegraph, 1904
#2
6 + 9
| 2794 | Terms & Themes of Chess Problems | 1907 |
| 133 | The Problemist Supplement | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Sd7#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Sce6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Sge6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Sh7
- 2.Sf7#
- 1...dxe3
- 2.Qc3#
- 2.Qa1#
- 1...d3
- 2.Qc3#
- 2.Qa1#
- 1...fxe3
- 2.Qg3#
- 1...f3
- 2.Qg3#
- 1...b4
- 2.Sc4#
- 1...h4
- 2.Sg4#
- 1...Sb3
- Tries
- 1.Bc6+?
- 1...Sce4
- 2.Sd7#
- 1...dxe3
- 2.Qc3#
- 2.Qa1#
- 1...fxe3
- 2.Qg3#
- 1...Sge4!
- 1...Sce4
- 1.Bg6+?
- 1...Sge4
- 2.Sf7#
- 1...dxe3
- 2.Qc3#
- 2.Qa1#
- 1...fxe3
- 2.Qg3#
- 1...Sce4!
- 1...Sge4
- 1.Bb7+?
- 1...Sce4
- 2.Sd7#
- 1...dxe3
- 2.Qc3#
- 2.Qa1#
- 1...fxe3
- 2.Qg3#
- 1...Sge4!
- 1...Sce4
- 1.Bh7+?
- 1...Sge4
- 2.Sf7#
- 1...dxe3
- 2.Qc3#
- 2.Qa1#
- 1...fxe3
- 2.Qg3#
- 1...Sce4!
- 1...Sge4
- 1.Ba8+?
- 1...Sce4
- 2.Sd7#
- 1...dxe3
- 2.Qc3#
- 2.Qa1#
- 1...fxe3
- 2.Qg3#
- 1...Sge4!
- 1...Sce4
- 1.Rb3?
- 1...Sxb3
- 2.Sd7#
- 1...Scxe4
- 2.Rxb5#
- 1...d3
- 2.Qc3#
- 2.Qa1#
- 1...f3
- 2.Qg3#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Sce6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Sge6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Sh7
- 2.Sf7#
- 1...b4
- 2.Sc4#
- 1...h4
- 2.Sg4#
- 1...Sgxe4!
- 1...Sxb3
- 1.Rh3?
- 1...Sxh3
- 2.Sf7#
- 1...Sgxe4
- 2.Rxh5#
- 1...d3
- 2.Qc3#
- 2.Qa1#
- 1...f3
- 2.Qg3#
- 1...Sb3
- 2.Sd7#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Sce6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sf3
- 2.Sf7#
- 1...Sge6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Sh7
- 2.Sf7#
- 1...b4
- 2.Sc4#
- 1...h4
- 2.Sg4#
- 1...Scxe4!
- 1...Sxh3
- 1.Qh1?
- 1...Sgxe4
- 2.Qxh5#
- 1...dxe3
- 2.Qa1#
- 1...fxe3
- 2.Qh2#
- 1...d3
- 2.Qa1#
- 1...f3
- 2.Qh2#
- 1...Sb3
- 2.Sd7#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Sce6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Sge6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Sh7
- 2.Sf7#
- 1...b4
- 2.Sc4#
- 1...h4
- 2.Sg4#
- 1...Scxe4!
- 1...Sgxe4
- 1.Bc6+?
- Keys
- 1.Qe2!
- 1...Scxe4
- 2.Qxb5#
- 1...Sgxe4
- 2.Qxh5#
- 1...dxe3
- 2.Qb2#
- 1...fxe3
- 2.Qh2#
- 1...d3
- 2.Qb2#
- 1...f3
- 2.Qh2#
- 1...Sb3
- 2.Sd7#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Sce6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sf3
- 2.Sf7#
- 1...Sh3
- 2.Sf7#
- 1...Sge6
- 2.Sf7#
- 1...Sf7
- 2.Sxf7#
- 1...Sh7
- 2.Sf7#
- 1...b4
- 2.Sc4#
- 1...h4
- 2.Sg4#
- 1...Scxe4
- 1.Qe2!
There are these versions: 153765
Contributed for Christmas.
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- S(d);N_GUARD::S(E)
- S(d);N_GUARD::S(E),XS(d)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(b);OGATEB,XR(B)::QAB(A)
- P(b);OGATEB::QAB(A)
- P(c);N_GUARD::S(D)
- P(g);N_GUARD::S(E)
- Tries
- Try
- B(C);CHECK
- Vars
- S(d);P_SPINS(d)::S(E)
- P(b);P_SPINP(b),S_CUTP(a),S_CUTS(d),S_CUTS(f),XR(B)::QAB(A)
- Refutation
- S(f);P_SPINS(f)
- Try
- B(C);CHECK
- Vars
- S(f);P_SPINS(f)::S(D)
- P(b);P_SPINP(b),S_CUTP(a),S_CUTS(d),S_CUTS(f),XR(B)::QAB(A)
- Refutation
- S(d);P_SPINS(d)
- Try
- B(C);CHECK
- Vars
- S(d);P_SPINS(d)::S(E)
- P(b);P_SPINP(b),S_CUTP(a),S_CUTS(d),S_CUTS(f),XR(B)::QAB(A)
- Refutation
- S(f);P_SPINS(f)
- Try
- B(C);CHECK
- Vars
- S(f);P_SPINS(f)::S(D)
- P(b);P_SPINP(b),S_CUTP(a),S_CUTS(d),S_CUTS(f),XR(B)::QAB(A)
- Refutation
- S(d);P_SPINS(d)
- Try
- B(C);CHECK
- Vars
- S(d);P_SPINS(d)::S(E)
- P(b);P_SPINP(b),S_CUTP(a),S_CUTS(d),S_CUTS(f),XR(B)::QAB(A)
- Refutation
- S(f);P_SPINS(f)
- Try
- R(B);
- Vars
- S(d);N_GUARD,XR(B)::S(E)
- S(d);OGATEB,P_SPINS(d),XB(C)::R(B),XP(c)
- P(b);OGATEB::QAB(A)
- S(d);N_GUARD::S(E)
- S(d);N_GUARD::S(E),XS(d)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(c);N_GUARD::S(D)
- P(g);N_GUARD::S(E)
- Refutation
- S(f);P_SPINS(f),XB(C)
- Try
- R(B);
- Vars
- S(f);N_GUARD,XR(B)::S(D)
- S(f);OGATEB,P_SPINS(f),XB(C)::R(B),XP(g)
- P(b);OGATEB::QAB(A)
- S(d);N_GUARD::S(E)
- S(d);N_GUARD::S(E),XS(d)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(c);N_GUARD::S(D)
- P(g);N_GUARD::S(E)
- Refutation
- S(d);P_SPINS(d),XB(C)
- Try
- Q(A);
- Vars
- S(f);OGATEB,P_SPINS(f),XB(C)::QAR(A),XP(g)
- P(a);OGATEB,XR(B)::QAB(A)
- P(b);OGATEB,XR(B)::QAB(A)
- P(a);OGATEB::QAB(A)
- P(b);OGATEB::QAB(A)
- S(d);N_GUARD::S(E)
- S(d);N_GUARD::S(E),XS(d)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(c);N_GUARD::S(D)
- P(g);N_GUARD::S(E)
- Refutation
- S(d);P_SPINS(d),XB(C)
- Try
- Actual
- Q(A);
- Vars
- S(d);OGATEB,P_SPINS(d),XB(C)::QAR(A),XP(c)
- S(f);OGATEB,P_SPINS(f),XB(C)::QAR(A),XP(g)
- P(a);OGATEB,XR(B)::QAB(A)
- P(b);OGATEB,XR(B)::QAB(A)
- P(a);OGATEB::QAB(A)
- P(b);OGATEB::QAB(A)
- S(d);N_GUARD::S(E)
- S(d);N_GUARD::S(E),XS(d)
- S(f);N_GUARD::S(D)
- S(f);N_GUARD::S(D),XS(f)
- P(c);N_GUARD::S(D)
- P(g);N_GUARD::S(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).