MESON Chess Problem Database
Problem Display
PID: 17138 (8/6N1/2K3p1/2n1p3/n2k3B/5P2/3PP3/2Q3b1 w - - 0 1)
Shinkman, William Anthony
Checkmate, 1903
#2
7 + 6
| 2638 | White to Play | 1913 |
| 2681 | All Change Here! | 1919 |
| 3925 | The Golden Argosy | 1929 |
SOLUTION
- SOUND
- Sets
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.dxe3#
- 1...Sb2
- 2.Qc3#
- 2.Qxc5#
- 1...Sc3
- 2.Qxc3#
- 1...Sb6
- 2.Qc3#
- 2.Qxc5#
- 1...Sb3
- 2.Se6#
- 1...Sd3
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...e4
- 2.Bf6#
- 1...g5
- 2.Sf5#
- 1...Bf2
- Tries
- 1.Be1?
- 1...Sc3
- 2.Qxc3#
- 1...Sb3
- 2.Se6#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.dxe3#
- 1...Sb2
- 2.Qc3#
- 2.Qxc5#
- 1...Sb6
- 2.Qc3#
- 2.Qxc5#
- 1...Sd3
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...g5
- 2.Sf5#
- 1...e4!
- 1...Sc3
- 1.Bg3?
- 1...Sc3
- 2.Qxc3#
- 1...Sb3
- 2.Se6#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.dxe3#
- 1...Sb2
- 2.Qc3#
- 2.Qxc5#
- 1...Sb6
- 2.Qc3#
- 2.Qxc5#
- 1...Sd3
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...g5
- 2.Sf5#
- 1...e4!
- 1...Sc3
- 1.Bg5?
- 1...Sc3
- 2.Qxc3#
- 1...e4
- 2.Bf6#
- 1...Sb3
- 2.Se6#
- 1...Bh2
- 2.Be3#
- 1...Be3
- 2.Bxe3#
- 2.dxe3#
- 1...Sb2
- 2.Qc3#
- 2.Qxc5#
- 1...Sb6
- 2.Qc3#
- 2.Qxc5#
- 1...Sd3
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...Bf2!
- 1...Sc3
- 1.Qc2?
- 1...Sc3
- 2.Qxc3#
- 1...e4
- 2.Bf6#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 2.e3#
- 1...Sb2
- 2.Qc3#
- 2.Qxc5#
- 1...Sb6
- 2.Qc3#
- 2.Qxc5#
- 1...Sb3
- 2.Se6#
- 2.Qd3#
- 2.Qe4#
- 1...Sd3
- 2.Se6#
- 2.Qxd3#
- 1...Se4
- 2.Se6#
- 2.Qd3#
- 2.Qxa4#
- 2.Qxe4#
- 1...Sa6
- 2.Se6#
- 2.Qd3#
- 2.Qe4#
- 1...Se6
- 2.Sxe6#
- 2.Qd3#
- 2.Qxa4#
- 2.Qe4#
- 1...Sb7
- 2.Se6#
- 2.Qd3#
- 2.Qxa4#
- 2.Qe4#
- 1...Sd7
- 2.Se6#
- 2.Qd3#
- 2.Qxa4#
- 2.Qe4#
- 1...g5
- 2.Sf5#
- 1...Be3!
- 1...Sc3
- 1.Be1?
- Keys
- 1.d3!
- 1...Sxd3
- 2.Se6#
- 1...e4
- 2.Bf6#
- 1...Bf2
- 2.Bxf2#
- 1...Bh2
- 2.Bf2#
- 1...Be3
- 2.Qc4#
- 1...Sb2
- 2.Qxc5#
- 1...Sc3
- 2.Qxg1#
- 1...Sb6
- 2.Qxc5#
- 1...Sb3
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sa6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...Sd7
- 2.Se6#
- 1...g5
- 2.Sf5#
- 1...Sxd3
- 1.d3!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::B(E),XB(a)
- B(a);N_GUARD::B(E)
- B(a);OGATE::P(B),XB(a)
- S(b);N_GUARD::QAB1(A),XS(b)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- P(e);OGATEB::B(E)
- P(f);N_GUARD::S(G)
- Tries
- Try
- B(E);
- Vars
- S(b);N_GUARD::QAB1(A),XS(b)
- S(d);N_GUARD::S(G)
- B(a);N_GUARD::B(E),XB(a)
- B(a);N_GUARD::B(E)
- B(a);OGATE::P(B),XB(a)
- S(d);N_GUARD::S(G),XS(d)
- P(f);N_GUARD::S(G)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- S(b);N_GUARD::QAB1(A),XS(b)
- S(d);N_GUARD::S(G)
- B(a);N_GUARD::B(E),XB(a)
- B(a);N_GUARD::B(E)
- B(a);OGATE::P(B),XB(a)
- S(d);N_GUARD::S(G),XS(d)
- P(f);N_GUARD::S(G)
- Refutation
- P(e);
- Try
- B(E);
- Vars
- S(b);N_GUARD::QAB1(A),XS(b)
- P(e);OGATEB::B(E)
- S(d);N_GUARD::S(G)
- B(a);N_GUARD::B(E)
- S(d);N_GUARD::S(G),XS(d)
- Refutation
- B(a);
- Try
- Q(A);
- Vars
- S(b);N_GUARD::QAB1(A),XS(b)
- P(e);OGATEB::B(E)
- B(a);N_GUARD::B(E),XB(a)
- P(f);N_GUARD::S(G)
- Refutation
- B(a);
- Try
- Actual
- P(B);
- Vars
- S(d);N_GUARD,XP(B)::S(G)
- P(e);OGATEB::B(E)
- B(a);N_GUARD::B(E),XB(a)
- B(a);N_GUARD::B(E)
- B(a);SBLOCK::QAR1(A)
- S(b);N_GUARD::QAB1(A),XS(d)
- S(b);SBLOCK::QAB(A),XB(a)
- S(d);N_GUARD::S(G)
- S(d);N_GUARD::S(G),XS(d)
- P(f);N_GUARD::S(G)
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).