MESON Chess Problem Database
Problem Display
PID: 146410 (8/4N2p/2pn4/1p3pPR/1p1B1k2/1KpQ1PpP/2P3n1/5R2 w - - 0 1)
Kemp, Charles Edward
Western Daily Mercury, 1919
(First published on Fri Apr 25 1919)
#2
10 + 10
| 1101 | BCSC Final | 2012-2013 |
| 15044 | Kemp Archive | 2013 |
| 56 | The Problemist | 2013 |
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sh4
- 2.Qe3#
- 1...Sc4
- 2.Qxf5#
- 1...Se4
- 2.fxe4#
- 1...Sb7
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Se8
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...Se1
- Tries
- 1.Ka2?
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sh4
- 2.Qe3#
- 1...Sc4
- 2.Qxf5#
- 1...Se4
- 2.fxe4#
- 1...Sb7
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Se8
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...b3+!
- 1...Se1
- 1.Kxb4?
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sh4
- 2.Qe3#
- 1...Sc4
- 2.Qxf5#
- 1...Se4
- 2.fxe4#
- 1...Sb7
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Se8
- 2.Qxf5#
- 1...h6
- 2.Sg6#
- 1...c5+!
- 1...Se1
- 1.Bxc3?
- 1...Sc4
- 2.Qd4#
- 1...Se1
- 2.Qd2#
- 1...Se3
- 2.Qxd6#
- 1...Sh4
- 2.Qd2#
- 1...Se4
- 2.fxe4#
- 1...Sb7
- 2.Qd4#
- 1...Sf7
- 2.Qd4#
- 1...Sc8
- 2.Qd4#
- 1...Se8
- 2.Qd4#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...bxc3!
- 1...Sc4
- 1.Be3+?
- 1...Sxe3
- 2.Qxd6#
- 1...Ke5!
- 1...Sxe3
- 1.Bc5?
- threat
- 2.Bxd6#
- 2.Qxd6#
- 1...Ke5
- 2.Qxd6#
- 1...Sc4
- 2.Qxf5#
- 2.Qd4#
- 1...Sb7
- 2.Qxf5#
- 2.Qd4#
- 1...Sf7
- 2.Qxf5#
- 2.Qd4#
- 1...Sc8
- 2.Qxf5#
- 2.Qd4#
- 1...Se8
- 2.Qxf5#
- 2.Qd4#
- 1...Se4!
- threat
- 1.Ra1?
- 1...Se3
- 2.Qxe3#
- 1...Se1
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Sc4
- 2.Qxf5#
- 1...Sb7
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Se8
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...Se4!
- 1...Se3
- 1.Rb1?
- 1...Se3
- 2.Qxe3#
- 1...Se1
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Sc4
- 2.Qxf5#
- 1...Sb7
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Se8
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...Se4!
- 1...Se3
- 1.Rc1?
- 1...Se3
- 2.Qxe3#
- 1...Se1
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Sc4
- 2.Qxf5#
- 1...Sb7
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Se8
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...Se4!
- 1...Se3
- 1.Rd1?
- 1...Se3
- 2.Qxe3#
- 1...Se1
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Sc4
- 2.Qxf5#
- 1...Sb7
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Se8
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...Se4!
- 1...Se3
- 1.Re1?
- threat
- 2.Be5#
- 1...Sxe1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sc4
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Se4!
- threat
- 1.Rg1?
- 1...Se3
- 2.Qxe3#
- 1...Se1
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Sc4
- 2.Qxf5#
- 1...Sb7
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Se8
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...Se4!
- 1...Se3
- 1.Rh1?
- 1...Se3
- 2.Qxe3#
- 1...Se1
- 2.Qe3#
- 1...Sh4
- 2.Qe3#
- 1...Sc4
- 2.Qxf5#
- 1...Sb7
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Se8
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...Se4!
- 1...Se3
- 1.Rh4+?
- 1...Sxh4
- 2.Qe3#
- 1...Kxg5!
- 1...Sxh4
- 1.Qxb5?
- threat
- 2.Qe5#
- 1...cxb5
- 2.Sd5#
- 1...Sc4
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...Sxb5!
- threat
- 1.Qd2+?
- 1...Se3
- 2.Qxe3#
- 1...cxd2!
- 1...Se3
- 1.h4?
- 1...Sxh4
- 2.Qe3#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sc4
- 2.Qxf5#
- 1...Sb7
- 2.Qxf5#
- 1...Sf7
- 2.Qxf5#
- 1...Sc8
- 2.Qxf5#
- 1...Se8
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...Se4!
- 1...Sxh4
- 1.g6?
- 1...hxg6
- 2.Sxg6#
- 1...Se4
- 2.Rxf5#
- 2.fxe4#
- 1...Se1
- 2.Qe3#
- 1...Se3
- 2.Qxe3#
- 1...Sh4
- 2.Qe3#
- 1...Sc4
- 2.Rxf5#
- 2.Qxf5#
- 1...Sb7
- 2.Rxf5#
- 2.Qxf5#
- 1...Sf7
- 2.Rxf5#
- 2.Qxf5#
- 1...Sc8
- 2.Rxf5#
- 2.Qxf5#
- 1...Se8
- 2.Rxf5#
- 2.Qxf5#
- 1...c5
- 2.Sd5#
- 1...h6!
- 1...hxg6
- 1.Ka2?
- Keys
- 1.Bf6!
- 1...Sc4
- 2.Qd4#
- 1...Se1
- 2.Rh4#
- 1...Se3
- 2.Qxd6#
- 1...Sh4
- 2.Rxh4#
- 1...Se4
- 2.fxe4#
- 1...Sb7
- 2.Qd4#
- 1...Sf7
- 2.Qd4#
- 1...Sc8
- 2.Qd4#
- 1...Se8
- 2.Qd4#
- 1...c5
- 2.Sd5#
- 1...h6
- 2.Sg6#
- 1...Sc4
- 1.Bf6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(i);N_GUARD::QAR1(D),XP(g)
- S(i);OGATE::R(A)+P(E),XS(i)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Tries
- Try
- K(C);S_FLIGHT
- Vars
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(i);N_GUARD::QAR1(D),XP(g)
- S(i);OGATE::R(A)+P(E),XS(i)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Refutation
- P(d);CHECK
- Try
- K(C);P-FLIGHT,XP(d)
- Vars
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(i);N_GUARD::QAR1(D),XP(g)
- S(i);OGATE::R(A)+P(E),XS(i)
- P(j);N_GUARD::S(J)
- Refutation
- P(h);CHECK
- Try
- B(G);XP(b)
- Vars
- S(i);N_GUARD::QAR2(D)
- S(a);N_GUARD::QAB(D)
- S(a);SBLOCK::QAB(D),XS(i)
- S(i);OGATE::R(A)+P(E),XS(i)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Refutation
- P(d);XB(G)
- Try
- B(G);CHECK
- Vars
- S(a);SBLOCK,XB(G)::QAB(D),XS(i)
- Refutation
- K(e);S_FLIGHT
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT::QAB1(D),XS(i)
- Refutation
- S(i);
- Try
- R(A);
- Vars
- S(a);N_GUARD::QAB1(D),XS(a)
- S(a);N_GUARD::QAB1(D)
- S(i);N_GUARD::QAR1(D),XP(g)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Refutation
- S(i);
- Try
- R(A);
- Vars
- S(a);N_GUARD::QAB1(D),XS(a)
- S(a);N_GUARD::QAB1(D)
- S(i);N_GUARD::QAR1(D),XP(g)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Refutation
- S(i);
- Try
- R(A);
- Vars
- S(a);N_GUARD::QAB1(D),XS(a)
- S(a);N_GUARD::QAB1(D)
- S(i);N_GUARD::QAR1(D),XP(g)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Refutation
- S(i);
- Try
- R(A);
- Vars
- S(a);N_GUARD::QAB1(D),XS(a)
- S(a);N_GUARD::QAB1(D)
- S(i);N_GUARD::QAR1(D),XP(g)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Refutation
- S(i);
- Try
- R(A);
- Threat
- B(G)
- Vars
- S(a);N_GUARD,XR(A)::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(i);N_GUARD::QAR1(D),XP(g)
- Refutation
- S(i);
- Try
- R(A);
- Vars
- S(a);N_GUARD::QAB1(D),XS(a)
- S(a);N_GUARD::QAB1(D)
- S(i);N_GUARD::QAR1(D),XP(g)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Refutation
- S(i);
- Try
- R(A);
- Vars
- S(a);N_GUARD::QAB1(D),XS(a)
- S(a);N_GUARD::QAB1(D)
- S(i);N_GUARD::QAR1(D),XP(g)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Refutation
- S(i);
- Try
- R(I);CHECK
- Vars
- S(a);XR(I)::QAB1(D)
- Refutation
- K(e);S_FLIGHT,XP(H)
- Try
- Q(D);XP(f)
- Threat
- QAB1(D)
- Vars
- P(h);N_GUARD,XQ(D)::S(J)
- S(i);N_GUARD::QAR1(D),XP(g)
- P(h);N_GUARD::S(J)
- Refutation
- S(i);XQ(D)
- Try
- Q(D);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(D),XS(a)
- Refutation
- P(b);XQ(D)
- Try
- P(F);
- Vars
- S(a);N_GUARD,XP(F)::QAB1(D)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- S(i);N_GUARD::QAR1(D),XP(g)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
- Refutation
- S(i);
- Try
- P(H);
- Vars
- P(j);XP(H)::S(J),XP(j)
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- P(h);N_GUARD::S(J)
- Refutation
- P(j);
- Try
- Actual
- B(G);
- Vars
- S(i);N_GUARD::QAR2(D)
- S(a);N_GUARD::R(I)
- S(a);SBLOCK::QAB(D),XS(i)
- S(a);N_GUARD::R(I),XS(a)
- S(i);OGATE::R(A)+P(E),XS(i)
- P(h);N_GUARD::S(J)
- P(j);N_GUARD::S(J)
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).