MESON Chess Problem Database
Problem Display
PID: 24444 (2N2b2/7K/2b5/1p1kpP2/2R4p/P2pQ1nr/P7/1qnN3r w - - 0 1)
Heathcote, Godfrey
Illustrated Western Weekly News, 1909
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Kxc4
- 2.Sb6#
- 1...Bc5
- 2.Rxc5#
- 2.Qxc5#
- 1...Bd6
- 2.Sb6#
- 1...Bh6
- 2.Rc5#
- 2.Qc5#
- 1...Bg7
- 2.Rc5#
- 2.Qc5#
- 1...Sf1
- 2.Qe4#
- 1...Se2
- 2.Qe4#
- 1...Se4
- 2.Qxe4#
- 1...Sh5
- 2.Qe4#
- 1...bxc4
- 2.Sc3#
- 1...e4
- 2.Qd4#
- 1...Kxc4
- Tries
- 1.Qb6?
- threat
- 2.Se3#
- 2.Qxc6#
- 1...Rxd1
- 2.Qxc6#
- 1...Sxf5
- 2.Qxc6#
- 1...bxc4
- 2.Sc3#
- 1...e4
- 2.Qd4#
- 1...Re1
- 2.Qxc6#
- 1...Bb7
- 2.Se3#
- 2.Qe6#
- 1...Bd7
- 2.Se3#
- 1...Ba8
- 2.Se3#
- 2.Qe6#
- 1...Be8
- 2.Se3#
- 2.Qe6#
- 1...Bc5
- 2.Qxc5#
- 1...Bh6
- 2.Qc5#
- 2.Qxc6#
- 1...Sf1
- 2.Qxc6#
- 1...Sge2
- 2.Qxc6#
- 1...Se4
- 2.Qxc6#
- 1...Sh5
- 2.Qxc6#
- 1...Kxc4!
- threat
- 1.Qa7?
- threat
- 2.Se3#
- 2.Qf7#
- 1...Rxd1
- 2.Qf7#
- 1...Sxf5
- 2.Qf7#
- 1...bxc4
- 2.Sc3#
- 1...e4
- 2.Qd4#
- 1...Re1
- 2.Qf7#
- 1...Bb7
- 2.Se3#
- 1...Bd7
- 2.Se3#
- 1...Be8
- 2.Se3#
- 1...Bc5
- 2.Qxc5#
- 2.Qf7#
- 1...Bh6
- 2.Qc5#
- 2.Qf7#
- 1...Be7
- 2.Se3#
- 1...Sf1
- 2.Qf7#
- 1...Sge2
- 2.Qf7#
- 1...Se4
- 2.Qf7#
- 1...Sh5
- 2.Qf7#
- 1...Kxc4!
- threat
- 1.Qxd3+?
- 1...Sxd3
- 2.Se3#
- 1...Qxd3!
- 1...Sxd3
- 1.Qxe5+?
- 1...Kxc4
- 2.Se3#
- 2.Sb6#
- 1...Kxe5!
- 1...Kxc4
- 1.Qb6?
- Keys
- 1.Qg1!
- threat
- 2.Se3#
- 1...Kxc4
- 2.Sb6#
- 1...Sxf5
- 2.Qg8#
- 1...bxc4
- 2.Sc3#
- 1...e4
- 2.Qd4#
- 1...Bc5
- 2.Qxc5#
- 1...Bh6
- 2.Qc5#
- 1...Sf1
- 2.Qg8#
- 1...Sge2
- 2.Qg8#
- 1...Se4
- 2.Qg8#
- 1...Sh5
- 2.Qg8#
- threat
- 1.Qg1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- K(i);S_FLIGHT,XR(E)::S(H)
- B(l);SBLOCK::S(H)
- S(e);N_GUARD::QAB1(D)
- S(e);N_GUARD::QAB1(D),XS(e)
- P(h);SBLOCK,XR(E)::S(A)
- P(j);N_GUARD::QAR1(D)
- Tries
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(c);XS(A)::QAB1(D),XB(k)
- S(e);XP(F)::QAB1(D),XB(k)
- P(h);SBLOCK,XR(E)::S(A)
- P(j);N_GUARD::QAR1(D)
- R(c);::QAB1(D),XB(k)
- B(k);::S(A)
- B(l);N_GUARD::QAR1(D),XB(l)
- S(e);::QAB1(D),XB(k)
- Refutation
- K(i);S_FLIGHT,XR(E)
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- R(c);XS(A)::QAB(D)
- S(e);XP(F)::QAB(D)
- P(h);SBLOCK,XR(E)::S(A)
- P(j);N_GUARD::QAR1(D)
- R(c);::QAB(D)
- B(k);::S(A)
- B(l);::S(A)
- S(e);::QAB(D)
- Refutation
- K(i);S_FLIGHT,XR(E)
- Try
- Q(D);CHECK,XP(d)
- Vars
- S(b);XQ(D)::S(A)
- Refutation
- Q(a);P_PINP(F),XQ(D)
- Try
- Q(D);CHECK,XP(j)
- Refutation
- K(i);P-FLIGHT,XQ(D)
- Try
- Actual
- Q(D);
- Threat
- S(A)
- Vars
- K(i);S_FLIGHT,XR(E)::S(H)
- S(e);OGATE,XP(F)::QAB(D)
- P(h);SBLOCK,XR(E)::S(A)
- P(j);N_GUARD::QAR1(D)
- B(l);N_GUARD::QAR1(D),XB(l)
- B(l);N_GUARD::QAR1(D)
- S(e);OGATE::QAB(D)
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).