MESON Chess Problem Database
Problem Display
PID: 19089 (7b/2K4p/7N/2NPk2r/2P5/4Pp2/n4P2/4B1Q1 w - - 0 1)
Hirst, CA
Hampshire Post, 1912
#2
9 + 6
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qg5#
- 1...Rh2
- 2.Qg5#
- 1...Rh3
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Rf5
- 2.Sg4#
- 1...Rg5
- 2.Qxg5#
- 1...Rxh6
- 2.Qg5#
- 1...Bf6
- 2.Qg3#
- 1...Bg7
- 2.Qxg7#
- 1...Sc1
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Bc3#
- 1...Rh1
- Tries
- 1.Kd7?
- 1...Rxh6
- 2.Qg5#
- 1...Rh1
- 2.Qg5#
- 1...Rh2
- 2.Qg5#
- 1...Rh3
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Rf5
- 2.Sg4#
- 1...Rg5
- 2.Qxg5#
- 1...Bf6
- 2.Qg3#
- 1...Bg7
- 2.Qxg7#
- 1...Sc1
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Bc3#
- 1...Kf6!
- 1...Rxh6
- 1.Bd2?
- 1...Rxh6
- 2.Qg5#
- 1...Rh1
- 2.Qg5#
- 1...Rh2
- 2.Qg5#
- 1...Rh3
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Rf5
- 2.Sg4#
- 1...Rg5
- 2.Qxg5#
- 1...Bf6
- 2.Qg3#
- 1...Bg7
- 2.Qxg7#
- 1...Sc1
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Bc3#
- 2.Qa1#
- 1...Kf6!
- 1...Rxh6
- 1.Ba5?
- 1...Rxh6
- 2.Qg5#
- 1...Rh1
- 2.Qg5#
- 1...Rh2
- 2.Qg5#
- 1...Rh3
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Rf5
- 2.Sg4#
- 1...Rg5
- 2.Qxg5#
- 1...Bf6
- 2.Qg3#
- 1...Bg7
- 2.Qxg7#
- 1...Sc1
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Qa1#
- 1...Kf6!
- 1...Rxh6
- 1.Qg4?
- threat
- 2.Sd7#
- 2.Qe6#
- 2.Qd4#
- 2.Qf4#
- 1...Rxh6
- 2.Sd7#
- 2.Qf4#
- 2.Qg5#
- 1...Rh4
- 2.Sd7#
- 2.Qf5#
- 2.Qe6#
- 2.Qg5#
- 1...Rf5
- 2.Sd7#
- 2.Qxf5#
- 2.Qd4#
- 1...Kf6!
- threat
- 1.Qg6?
- threat
- 2.Sd3#
- 2.Sd7#
- 2.Sg4#
- 2.Sf7#
- 2.Qd6#
- 2.Qe6#
- 1...Rxh6
- 2.Sd3#
- 2.Sd7#
- 2.Qg5#
- 1...Rh4
- 2.Sd3#
- 2.Sd7#
- 2.Sf7#
- 2.Qf5#
- 2.Qg5#
- 2.Qd6#
- 2.Qe6#
- 1...Rf5
- 2.Sg4#
- 2.Qxf5#
- 2.Qd6#
- 2.Qe6#
- 1...Rg5
- 2.Sd3#
- 2.Sd7#
- 2.Sf7#
- 2.Qxg5#
- 2.Qd6#
- 2.Qe6#
- 1...Bf6
- 2.Sd3#
- 2.Sd7#
- 2.Sg4#
- 2.Sf7#
- 2.Qe4#
- 2.Qg3#
- 1...Sc1
- 2.Sd7#
- 2.Sg4#
- 2.Sf7#
- 2.Bc3#
- 2.Qd6#
- 2.Qe6#
- 1...Sb4
- 2.Sd7#
- 2.Sg4#
- 2.Sf7#
- 2.Bc3#
- 2.Qd6#
- 2.Qe6#
- 1...hxg6!
- threat
- 1.Qg8?
- threat
- 2.Qe6#
- 2.Qxh8#
- 1...Rxh6
- 2.Qg5#
- 1...Rf5
- 2.Sg4#
- 2.Qe6#
- 1...Rg5
- 2.Qe6#
- 2.Qxg5#
- 1...Bf6
- 2.Qe6#
- 2.Qg3#
- 1...Bg7
- 2.Qe6#
- 2.Qxg7#
- 1...Kf6!
- threat
- 1.d6?
- 1...Rxh6
- 2.Qg5#
- 1...Rh1
- 2.Qg5#
- 1...Rh2
- 2.Qg5#
- 1...Rh3
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Rf5
- 2.Sg4#
- 1...Rg5
- 2.Qxg5#
- 1...Bf6
- 2.Qg3#
- 1...Bg7
- 2.Qxg7#
- 1...Sc1
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Sb4
- 2.Bc3#
- 1...Kf6!
- 1...Rxh6
- 1.Kd7?
- Keys
- 1.Bb4!
- 1...Kf6
- 2.Sd7#
- 1...Rxh6
- 2.Qg5#
- 1...Sxb4
- 2.Qa1#
- 1...Rh1
- 2.Qg5#
- 1...Rh2
- 2.Qg5#
- 1...Rh3
- 2.Qg5#
- 1...Rh4
- 2.Qg5#
- 1...Rf5
- 2.Sg4#
- 1...Rg5
- 2.Qxg5#
- 1...Bf6
- 2.Qg3#
- 1...Bg7
- 2.Qxg7#
- 1...Sc1
- 2.Bc3#
- 1...Sc3
- 2.Bxc3#
- 1...Kf6
- 1.Bb4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD::QAR2(B)
- R(d);SBLOCK::S(H)
- R(d);N_GUARD::QAR2(B),XR(d)
- R(d);N_GUARD,XS(H)::QAR2(B)
- B(f);SBLOCK::QAB(B)
- B(f);N_GUARD::QAB(B),XB(f)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- Tries
- Try
- K(I);P-FLIGHT
- Vars
- R(d);N_GUARD,XS(H)::QAR2(B)
- R(d);N_GUARD::QAR2(B)
- R(d);SBLOCK::S(H)
- R(d);N_GUARD::QAR2(B),XR(d)
- B(f);SBLOCK::QAB(B)
- B(f);N_GUARD::QAB(B),XB(f)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- Refutation
- K(c);S_FLIGHT
- Try
- B(A);
- Vars
- R(d);N_GUARD,XS(H)::QAR2(B)
- R(d);N_GUARD::QAR2(B)
- R(d);SBLOCK::S(H)
- R(d);N_GUARD::QAR2(B),XR(d)
- B(f);SBLOCK::QAB(B)
- B(f);N_GUARD::QAB(B),XB(f)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- Refutation
- K(c);S_FLIGHT
- Try
- B(A);
- Vars
- R(d);N_GUARD,XS(H)::QAR2(B)
- R(d);N_GUARD::QAR2(B)
- R(d);SBLOCK::S(H)
- R(d);N_GUARD::QAR2(B),XR(d)
- B(f);SBLOCK::QAB(B)
- B(f);N_GUARD::QAB(B),XB(f)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD::QAB(B)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(B);
- Threat
- DUALS(4)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(B);
- Threat
- DUALS(6)
- Refutation
- P(e);XQ(B)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,XS(H)::QAR2(B)
- Refutation
- K(c);S_FLIGHT
- Try
- P(G);
- Vars
- R(d);N_GUARD,XS(H)::QAR2(B)
- R(d);N_GUARD::QAR2(B)
- R(d);SBLOCK::S(H)
- R(d);N_GUARD::QAR2(B),XR(d)
- B(f);SBLOCK::QAB(B)
- B(f);N_GUARD::QAB(B),XB(f)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- B(A);
- Vars
- K(c);S_FLIGHT::S(F)
- R(d);N_GUARD,XS(H)::QAR2(B)
- S(a);N_GUARD,XB(A)::QAB(B)
- R(d);N_GUARD::QAR2(B)
- R(d);SBLOCK::S(H)
- R(d);N_GUARD::QAR2(B),XR(d)
- B(f);SBLOCK::QAB(B)
- B(f);N_GUARD::QAB(B),XB(f)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
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).