MESON Chess Problem Database
Problem Display
PID: 68210 (R1n5/RnrPk1K1/8/5P2/8/1B6/3Q4/8 w - - 0 1)
Kipping, Cyril Stanley
Chess, 1949
#2
7 + 4
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.d8Q#
- 1...Rc2
- 2.d8Q#
- 1...Rc3
- 2.d8Q#
- 1...Rc4
- 2.d8Q#
- 1...Rc5
- 2.d8Q#
- 1...Rc6
- 2.d8Q#
- 1...Sa5
- 2.d8Q#
- 1...Sc5
- 2.d8Q#
- 1...Sd8
- 2.f6#
- 1...Sb6
- 2.Re8#
- 2.f6#
- 1...Sxa7
- 2.Re8#
- 2.f6#
- 1...Rc1
- Tries
- 1.Be6?
- 1...Kd8
- 2.Qg5#
- 1...Rxd7
- 2.Qxd7#
- 1...Sxa7
- 2.Re8#
- 1...Rc1
- 2.d8Q#
- 1...Rc2
- 2.d8Q#
- 1...Rc3
- 2.d8Q#
- 1...Rc4
- 2.d8Q#
- 1...Rc5
- 2.d8Q#
- 1...Rc6
- 2.d8Q#
- 1...Sa5
- 2.d8Q#
- 1...Sc5
- 2.d8Q#
- 1...Sbd6
- 2.Qg5#
- 1...Sb6
- 2.Re8#
- 1...Scd6
- 2.Qg5#
- 1...Sd8!
- 1...Kd8
- 1.Rxb7?
- threat
- 2.d8Q#
- 1...Rxd7
- 2.Qxd7#
- 1...Kd8!
- threat
- 1.Rxc8?
- threat
- 2.Re8#
- 2.f6#
- 1...Rxd7
- 2.f6#
- 1...Sd6
- 2.d8Q#
- 1...Rc4
- 2.Re8#
- 2.d8Q#
- 1...Rc6
- 2.Re8#
- 2.d8Q#
- 1...Sd8
- 2.f6#
- 1...Rxc8!
- threat
- 1.dxc8Q?
- threat
- 2.Qe6#
- 2.Qxc7#
- 2.Qe8#
- 2.Qf8#
- 2.f6#
- 1...Sd8
- 2.Qdxd8#
- 2.Qcxd8#
- 1...Rc1
- 2.Qe6#
- 2.Qcd7#
- 2.Qdd7#
- 2.Qdd8#
- 2.Qcd8#
- 2.Qe8#
- 2.Qf8#
- 2.f6#
- 1...Rc2
- 2.Qe6#
- 2.Qcd7#
- 2.Qdd7#
- 2.Qdd8#
- 2.Qcd8#
- 2.Qe8#
- 2.Qf8#
- 2.f6#
- 1...Rc3
- 2.Qe6#
- 2.Qcd7#
- 2.Qdd7#
- 2.Qdd8#
- 2.Qcd8#
- 2.Qe8#
- 2.Qf8#
- 2.f6#
- 1...Rc4
- 2.Qe6#
- 2.Qcd7#
- 2.Qdd7#
- 2.Qdd8#
- 2.Qcd8#
- 2.Qe8#
- 2.Qf8#
- 2.f6#
- 1...Rc5
- 2.Qe6#
- 2.Qcd7#
- 2.Qdd7#
- 2.Qdd8#
- 2.Qxc5#
- 2.Qcd8#
- 2.Qe8#
- 2.Qf8#
- 2.f6#
- 1...Rc6
- 2.Qcd7#
- 2.Qdd7#
- 2.Qdd8#
- 2.Qcd8#
- 2.Qe8#
- 2.Qf8#
- 1...Rd7
- 2.Qcxd7#
- 2.Qdxd7#
- 2.Qe8#
- 2.Qf8#
- 2.f6#
- 1...Sc5
- 2.Qdd8#
- 2.Qcd8#
- 2.Qe8#
- 2.Qf8#
- 2.f6#
- 1...Sd6
- 2.Rxc7#
- 2.Qg5#
- 2.Qe6#
- 2.Qxc7#
- 2.Qd8#
- 2.f6#
- 1...Rxc8!
- threat
- 1.dxc8R?
- threat
- 2.Rxc7#
- 2.Re8#
- 2.f6#
- 1...Sd6
- 2.Raxc7#
- 2.Rcxc7#
- 1...Sd8
- 2.Qxd8#
- 1...Rc1
- 2.Re8#
- 2.Qd8#
- 2.f6#
- 1...Rc2
- 2.Re8#
- 2.Qd8#
- 2.f6#
- 1...Rc3
- 2.Re8#
- 2.Qd8#
- 2.f6#
- 1...Rc4
- 2.Re8#
- 2.Qd8#
- 1...Rc5
- 2.Re8#
- 2.Qd8#
- 2.f6#
- 1...Rc6
- 2.Re8#
- 2.Qd8#
- 1...Rd7
- 2.Re8#
- 2.f6#
- 1...Sc5
- 2.Re8#
- 2.Qd8#
- 2.f6#
- 1...Rxc8!
- threat
- 1.d8R?
- threat
- 2.Qg5#
- 2.f6#
- 1...Rd7
- 2.Qxd7#
- 1...Sbd6
- 2.Qg5#
- 1...Rc4
- 2.Qg5#
- 2.Qd7#
- 1...Rc6
- 2.Qd7#
- 1...Sxd8!
- threat
- 1.Be6?
- Keys
- 1.Ba4!
- 1...Kd8
- 2.Qg5#
- 1...Rxd7
- 2.Qxd7#
- 1...Sxa7
- 2.Re8#
- 1...Rc1
- 2.d8Q#
- 2.d8B#
- 1...Rc2
- 2.d8Q#
- 2.d8B#
- 1...Rc3
- 2.d8Q#
- 2.d8B#
- 1...Rc4
- 2.d8Q#
- 2.d8B#
- 1...Rc5
- 2.d8Q#
- 2.d8B#
- 1...Rc6
- 2.d8Q#
- 1...Sa5
- 2.dxc8S#
- 2.d8Q#
- 2.d8B#
- 1...Sc5
- 2.dxc8S#
- 2.d8Q#
- 2.d8B#
- 1...Sbd6
- 2.Qg5#
- 1...Sd8
- 2.dxc8S#
- 1...Sb6
- 2.Re8#
- 1...Scd6
- 2.Qg5#
- 1...Kd8
- 1.Ba4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 7
- Sets
- R(b);S_CUTS(a)::P=Q
- S(a);N_GUARD::P=Q
- S(a);SBLOCK::P(C)
- Tries
- Try
- B(B);
- Vars
- K(c);P_PINP(E),P_SPINS(d),S_FLIGHT::QAB(A)
- R(b);OGATE,XP(E)::QAR1(A),XR(b)
- S(d);OGATE,XR(D)::R1(G)
- R(b);S_CUTS(a)::P=Q
- S(a);N_GUARD::P=Q
- S(a);SBLOCK::QAB(A)
- S(d);OGATE::R1(G)
- S(d);SBLOCK::QAB(A)
- Refutation
- S(a);
- Try
- R(D);XS(a)
- Threat
- P=Q
- Vars
- R(b);OGATE,P_SPINR(b),XP(E)::QAR1(A),XR(b)
- Refutation
- K(c);P_PINP(E),P_SPINS(d),S_FLIGHT
- Try
- R(G);XS(d)
- Threat
- DUALS(2)
- Vars
- R(b);XP(E)::P(C)
- S(a);N_GUARD::P=Q
- S(a);::P(C)
- Refutation
- R(b);XR(G)
- Try
- P(E);XS(d)
- Threat
- DUALS(5)
- Refutation
- R(b);P_SPINS(a),XQ(E)
- Try
- P(E);XS(d)
- Threat
- DUALS(3)
- Vars
- S(a);N_GUARD,P_SPINR(b)::QAB1(A),XS(a)
- Refutation
- R(b);P_SPINS(a),XR(E)
- Try
- P(E);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD::QAR1(A),XR(b)
- S(a);P_SPINR(b)::QAB(A)
- R(b);N_GUARD,P_SPINS(a)::QAR1(A)
- Refutation
- S(a);P_SPINR(b),XR(E)
- Try
- Actual
- B(B);
- Vars
- K(c);P_PINP(E),P_SPINS(d),S_FLIGHT::QAB(A)
- R(b);OGATE,XP(E)::QAR1(A),XR(b)
- S(d);OGATE,XR(D)::R1(G)
- R(b);S_CUTS(a)::P=Q
- S(a);SBLOCK::QAB(A)
- S(a);S_CUTR(b)::PXS(d)=S
- S(d);OGATE::R1(G)
- S(d);SBLOCK::QAB(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).