MESON Chess Problem Database
Problem Display
PID: 161285 (1B5K/2p5/2nR2B1/4k3/8/3Q4/3N3b/8 w - - 0 1)
Planck, Charles
Brighton Guardian, 1881
#2
6 + 4
| 15351 | SCPF/BCPS Black Books | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Bg1
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Sf3#
- 2.Sc4#
- 2.Qd5#
- 1...Sb4
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Sa5
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sxb8
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...cxd6
- 2.Qxd6#
- 1...Bg1
- Tries
- 1.Kg7?
- 1...Sxb8
- 2.Qd4#
- 1...cxd6
- 2.Qe4#
- 2.Qxd6#
- 1...Sd4
- 2.Qxd4#
- 1...Bg1
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Sf3#
- 2.Sc4#
- 2.Qd5#
- 1...Sb4
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Kf4!
- 1...Sxb8
- 1.Kh7?
- 1...Sxb8
- 2.Qd4#
- 1...cxd6
- 2.Qxd6#
- 1...Sd4
- 2.Qxd4#
- 1...Bg1
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Sf3#
- 2.Sc4#
- 2.Qd5#
- 1...Sb4
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Kf4!
- 1...Sxb8
- 1.Sb1?
- 1...Sxb8
- 2.Qd4#
- 1...cxd6
- 2.Qxd6#
- 1...Sd4
- 2.Qxd4#
- 1...Bg1
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qd5#
- 1...Sb4
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Kf4!
- 1...Sxb8
- 1.Sb3?
- 1...Sxb8
- 2.Qd4#
- 1...cxd6
- 2.Qf5#
- 2.Qxd6#
- 1...Sd4
- 2.Qxd4#
- 1...Bg1
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qd5#
- 1...Sb4
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Kf4!
- 1...Sxb8
- 1.Bh7?
- 1...Sxb8
- 2.Qd4#
- 1...cxd6
- 2.Qxd6#
- 1...Sd4
- 2.Qxd4#
- 1...Bg1
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Sf3#
- 2.Sc4#
- 2.Qd5#
- 1...Sb4
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Kf4!
- 1...Sxb8
- 1.Ba7?
- 1...Sxa7
- 2.Qd4#
- 1...cxd6
- 2.Qf5#
- 1...Sd4
- 2.Qxd4#
- 1...Bg1
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Sf3#
- 2.Sc4#
- 2.Qd5#
- 1...Sb4
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sb8
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Kf4!
- 1...Sxa7
- 1.Bxc7?
- threat
- 2.Rxc6#
- 2.Qe4#
- 2.Qf5#
- 2.Qe3#
- 1...Bg1
- 2.Rxc6#
- 2.Qe4#
- 2.Qf5#
- 2.Qg3#
- 1...Bf4
- 2.Sf3#
- 2.Sc4#
- 2.Rxc6#
- 2.Qe4#
- 2.Qb5#
- 2.Qf5#
- 2.Qd5#
- 1...Sb4
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Qe4#
- 2.Qf5#
- 2.Qe3#
- 2.Qd4#
- 1...Sd4
- 2.Qe4#
- 2.Qe3#
- 2.Qxd4#
- 1...Sa5
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Qe4#
- 2.Qf5#
- 2.Qe3#
- 2.Qd4#
- 1...Sa7
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Qe4#
- 2.Qf5#
- 2.Qe3#
- 2.Qd4#
- 1...Se7
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Qe4#
- 2.Qe3#
- 2.Qd4#
- 1...Sb8
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Qe4#
- 2.Qf5#
- 2.Qe3#
- 2.Qd4#
- 1...Sd8
- 2.Ra6#
- 2.Rb6#
- 2.Rc6#
- 2.Qe4#
- 2.Qf5#
- 2.Qe3#
- 2.Qd4#
- 1...Kf4!
- threat
- 1.Kg7?
- Keys
- 1.Sf1!
- 1...Kf4
- 2.Qf5#
- 1...Sxb8
- 2.Qd4#
- 1...cxd6
- 2.Qxd6#
- 1...Sd4
- 2.Qxd4#
- 1...Bg1
- 2.Qg3#
- 1...Bg3
- 2.Qxg3#
- 1...Bf4
- 2.Qd5#
- 1...Sb4
- 2.Qd4#
- 1...Sa5
- 2.Qd4#
- 1...Sa7
- 2.Qd4#
- 1...Se7
- 2.Qd4#
- 1...Sd8
- 2.Qd4#
- 1...Kf4
- 1.Sf1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- S(c);N_GUARD::QAB1(B)
- S(c);N_GUARD::QAB1(B),XS(c)
- S(c);N_GUARD,XB(E)::QAB1(B)
- P(d);OGATE,P_SPINP(d),XR(C)::QAB1(B),XP(d)
- Tries
- Try
- K(F);S_FLIGHT
- Vars
- S(c);N_GUARD,XB(E)::QAB1(B)
- S(c);N_GUARD::QAB1(B),XS(c)
- B(a);N_GUARD::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- S(c);N_GUARD::QAB1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- K(F);P-FLIGHT
- Vars
- S(c);N_GUARD,XB(E)::QAB1(B)
- P(d);OGATE,P_SPINP(d),XR(C)::QAB1(B),XP(d)
- S(c);N_GUARD::QAB1(B),XS(c)
- B(a);N_GUARD::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- S(c);N_GUARD::QAB1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- S(A);
- Vars
- S(c);N_GUARD,XB(E)::QAB1(B)
- P(d);OGATE,P_SPINP(d),XR(C)::QAB1(B),XP(d)
- S(c);N_GUARD::QAB1(B),XS(c)
- B(a);N_GUARD::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);SBLOCK::QAR1(B)
- S(c);N_GUARD::QAB1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- S(A);
- Vars
- S(c);N_GUARD,XB(E)::QAB1(B)
- S(c);N_GUARD::QAB1(B),XS(c)
- B(a);N_GUARD::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);SBLOCK::QAR1(B)
- S(c);N_GUARD::QAB1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- B(D);
- Vars
- S(c);N_GUARD,XB(E)::QAB1(B)
- P(d);OGATE,P_SPINP(d),XR(C)::QAB1(B),XP(d)
- S(c);N_GUARD::QAB1(B),XS(c)
- B(a);N_GUARD::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- S(c);N_GUARD::QAB1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- B(E);
- Vars
- S(c);N_GUARD,XB(E)::QAB1(B)
- P(d);SBLOCK,XR(C)::QAR1(B)
- S(c);N_GUARD::QAB1(B),XS(c)
- B(a);N_GUARD::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- S(c);N_GUARD::QAB1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- B(E);XP(d)
- Threat
- DUALS(4)
- Refutation
- K(b);S_FLIGHT
- Try
- Actual
- S(A);
- Vars
- K(b);S_FLIGHT::QAR1(B)
- S(c);N_GUARD,XB(E)::QAB1(B)
- P(d);OGATE,P_SPINP(d),XR(C)::QAB1(B),XP(d)
- S(c);N_GUARD::QAB1(B),XS(c)
- B(a);N_GUARD::QAB(B)
- B(a);N_GUARD::QAB(B),XB(a)
- B(a);SBLOCK::QAR1(B)
- S(c);N_GUARD::QAB1(B)
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).