MESON Chess Problem Database
Problem Display
PID: 51016 (4K3/3P3N/3r4/2QPkp2/4p2R/1B6/8/3n4 w - - 0 1)
Rayner, James
Wharfedale and Airedale Observer, 1888
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Rxd5
- 2.Qxd5#
- 1...Ra6
- 2.d6#
- 1...Rb6
- 2.d6#
- 1...Rc6
- 2.dxc6#
- 1...Re6+
- 2.dxe6#
- 1...Rf6
- 2.d6#
- 1...Rg6
- 2.d6#
- 1...Rh6
- 2.d6#
- 1...Rxd7
- 2.d6#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...e3
- 2.Qd4#
- 1...f4
- 2.Rh5#
- 1...Rxd5
- Tries
- 1.Ke7?
- 1...Re6+
- 2.dxe6#
- 1...Rxd5
- 2.Qxd5#
- 1...f4
- 2.Rh5#
- 1...Ra6
- 2.d6#
- 1...Rb6
- 2.d6#
- 1...Rc6
- 2.dxc6#
- 1...Rf6
- 2.d6#
- 1...Rg6
- 2.d6#
- 1...Rh6
- 2.d6#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...e3
- 2.Qd4#
- 2.Qxd6#
- 1...Rxd7+!
- 1...Re6+
- 1.Kd8?
- 1...Rxd5
- 2.Qxd5#
- 1...f4
- 2.Rh5#
- 1...Ra6
- 2.d6#
- 1...Rb6
- 2.d6#
- 1...Rc6
- 2.dxc6#
- 1...Re6
- 2.dxe6#
- 2.d6#
- 1...Rf6
- 2.d6#
- 1...Rg6
- 2.d6#
- 1...Rh6
- 2.d6#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...e3
- 2.Qd4#
- 1...Rxd7+!
- 1...Rxd5
- 1.Kf8?
- 1...Rxd5
- 2.Qxd5#
- 1...Rxd7
- 2.d6#
- 1...f4
- 2.Rh5#
- 1...Ra6
- 2.d6#
- 1...Rb6
- 2.d6#
- 1...Rc6
- 2.dxc6#
- 1...Re6
- 2.dxe6#
- 2.d6#
- 1...Rg6
- 2.d6#
- 1...Rh6
- 2.d6#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...e3
- 2.Qd4#
- 1...Rf6+!
- 1...Rxd5
- 1.Rg4?
- 1...Re6+
- 2.dxe6#
- 1...Rxd5
- 2.Qxd5#
- 1...Rxd7
- 2.d6#
- 1...f4
- 2.Rg5#
- 1...Ra6
- 2.d6#
- 1...Rb6
- 2.d6#
- 1...Rc6
- 2.dxc6#
- 1...Rf6
- 2.d6#
- 1...Rg6
- 2.d6#
- 1...Rh6
- 2.d6#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...e3
- 2.Qd4#
- 1...fxg4!
- 1...Re6+
- 1.d8Q?
- threat
- 2.Qdxd6#
- 1...Re6+
- 2.dxe6#
- 1...Rxd5
- 2.Qf6#
- 2.Qde7#
- 2.Qcxd5#
- 2.Qdxd5#
- 2.Qdd6#
- 1...f4
- 2.Rh5#
- 2.Qg5#
- 1...Ra6
- 2.d6#
- 1...Rb6
- 2.d6#
- 1...Rc6
- 2.dxc6#
- 1...Rf6
- 2.Qxf6#
- 2.d6#
- 1...Rg6
- 2.d6#
- 1...Rh6
- 2.d6#
- 1...Rd7
- 2.Qf6#
- 2.d6#
- 1...Rxd8+!
- threat
- 1.d8S?
- threat
- 2.Sf7#
- 1...Re6+
- 2.dxe6#
- 1...Rxd5
- 2.Qxd5#
- 1...f4
- 2.Rh5#
- 1...Rf6
- 2.d6#
- 1...Rd7
- 2.Sc6#
- 2.d6#
- 1...Rxd8+!
- threat
- 1.d8B?
- 1...Re6+
- 2.dxe6#
- 1...Rxd5
- 2.Qxd5#
- 1...f4
- 2.Rh5#
- 1...Ra6
- 2.d6#
- 1...Rb6
- 2.d6#
- 1...Rc6
- 2.dxc6#
- 1...Rf6
- 2.Bxf6#
- 2.d6#
- 1...Rg6
- 2.d6#
- 1...Rh6
- 2.d6#
- 1...Rd7
- 2.Bf6#
- 2.d6#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...e3
- 2.Qd4#
- 1...Rxd8+!
- 1...Re6+
- 1.d8R?
- 1...Re6+
- 2.dxe6#
- 1...Rxd5
- 2.Qxd5#
- 1...f4
- 2.Rh5#
- 1...Ra6
- 2.d6#
- 1...Rb6
- 2.d6#
- 1...Rc6
- 2.dxc6#
- 1...Rf6
- 2.d6#
- 1...Rg6
- 2.d6#
- 1...Rh6
- 2.d6#
- 1...Rd7
- 2.d6#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...e3
- 2.Qd4#
- 2.Qxd6#
- 1...Rxd8+!
- 1...Re6+
- 1.Ke7?
- Keys
- 1.Ba2!
- 1...Re6+
- 2.dxe6#
- 1...Rxd5
- 2.Qxd5#
- 1...Rxd7
- 2.d6#
- 1...f4
- 2.Rh5#
- 1...Ra6
- 2.d6#
- 1...Rb6
- 2.d6#
- 1...Rc6
- 2.dxc6#
- 1...Rf6
- 2.d6#
- 1...Rg6
- 2.d6#
- 1...Rh6
- 2.d6#
- 1...Sb2
- 2.Qc3#
- 1...Sf2
- 2.Qc3#
- 1...Sc3
- 2.Qxc3#
- 1...Se3
- 2.Qc3#
- 1...e3
- 2.Qd4#
- 1...Re6+
- 1.Ba2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(e);OGATE,P_SPINR(e),XP(D)::QAR1(C),XR(e)
- R(e);OGATE::QAR(C)+P(D)
- R(e);OGATE::QAR(C)+P(D),XR(e)
- R(e);CHECK,OGATE::QAR(C)+P(D),XR(e)
- R(e);OGATE,XP(E)::QAR(C)+P(D)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- P(b);::QAB1(C)
- P(d);OGATEB,SBLOCK::R(B)
- Tries
- Try
- K(G);P-FLIGHT
- Vars
- R(e);CHECK,OGATE::QAR(C)+P(D),XR(e)
- R(e);OGATE,P_SPINR(e),XP(D)::QAR1(C),XR(e)
- P(d);OGATEB,SBLOCK::R(B)
- R(e);OGATE::QAR(C)+P(D)
- R(e);OGATE::QAR(C)+P(D),XR(e)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- Refutation
- R(e);CHECK,XP(E)
- Try
- K(G);P-FLIGHT,P_SPINP(E)
- Vars
- R(e);OGATE,P_SPINR(e),XP(D)::QAR1(C),XR(e)
- P(d);OGATEB,SBLOCK::R(B)
- R(e);N_PINP(E),OGATE::QAR(C)+P(D)
- R(e);N_PINP(E),OGATE::QAR(C)+P(D),XR(e)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- P(b);::QAB1(C)
- Refutation
- R(e);CHECK,XP(E)
- Try
- K(G);P-FLIGHT
- Vars
- R(e);OGATE,P_SPINR(e),XP(D)::QAR1(C),XR(e)
- R(e);OGATE,XP(E)::QAR(C)+P(D)
- P(d);OGATEB,SBLOCK::R(B)
- R(e);OGATE::QAR(C)+P(D)
- R(e);OGATE::QAR(C)+P(D),XR(e)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- P(b);::QAB1(C)
- Refutation
- R(e);CHECK
- Try
- R(B);
- Vars
- R(e);CHECK,OGATE::QAR(C)+P(D),XR(e)
- R(e);OGATE,P_SPINR(e),XP(D)::QAR1(C),XR(e)
- R(e);OGATE,XP(E)::QAR(C)+P(D)
- P(d);OGATEB,SBLOCK::R(B)
- R(e);OGATE::QAR(C)+P(D)
- R(e);OGATE::QAR(C)+P(D),XR(e)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- P(b);::QAB1(C)
- Refutation
- P(d);XR(B)
- Try
- P(E);
- Threat
- QAB1(E),XR(e)
- Vars
- R(e);CHECK,OGATE::QAR(C)+P(D),XR(e)
- R(e);OGATE::QAR(C)+P(D)
- R(e);OGATE::QAR(C)+P(D),XR(e)
- Refutation
- R(e);CHECK,XQ(E)
- Try
- P(E);
- Threat
- S(E)
- Vars
- R(e);CHECK,OGATE::QAR(C)+P(D),XR(e)
- R(e);OGATE,P_SPINR(e),XP(D)::QAR1(C),XR(e)
- P(d);OGATEB,SBLOCK::R(B)
- R(e);OGATE::QAR(C)+P(D)
- Refutation
- R(e);CHECK,XS(E)
- Try
- P(E);
- Vars
- R(e);CHECK,OGATE::QAR(C)+P(D),XR(e)
- R(e);OGATE,P_SPINR(e),XP(D)::QAR1(C),XR(e)
- P(d);OGATEB,SBLOCK::R(B)
- R(e);OGATE::QAR(C)+P(D)
- R(e);OGATE::QAR(C)+P(D),XR(e)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- P(b);::QAB1(C)
- Refutation
- R(e);CHECK,XB(E)
- Try
- P(E);
- Vars
- R(e);CHECK,OGATE::QAR(C)+P(D),XR(e)
- R(e);OGATE,P_SPINR(e),XP(D)::QAR1(C),XR(e)
- P(d);OGATEB,SBLOCK::R(B)
- R(e);OGATE::QAR(C)+P(D)
- R(e);OGATE::QAR(C)+P(D),XR(e)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- Refutation
- R(e);CHECK,XR(E)
- Try
- Actual
- B(A);
- Vars
- R(e);CHECK,OGATE::QAR(C)+P(D),XR(e)
- R(e);OGATE,P_SPINR(e),XP(D)::QAR1(C),XR(e)
- R(e);OGATE,XP(E)::QAR(C)+P(D)
- P(d);OGATEB,SBLOCK::R(B)
- R(e);OGATE::QAR(C)+P(D)
- R(e);OGATE::QAR(C)+P(D),XR(e)
- S(a);N_GUARD::QAB(C)
- S(a);N_GUARD::QAB(C),XS(a)
- P(b);::QAB1(C)
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).