MESON Chess Problem Database
Problem Display
PID: 51101 (2R4Q/3p4/1p2N3/3k1rp1/1KN5/3P4/8/8 w - - 0 1)
Morsch, Gustav
Burnley Express, 1881
#2
6 + 5
SOLUTION
- SOUND
- Sets
- 1...Rf1
- 2.Qe5#
- 1...Rf2
- 2.Qe5#
- 1...Rf3
- 2.Qe5#
- 1...Rf4
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...Rf7
- 2.Qe5#
- 1...Rf8
- 2.Qe5#
- 1...dxe6
- 2.Qd8#
- 1...Rf1
- Tries
- 1.Sf4+?
- 1...Rxf4
- 2.Qe5#
- 1...gxf4!
- 1...Rxf4
- 1.Qf6?
- threat
- 2.Sc7#
- 2.Qxf5#
- 1...dxe6
- 2.Qd8#
- 1...Rf1
- 2.Sc7#
- 2.Qe5#
- 1...Rf2
- 2.Sc7#
- 2.Qe5#
- 1...Rf3
- 2.Sc7#
- 2.Qe5#
- 1...Rf4
- 2.Sc7#
- 2.Qe5#
- 1...Re5
- 2.Qxe5#
- 1...d6
- 2.Se3#
- 2.Sxb6#
- 2.Qxf5#
- 1...Rxf6!
- threat
- 1.Qh7?
- threat
- 2.Qxf5#
- 2.Qxd7#
- 1...dxe6
- 2.Qd7#
- 1...Rf6
- 2.Qe4#
- 2.Qxd7#
- 1...Rf1
- 2.Qe4#
- 2.Qxd7#
- 1...Rf2
- 2.Qe4#
- 2.Qxd7#
- 1...Rf3
- 2.Qe4#
- 2.Qxd7#
- 1...Rf4
- 2.Qxd7#
- 1...Re5
- 2.Qxd7#
- 1...Rf7
- 2.Qe4#
- 1...Rf8
- 2.Qe4#
- 2.Qxd7#
- 1...d6
- 2.Qxf5#
- 1...Kxe6!
- threat
- 1.Sf4+?
- Keys
- 1.Rc6!
- threat
- 2.Rd6#
- 1...Kxc6
- 2.Qa8#
- 1...dxc6
- 2.Sc7#
- 1...d6
- 2.Rxd6#
- threat
- 1.Rc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- R(b);N_GUARD::QAR1(F)
- R(b);N_GUARD,P_PINS(C)::QAR1(F)
- R(b);N_GUARD::QAR1(F),XR(b)
- P(e);OGATEB,SBLOCK,XS(D)::QAR(F)
- Tries
- Try
- S(D);CHECK
- Vars
- R(b);P_PINS(C),XS(D)::QAR1(F)
- Refutation
- P(c);XS(D)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- P(e);OGATEB,SBLOCK,XS(D)::QAR(F)
- R(b);N_GUARD::QAR1(F),XR(b)
- Refutation
- R(b);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- P(e);XS(D)::QAR2(F)
- R(b);P_PINS(C)::QAR2(F),XP(e)
- R(b);::QAR2(F),XP(e)
- R(b);OGATE::QAB1(F)
- P(e);::QAR2(F),XR(b)
- Refutation
- K(a);S_FLIGHT,XS(D)
- Try
- Actual
- R(E);
- Threat
- R1(E)
- Vars
- K(a);OGATEB,S_FLIGHT,XR(E)::QAB(F)
- P(e);SBLOCK,XR(E)::S(D)
- P(e);::R1(E),XP(e)
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).