MESON Chess Problem Database
Problem Display
PID: 11517 (3n4/8/pK1p2p1/Pp1k1pN1/1P3P2/1PQ1P3/4P3/3r4 w - - 0 1)
Rains, Cyril George
Chess, 1939
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rb1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rc1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Re1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rf1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rg1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rh1
- 2.Qd2#
- 2.Qd4#
- 2.Qd3#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Qxd3#
- 1...Rd4
- 2.Qxd4#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 1...Sb7
- 2.Qc6#
- 1...Sf7
- 2.Qc6#
- 1...Ra1
- Tries
- 1.Qc2?
- threat
- 2.Qxd1#
- 1...Ra1
- 2.Qd3#
- 2.Qd2#
- 1...Rb1
- 2.Qd3#
- 2.Qd2#
- 1...Rc1
- 2.Qd3#
- 2.Qd2#
- 1...Re1
- 2.Qd3#
- 2.Qd2#
- 1...Rf1
- 2.Qd3#
- 2.Qd2#
- 1...Rg1
- 2.Qd3#
- 2.Qd2#
- 1...Rh1
- 2.Qd3#
- 2.Qd2#
- 1...Rd2
- 2.Qxd2#
- 1...Rd3
- 2.Qxd3#
- 1...Sc6
- 2.Qxc6#
- 1...Se6
- 2.Qc6#
- 1...Rd4!
- threat
- 1.Qc2?
- Keys
- 1.Qh8!
- 1...Ra1
- 2.Qd4#
- 1...Rb1
- 2.Qd4#
- 1...Rc1
- 2.Qd4#
- 1...Re1
- 2.Qd4#
- 1...Rf1
- 2.Qd4#
- 1...Rg1
- 2.Qd4#
- 1...Rh1
- 2.Qd4#
- 2.Qxh1#
- 1...Rd2
- 2.Qh1#
- 1...Rd3
- 2.Qh1#
- 1...Rd4
- 2.Qxd4#
- 1...Sc6
- 2.Qg8#
- 1...Se6
- 2.Qa8#
- 1...Sb7
- 2.Qg8#
- 1...Sf7
- 2.Qa8#
- 1...Ra1
- 1.Qh8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 6
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(a);N_GUARD::QAR(C),XR(a)
- R(a);N_GUARD::QAR2(C),XR(a)
- R(a);N_GUARD::QAR1(C),XR(a)
- S(h);N_GUARD::QAB1(C),XS(h)
- S(h);N_GUARD::QAB1(C)
- Tries
- Try
- Q(C);
- Threat
- QAR(C),XR(a)
- Vars
- R(a);N_GUARD::QAR(C),XR(a)
- R(a);N_GUARD::QAR2(C),XR(a)
- S(h);N_GUARD::QAB1(C),XS(h)
- S(h);N_GUARD::QAB1(C)
- Refutation
- R(a);
- Try
- Actual
- Q(C);
- Vars
- R(a);N_GUARD::QAR1(C)
- R(a);N_GUARD::QAB(C)
- R(a);N_GUARD::QAR1(C),XR(a)
- S(h);N_GUARD::QAB(C)
- S(h);OGATE::QAB(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).