MESON Chess Problem Database

Problem Display
PID: 63094 (n7/n5K1/BR3N2/p1k1p3/p5R1/2r5/1Qb4b/8 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1944

n7/n5K1/BR3N2/p1k1p3/p5R1/2r5/1Qb4b/8

#2

6 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Rc4#
    • 1...Rd3
      • 2.Rc4#
    • 1...Re3
      • 2.Rc4#
    • 1...Rf3
      • 2.Rc4#
    • 1...Rh3
      • 2.Rc4#
    • 1...Rc4
      • 2.Rxc4#
    • 1...Bd3
      • 2.Qf2#
    • 1...Sb5
      • 2.Qxb5#
    • 1...Sc8
      • 2.Qb5#
  • Keys
    • 1.Re6!
      • threat
        • 2.Qxc3#
      • 1...Ra3
        • 2.Rc4#
        • 2.Qxa3#
      • 1...Rb3
        • 2.Rc4#
      • 1...Rd3
        • 2.Rc4#
      • 1...Re3
        • 2.Rc4#
      • 1...Rf3
        • 2.Rc4#
      • 1...Rg3
        • 2.Qxe5#
      • 1...Rh3
        • 2.Rc4#
      • 1...Rc4
        • 2.Rxc4#
      • 1...Bb3
        • 2.Qa3#
      • 1...Bd3
        • 2.Qf2#
      • 1...Sb5
        • 2.Qxb5#
      • 1...Sc6
        • 2.Qb5#
      • 1...Sb6
        • 2.Qxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD::R1(B)
    • R(c);N_GUARD::R1(B),XR(c)
    • B(a);OGATE::QAB(A)
    • S(h);N_GUARD::QAR1(A),XS(h)
    • S(h);N_GUARD::QAR1(A)
  • Actual
    • R(D);
    • Threat
      • QAR2(A),XR(c)
    • Vars
      • R(c);N_GUARD::R1(B)
      • R(c);OGATE,P_PINR(B)::QAR2(A),XP(g)
      • R(c);N_GUARD::R1(B),XR(c)
      • B(a);S_CUTR(c)::QAB(A)
      • B(a);OGATE::QAB(A)
      • S(h);N_GUARD::QAR1(A),XS(h)
      • S(h);N_GUARD::QAR1(A)
      • S(i);N_GUARD::QAB1(A),XS(i)
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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).