MESON Chess Problem Database

Problem Display
PID: 57459 (BB1n4/p7/kp3q1R/8/1P2N2p/N7/6n1/Q2R1b1K w - - 0 1)

Kipping, Cyril Stanley

Chess, 1945

BB1n4/p7/kp3q1R/8/1P2N2p/N7/6n1/Q2R1b1K

#2

9 + 8

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1953

SOLUTION

  • SOUND
  • Sets
    • 1...Qxa1
      • 2.Sc5#
    • 1...Qb2
      • 2.Sc5#
    • 1...Qg7
      • 2.Sc5#
    • 1...Qh8
      • 2.Sc5#
    • 1...Qf3
      • 2.Sc5#
    • 1...Qf4
      • 2.Sc5#
    • 1...Qf7
      • 2.Sc5#
    • 1...b5
      • 2.Sc4#
  • Tries
    • 1.Sb5+?
      • 1...Qxa1
        • 2.Sc7#
      • 1...Kxb5!
  • Keys
    • 1.Rd7!
      • threat
        • 2.Rxa7#
      • 1...b5
        • 2.Sc4#
      • 1...Qe7
        • 2.Qxf1#
      • 1...Qg7
        • 2.Sc5#
        • 2.Qxf1#
      • 1...Qf7
        • 2.Sc5#
      • 1...Sc6
        • 2.Bb7#
      • 1...Sb7
        • 2.Bxb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • Q(f);P_SPINP(e),XQ(A)::S(F)
    • Q(f);P_SPINP(e)::S(F)
    • P(e);P_SPINQ(f),SBLOCK::QAR(A)+S(D)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • Q(f);P_SPINP(e),XQ(A)::S(D)
      • Refutation
        • K(d);S_FLIGHT,XS(D)
  • Actual
    • R(B);
    • Threat
      • R1(B),XP(g)
    • Vars
      • P(e);P_SPINQ(f),SBLOCK::QAR(A)+S(D)
      • Q(f);N_GUARD,P_SPINP(e)::QAB(A),XB(a)
      • Q(f);P_SPINP(e)::S(F)
      • S(h);N_GUARD::B(H)
      • S(h);N_GUARD::B(H),XS(h)
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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).