MESON Chess Problem Database

Problem Display
PID: 57457 (8/3n4/k1b1r1R1/p7/8/1R6/1Q3B1K/8 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1944

8/3n4/k1b1r1R1/p7/8/1R6/1Q3B1K/8

#2

5 + 5

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1953

SOLUTION

  • SOUND
  • Sets
    • 1...Re2
      • 2.Qxe2#
    • 1...Bh1
      • 2.Qe2#
    • 1...Bg2
      • 2.Qe2#
    • 1...Bb7
      • 2.Qe2#
    • 1...Ba8
      • 2.Qe2#
  • Tries
    • 1.Rb6+?
      • 1...Sxb6
        • 2.Qxb6#
      • 1...Ka7!
    • 1.Qe2+?
      • 1...Bb5
        • 2.Qxb5#
      • 1...Rxe2!
  • Keys
    • 1.Rb7!
      • threat
        • 2.Ra7#
      • 1...Bxb7
        • 2.Qe2#
      • 1...Sb6
        • 2.Qxb6#
      • 1...Re3
        • 2.Qb5#
      • 1...Sc5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(d);N_GUARD,P_PINB(B),P_SPINB(c)::QAB(A),XR(d)
    • B(c);N_GUARD,P_SPINR(d)::QAB(A)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • S(e);OGATE,XR(D)::QAR1(A),XS(e)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • B(c);N_GUARD,P_SPINB(c),P_SPINR(d)::QAB1(A),XB(c)
      • Refutation
        • R(d);P_PINB(B),P_SPINB(c),XQ(A)
  • Actual
    • R(D);
    • Threat
      • R1(D)
    • Vars
      • B(c);N_GUARD,P_SPINR(d),SBLOCK,XR(D)::QAB(A)
      • S(e);N_GUARD::QAR1(A),XS(e)
      • R(d);P_SPINB(c)::QAB1(A)
      • S(e);N_GUARD::QAR1(A)
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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).