MESON Chess Problem Database

Problem Display
PID: 31753 (RN2k1n1/5RP1/1N3rp1/5P2/2r1b2B/2p5/B7/KQ6 w - - 0 1)

Rowland, Frideswide F (Mrs TB, nee Beechey)

The Chess Monthly (Hoffer), 1883

RN2k1n1/5RP1/1N3rp1/5P2/2r1b2B/2p5/B7/KQ6

#2

10 + 7

3467 Chess Blossoms 1883

SOLUTION

  • SOUND
  • Sets
    • 1...Kd8
      • 2.Sc6#
    • 1...Rb4
      • 2.Sc6#
    • 1...Rc5
      • 2.Sc6#
    • 1...Rcc6
      • 2.Sxc6#
    • 1...Rxb6
      • 2.Rf8#
    • 1...Rfc6
      • 2.Rf8#
    • 1...Rd6
      • 2.Rf8#
    • 1...Re6
      • 2.Rf8#
    • 1...Rxf7
      • 2.Sc6#
  • Tries
    • 1.Qxe4+?
      • 1...Kd8
        • 2.Sc6#
        • 2.Rd7#
      • 1...Rxe4
        • 2.Sa6#
        • 2.Sc6#
        • 2.S8d7#
      • 1...Re6
        • 2.Rf8#
      • 1...Se7
        • 2.Qxe7#
        • 2.g8Q#
      • 1...Kxf7!
  • Keys
    • 1.Qb4!
      • threat
        • 2.Qf8#
      • 1...Kxf7
        • 2.Qf8#
      • 1...Kd8
        • 2.Sc6#
        • 2.Qf8#
      • 1...Rxb4
        • 2.Sc6#
      • 1...Rxf7
        • 2.Sc6#
      • 1...Rc5
        • 2.Sc6#
      • 1...Rd6
        • 2.Rf8#
      • 1...Se7
        • 2.Qxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • K(f);P-FLIGHT,P_SPINR(d)::R(I)+S(J),DCHECK
    • R(b);::R(I)+S(J)
    • R(b);::R(I)+S(J),XR(b)
    • R(d);N_GUARD,XS(F)::R1(G)
    • R(d);N_GUARD::R1(G)
    • R(d);SBLOCK,XR(G)::R(I)+S(J)
  • Tries
    • Try
      • Q(B);CHECK,XB(c)
      • Vars
        • R(d);P_SPINR(d)::R1(G)
      • Refutation
        • K(f);P_SPINR(b),S_FLIGHT,XR(G)
  • Actual
    • Q(B);
    • Threat
      • QAR1(B)
    • Vars
      • K(f);P_SPINR(b),S_FLIGHT,XR(G)::QAR1(B)
      • R(b);XQ(B)::R(I)+S(J)
      • R(d);SBLOCK,XR(G)::R(I)+S(J)
      • R(b);::R(I)+S(J)
      • R(d);N_GUARD::R1(G)
      • S(g);N_GUARD::QAR1(B),XS(g)
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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).