MESON Chess Problem Database

Problem Display
PID: 186608 (4n1b1/N2Bp2p/R7/P2k1rnQ/NR3b1q/5p1r/KBP2P2/8 w - - 0 1)

Stanley, Cyril (Kipping, Cyril Stanley)

Chess, 1959

4n1b1/N2Bp2p/R7/P2k1rnQ/NR3b1q/5p1r/KBP2P2/8

#2

11 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Rd4#
    • 1...Rf7
      • 2.Be6#
    • 1...Se4
      • 2.c4#
    • 1...Sf7
      • 2.Be6#
  • Tries
    • 1.Rb5+?
      • 1...Kc4
        • 2.Sb6#
      • 1...Ke4+!
  • Keys
    • 1.Sc8!
      • threat
        • 2.Sxe7#
      • 1...Re5
        • 2.Rd4#
      • 1...Rf7
        • 2.Be6#
      • 1...Bd6
        • 2.Scb6#
      • 1...Se4
        • 2.c4#
      • 1...Se6
        • 2.Bc6#
      • 1...Sf7
        • 2.Be6#
      • 1...e5
        • 2.Se7#
      • 1...e6
        • 2.Se7#
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(f);SBLOCK::R1(F)
    • R(f);P_SPINS(g),S_CUTB(k)::B(K)
    • S(g);P_SPINR(f),SBLOCK::P(C)
    • S(g);N_GUARD,P_SPINR(f),S_CUTB(k)::B(K)
  • Tries
    • Try
      • R(F);CHECK
      • Vars
        • K(e);S_FLIGHT::S(E)
      • Refutation
        • K(e);CHECK,S_FLIGHT
  • Actual
    • S(J);
    • Threat
      • S(J),XP(h)
    • Vars
      • R(f);SBLOCK::R1(F)
      • R(f);P_SPINS(g),S_CUTB(k)::B(K)
      • B(c);SBLOCK::S(J)
      • S(g);P_SPINR(f),SBLOCK::P(C)
      • S(g);P_SPINR(f),SBLOCK::B(K)
      • S(g);N_GUARD,P_SPINR(f),S_CUTB(k)::B(K)
      • P(h);::S(J)
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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).