MESON Chess Problem Database

Problem Display
PID: 70258 (B7/Q7/3p3r/Bpp2N2/2k1n1nR/1q2p3/2P1N1K1/bR6 w - - 0 1)

Kipping, Cyril Stanley

Chess, 1950

B7/Q7/3p3r/Bpp2N2/2k1n1nR/1q2p3/2P1N1K1/bR6

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3
      • 2.Sxe3#
    • 1...Sef6
      • 2.Sxd6#
    • 1...Sgf6
      • 2.Sxd6#
    • 1...b4
      • 2.Qa6#
  • Tries
    • 1.Qf7+?
      • 1...d5
        • 2.Bxd5#
        • 2.Qxd5#
      • 1...Re6!
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qd5#
      • 1...Qd3
        • 2.Qxb5#
      • 1...Sc3
        • 2.Sxe3#
      • 1...Sef6
        • 2.Sxd6#
      • 1...Sgf6
        • 2.Sxd6#
      • 1...b4
        • 2.Qa6#
      • 1...d5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(e);P_SPINS(f),S_CUTQ(b)::S(G),XP(c)
    • S(e);N_GUARD,P_SPINS(f),S_CUTR(j)::S(G),XP(i)
    • S(f);P_SPINS(e),S_CUTR(j)::S(G),XP(i)
    • P(g);OGATEB::QAB(H)
  • Tries
    • Try
      • Q(H);CHECK
      • Refutation
        • R(j);P_SPINR(j)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • Q(b);N_GUARD::QAB1(H),XP(g)
      • S(e);P_SPINS(f),S_CUTQ(b)::S(G),XP(c)
      • S(e);N_GUARD,P_SPINS(f),S_CUTR(j)::S(G),XP(i)
      • S(f);P_SPINS(e),S_CUTR(j)::S(G),XP(i)
      • P(g);OGATEB::QAB(H)
      • P(i);::QAB1(H),XP(i)
HTML5 logo

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).