MESON Chess Problem Database

Problem Display
PID: 183423 (3nN3/2B1n3/2N5/2k1b1rR/K1P5/2pP4/8/3R3Q w - - 0 1)

Kipping, Cyril Stanley

The Problemist, 1943

3nN3/2B1n3/2N5/2k1b1rR/K1P5/2pP4/8/3R3Q

#2

9 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sd5
      • 2.Qxd5#
    • 1...Sf5
      • 2.Qd5#
    • 1...Sexc6
      • 2.Qd5#
    • 1...Sg6
      • 2.Qd5#
    • 1...Sc8
      • 2.Qd5#
    • 1...Sg8
      • 2.Qd5#
  • Tries
    • 1.Rb1?
      • threat
        • 2.Bb6#
        • 2.Rb5#
      • 1...Bxc7
        • 2.Rb5#
      • 1...Sexc6
        • 2.Bb6#
        • 2.Qd5#
      • 1...Sdxc6
        • 2.Bb6#
      • 1...Sd5
        • 2.Qxd5#
      • 1...Sc8
        • 2.Rb5#
        • 2.Qd5#
      • 1...Rg2!
    • 1.d4+?
      • 1...Kxc4
        • 2.Sa5#
      • 1...Bxd4!
  • Keys
    • 1.Sa5!
      • threat
        • 2.Sb3#
      • 1...Kd4
        • 2.Bb6#
      • 1...Bxc7
        • 2.Qg1#
      • 1...Rg2
        • 2.d4#
      • 1...Sd5
        • 2.Qxd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • S(e);N_GUARD::QAR1(B),XS(e)
    • S(e);N_GUARD::QAR1(B)
    • S(e);N_GUARD,XS(G)::QAR1(B)
  • Tries
    • Try
      • R(A);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);P_SPINR(d),XB(H)::R1(A)
        • S(f);XS(G)::B(H)
        • S(e);N_GUARD::QAR1(B),XS(e)
      • Refutation
        • R(d);P_SPINB(c)
    • Try
      • P(C);CHECK
      • Vars
        • K(b);P-FLIGHT,XP(E)::S(G)
      • Refutation
        • B(c);P_SPINR(d),XP(C)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(b);S_FLIGHT::B(H)
      • B(c);N_GUARD,P_SPINR(d),XB(H)::QAB(B)
      • R(d);P_SPINB(c)::P(C)
      • S(e);N_GUARD::QAR1(B),XS(e)
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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).