MESON Chess Problem Database

Problem Display
PID: 186722 (2KB4/8/3prP2/3k2NQ/R3N3/8/2B5/8 w - - 0 1)

Stanley, Cyril (Kipping, Cyril Stanley)

Chess, 1960

2KB4/8/3prP2/3k2NQ/R3N3/8/2B5/8

#2

8 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Sh3#
  • Tries
    • 1.Sc3+?
      • 1...Ke5
        • 2.Sf3#
        • 2.Sh3#
        • 2.Sf7#
        • 2.Sh7#
        • 2.Qe2#
        • 2.Qh2#
      • 1...Kc6
        • 2.Rc4#
      • 1...Kc5!
    • 1.Sf3+?
      • 1...Kc6
        • 2.Sd4#
        • 2.Rc4#
        • 2.Ra6#
      • 1...Re5!
    • 1.Sh3+?
      • 1...Kc6
        • 2.Rc4#
        • 2.Ra6#
      • 1...Re5!
    • 1.Sxe6+?
      • 1...Kc6
        • 2.Sd4#
        • 2.Rc4#
        • 2.Ra6#
      • 1...Kxe6!
    • 1.Sf7+?
      • 1...Kc6
        • 2.Rc4#
        • 2.Ra6#
      • 1...Re5!
    • 1.Sh7+?
      • 1...Kc6
        • 2.Rc4#
        • 2.Ra6#
      • 1...Re5!
    • 1.Bb3+?
      • 1...Ke5
        • 2.Sh3#
        • 2.Sxe6#
      • 1...Kc6!
    • 1.Qf7?
      • 1...Kc6
        • 2.Qb7#
      • 1...Ke5!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qb5#
      • 1...Ke5
        • 2.Sc3#
      • 1...Kc6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);P-FLIGHT::QAR(E)+S(D)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(a);S_FLIGHT::R(B)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(D);CHECK
      • Refutation
        • R(c);P_SPINR(c)
    • Try
      • S(D);CHECK
      • Refutation
        • R(c);P_SPINR(c)
    • Try
      • S(D);CHECK,XR(c)
      • Refutation
        • K(a);S_FLIGHT,XS(D)
    • Try
      • S(D);CHECK
      • Refutation
        • R(c);P_SPINR(c)
    • Try
      • S(D);CHECK
      • Refutation
        • R(c);P_SPINR(c)
    • Try
      • B(A);CHECK
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);P_PINR(c)
      • Vars
        • K(a);N_SPINR(c),S_FLIGHT::QAB1(E)
      • Refutation
        • K(a);N_SPINR(c),P-FLIGHT
  • Actual
    • Q(E);
    • Threat
      • QAR2(E)
    • Vars
      • K(a);P-FLIGHT::QAR(E)+S(C)
      • K(a);S_FLIGHT::QAR2(E)
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).