MESON Chess Problem Database

Problem Display
PID: 186196 (3qr3/2npr2N/2p4R/1p1kp1Q1/3P2p1/1PnB4/2PR1B2/7K w - - 0 1)

Stanley, Cyril (Kipping, Cyril Stanley)

Chess, 1959

3qr3/2npr2N/2p4R/1p1kp1Q1/3P2p1/1PnB4/2PR1B2/7K

#2

10 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Qxe5#
  • Tries
    • 1.Bc4+?
      • 1...Ke4
        • 2.Qxg4#
      • 1...bxc4!
  • Keys
    • 1.dxe5!
      • threat
        • 2.Rd6#
      • 1...Rxe5
        • 2.Bf5#
      • 1...Rxh7
        • 2.Bxh7#
      • 1...Re6
        • 2.Bg6#
      • 1...Se4
        • 2.Bc4#
      • 1...Se6
        • 2.Sf6#
      • 1...d6
        • 2.e6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(g);S_CUTR(i)::QAR1(H),XP(e)
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • K(d);N_SPINP(e),S_FLIGHT::QAR2(H),XP(b)
      • Refutation
        • P(c);XB(F)
  • Actual
    • P(G);XP(e)
    • Threat
      • R1(I)
    • Vars
      • R(i);P_SPINR(i),SBLOCK,XP(G)::R(C)+B(F)
      • R(i);OGATE,P_PINR(I),XS(J)::R(C)+B(F),XR(i)
      • R(i);SBLOCK::R(C)+B(F)
      • S(a);SBLOCK::R(C)+B(F),DCHECK
      • S(g);SBLOCK::S(J)
      • P(h);SBLOCK::QAR(H)+P(G)
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).