MESON Chess Problem Database

Problem Display
PID: 72266 (3b4/3Bp3/1p2R1p1/1r1kp3/2prN1K1/2q1B3/5P2/3R3Q w - - 0 1)

Bonavia-Hunt, Rev Noel Aubrey

Chess, 1953

3b4/3Bp3/1p2R1p1/1r1kp3/2prN1K1/2q1B3/5P2/3R3Q

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd1
      • 2.Sxc3#
      • 2.Sf6#
    • 1...Rd2
      • 2.Sxc3#
      • 2.Sf6#
    • 1...Rd3
      • 2.Sxc3#
      • 2.Sf6#
  • Tries
    • 1.Qh2?
      • threat
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Kxe4
        • 2.Qh1#
        • 2.Qg2#
      • 1...Rxd1
        • 2.Sxc3#
      • 1...Rd2
        • 2.Sxc3#
      • 1...Rd3
        • 2.Sxc3#
      • 1...Bc7!
  • Keys
    • 1.Qh8!
      • threat
        • 2.Rxe5#
        • 2.Qxe5#
      • 1...Kxe4
        • 2.Qh1#
      • 1...Rxd1
        • 2.Sxc3#
      • 1...Rd2
        • 2.Sxc3#
      • 1...Rd3
        • 2.Sxc3#
      • 1...Bc7
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);N_PINS(E),N_SPINR(c),XR(A)::S(E),XQ(a)
        • R(c);N_PINS(E)::S(E),XQ(a)
      • Refutation
        • B(j);
  • Actual
    • Q(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(e);N_SPINR(c),OGATEB,P_SPINP(f),S_FLIGHT,XS(E)::QAB(B)
      • R(c);N_PINS(E),N_SPINR(c),XR(A)::S(E),XQ(a)
      • R(c);N_PINS(E)::S(E),XQ(a)
      • B(j);OGATE::QAB(B)
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).