MESON Chess Problem Database

Problem Display
PID: 72154 (B2Q1B2/3P1p2/6b1/p3n3/3k4/N3ppN1/2P1R3/2R2K2 w - - 0 1)

Rice, John Michael

British Chess Magazine, 2007

B2Q1B2/3P1p2/6b1/p3n3/3k4/N3ppN1/2P1R3/2R2K2

#2

10 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.c3#
    • 1...fxe2+
      • 2.Sxe2#
  • Tries
    • 1.Qe7?
      • threat
        • 2.Qc5#
      • 1...fxe2+
        • 2.Sxe2#
      • 1...Kc3
        • 2.Qxe5#
      • 1...Sxd7
        • 2.Qxe3#
      • 1...Sd3
        • 2.c3#
      • 1...Sc4
        • 2.Sb5#
      • 1...Bxc2!
  • Keys
    • 1.Qg5!
      • threat
        • 2.Qxe3#
      • 1...fxe2+
        • 2.Sxe2#
      • 1...Kc3
        • 2.Qxe5#
      • 1...Bd3
        • 2.c3#
      • 1...Sd3
        • 2.c3#
      • 1...Sc4
        • 2.Sb5#
      • 1...Sg4
        • 2.Qc5#
      • 1...Sc6
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(f);P_PINR(D),SBLOCK::P(C)
    • P(b);CHECK,XR(D)::S(F),XP(b)
  • Tries
    • Try
      • Q(I);
      • Threat
        • QAB1(I)
      • Vars
        • P(b);CHECK,XR(D)::S(F),XP(b)
        • K(c);S_FLIGHT::QAB(I),XS(e)
        • S(e);OGATE,XP(G)::QAB1(I),XP(a)
        • S(e);SBLOCK::P(C)
        • S(e);SBLOCK::S(E)
      • Refutation
        • B(f);XP(C)
  • Actual
    • Q(I);
    • Threat
      • QAB1(I),XP(a)
    • Vars
      • P(b);CHECK,XR(D)::S(F),XP(b)
      • K(c);S_FLIGHT::QAB(I),XS(e)
      • B(f);P_PINR(D),SBLOCK::P(C)
      • S(e);SBLOCK::P(C)
      • S(e);SBLOCK::S(E)
      • S(e);OGATE::QAB1(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).