MESON Chess Problem Database

Problem Display
PID: 45971 (2q5/2p3NQ/2p1P1b1/p1Pk2b1/1rR1R3/1pP5/1N5B/1K6 w - - 0 1)

Rice, John Michael

The Problemist, 2002

2q5/2p3NQ/2p1P1b1/p1Pk2b1/1rR1R3/1pP5/1N5B/1K6

#2

10 + 9

5174 Chess Problem Spectrum 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Bxe4+
      • 2.Qxe4#
    • 1...Bf5
      • 2.Qxf5#
    • 1...Bh5
      • 2.Red4#
      • 2.Re5#
      • 2.Qf5#
    • 1...Bf7
      • 2.Red4#
      • 2.Re5#
      • 2.Qf5#
    • 1...Be8
      • 2.Red4#
      • 2.Re5#
      • 2.Qf5#
  • Tries
    • 1.Sd3?
      • threat
        • 2.Red4#
      • 1...Rxc4
        • 2.Re5#
      • 1...Bxe4
        • 2.Qxe4#
      • 1...Bf6
        • 2.Sf4#
      • 1...Be3!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Re5#
      • 1...Qxe6
        • 2.Red4#
      • 1...Bxf5
        • 2.Qxf5#
      • 1...Qh8
        • 2.Qd7#
      • 1...Bf4
        • 2.Se7#
      • 1...Bf6
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • B(g);CHECK,OGATE,XR(F)::QAB1(J),XB(g)
    • B(g);OGATE::QAR2(J),XB(g)
  • Tries
    • Try
      • S(B);N_SPINR(F)
      • Threat
        • R1(F)
      • Vars
        • R(b);SBLOCK,XR(E)::R1(F)
        • B(g);OGATE,P_PINS(B),XR(F)::QAB1(J),XB(g)
        • B(e);N_GUARD::S(B)
      • Refutation
        • B(e);
  • Actual
    • S(I);N_SPINR(F)
    • Threat
      • R1(F)
    • Vars
      • Q(i);SBLOCK,XP(H)::R1(F)
      • B(g);OGATE,P_PINR(F),XS(I)::QAR2(J),XB(g)
      • Q(i);N_GUARD::QAR2(J)
      • B(e);N_GUARD::S(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).