MESON Chess Problem Database

Problem Display
PID: 267087 (2B5/3N4/3p3K/3k4/Q2ppR1R/1p2r1p1/1qN1b3/2b5 w - - 0 1)

Rice, John Michael

The Problemist, 1955

2B5/3N4/3p3K/3k4/Q2ppR1R/1p2r1p1/1qN1b3/2b5

#2

7 + 10

SOLUTION

  • SOUND
  • Tries
    • 1.Sb6+?
      • 1...Ke5
        • 2.Rf5#
        • 2.Qe8#
      • 1...Kc5!
    • 1.Sf6+?
      • 1...Ke5
        • 2.Rf5#
        • 2.Qe8#
      • 1...Kc5!
  • Keys
    • 1.Sb8!
      • threat
        • 2.Rf5#
      • 1...Kc5
        • 2.Qc6#
      • 1...Ke5
        • 2.Rf5#
      • 1...Rc3
        • 2.Qxd4#
      • 1...Rd3
        • 2.Qb5#
      • 1...Rf3
        • 2.Rh5#
      • 1...Bg4
        • 2.Qb5#
      • 1...d3
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Refutation
        • K(i);P-FLIGHT
    • Try
      • S(F);CHECK
      • Refutation
        • K(i);P-FLIGHT
  • Actual
    • S(F);
    • Threat
      • R(C)
    • Vars
      • K(i);N_GUARD,P-FLIGHT::QAR1(B)
      • K(i);P-FLIGHT::R1(C)
      • R(e);P_PINR(C),S_CUTQ(b)::QAR1(B),XP(g)
      • R(e);P_PINR(C),S_CUTB(c)::QAR2(B)
      • R(e);P_PINR(C),S_CUTB(c)::R(D)
      • B(c);N_GUARD::QAR2(B)
      • P(g);S_CUTB(c)::QAR2(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).