MESON Chess Problem Database

Problem Display
PID: 22271 (3r1k2/5B1K/4Q3/8/8/8/8/8 w - - 0 1)

Lipton, Michael

Comm., The Problemist, 1995

3r1k2/5B1K/4Q3/8/8/8/8/8

#2

3 + 2

2786 More Fun with Chess Miniatures 2000
56 The Problemist 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Qe8#
    • 1...Rd2
      • 2.Qe8#
    • 1...Rd3
      • 2.Qe8#
    • 1...Rd4
      • 2.Qe8#
    • 1...Rd5
      • 2.Qe8#
    • 1...Rd6
      • 2.Qe8#
    • 1...Rd7
      • 2.Qe8#
    • 1...Re8
      • 2.Qxe8#
  • Tries
    • 1.Bh5?
      • threat
        • 2.Qf7#
        • 2.Qf6#
      • 1...Rd6
        • 2.Qf7#
        • 2.Qxd6#
        • 2.Qe8#
      • 1...Rd7+!
    • 1.Bg6?
      • threat
        • 2.Qf7#
        • 2.Qf6#
      • 1...Rd6
        • 2.Qf7#
        • 2.Qxd6#
        • 2.Qe8#
      • 1...Rd7+!
    • 1.Be8?
      • threat
        • 2.Qf7#
      • 1...Rxe8
        • 2.Qf6#
      • 1...Rd7+!
  • Keys
    • 1.Kg6!
      • 1...Rd1
        • 2.Qe8#
      • 1...Rd2
        • 2.Qe8#
      • 1...Rd3
        • 2.Qe8#
      • 1...Rd4
        • 2.Qe8#
      • 1...Rd5
        • 2.Qe8#
      • 1...Rd6
        • 2.Qxd6#
      • 1...Rd7
        • 2.Qe8#
      • 1...Ra8
        • 2.Qd6#
      • 1...Rb8
        • 2.Qd6#
      • 1...Rc8
        • 2.Qd6#
      • 1...Re8
        • 2.Qxe8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD::QAR1(A)
    • R(a);N_GUARD,P_PINB(B)::QAR1(A)
    • R(a);N_GUARD::QAR1(A),XR(a)
  • Tries
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Refutation
        • R(a);CHECK
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Refutation
        • R(a);CHECK
    • Try
      • B(B);
      • Threat
        • QAR1(A)
      • Vars
        • R(a);SBLOCK,XB(B)::QAR2(A)
      • Refutation
        • R(a);CHECK
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • R(a);N_GUARD::QAR1(A)
      • R(a);N_GUARD,P_PINQ(A)::QAB(A),XR(a)
      • R(a);N_GUARD::QAB(A)
      • R(a);N_GUARD::QAR1(A),XR(a)
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).