MESON Chess Problem Database

Problem Display
PID: 44344 (2R5/5B2/8/8/4Nb2/8/4k1N1/1Qn4K w - - 0 1)

Brock, David Thurston

Lebanon Herald, 0000

2R5/5B2/8/8/4Nb2/8/4k1N1/1Qn4K

#2

6 + 3

135 The Westminster Papers 1878

SOLUTION

  • SOUND
  • Sets
    • 1...Kd1
      • 2.Bh5#
      • 2.Qc2#
    • 1...Kf1
      • 2.Bc4#
    • 1...Kf3
      • 2.Bh5#
    • 1...Sa2
      • 2.Bh5#
    • 1...Sb3
      • 2.Bh5#
    • 1...Sd3
      • 2.Bh5#
  • Tries
    • 1.Rxc1?
      • threat
        • 2.Bh5#
      • 1...Kf3
        • 2.Bh5#
      • 1...Bxc1!
    • 1.Qc2+?
      • 1...Kf1
        • 2.Qd1#
        • 2.Qf2#
      • 1...Kf3
        • 2.Bh5#
      • 1...Bd2!
  • Keys
    • 1.Rf8!
      • 1...Kd1
        • 2.Bh5#
      • 1...Kf1
        • 2.Bc4#
      • 1...Kf3
        • 2.Bh5#
      • 1...Bd2
        • 2.Bh5#
      • 1...Bh2
        • 2.Bh5#
      • 1...Be3
        • 2.Bh5#
      • 1...Bg3
        • 2.Bh5#
      • 1...Be5
        • 2.Bh5#
      • 1...Bg5
        • 2.Bh5#
      • 1...Bd6
        • 2.Bh5#
      • 1...Bh6
        • 2.Bh5#
      • 1...Bc7
        • 2.Bh5#
      • 1...Bb8
        • 2.Bh5#
      • 1...Sa2
        • 2.Bh5#
      • 1...Sb3
        • 2.Bh5#
      • 1...Sd3
        • 2.Bh5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
    • K(b);P_SPINS(a),S_FLIGHT::B(E)
    • K(b);S_FLIGHT::B(E)
    • S(a);::B(E)
  • Tries
    • Try
      • R(F);XS(a)
      • Threat
        • B(E)
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • B(c);XR(F)
    • Try
      • Q(A);CHECK
      • Vars
        • K(b);S_FLIGHT::B(E)
      • Refutation
        • B(c);P_SPINB(c)
  • Actual
    • R(F);
    • Vars
      • K(b);P_SPINS(a),S_FLIGHT::B(E)
      • K(b);S_FLIGHT::B(E)
      • B(c);::B(E)
      • S(a);::B(E)
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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).