MESON Chess Problem Database

Problem Display
PID: 263028 (B3b3/8/8/8/2P1q2r/4N1B1/5P2/R1N1K2k w - - 0 1)

Moen, Kabe

SuperProblem, 2018

B3b3/8/8/8/2P1q2r/4N1B1/5P2/R1N1K2k

#2

8 + 4

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Bxe4+?
      • 1...Kg1
        • 2.Se2#
      • 1...Rxe4!
  • Keys
    • 1.Kd2!
      • threat
        • 2.Sa2#
        • 2.Se2#
        • 2.Sb3#
        • 2.Sd3#
      • 1...Qd5+
        • 2.Sd3#
      • 1...Kg1
        • 2.Se2#
        • 2.Sd3#
      • 1...Qxa8
        • 2.Sa2#
      • 1...Ba4
        • 2.Sb3#
      • 1...Bh5
        • 2.Se2#
      • 1...Bc6
        • 2.Sd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(H);CHECK,N_SPINS(E),XQ(b)
      • Vars
        • K(a);P-FLIGHT,S_CUTR(c)::S(B)
      • Refutation
        • R(c);P_PINS(E),XB(H)
  • Actual
    • K(C);N_SPINS(E),S_FLIGHT
    • Threat
      • DUALS(4)
    • Vars
      • Q(b);CHECK::R(A)+S(B)
      • Q(b);N_SPINQ(b),XB(H)::R(A)+S(B)
      • B(d);::R(A)+S(B)
      • B(d);N_SPINQ(b)::R(A)+S(B)
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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).