MESON Chess Problem Database

Problem Display
PID: 108121 (k4BR1/8/K7/1B6/2qr4/8/8/8 w - - 0 1)

Gartser, Arthur Teodorovich

Chepizhni-60 JT (Kudesnik), 1994

k4BR1/8/K7/1B6/2qr4/8/8/8

#2

4 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kb8
      • 2.Bd6#
    • 1...Qd3
      • 2.Bd6#
    • 1...Qb4
      • 2.Bd6#
  • Tries
    • 1.Bc5+?
      • 1...Rd8
        • 2.Rxd8#
      • 1...Qxg8!
  • Keys
    • 1.Bd6+!
      • 1...Qxg8
        • 2.Bc6#
      • 1...Qc8+
        • 2.Rxc8#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • K(c);P-FLIGHT::R(D)+B(C),DCHECK
    • Q(a);N_GUARD::R(D)+B(C)
    • Q(a);N_GUARD,N_PINB(A)::R(D)+B(C)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • R(b);N_GUARD,P_SPINR(b)::R(D),XR(b)
      • Refutation
        • Q(a);N_PINB(A),XR(D)
  • Actual
    • B(C);CHECK
    • Vars
      • Q(a);N_PINB(A),XR(D)::B(A)
      • Q(a);CHECK,N_GUARD,N_PINB(A),P_SPINQ(a)::R(D),XQ(a)
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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).