MESON Chess Problem Database

Problem Display
PID: 108750 (6B1/p2r1R2/Kp5n/4p3/QPk1p3/n2p4/1B1RpP2/8 w - - 0 1)

Labai, Zoltan

Szoghy-80 MT, 1993

6B1/p2r1R2/Kp5n/4p3/QPk1p3/n2p4/1B1RpP2/8

#2

8 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd5
      • 2.Rxd7#
    • 1...Rd4
      • 2.Rc7#
    • 1...Rd5
      • 2.Rc7#
    • 1...Rd6
      • 2.Rc7#
    • 1...Rb7
      • 2.Rc7#
    • 1...Rc7
      • 2.Rxc7#
    • 1...Rd8
      • 2.Rc7#
    • 1...Sg4
      • 2.Rxd7#
    • 1...Sf5
      • 2.Rxd7#
    • 1...e3
      • 2.Rf4#
  • Tries
    • 1.Rxd7+?
      • 1...Sf7
        • 2.Bxf7#
      • 1...Sxg8!
  • Keys
    • 1.Rxd3!
      • threat
        • 2.Qb3#
      • 1...Kxd3
        • 2.Rxd7#
      • 1...Rxd3
        • 2.Rc7#
      • 1...exd3
        • 2.Rf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • K(d);P_SPINP(c),S_FLIGHT::B(H)+R(G),DCHECK,XR(j)
    • R(j);OGATE::B(H)+R(G),DCHECK
    • R(j);OGATE::R(G)
    • R(j);OGATE::B(H)+R(G),DCHECK,XR(j)
    • S(h);N_GUARD::B(H)+R(G),XR(j)
    • P(e);::B(H)+R(G),DCHECK
  • Tries
    • Try
      • R(G);CHECK,XR(j)
      • Vars
        • S(h);N_GUARD,P_SPINS(h)::B(H),XS(h)
      • Refutation
        • S(h);XB(H)
  • Actual
    • R(B);XP(c)
    • Threat
      • QAB1(D)
    • Vars
      • K(d);S_FLIGHT,XR(B)::R(G),XR(j)
      • R(j);OGATE,SBLOCK,XR(B)::B(H)+R(G),DCHECK
      • P(e);SBLOCK,XR(B)::B(H)+R(G),DCHECK
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).