MESON Chess Problem Database

Problem Display
PID: 243224 (4r3/5n2/3r3p/3B2BK/1P1kP2R/2p5/2Pp4/3QR3 w - - 0 1)

Jada, Faud Emile

Tidskrift for Schack, 1980

4r3/5n2/3r3p/3B2BK/1P1kP2R/2p5/2Pp4/3QR3

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.e5#
    • 1...Se5
      • 2.Be3#
  • Tries
    • 1.Qxd2+?
      • 1...Ke5
        • 2.Qxc3#
      • 1...cxd2!
  • Keys
    • 1.Bxd2!
      • threat
        • 2.Bf4#
      • 1...Rxd5+
        • 2.e5#
      • 1...Re5+
        • 2.Bg5#
      • 1...Ke5
        • 2.Bxc3#
      • 1...cxd2
        • 2.Qa1#
      • 1...Se5
        • 2.Be3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(d);P_PINB(H),SBLOCK,XB(G)::R(F)+P(E)
    • S(f);SBLOCK::B(H)
  • Tries
    • Try
      • Q(A);CHECK,XP(a)
      • Vars
        • K(c);S_FLIGHT::QAB(A),XP(b)
      • Refutation
        • P(b);XQ(A)
  • Actual
    • B(H);XP(a)
    • Threat
      • QAR(A)+B(H)
    • Vars
      • R(d);CHECK,SBLOCK,XB(G)::R(F)+P(E)
      • R(g);CHECK,SBLOCK::QAR(A)+B(H)
      • K(c);S_FLIGHT::B(H),XP(b)
      • P(b);OGATEB,P_SPINP(b),XB(H)::QAB(A)
      • S(f);SBLOCK::QAR(A)+B(H),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).