MESON Chess Problem Database

Problem Display
PID: 243266 (1b1B1N2/4r1n1/3k2qR/6Rb/3p1Pp1/3Qp3/1p6/1K5B w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

Mat, 1976

1b1B1N2/4r1n1/3k2qR/6Rb/3p1Pp1/3Qp3/1p6/1K5B

#2

8 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qe6
      • 2.Qa6#
      • 2.Qa3#
      • 2.Qxd4#
    • 1...Qf6
      • 2.Qa6#
      • 2.Qa3#
      • 2.Qxd4#
    • 1...Qxh6
      • 2.Qa6#
      • 2.Qa3#
      • 2.Qxd4#
    • 1...Re4
      • 2.Qa6#
    • 1...Sf5
      • 2.Qa3#
  • Tries
    • 1.Rhxg6+?
      • 1...Re6
        • 2.Qa6#
        • 2.Qa3#
        • 2.Qxd4#
      • 1...Se6
        • 2.Qa6#
        • 2.Qa3#
        • 2.Qxd4#
      • 1...Bxg6!
  • Keys
    • 1.Qc2!
      • threat
        • 2.Rd5#
      • 1...Re4
        • 2.Qc5#
      • 1...Re5
        • 2.fxe5#
      • 1...Sf5
        • 2.Qc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(h);N_PINQ(C)::QAR(C)
    • S(i);N_PINQ(C)::QAB(C)
  • Tries
    • Try
      • R(F);CHECK,N_SPINQ(C),XQ(g)
      • Refutation
        • B(e);P_PINQ(C),XR(F)
  • Actual
    • Q(C);N_PINP(c)
    • Threat
      • R1(E)
    • Vars
      • R(h);N_PINQ(C)::QAB1(C)
      • R(h);OGATE::P(D),XR(h)
      • S(i);N_PINQ(C)::QAR1(C)
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).