MESON Chess Problem Database

Problem Display
PID: 243077 (2b1k2r/2Kp1p1p/3p3p/5p1B/3B4/8/8/1Q6 w - - 0 1)

Amirov, Talip Khasanovich

Mat, 1977

2b1k2r/2Kp1p1p/3p3p/5p1B/3B4/8/8/1Q6

#2

4 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rf8
      • 2.Qe1#
  • Tries
    • 1.Qa2?
      • threat
        • 2.Qxf7#
      • 1...Ke7
        • 2.Qxf7#
      • 1...Kf8
        • 2.Qxf7#
      • 1...Rf8
        • 2.Qe2#
      • 1...d5!
    • 1.Qb3?
      • threat
        • 2.Qxf7#
      • 1...Ke7
        • 2.Qxf7#
      • 1...Kf8
        • 2.Qxf7#
      • 1...Rf8
        • 2.Qe3#
      • 1...d5!
  • Keys
    • 1.Qxf5!
      • threat
        • 2.Qxf7#
      • 1...Ke7
        • 2.Qxf7#
      • 1...Kf8
        • 2.Qxf7#
      • 1...Rf8
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(i);SBLOCK::QAB(A)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XP(e)
      • Vars
        • K(h);N_SPINP(e),P-FLIGHT::QAR1(A),XP(e)
        • R(i);SBLOCK::QAR(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Threat
        • QAB1(A),XP(e)
      • Vars
        • K(h);N_SPINP(e),P-FLIGHT::QAR1(A),XP(e)
        • R(i);SBLOCK::QAR(A)
      • Refutation
        • P(b);
  • Actual
    • Q(A);XP(a)
    • Threat
      • QAB1(A),XP(e)
    • Vars
      • K(h);N_SPINP(e),P-FLIGHT::QAR1(A),XP(e)
      • K(h);P-FLIGHT::QAR1(A),XP(e)
      • R(i);SBLOCK::QAR(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).