MESON Chess Problem Database

Problem Display
PID: 166405 (B4Nn1/2r2p2/1P1k1bN1/8/bKp5/2p5/8/1Q6 w - - 0 1)

Admoni, Omri

Source?, 0000

B4Nn1/2r2p2/1P1k1bN1/8/bKp5/2p5/8/1Q6

#2

6 + 8

4901 Best Problems 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Qd3+?
      • 1...Bd4
        • 2.Qxd4#
      • 1...cxd3!
    • 1.Qd1+?
      • 1...Bd4
        • 2.Qxd4#
      • 1...Bxd1!
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qd5#
      • 1...fxg6
        • 2.Qe6#
      • 1...Rb7
        • 2.Qc5#
      • 1...Rc5
        • 2.Qxc5#
      • 1...Rc6
        • 2.Qd7#
      • 1...Bc6
        • 2.Qc5#
      • 1...Be5
        • 2.Qxe5#
      • 1...Se7
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • B(e);N_GUARD,P_SPINB(e)::QAR2(A),XB(e)
      • Refutation
        • P(c);XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • B(e);N_GUARD,P_SPINB(e)::QAR2(A),XB(e)
      • Refutation
        • B(b);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • P(g);N_GUARD,XS(D)::QAR1(A)
      • R(f);N_GUARD,P_PINP(C)::QAB1(A)
      • R(f);N_GUARD::QAB1(A),XR(f)
      • R(f);N_GUARD,S_CUTB(b)::QAR1(A)
      • B(b);S_CUTR(f)::QAB1(A)
      • B(e);N_GUARD::QAB1(A),XB(e)
      • S(h);N_GUARD::QAR2(A),XB(e)
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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).