MESON Chess Problem Database

Problem Display
PID: 44981 (4R2K/3p4/R1nNb3/2r1k3/1B2B2p/7N/5P2/1Q6 w - - 0 1)

Frankenstein, Edward Nathan

Source?, 0000

4R2K/3p4/R1nNb3/2r1k3/1B2B2p/7N/5P2/1Q6

#2

9 + 6

3316 Chess Problem Text Book 1887
15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Tries
    • 1.Sf7+?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kf6!
  • Keys
    • 1.Qg1!
      • 1...Kd4
        • 2.f4#
      • 1...Kxd6
        • 2.Qh2#
      • 1...Kf6
        • 2.Qg7#
      • 1...Sxb4
        • 2.Qg7#
      • 1...Sd4
        • 2.Qg7#
      • 1...Rc1
        • 2.Qg7#
      • 1...Rc2
        • 2.Qg7#
      • 1...Rc3
        • 2.Qg7#
      • 1...Rc4
        • 2.Qg7#
      • 1...Ra5
        • 2.Qg7#
      • 1...Rb5
        • 2.Qg7#
      • 1...Rd5
        • 2.Qg7#
      • 1...Sa5
        • 2.Qg7#
      • 1...Sa7
        • 2.Qg7#
      • 1...Se7
        • 2.Qg7#
      • 1...Sb8
        • 2.Qg7#
      • 1...Sd8
        • 2.Qg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 17
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Vars
        • K(c);N_SPINB(e),S_FLIGHT::QAR1(A)
      • Refutation
        • K(c);N_SPINB(e),S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(c);N_SPINB(e),S_FLIGHT::QAB(A)+P(B)
      • K(c);N_SPINB(e),P_SPINR(b),P_SPINS(d),S_FLIGHT,XS(G)::QAB(A)
      • K(c);N_SPINB(e),S_FLIGHT::QAB1(A)
      • S(d);XB(D)::QAB(A)
      • S(d);SBLOCK::QAB(A)
      • R(b);::QAB(A)
      • S(d);::QAB(A)
      • S(d);N_SPINB(e)::QAB(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).