MESON Chess Problem Database

Problem Display
PID: 264153 (8/3p2K1/3p2R1/3bpkBp/r7/1Q4n1/3n1N2/4r3 w - - 0 1)

Willemsens, Luis Cornelis

Tijdschrift vd KNSB, 1955

8/3p2K1/3p2R1/3bpkBp/r7/1Q4n1/3n1N2/4r3

#2

5 + 10

6490 yacpdb 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bh1
      • 2.Qf7#
    • 1...Bg2
      • 2.Qf7#
    • 1...Bf3
      • 2.Qf7#
    • 1...Be4
      • 2.Qf7#
    • 1...Bc6
      • 2.Qf7#
    • 1...Bb7
      • 2.Qf7#
    • 1...Bf7
      • 2.Qxf7#
    • 1...Ba8
      • 2.Qf7#
    • 1...Sde4
      • 2.Qf3#
    • 1...Sge4
      • 2.Qh3#
    • 1...e4
      • 2.Qxd5#
  • Tries
    • 1.Bh6?
      • threat
        • 2.Rf6#
      • 1...e4
        • 2.Qxd5#
      • 1...Sde4
        • 2.Qf3#
      • 1...Sge4
        • 2.Qh3#
      • 1...Rg4!
    • 1.Qxg3?
      • threat
        • 2.Rf6#
      • 1...Se4
        • 2.Qf3#
        • 2.Qh3#
      • 1...Rg4!
  • Keys
    • 1.Kh6!
      • threat
        • 2.Rf6#
      • 1...e4
        • 2.Qxd5#
      • 1...Sde4
        • 2.Qf3#
      • 1...Sge4
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 8
  • Sets
    • B(e);OGATE::QAR2(B)
    • B(e);OGATE::QAR2(B),XB(e)
    • S(b);N_GUARD,S_CUTB(e),S_CUTR(d)::QAR2(B)
    • S(c);OGATE::QAB(B)
    • P(f);OGATEB::QAR2(B),XB(e)
  • Tries
    • Try
      • B(C);
      • Threat
        • R1(D)
      • Vars
        • P(f);OGATEB::QAR2(B),XB(e)
        • S(b);N_GUARD,S_CUTB(e),S_CUTR(d)::QAR2(B)
        • S(c);OGATE::QAB(B)
      • Refutation
        • R(d);P_PINR(D)
    • Try
      • Q(B);XS(c)
      • Threat
        • R1(D)
      • Refutation
        • R(d);
  • Actual
    • K(E);S_FLIGHT
    • Threat
      • R1(D)
    • Vars
      • P(f);OGATEB::QAR2(B),XB(e)
      • S(b);N_GUARD,S_CUTB(e),S_CUTR(d)::QAR2(B)
      • S(c);OGATE::QAB(B)
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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).