MESON Chess Problem Database

Problem Display
PID: 44332 (8/8/3K1p2/1p5B/3k3r/2bp2R1/3Q4/B3n3 w - - 0 1)

Tucker, Frederick G

The Problemist, 1929

8/8/3K1p2/1p5B/3k3r/2bp2R1/3Q4/B3n3

#2

5 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qxc3#
    • 1...Rh1
      • 2.Rg4#
      • 2.Qf4#
    • 1...Rh2
      • 2.Rg4#
      • 2.Qf4#
    • 1...Rh3
      • 2.Rg4#
      • 2.Qf4#
    • 1...Re4
      • 2.Qxc3#
    • 1...Rf4
      • 2.Qxf4#
    • 1...Rg4
      • 2.Rxg4#
    • 1...Rxh5
      • 2.Rg4#
      • 2.Qf4#
    • 1...Bxa1
      • 2.Qb4#
    • 1...Bb2
      • 2.Qb4#
    • 1...Sc2
      • 2.Qxd3#
    • 1...Sg2
      • 2.Qxd3#
  • Tries
    • 1.Bxc3+?
      • 1...Kc4
        • 2.Bf7#
      • 1...Ke4!
  • Keys
    • 1.Bg4!
      • threat
        • 2.Qf4#
      • 1...Kc4
        • 2.Qxc3#
      • 1...Ke4
        • 2.Qe3#
      • 1...Rxg4
        • 2.Rxg4#
      • 1...Bxa1
        • 2.Qb4#
      • 1...Bb2
        • 2.Qb4#
      • 1...Sg2
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • K(d);N_SPINB(b),N_SPINP(c),P-FLIGHT::QAR1(B),XB(b)
    • R(e);SBLOCK::QAB1(B),XB(b)
    • R(e);N_GUARD::QAR2(B),XR(e)
    • R(e);N_GUARD::R(C),XR(e)
    • B(b);N_SPINB(b),OGATE,XB(A)::QAR2(B)
    • B(b);OGATE::QAR2(B)
    • S(a);N_GUARD::QAR1(B),XP(c)
  • Tries
    • Try
      • B(A);CHECK,XB(b)
      • Vars
        • K(d);N_SPINP(c),P-FLIGHT::B(D)
      • Refutation
        • K(d);N_SPINP(c),P-FLIGHT
  • Actual
    • B(D);
    • Threat
      • QAR2(B)
    • Vars
      • K(d);N_SPINB(b),N_SPINP(c),P-FLIGHT::QAR1(B),XB(b)
      • K(d);N_SPINB(b),N_SPINP(c),P-FLIGHT::QAR1(B)
      • R(e);OGATE,XB(D)::R(C),XR(e)
      • B(b);N_SPINB(b),OGATE,XB(A)::QAR2(B)
      • B(b);OGATE::QAR2(B)
      • S(a);N_GUARD::QAR1(B),XP(c)
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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).