MESON Chess Problem Database

Problem Display
PID: 208820 (3N4/4Q3/4p3/4k3/4p3/B3N2B/3P4/3K4 w - - 0 1)

Moore, Charles C

Detroit Free Press, 1876

3N4/4Q3/4p3/4k3/4p3/B3N2B/3P4/3K4

#2

7 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qd6#
  • Tries
    • 1.Kc1?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4!
    • 1.Ke1?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4!
    • 1.Kc2?
      • 1...Kd4
        • 2.Sc6#
        • 2.Bb2#
        • 2.Qc5#
        • 2.Qd6#
      • 1...Kf4!
    • 1.Ke2?
      • 1...Kd4
        • 2.Sc6#
        • 2.Bb2#
        • 2.Qc5#
        • 2.Qd6#
      • 1...Kf4!
    • 1.Sb7?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4!
    • 1.Sf7+?
      • 1...Kd4
        • 2.Qd6#
        • 2.Qd8#
        • 2.Qd7#
      • 1...Kf4!
    • 1.Bc1?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4!
    • 1.Bb4?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4!
    • 1.Bf1?
      • 1...Kd4
        • 2.Sc6#
        • 2.Bb2#
        • 2.Qc5#
        • 2.Qd6#
      • 1...Kf4!
    • 1.Bg2?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4!
    • 1.Bg4?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4!
    • 1.Bf5?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4!
    • 1.Bxe6?
      • 1...Kd4
        • 2.Qd6#
      • 1...Kf4!
    • 1.Qxe6+?
      • 1...Kd4
        • 2.Qd5#
        • 2.Qd6#
      • 1...Kf4!
    • 1.Qc7+?
      • 1...Kd4
        • 2.Qd6#
        • 2.Qc3#
      • 1...Kf6!
  • Keys
    • 1.Qf8!
      • 1...Kd4
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • K(b);N_SPINP(c),S_FLIGHT::QAR2(F)
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAR2(F)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAR2(F)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • S(G);
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAR2(F)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • S(G);CHECK
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAR2(F)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • B(C);
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAR2(F)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • B(E);
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAR2(F)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAR2(F)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • B(E);
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::QAR2(F)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • B(E);XP(c)
      • Vars
        • K(b);S_FLIGHT::QAR2(F)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);CHECK,XP(c)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(F);CHECK,N_PINP(c)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(F);N_PINP(c)
    • Vars
      • K(b);S_FLIGHT::QAR2(F)
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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).