MESON Chess Problem Database

Problem Display
PID: 120621 (8/2B5/5pQ1/2R1pN2/4kpR1/7P/8/1N3K2 w - - 0 1)

Kenney, Ebenezer Wood

Louisville Trade Gazette, 1884

8/2B5/5pQ1/2R1pN2/4kpR1/7P/8/1N3K2

#2

8 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kf3
      • 2.Sd2#
  • Tries
    • 1.Ke1?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Sg3+?
      • 1...Ke3
        • 2.Qe4#
      • 1...Kf3
        • 2.Rc3#
        • 2.Qd3#
        • 2.Qe4#
      • 1...Kd4!
    • 1.Sd6+?
      • 1...Ke3
        • 2.Qe4#
      • 1...Kf3
        • 2.Rc3#
        • 2.Qd3#
        • 2.Qe4#
      • 1...Kd4!
    • 1.Ba5?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Bb6?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Bd6?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Bb8?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Bd8?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Rxf4+?
      • 1...Kd3
        • 2.Rc3#
        • 2.Qg3#
      • 1...Kxf4
        • 2.Qg4#
      • 1...exf4!
    • 1.Rh4?
      • 1...Kf3
        • 2.Sd2#
        • 2.Qg2#
      • 1...Kd3!
    • 1.Rc4+?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd5
        • 2.Qf7#
        • 2.Qg8#
      • 1...Kd3!
    • 1.Ra5?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Rb5?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Rd5?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kxd5!
    • 1.Qh5?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Qh7?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Qxf6?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
    • 1.Qg8?
      • 1...Kd3
        • 2.Qc4#
        • 2.Qd5#
      • 1...Kf3
        • 2.Sd2#
      • 1...Kxf5!
    • 1.h4?
      • 1...Kf3
        • 2.Sd2#
      • 1...Kd3!
  • Keys
    • 1.Qf7!
      • 1...Kd3
        • 2.Qc4#
        • 2.Qd5#
      • 1...Kf3
        • 2.Sd2#
      • 1...Kxf5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(a);N_SPINP(b),S_FLIGHT::S(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAR1(G)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(a);N_SPINP(b),P-FLIGHT::QAR1(G)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • B(H);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • B(H);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • B(H);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • B(H);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • B(H);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • R(D);CHECK,XP(b)
      • Vars
        • K(a);P-FLIGHT,P_SPINP(c),XR(D)::QAR1(G)
      • Refutation
        • P(c);XR(D)
    • Try
      • R(D);
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • R(E);CHECK
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • R(E);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT,XR(E)
    • Try
      • Q(G);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • Q(G);XP(d)
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
    • Try
      • Q(G);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),P_SPINP(c),S_FLIGHT,XS(F)
    • Try
      • P(C);
      • Vars
        • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • Refutation
        • K(a);N_SPINP(b),S_FLIGHT
  • Actual
    • Q(G);
    • Vars
      • K(a);N_SPINP(b),S_FLIGHT::S(A)
      • K(a);N_SPINP(b),P_SPINP(c),S_FLIGHT,XS(F)::R1(E),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).