MESON Chess Problem Database

Problem Display
PID: 48677 (2N5/K2N4/p1P5/P2k4/2n3PB/1Q2np2/2P5/4R3 w - - 0 1)

Kidson, Henry Edwin

Chess Chips, 1878

2N5/K2N4/p1P5/P2k4/2n3PB/1Q2np2/2P5/4R3

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qd3#
    • 1...Ke4
      • 2.Qxc4#
    • 1...Kxc6
      • 2.Qb7#
    • 1...Ke6
      • 2.Qxc4#
  • Tries
    • 1.Bf6?
      • 1...Ke4
        • 2.Qxc4#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Ke6
        • 2.Qxc4#
      • 1...Sxc2
        • 2.Qxf3#
      • 1...Sxg4
        • 2.Qxf3#
      • 1...Sd1
        • 2.Qxf3#
      • 1...Sf1
        • 2.Qxf3#
      • 1...Sg2
        • 2.Qxf3#
      • 1...Sf5
        • 2.Qxf3#
      • 1...f2!
    • 1.Rxe3?
      • 1...Kd4
        • 2.Qd3#
      • 1...Kxc6
        • 2.Qb7#
      • 1...f2!
    • 1.Qd3+?
      • 1...Ke6
        • 2.Qxc4#
        • 2.Qf5#
      • 1...Kxc6!
  • Keys
    • 1.Bf2!
      • 1...Kd4
        • 2.Qd3#
      • 1...Ke4
        • 2.Qxc4#
      • 1...Kxc6
        • 2.Qb7#
      • 1...Ke6
        • 2.Qxc4#
      • 1...Sxc2
        • 2.Qxf3#
      • 1...Sxg4
        • 2.Qxf3#
      • 1...Sd1
        • 2.Qxf3#
      • 1...Sf1
        • 2.Qxf3#
      • 1...Sg2
        • 2.Qxf3#
      • 1...Sf5
        • 2.Qxf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • K(d);N_SPINS(c),P-FLIGHT::QAR1(C)
    • K(d);N_SPINS(c),P_SPINS(a),S_FLIGHT::QAR2(C),XS(c)
    • K(d);N_SPINS(c),OGATEB,S_FLIGHT,XP(G)::QAB1(C)
    • K(d);N_SPINS(c),P_SPINS(a),S_FLIGHT::QAB(C),XS(c)
  • Tries
    • Try
      • B(E);
      • Vars
        • K(d);N_SPINS(c),P_SPINS(a),S_FLIGHT::QAR2(C),XS(c)
        • K(d);N_SPINS(c),OGATEB,S_FLIGHT,XP(G)::QAB1(C)
        • K(d);N_SPINS(c),P_SPINS(a),S_FLIGHT::QAB(C),XS(c)
        • S(a);OGATE,XP(B)::QAB(C),XP(b)
        • S(a);OGATE,XP(D)::QAB(C),XP(b)
        • S(a);OGATE::QAB(C),XP(b)
      • Refutation
        • P(b);
    • Try
      • R(A);XS(a)
      • Vars
        • K(d);N_SPINS(c),P-FLIGHT::QAR1(C)
        • K(d);N_SPINS(c),OGATEB,S_FLIGHT,XP(G)::QAB1(C)
      • Refutation
        • P(b);
    • Try
      • Q(C);CHECK,N_PINS(c)
      • Refutation
        • K(d);S_FLIGHT,XP(G)
  • Actual
    • B(E);
    • Vars
      • K(d);N_SPINS(c),P-FLIGHT,P_SPINS(a)::QAR1(C)
      • K(d);N_SPINS(c),P_SPINS(a),S_FLIGHT::QAR2(C),XS(c)
      • K(d);N_SPINS(c),OGATEB,S_FLIGHT,XP(G)::QAB1(C)
      • K(d);N_SPINS(c),P_SPINS(a),S_FLIGHT::QAB(C),XS(c)
      • S(a);OGATE,XP(B)::QAB(C),XP(b)
      • S(a);OGATE,XP(D)::QAB(C),XP(b)
      • S(a);OGATE::QAB(C),XP(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).