MESON Chess Problem Database

Problem Display
PID: 224710 (6N1/3p4/1Pp4P/K1kpp2R/5p2/1PN5/1B2P2Q/8 w - - 0 1)

Bard, F

The Sunny South, 1888

6N1/3p4/1Pp4P/K1kpp2R/5p2/1PN5/1B2P2Q/8

#2

10 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qg1#
      • 2.Qf2#
    • 1...d4
      • 2.Ba3#
    • 1...e4
      • 2.Sxe4#
    • 1...d6
      • 2.Sa4#
  • Tries
    • 1.Rxe5?
      • threat
        • 2.Se4#
      • 1...Kd4
        • 2.Sa4#
      • 1...Kd6!
    • 1.Qg1+?
      • 1...d4
        • 2.Ba3#
      • 1...Kd6!
    • 1.Qxf4?
      • threat
        • 2.Ba3#
        • 2.Qb4#
      • 1...exf4
        • 2.Se4#
      • 1...d4
        • 2.Ba3#
      • 1...e4
        • 2.Sa4#
        • 2.Sxe4#
      • 1...Kd6!
    • 1.Qf2+?
      • 1...d4
        • 2.Ba3#
      • 1...Kd6!
  • Keys
    • 1.Qh4!
      • 1...Kd4
        • 2.Qf2#
      • 1...Kd6
        • 2.Qe7#
      • 1...f3
        • 2.Ba3#
        • 2.Qb4#
      • 1...d4
        • 2.Ba3#
      • 1...e4
        • 2.Sxe4#
      • 1...d6
        • 2.Sa4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • P(c);P_SPINP(d),SBLOCK::B(A)
    • P(d);P_SPINP(c)::S(E),XP(d)
    • P(f);SBLOCK::S(E)
  • Tries
    • Try
      • R(G);P_PINP(c),XP(d)
      • Threat
        • S(E)
      • Vars
        • K(b);N_SPINP(c),S_FLIGHT::B(A)+S(E)
      • Refutation
        • K(b);N_SPINP(c),S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • P(c);P_SPINP(c)::B(A)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(C);XP(a)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);P_SPINP(c),XQ(C)::S(E)
        • P(c);P_SPINP(d)::B(A)
      • Refutation
        • K(b);P_SPINP(d),S_FLIGHT
    • Try
      • Q(C);CHECK
      • Vars
        • P(c);P_SPINP(c)::B(A)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(C);
    • Vars
      • K(b);P_SPINP(a),S_FLIGHT::QAB(C)
      • K(b);S_FLIGHT::QAB1(C)
      • P(c);P_SPINP(d),SBLOCK::B(A)
      • P(d);P_SPINP(c)::S(E),XP(d)
      • P(f);SBLOCK::S(E)
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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).