MESON Chess Problem Database

Problem Display
PID: 187770 (8/B4K2/2BR4/n1p1kp2/8/1P6/1P1N3n/3R4 w - - 0 1)

Henry, Eugene

The Times, 1909

8/B4K2/2BR4/n1p1kp2/8/1P6/1P1N3n/3R4

#2

8 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...f4
      • 2.Rd5#
  • Tries
    • 1.Re6+?
      • 1...Kd4
        • 2.Sb1#
        • 2.Sf1#
        • 2.Sf3#
        • 2.Sc4#
      • 1...Kf4!
  • Keys
    • 1.Rd4!
      • 1...Kxd4
        • 2.Sc4#
      • 1...Sxb3
        • 2.Sc4#
      • 1...Sxc6
        • 2.Sc4#
      • 1...cxd4
        • 2.Bb8#
      • 1...f4
        • 2.Rd5#
      • 1...Sf1
        • 2.Sf3#
      • 1...Sf3
        • 2.Sxf3#
      • 1...Sg4
        • 2.Sf3#
      • 1...Sc4
        • 2.Sxc4#
      • 1...Sb7
        • 2.Sc4#
      • 1...c4
        • 2.Re1#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • P(e);SBLOCK::R1(F)
  • Tries
    • Try
      • R(F);CHECK
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(F);
    • Vars
      • K(d);P_SPINP(c),S_FLIGHT,XR(F)::R(A)+S(C)
      • S(b);N_GUARD,XP(D)::S(C)
      • S(b);N_GUARD,XB(E)::S(C)
      • P(c);SBLOCK,XR(F)::B(G)
      • P(e);SBLOCK::R1(F)
      • S(a);N_GUARD::S(C)
      • S(a);N_GUARD::S(C),XS(a)
      • S(b);N_GUARD::S(C),XS(b)
      • S(b);N_GUARD::S(C)
      • P(c);::R(A)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).