MESON Chess Problem Database

Problem Display
PID: 224406 (8/3p1N2/3N1P2/1P1kPB2/1K1P3q/8/5P2/3R4 w - - 0 1)

Hawk, SM

Wilkes-Barre Record, 1888

8/3p1N2/3N1P2/1P1kPB2/1K1P3q/8/5P2/3R4

#2

10 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sc4?
      • threat
        • 2.Se3#
        • 2.Sb6#
      • 1...Qxf2
        • 2.Sb6#
      • 1...Qxf6
        • 2.Se3#
      • 1...Qg3
        • 2.Sb6#
      • 1...Qg5
        • 2.Sb6#
      • 1...Qh3
        • 2.Sb6#
      • 1...Qe4
        • 2.Sb6#
      • 1...Qf4
        • 2.Sb6#
      • 1...Qh6
        • 2.Sb6#
      • 1...Qxd4!
    • 1.Be4+?
      • 1...Ke6
        • 2.Sd8#
        • 2.d5#
      • 1...Qxe4!
  • Keys
    • 1.Bd3!
      • threat
        • 2.Bc4#
      • 1...Kxd4
        • 2.Bb1#
        • 2.Bf1#
        • 2.Bc2#
        • 2.Be2#
        • 2.Bc4#
        • 2.Be4#
        • 2.Bf5#
        • 2.Bg6#
        • 2.Bh7#
      • 1...Ke6
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(H);N_SPINP(D)
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);XP(B)::S(H)
        • Q(a);XP(I)::S(H)
        • Q(a);::S(H)
      • Refutation
        • Q(a);P_PINS(H),P_SPINQ(a),XP(D)
    • Try
      • B(G);CHECK,N_SPINP(D)
      • Refutation
        • Q(a);P_PINP(D),XB(G)
  • Actual
    • B(G);
    • Threat
      • B(G)
    • Vars
      • K(b);S_FLIGHT::B(G)
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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).