MESON Chess Problem Database

Problem Display
PID: 189934 (4r3/Q7/8/1N6/r6p/8/Bb2R3/k1N4K w - - 0 1)

Gold, Samuel

Pesti Naplo, 1912

4r3/Q7/8/1N6/r6p/8/Bb2R3/k1N4K

#2

6 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rxa2
      • 2.Qxa2#
    • 1...Rc4
      • 2.Sb3#
    • 1...Rd4
      • 2.Sb3#
    • 1...Rae4
      • 2.Sb3#
    • 1...Rf4
      • 2.Sb3#
    • 1...Rg4
      • 2.Sb3#
    • 1...Ba3
      • 2.Sb3#
    • 1...Bc3
      • 2.Sb3#
    • 1...Bd4
      • 2.Sb3#
    • 1...Be5
      • 2.Sb3#
    • 1...Bf6
      • 2.Sb3#
    • 1...Bg7
      • 2.Sb3#
    • 1...Bh8
      • 2.Sb3#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sc2#
        • 2.Sdb3#
      • 1...Rxa2
        • 2.Qxa2#
      • 1...Rxd4
        • 2.Sb3#
      • 1...Rxe2
        • 2.Sdb3#
      • 1...Bxc1
        • 2.Sb3#
      • 1...Bxd4
        • 2.Sb3#
      • 1...Ra3
        • 2.Sc2#
      • 1...Rb4
        • 2.Sc2#
      • 1...Rc4
        • 2.Scb3#
        • 2.Sdb3#
      • 1...Re3
        • 2.Sc2#
      • 1...Rb8
        • 2.Sc2#
      • 1...Rc8
        • 2.Sdb3#
      • 1...Ba3
        • 2.Scb3#
        • 2.Sdb3#
      • 1...Bc3
        • 2.Scb3#
        • 2.Sdb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 10
  • Sets
    • R(c);OGATE,P_SPINR(c),XB(C)::QAR1(F),XR(c)
    • R(c);::S(A)
    • B(b);::S(A)
  • Actual
    • S(E);
    • Threat
      • DUALS(2)
    • Vars
      • R(c);OGATE,P_SPINR(c),XB(C)::QAR1(F),XR(c)
      • R(c);XS(E)::S(A)
      • R(e);XR(D)::S(E)
      • B(b);XS(A)::S(E)
      • B(b);XS(E)::S(A)
      • R(c);::S(E)
      • R(e);::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).