MESON Chess Problem Database

Problem Display
PID: 49567 (8/7p/6bP/3B4/3Ppk1K/2R5/3P1p2/2Q5 w - - 0 1)

Gold, Samuel

Source?, 0000

8/7p/6bP/3B4/3Ppk1K/2R5/3P1p2/2Q5

#2

7 + 5

5166 200 Schachaufgaben 1883

SOLUTION

  • SOUND
  • Sets
    • 1...f1Q
      • 2.Qxf1#
    • 1...f1S
      • 2.Qxf1#
    • 1...f1B
      • 2.Qxf1#
    • 1...f1R
      • 2.Qxf1#
  • Tries
    • 1.Qh1?
      • 1...f1Q
        • 2.Qxf1#
      • 1...f1S
        • 2.Qxf1#
      • 1...f1B
        • 2.Qxf1#
      • 1...f1R
        • 2.Qxf1#
      • 1...Bh5
        • 2.Qxe4#
      • 1...Bf5
        • 2.Qh2#
      • 1...Bf7
        • 2.Qxe4#
      • 1...Be8
        • 2.Qxe4#
      • 1...e3
        • 2.Qf3#
      • 1...Kf5!
  • Keys
    • 1.Qb1!
      • 1...Kf5
        • 2.Rf3#
      • 1...f1Q
        • 2.Qxf1#
      • 1...f1S
        • 2.Qxf1#
      • 1...f1B
        • 2.Qxf1#
      • 1...f1R
        • 2.Qxf1#
      • 1...Bh5
        • 2.Qxe4#
      • 1...Bf5
        • 2.Qb8#
      • 1...Bf7
        • 2.Qxe4#
      • 1...Be8
        • 2.Qxe4#
      • 1...e3
        • 2.dxe3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • P(a);OGATEB::QAR(A),XQ(a)
    • P(a);OGATEB::QAR(A),XS(a)
    • P(a);OGATEB::QAR(A),XB(a)
    • P(a);OGATEB::QAR(A),XR(a)
  • Tries
    • Try
      • Q(A);
      • Vars
        • P(a);OGATEB::QAR(A),XQ(a)
        • P(a);OGATEB::QAR(A),XS(a)
        • P(a);OGATEB::QAR(A),XB(a)
        • P(a);OGATEB::QAR(A),XR(a)
        • B(d);N_GUARD::QAR1(A),XP(b)
        • B(d);SBLOCK::QAB(A)
        • P(b);N_GUARD::QAR1(A)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(c);P-FLIGHT,P_SPINP(b)::R(C)
      • P(a);OGATEB::QAR(A),XQ(a)
      • P(a);OGATEB::QAR(A),XS(a)
      • P(a);OGATEB::QAR(A),XB(a)
      • P(a);OGATEB::QAR(A),XR(a)
      • B(d);N_GUARD::QAR1(A),XP(b)
      • B(d);SBLOCK::QAB(A)
      • P(b);OGATE::P(B),XP(b)
HTML5 logo

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).