MESON Chess Problem Database

Problem Display
PID: 93122 (6K1/8/B5Q1/1q1N2N1/3b4/2P1PP2/1R1Pk3/R7 w - - 0 1)

Gamage, Frederick

Tidskrift for Schack, 1906

6K1/8/B5Q1/1q1N2N1/3b4/2P1PP2/1R1Pk3/R7

#2

11 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.d3#
    • 1...Qxa6
      • 2.d3#
    • 1...Bxc3
      • 2.dxc3#
    • 1...Bxe3
      • 2.dxe3#
    • 1...Bc5
      • 2.d4#
    • 1...Be5
      • 2.d4#
    • 1...Bb6
      • 2.d4#
    • 1...Bf6
      • 2.d4#
    • 1...Ba7
      • 2.d4#
    • 1...Bg7
      • 2.d4#
    • 1...Bh8
      • 2.d4#
  • Tries
    • 1.Rf1?
      • threat
        • 2.Bxb5#
      • 1...Qxa6
        • 2.Qxa6#
      • 1...Qd3
        • 2.Bxd3#
        • 2.Qxd3#
      • 1...Qc4
        • 2.Bxc4#
      • 1...Kxf1!
  • Keys
    • 1.Qh7!
      • 1...Kf2
        • 2.Qh2#
      • 1...Qxa6
        • 2.d3#
      • 1...Bxc3
        • 2.dxc3#
      • 1...Bxe3
        • 2.dxe3#
      • 1...Qd3
        • 2.Qh2#
      • 1...Qc4
        • 2.d3#
      • 1...Bc5
        • 2.d4#
      • 1...Be5
        • 2.d4#
      • 1...Bb6
        • 2.d4#
      • 1...Bf6
        • 2.d4#
      • 1...Ba7
        • 2.d4#
      • 1...Bg7
        • 2.d4#
      • 1...Bh8
        • 2.d4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • Q(c);N_GUARD,P_PINS(G)::R(B)+P(C)
    • Q(c);N_GUARD,N_SPINQ(c),XB(I)::R(B)+P(C)
    • B(b);OGATE,XP(D)::R(B)+P(C),XB(b)
    • B(b);OGATE,XP(E)::R(B)+P(C),XB(b)
    • B(b);OGATE::R(B)+P(C)
  • Tries
    • Try
      • R(A);
      • Threat
        • B(I),XQ(c)
      • Vars
        • Q(c);N_SPINQ(c),OGATE,XB(I)::QAB(J),XQ(c)
        • Q(c);OGATE,P_PINS(G)::B(I),XQ(c)
      • Refutation
        • K(a);S_FLIGHT,XR(A)
  • Actual
    • Q(J);
    • Vars
      • K(a);N_SPINQ(c),P-FLIGHT::QAR2(J)
      • Q(c);N_GUARD,N_SPINQ(c),XB(I)::R(B)+P(C)
      • B(b);OGATE,XP(D)::R(B)+P(C),XB(b)
      • B(b);OGATE,XP(E)::R(B)+P(C),XB(b)
      • Q(c);::QAR(J)
      • Q(c);N_GUARD,P_PINS(G)::R(B)+P(C)
      • B(b);OGATE::R(B)+P(C)
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).