MESON Chess Problem Database

Problem Display
PID: 101298 (8/8/4b3/4p3/7p/8/1KBkp1R1/4b1Q1 w - - 0 1)

Wilson, Francis Vaux

Good Companions (February Meredith Ty.), 1917

8/8/4b3/4p3/7p/8/1KBkp1R1/4b1Q1

#2

4 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Qc1#
    • 1...Bg3
      • 2.Qc1#
    • 1...e4
      • 2.Qd4#
  • Tries
    • 1.Rh2?
      • threat
        • 2.Qg5#
      • 1...Bf2
        • 2.Qc1#
      • 1...Bg3
        • 2.Qc1#
      • 1...e4
        • 2.Qd4#
      • 1...Bg4!
    • 1.Rg3?
      • threat
        • 2.Rd3#
        • 2.Qe3#
      • 1...Bxg3
        • 2.Qc1#
      • 1...Bf2
        • 2.Rd3#
        • 2.Qc1#
      • 1...Bc4
        • 2.Qe3#
      • 1...Bf5
        • 2.Qe3#
      • 1...e4
        • 2.Qe3#
        • 2.Qd4#
      • 1...hxg3!
    • 1.Rg7?
      • threat
        • 2.Qg5#
      • 1...Bf2
        • 2.Qc1#
      • 1...Bg3
        • 2.Qc1#
      • 1...e4
        • 2.Qd4#
      • 1...Bg4!
    • 1.Rg8?
      • threat
        • 2.Qg5#
      • 1...Bf2
        • 2.Qc1#
      • 1...Bg3
        • 2.Qc1#
      • 1...e4
        • 2.Qd4#
      • 1...Bg4!
  • Keys
    • 1.Rg6!
      • threat
        • 2.Qg5#
      • 1...Bf2
        • 2.Qc1#
      • 1...Bg3
        • 2.Qc1#
      • 1...Bg4
        • 2.Rd6#
      • 1...e4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(a);N_SPINP(c),OGATE::QAB1(A)
    • B(a);OGATE::QAB1(A)
    • P(e);N_GUARD::QAR2(A)
  • Tries
    • Try
      • R(D);
      • Threat
        • QAB(A)
      • Vars
        • B(a);N_SPINP(c),OGATE::QAB1(A)
        • B(a);OGATE::QAB1(A)
        • P(e);N_GUARD::QAR2(A)
      • Refutation
        • B(f);
    • Try
      • R(D);N_PINP(c)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);OGATE,XR(D)::QAB1(A)
        • B(f);::QAB1(A)
      • Refutation
        • P(d);XR(D)
    • Try
      • R(D);N_PINP(c)
      • Threat
        • QAB(A)
      • Vars
        • B(a);OGATE::QAB1(A)
        • P(e);N_GUARD::QAR2(A)
      • Refutation
        • B(f);
    • Try
      • R(D);N_PINP(c)
      • Threat
        • QAB(A)
      • Vars
        • B(a);OGATE::QAB1(A)
        • P(e);N_GUARD::QAR2(A)
      • Refutation
        • B(f);
  • Actual
    • R(D);N_PINP(c)
    • Threat
      • QAB(A)
    • Vars
      • B(a);OGATE::QAB1(A)
      • B(f);OGATE::R(D)
      • P(e);N_GUARD::QAR2(A)
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).