MESON Chess Problem Database

Problem Display
PID: 224602 (8/B7/7K/5p2/4pk2/2Q3N1/8/3b2N1 w - - 0 1)

Phelps, Francis Bradley

Wheeler, Charles Henry

Nashville Daily American, 1888

8/B7/7K/5p2/4pk2/2Q3N1/8/3b2N1

#2

5 + 4

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bg4
      • 2.Bb8#
      • 2.Qc7#
  • Tries
    • 1.Sf1?
      • threat
        • 2.Qg3#
      • 1...Kg4
        • 2.Qg3#
      • 1...e3
        • 2.Qd4#
      • 1...Bf3!
    • 1.Sh1?
      • threat
        • 2.Qg3#
      • 1...Kg4
        • 2.Qg3#
      • 1...e3
        • 2.Qd4#
      • 1...Bf3!
    • 1.S3e2+?
      • 1...Kg4
        • 2.Qg3#
        • 2.Qh3#
      • 1...Bxe2!
    • 1.Sh5+?
      • 1...Kg4
        • 2.Qg3#
        • 2.Qh3#
      • 1...Bxh5!
    • 1.Qe3+?
      • 1...Kg4
        • 2.Qg5#
      • 1...Ke5!
  • Keys
    • 1.Qg7!
      • 1...Bg4
        • 2.Qc7#
      • 1...Bf3
        • 2.Sh3#
      • 1...Bc2
        • 2.S3e2#
        • 2.Sh5#
      • 1...Be2
        • 2.S3xe2#
      • 1...Bb3
        • 2.S3e2#
        • 2.Sh5#
      • 1...Ba4
        • 2.S3e2#
        • 2.Sh5#
      • 1...Bh5
        • 2.Sxh5#
      • 1...e3
        • 2.Bb8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • QAB1(B)
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
        • P(b);OGATEB::QAR2(B)
      • Refutation
        • B(a);
    • Try
      • S(C);
      • Threat
        • QAB1(B)
      • Vars
        • K(c);P-FLIGHT::QAR1(B)
        • P(b);OGATEB::QAR2(B)
      • Refutation
        • B(a);
    • Try
      • S(C);CHECK
      • Refutation
        • B(a);XS(C)
    • Try
      • S(C);CHECK
      • Refutation
        • B(a);XS(C)
    • Try
      • Q(B);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAR1(B)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
  • Actual
    • Q(B);
    • Vars
      • B(a);SBLOCK::QAB(B)
      • B(a);SBLOCK::S(A)
      • B(a);N_GUARD::S(C),XB(a)
      • P(b);SBLOCK::B(E)
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).