MESON Chess Problem Database

Problem Display
PID: 214595 (8/1p6/1P1NP1K1/3k4/2N5/Q1p5/2B5/8 w - - 0 1)

Burlingame, EE

Newark Sunday Call, 1880

8/1p6/1P1NP1K1/3k4/2N5/Q1p5/2B5/8

#2

7 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kc6
      • 2.Be4#
  • Tries
    • 1.Kf5?
      • 1...Kc6
        • 2.Be4#
      • 1...Kd4!
    • 1.Kf6?
      • 1...Kc6
        • 2.Be4#
      • 1...Kd4!
    • 1.Kf7?
      • 1...Kc6
        • 2.Be4#
      • 1...Kd4!
    • 1.Sxb7?
      • 1...Kxc4
        • 2.Qc5#
      • 1...Kd4
        • 2.Qc5#
      • 1...Kxe6
        • 2.Qd6#
      • 1...Kc6!
    • 1.Qa5+?
      • 1...Kd4
        • 2.Qe5#
      • 1...Kc6
        • 2.Ba4#
        • 2.Be4#
        • 2.Qb5#
      • 1...Kxe6!
  • Keys
    • 1.Se4!
      • 1...Kxc4
        • 2.Qc5#
      • 1...Kd4
        • 2.Qc5#
      • 1...Kc6
        • 2.Qc5#
      • 1...Kxe6
        • 2.Qd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::B(A)
  • Tries
    • Try
      • K(G);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • K(G);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • K(G);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::B(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • S(E);XP(c)
      • Vars
        • K(b);S_FLIGHT,XS(C)::QAR1(B)
        • K(b);P-FLIGHT::QAB1(B)
        • K(b);S_FLIGHT,XP(F)::QAR1(B)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);OGATE,P-FLIGHT::QAB1(B)
      • Refutation
        • K(b);S_FLIGHT,XP(F)
  • Actual
    • S(E);
    • Vars
      • K(b);S_FLIGHT,XS(C)::QAR1(B)
      • K(b);P-FLIGHT::QAB1(B)
      • K(b);S_FLIGHT::QAR1(B)
      • K(b);S_FLIGHT,XP(F)::QAR1(B)
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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).