MESON Chess Problem Database

Problem Display
PID: 224525 (8/3Q4/8/3Np2p/4k3/1P4R1/3P4/1K6 w - - 0 1)

Foster, Benjamin R

Nashville Daily American, 1887

(First published on Sun Jul 31 1887)

8/3Q4/8/3Np2p/4k3/1P4R1/3P4/1K6

#2

6 + 3

15883 Volksrecht 1988
5454 Near Snap 2020
6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4?
      • 1...h4
        • 2.Qg4#
      • 1...Kf4!
    • 1.Sb6?
      • 1...h4
        • 2.Qg4#
      • 1...Kf4!
    • 1.Sc7?
      • 1...h4
        • 2.Qg4#
      • 1...Kf4!
    • 1.Rc3?
      • 1...Kd4
        • 2.Sf6#
      • 1...h4!
    • 1.Qb5?
      • threat
        • 2.Qd3#
      • 1...Kd4
        • 2.Qc4#
      • 1...Kf5!
    • 1.Qc6?
      • 1...Kd4
        • 2.Qc4#
      • 1...Kf5
        • 2.Qg6#
      • 1...h4!
    • 1.Qd6?
      • 1...Kd4
        • 2.Sc3#
        • 2.Sf6#
      • 1...Kf5
        • 2.Qg6#
      • 1...h4!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Qh7#
      • 1...Kxd3
        • 2.Sc3#

This anticipates 15883(1988)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);
      • Vars
        • P(c);N_GUARD::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(E);
      • Vars
        • P(c);N_GUARD::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • S(E);
      • Vars
        • P(c);N_GUARD::QAR2(F)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • R(D);
      • Vars
        • K(a);P-FLIGHT::QAR(F)+S(E)
      • Refutation
        • P(c);
    • Try
      • Q(F);
      • Threat
        • QAB1(F)
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(F);
      • Vars
        • K(a);P-FLIGHT::QAR1(F)
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • P(c);
    • Try
      • Q(F);
      • Vars
        • K(a);S_FLIGHT::QAB1(F)
      • Refutation
        • P(c);
  • Actual
    • R(D);
    • Threat
      • QAB(F)
    • Vars
      • K(a);S_FLIGHT,XR(D)::QAR(F)+S(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).