MESON Chess Problem Database

Problem Display
PID: 218612 (bK4n1/rn6/8/1p2kpP1/1R1p1N1P/3R1P2/3Qprp1/6B1 w - - 0 1)

Bristow, Henry

Charleston Sunday News, 1882

bK4n1/rn6/8/1p2kpP1/1R1p1N1P/3R1P2/3Qprp1/6B1

#2

9 + 11

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Re3+?
      • 1...Kxf4
        • 2.Bh2#
      • 1...dxe3
        • 2.Qd4#
        • 2.Qd5#
      • 1...Kd6!
    • 1.Qe3+?
      • 1...dxe3
        • 2.Rd5#
      • 1...Kd6!
    • 1.Qb2?
      • threat
        • 2.Qxd4#
      • 1...Kxf4
        • 2.Bh2#
      • 1...Kd6!
  • Keys
    • 1.Qc3!
      • threat
        • 2.Qxd4#
      • 1...Kxf4
        • 2.Bh2#
      • 1...Kd6
        • 2.Qc7#
      • 1...dxc3
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(C);CHECK
      • Vars
        • K(f);P_SPINP(d),S_FLIGHT,XS(F)::B(A)
      • Refutation
        • K(f);P_SPINP(d),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • P(d);OGATE,XQ(B)::R1(C)
      • Refutation
        • K(f);P_SPINP(d),S_FLIGHT
    • Try
      • Q(B);P_PINP(d)
      • Threat
        • QAB1(B),XP(d)
      • Vars
        • K(f);OGATEB,S_FLIGHT,XS(F)::B(A)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • Q(B);P_PINP(d)
    • Threat
      • QAB1(B),XP(d)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XS(F)::B(A)
      • K(f);S_FLIGHT::QAB1(B)
      • P(d);N_SPINP(d),OGATE,XQ(B)::R1(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).