MESON Chess Problem Database

Problem Display
PID: 223413 (3Q4/1p6/7R/3NpR2/2p1kp2/2P2N1P/8/5K2 w - - 0 1)

Harvey, Phillip Francis

St. Paul Daily Globe, 1885

3Q4/1p6/7R/3NpR2/2p1kp2/2P2N1P/8/5K2

#2

8 + 5

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sd2+?
      • 1...Kxf5
        • 2.Qf6#
      • 1...Kd3!
    • 1.Sg5+?
      • 1...Kxf5
        • 2.Qf6#
      • 1...Kd3!
  • Keys
    • 1.Qb6!
      • 1...Kd3
        • 2.Qb1#
      • 1...Kxf3
        • 2.Qe3#
      • 1...Kxd5
        • 2.Rxe5#
        • 2.Qd4#
      • 1...Kxf5
        • 2.Qg6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(F)::QAR1(H)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(C);CHECK
      • Vars
        • K(b);S_FLIGHT,XR(F)::QAR1(H)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • Q(H);
    • Vars
      • K(b);S_FLIGHT::QAB(H)
      • K(b);P_SPINP(c),S_FLIGHT,XS(C)::QAR1(H)
      • K(b);OGATEB,S_FLIGHT,XR(F)::QAB1(H)
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).