MESON Chess Problem Database

Problem Display
PID: 150453 (2b4B/2P3R1/2pkp3/Q3N1P1/1p2rp2/1P2pB2/4N1K1/8 w - - 0 1)

Tucker, Frederick G

Western Morning News, 1937

(First published on Sat Dec 11 1937)

2b4B/2P3R1/2pkp3/Q3N1P1/1p2rp2/1P2pB2/4N1K1/8

#2

10 + 8

14868 Pirnie Collection 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Sxc4#
    • 1...Ba6
      • 2.Rd7#
    • 1...Bb7
      • 2.Rd7#
    • 1...Bd7
      • 2.Rxd7#
  • Tries
    • 1.Bxe4?
      • threat
        • 2.Sc4#
      • 1...Ba6
        • 2.Rd7#
      • 1...f3+!
  • Keys
    • 1.Qb6!
      • 1...Kd5
        • 2.Qd4#
      • 1...Kxe5
        • 2.Qc5#
      • 1...Rxe5
        • 2.Qxc6#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Rc4
        • 2.Sxc4#
      • 1...Ba6
        • 2.Rd7#
      • 1...Bb7
        • 2.Rd7#
      • 1...Bd7
        • 2.Rxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::S(F),XR(c)
    • B(h);N_GUARD::R1(I)
    • B(h);N_GUARD::R1(I),XB(h)
  • Tries
    • Try
      • B(D);XR(c)
      • Threat
        • S(F)
      • Vars
        • B(h);N_GUARD::R1(I)
      • Refutation
        • P(d);CHECK
  • Actual
    • Q(E);P_PINP(e)
    • Vars
      • K(f);N_SPINP(e),P-FLIGHT,P_SPINR(c)::QAR1(E)
      • K(f);N_SPINP(e),S_FLIGHT,XS(F)::QAR2(E)
      • R(c);SBLOCK,XS(F)::QAR1(E),XP(e)
      • R(c);N_GUARD::QAR2(E),XR(c)
      • R(c);N_GUARD::S(F),XR(c)
      • B(h);N_GUARD::R1(I)
      • B(h);N_GUARD::R1(I),XB(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).