MESON Chess Problem Database

Problem Display
PID: 184117 (8/1QPNR3/1r6/1kq5/1N6/1K6/8/8 w - - 0 1)

Salthouse, Thomas

British Chess Magazine, 1916

8/1QPNR3/1r6/1kq5/1N6/1K6/8/8

#2

6 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Qxe7
      • 2.Qxb6#
    • 1...Qc1
      • 2.Qxb6#
    • 1...Qd5+
      • 2.Qxd5#
    • 1...Qe5
      • 2.Rxe5#
      • 2.Qxb6#
    • 1...Qf5
      • 2.Qxb6#
    • 1...Qg5
      • 2.Qxb6#
    • 1...Qh5
      • 2.Qxb6#
  • Keys
    • 1.Re5!
      • threat
        • 2.Rxc5#
        • 2.Qxb6#
      • 1...Qd5+
        • 2.Rxd5#
        • 2.Qxd5#
      • 1...Ka5
        • 2.Qxb6#
      • 1...Qxe5
        • 2.Qxb6#
      • 1...Rxb7
        • 2.Rxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • Q(b);N_GUARD,XR(F)::QAR1(C),XR(c)
    • Q(b);N_GUARD::QAR1(C),XR(c)
    • Q(b);CHECK,OGATEB::QAR2(C),XQ(b)
  • Actual
    • R(F);P_PINQ(b)
    • Threat
      • DUALS(2)
    • Vars
      • K(a);N_SPINR(c),P-FLIGHT,P_PINS(B)::QAB1(C),XR(c)
      • Q(b);N_SPINQ(b),XR(F)::QAR1(C),XR(c)
      • R(c);N_SPINR(c),XQ(C)::R1(F),XQ(b)
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).