MESON Chess Problem Database

Problem Display
PID: 224456 (3B4/4bpp1/2P2k2/4p2P/Q2p1pK1/4R3/8/8 w - - 0 1)

Vaux, Roberts

Philadelphia Times, 1887

3B4/4bpp1/2P2k2/4p2P/Q2p1pK1/4R3/8/8

#2

6 + 7

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qxd4!
      • threat
        • 2.Qxe5#
        • 2.Qd6#
      • 1...Ke6
        • 2.Qxe5#
      • 1...fxe3
        • 2.Qd6#
      • 1...exd4
        • 2.Bxe7#
      • 1...g5
        • 2.Qxe5#
      • 1...g6
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(B);P_PINP(c),XP(a)
    • Threat
      • DUALS(2)
    • Vars
      • K(d);N_SPINB(e),P-FLIGHT::QAR1(B),XP(c)
      • P(b);XR(A)::QAR2(B)
      • P(c);N_SPINP(c),XQ(B)::B(F),XB(e)
      • P(g);::QAB1(B),XP(c)
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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).