MESON Chess Problem Database

Problem Display
PID: 62486 (1B2R3/p2B3K/2r1pP2/3kp1p1/NR2n1N1/2nbpQp1/8/3r2b1 w - - 0 1)

Eddy, Edwin John

Chess, 1944

1B2R3/p2B3K/2r1pP2/3kp1p1/NR2n1N1/2nbpQp1/8/3r2b1

#2

9 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Sxe3#
  • Keys
    • 1.Qf5!
      • threat
        • 2.Qxe5#
      • 1...Sxf6+
        • 2.Sxf6#
      • 1...exf5
        • 2.Rxe5#
      • 1...Sd2
        • 2.Qxd3#
      • 1...Sf2
        • 2.Sxe3#
      • 1...Sc5
        • 2.Sxc3#
      • 1...Sd6
        • 2.Bxe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • B(b);N_GUARD::S(D),XP(e)
  • Actual
    • Q(A);N_PINS(g),P_PINP(i)
    • Threat
      • QAR1(A),XP(i)
    • Vars
      • S(g);CHECK,P_PINQ(A),XP(E)::S(D),XS(g)
      • P(l);N_SPINP(i),OGATE,XQ(A)::R1(I),XP(i)
      • S(g);OGATE,P_PINQ(A)::QAR2(A),XB(d)
      • S(g);P_PINQ(A),S_CUTB(b)::S(D),XP(e)
      • S(g);N_GUARD,P_PINQ(A),SBLOCK,S_CUTR(k)::S(B),XS(c)
      • S(g);P_PINQ(A),S_CUTR(k)::B(F),XP(l)
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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).