MESON Chess Problem Database

Problem Display
PID: 68157 (K7/QN3B2/1P6/1p1q4/1nkrP3/p1n5/1Rb1P3/rNR5 w - - 0 1)

Gamage, Frederick

Limburgs Dagblad, 1940

K7/QN3B2/1P6/1p1q4/1nkrP3/p1n5/1Rb1P3/rNR5

#2

10 + 9

5397 Frederick Gamage (Prcic) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Rxc3#
    • 1...Bb3
      • 2.Rxc3#
    • 1...Bd3
      • 2.Sd2#
      • 2.Rxc3#
    • 1...Ba4
      • 2.Rxc3#
    • 1...Bxe4
      • 2.Rxc3#
    • 1...Sa2
      • 2.Sxa3#
    • 1...Sd3
      • 2.Sd2#
    • 1...a2
      • 2.Sa3#
  • Keys
    • 1.Qxa3!
      • threat
        • 2.Rxb4#
      • 1...Rxa3+
        • 2.Sxa3#
      • 1...Rxb1
        • 2.Qxb4#
      • 1...Bb3
        • 2.Rxc3#
      • 1...Sca2
        • 2.Qb3#
      • 1...Sba2
        • 2.Qc5#
      • 1...Sd3
        • 2.Sd2#
      • 1...Sa6
        • 2.Qxc3#
      • 1...Sc6
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 4
  • Sets
    • B(b);OGATE,P_SPINS(d)::R1(B),XS(d)
    • B(b);OGATE,P_SPINS(d),XP(E)::R1(B),XS(d)
    • S(e);S_CUTR(a)::S(A),XP(c)
    • S(e);S_CUTR(g)::S(A)
    • P(c);S_CUTR(a)::S(A)
  • Actual
    • Q(G);P_SPINQ(G),XP(c)
    • Threat
      • R1(C),XS(e)
    • Vars
      • R(a);CHECK,XQ(G)::S(A),XR(a)
      • R(a);N_PINQ(G),XS(A)::QAR1(G),XS(e)
      • B(b);OGATE,P_SPINS(d)::R1(B),XS(d)
      • S(d);N_PINQ(G),P_SPINB(b)::QAB1(G)
      • S(e);N_PINQ(G)::QAR1(G)
      • S(e);S_CUTR(g)::S(A)
      • S(e);N_PINQ(G)::QAR1(G),XS(d)
      • S(e);N_PINS(H)::S(H)
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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).