MESON Chess Problem Database

Problem Display
PID: 45059 (8/3BpppN/R3P1p1/3pkPQ1/2pN2P1/2P1rP2/7b/KbB2n2 w - - 0 1)

Cuppini, Alessandro

Problem Paradise, 2000

8/3BpppN/R3P1p1/3pkPQ1/2pN2P1/2P1rP2/7b/KbB2n2

#2

12 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.f6#
    • 1...Re4
      • 2.f6#
    • 1...Ba2
      • 2.f6#
    • 1...fxe6
      • 2.Rxe6#
  • Tries
    • 1.fxg6+?
      • 1...Bf5
        • 2.Qxf5#
      • 1...f5!
    • 1.exf7?
      • threat
        • 2.Re6#
      • 1...e6
        • 2.Rxe6#
      • 1...Rxc3!
  • Keys
    • 1.Qxe7!
      • threat
        • 2.Qd6#
      • 1...Kf4
        • 2.Qd6#
      • 1...Rxc3
        • 2.Sc6#
      • 1...Rxf3
        • 2.exf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(d);S_CUTB(a)::QAR(H)+P(G)
    • B(a);N_GUARD::QAR(H)+P(G)
    • P(j);OGATE,XP(J)::R1(I),XP(j)
  • Tries
    • Try
      • P(G);CHECK,XP(h)
      • Vars
        • B(a);N_GUARD,P_SPINB(a)::QAR1(H),XB(a)
      • Refutation
        • P(j);P_SPINP(j)
    • Try
      • P(J);XP(j)
      • Threat
        • R1(I)
      • Vars
        • P(i);::R1(I),XP(i)
      • Refutation
        • R(d);XP(C)
  • Actual
    • Q(H);XP(i)
    • Threat
      • QAB1(H)
    • Vars
      • K(g);P_SPINR(d),S_FLIGHT::QAB(H)
      • R(d);XP(C)::S(E)
      • R(d);XP(D)::QAR(H)+P(J),XP(j)
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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).