MESON Chess Problem Database

Problem Display
PID: 188448 (1b4BB/p1R2q1p/R1P1k2P/1Nrb1Nn1/2r1nK2/2p1QPpp/3p1p2/8 w - - 0 1)

Fink, Adolf Jay

To Alain White, 1945

1b4BB/p1R2q1p/R1P1k2P/1Nrb1Nn1/2r1nK2/2p1QPpp/3p1p2/8

#2

11 + 15

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Sxd4#
    • 1...Bxc7+
      • 2.Sxc7#
    • 1...Sxf3
      • 2.Bxf7#
  • Tries
    • 1.Kg4?
      • threat
        • 2.Re7#
      • 1...Bxc7
        • 2.Sxc7#
      • 1...Bxc6!
  • Keys
    • 1.Qd4!
      • threat
        • 2.Qe5#
      • 1...Bxc7+
        • 2.Sxc7#
      • 1...Rxd4
        • 2.Sxd4#
      • 1...Bxc6
        • 2.Qd7#
      • 1...Sxf3
        • 2.Bxf7#
      • 1...Sd6
        • 2.Re7#
      • 1...Sf6
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD::S(D),XR(f)
    • B(o);CHECK,XR(I)::S(D),XB(o)
    • S(j);N_GUARD,XP(B)::B(J),XQ(m)
  • Tries
    • Try
      • K(C);N_SPINR(I),N_SPINS(E),P-FLIGHT
      • Threat
        • R1(I)
      • Vars
        • B(o);XR(I)::S(D),XB(o)
      • Refutation
        • B(i);P_SPINB(i),XP(G)
  • Actual
    • Q(A);N_PINS(g)
    • Threat
      • QAR1(A)
    • Vars
      • B(o);CHECK,XR(I)::S(D),XB(o)
      • R(f);XQ(A)::S(D),XR(f)
      • B(i);OGATE,P_SPINB(i),XP(G)::QAB1(A)
      • S(j);N_GUARD,XP(B)::B(J),XQ(m)
      • S(g);N_PINR(I),P_PINQ(A)::R1(I)
      • S(g);N_PINS(E),P_PINQ(A)::S(E)
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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).