MESON Chess Problem Database

Problem Display
PID: 193703 (KN2N3/2BPp3/4kPP1/2R5/2P1B2p/n1pr1rb1/Q4p2/7q w - - 0 1)

Fink, Adolf Jay

2nd Prize, Pittsburgh Gazette-Times, 1915

KN2N3/2BPp3/4kPP1/2R5/2P1B2p/n1pr1rb1/Q4p2/7q

#2

11 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rde3
      • 2.d8S#
    • 1...Rd5
      • 2.cxd5#
    • 1...Rf4
      • 2.Re5#
    • 1...Rxf6
      • 2.Sg7#
    • 1...Bf4
      • 2.Bf5#
    • 1...Be5
      • 2.Rxe5#
    • 1...Bd6
      • 2.d8S#
  • Tries
    • 1.d8Q?
      • threat
        • 2.Qxe7#
      • 1...Rxf6
        • 2.Sg7#
      • 1...exf6
        • 2.Sg7#
      • 1...Rd7
        • 2.Qxd7#
      • 1...Bd6
        • 2.Qd7#
        • 2.Qc8#
      • 1...Rxd8!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Bf5#
      • 1...Rxf6
        • 2.Sg7#
      • 1...Rde3
        • 2.d8S#
      • 1...Rd5
        • 2.cxd5#
      • 1...Rfe3
        • 2.Qg4#
      • 1...Rf4
        • 2.Re5#
      • 1...Rf5
        • 2.Bd5#
      • 1...Be5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • R(e);N_GUARD::P=S
    • R(e);OGATE::P(B),XR(e)
    • R(f);P_PINB(C),S_CUTB(g)::R1(D)
    • R(f);P_PINB(C),SBLOCK,XP(E)::S(K)
    • B(g);S_CUTR(f)::B(C)
    • B(g);N_GUARD::R1(D),XB(g)
    • B(g);S_CUTR(e)::P=S
  • Tries
    • Try
      • P(H);
      • Threat
        • QAR1(H),XP(j)
      • Vars
        • R(f);P_PINB(C),SBLOCK,XP(E)::S(K)
        • P(j);XP(E)::S(K)
        • R(e);N_GUARD::QAB1(H),XR(e)
      • Refutation
        • R(e);P_PINS(J),XQ(H)
  • Actual
    • Q(A);
    • Threat
      • QAR(A)+B(C),DCHECK
    • Vars
      • R(f);P_PINB(C),SBLOCK,XP(E)::S(K)
      • R(e);N_GUARD::P=S
      • R(e);OGATE::P(B),XR(e)
      • R(f);OGATE,P_PINB(C)::QAB(A)
      • R(f);P_PINB(C),S_CUTB(g)::R1(D)
      • R(f);P_PINB(C),SBLOCK::QAR(A)+B(C),DCHECK
      • B(g);N_GUARD::R1(D),XB(g)
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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).