MESON Chess Problem Database

Problem Display
PID: 190102 (2R4Q/3p4/1P4n1/Pb1k1pN1/3n1P2/BpPr4/1N1p4/3K4 w - - 0 1)

Fink, Adolf Jay

The San Francisco Call, 1913

2R4Q/3p4/1P4n1/Pb1k1pN1/3n1P2/BpPr4/1N1p4/3K4

#2

10 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Qxd4#
    • 1...Rf3
      • 2.Qxd4#
    • 1...Rg3
      • 2.Qxd4#
    • 1...Rh3
      • 2.Qxd4#
    • 1...Ba4
      • 2.c4#
    • 1...Bc6
      • 2.c4#
    • 1...Sc2
      • 2.Qg8#
    • 1...Se2
      • 2.Qg8#
    • 1...Sf3
      • 2.Qg8#
    • 1...Sc6
      • 2.Qg8#
    • 1...Sh4
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Se7
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
  • Tries
    • 1.Sxd3?
      • threat
        • 2.Qxd4#
      • 1...Sc6
        • 2.Qg8#
      • 1...Sc2
        • 2.Qh1#
        • 2.Qg8#
      • 1...Se2
        • 2.Qh1#
        • 2.Qg8#
      • 1...Sf3
        • 2.Qg8#
      • 1...Se6
        • 2.Qh1#
      • 1...Se5
        • 2.Qxe5#
      • 1...Sxh8!
    • 1.Qf6?
      • threat
        • 2.Rc5#
        • 2.Qd6#
      • 1...Rxc3
        • 2.Qd6#
      • 1...Bc6
        • 2.Qd6#
        • 2.c4#
      • 1...Sc6
        • 2.Qd6#
        • 2.Qf7#
      • 1...d6
        • 2.Qxd6#
      • 1...Se6!
  • Keys
    • 1.Rc6!
      • threat
        • 2.Rd6#
      • 1...Kxc6
        • 2.Qa8#
      • 1...Bxc6
        • 2.c4#
      • 1...Sxc6
        • 2.Qg8#
      • 1...dxc6
        • 2.Qd8#
      • 1...d6
        • 2.Rxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 12
  • Sets
    • R(c);N_GUARD::QAR1(J),XS(d)
    • B(e);N_GUARD::P(D)
    • S(d);N_GUARD::QAB(J)
    • S(h);N_GUARD::QAR1(J)
    • S(h);N_GUARD::QAR1(J),XS(h)
  • Tries
    • Try
      • S(B);XR(c)
      • Threat
        • QAR1(J),XS(d)
      • Vars
        • S(d);N_GUARD::QAB(J)
        • S(h);N_GUARD::QAR1(J),XS(h)
      • Refutation
        • S(h);XQ(J)
    • Try
      • Q(J);
      • Threat
        • DUALS(2)
      • Vars
        • R(c);XP(D)::QAR1(J)
        • P(i);::QAR1(J),XP(i)
      • Refutation
        • S(d);
  • Actual
    • R(I);
    • Threat
      • R1(I)
    • Vars
      • K(f);OGATEB,S_FLIGHT,XR(I)::QAB(J)
      • B(e);N_GUARD,SBLOCK,XR(I)::P(D)
      • S(d);N_GUARD,SBLOCK,XR(I)::QAB(J)
      • P(i);OGATEB,SBLOCK,XR(I)::QAR(J)
      • P(i);::R1(I),XP(i)
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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).