MESON Chess Problem Database

Problem Display
PID: 187745 (3KNB2/R4p2/1Pp2r2/1b2k1P1/1Rp2N2/2pQ4/qrn4P/2b5 w - - 0 1)

von Sponer, Gyorgy Janos Andor

Pesti Naplo, 1909

3KNB2/R4p2/1Pp2r2/1b2k1P1/1Rp2N2/2pQ4/qrn4P/2b5

#2

10 + 11

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf4
      • 2.Re7#
    • 1...Rf5
      • 2.Bd6#
    • 1...Rd6+
      • 2.Bxd6#
  • Keys
    • 1.Sd6!
      • threat
        • 2.Qe4#
      • 1...Rxd6+
        • 2.Bxd6#
      • 1...Kxf4
        • 2.Qg3#
      • 1...Rxf4
        • 2.Re7#
      • 1...cxd3
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(j);N_GUARD,SBLOCK,XS(D)::R(G)
    • R(j);N_GUARD::B(J)
    • R(j);CHECK,N_GUARD::B(J),XR(j)
  • Actual
    • S(I);
    • Threat
      • QAR1(B)
    • Vars
      • R(j);CHECK,OGATE,XS(I)::B(J),XR(j)
      • K(h);OGATEB,P_SPINP(f),S_FLIGHT,XS(D)::QAB1(B)
      • R(j);N_GUARD,SBLOCK,XS(D)::R(G)
      • P(f);OGATE,XQ(B)::R1(C)
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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).