MESON Chess Problem Database

Problem Display
PID: 99556 (2Bn4/K3P1rQ/1Ppk1nbR/2p1Rp2/4P3/5N2/1B6/8 w - - 0 1)

Paros, Gyorgy

Magyar Sakkszovetseg, 1964

2Bn4/K3P1rQ/1Ppk1nbR/2p1Rp2/4P3/5N2/1B6/8

#2

10 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe7+
      • 2.Qxe7#
    • 1...Bf7
      • 2.exd8Q#
      • 2.exd8R#
    • 1...Sd7
      • 2.e8S#
    • 1...Se6
      • 2.Rxe6#
    • 1...Sb7
      • 2.Re6#
    • 1...Sf7
      • 2.Re6#
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sc4#
      • 1...Rxe7+
        • 2.Qxe7#
      • 1...Se6
        • 2.Rxe6#
      • 1...Bf7
        • 2.exd8Q#
        • 2.exd8R#
      • 1...c4
        • 2.Sxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(g);CHECK,OGATE,XP(H)::QAB1(I),XR(g)
    • B(f);N_PINP(H),P_SPINS(e)::PXS(h)=Q
    • S(e);N_PINP(H),P_SPINB(f)::P=S
    • S(h);N_GUARD::R1(D),XS(h)
    • S(h);N_GUARD,N_PINP(H)::R1(D)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • R(g);CHECK,OGATE,XP(H)::QAB1(I),XR(g)
      • S(h);N_GUARD::R1(D),XS(h)
      • B(f);N_PINP(H),P_SPINS(e)::PXS(h)=Q
      • P(a);::S(B),XP(a)
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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).