MESON Chess Problem Database

Problem Display
PID: 276107 (6B1/2pp4/3n2Q1/pr2R3/3kN3/3p2b1/K7/2BN4 w - - 0 1)

Papadopoulos, G

To Mat, 1960

6B1/2pp4/3n2Q1/pr2R3/3kN3/3p2b1/K7/2BN4

#2

7 + 8

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rb2+
      • 2.Bxb2#
    • 1...Rxe5
      • 2.Bb2#
      • 2.Be3#
    • 1...Bxe5
      • 2.Be3#
    • 1...Sxe4
      • 2.Qxe4#
    • 1...c5
      • 2.Qxd6#
  • Tries
    • 1.Qxd6+?
      • 1...Rd5
        • 2.Qxd5#
      • 1...cxd6!
  • Keys
    • 1.Sd2!
      • threat
        • 2.Sf3#
      • 1...Rb2+
        • 2.Bxb2#
      • 1...Kxe5
        • 2.Sf3#
      • 1...Rxe5
        • 2.Sb3#
      • 1...Bxe5
        • 2.Qg1#
      • 1...Rd5
        • 2.Rxd5#
      • 1...Sf7
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(e);CHECK,N_GUARD::B(A),XR(e)
    • B(b);SBLOCK,XR(E)::B(A)
    • S(f);OGATE,XS(D)::QAR1(F),XS(f)
    • P(g);N_GUARD,S_CUTR(e)::QAR2(F),XS(f)
  • Tries
    • Try
      • Q(F);CHECK,XS(f)
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::QAR1(F),XR(e)
      • Refutation
        • P(g);XQ(F)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • R(e);CHECK,N_GUARD::B(A),XR(e)
      • K(c);S_FLIGHT,XR(E)::S(D)
      • R(e);N_GUARD,SBLOCK,XR(E)::S(D)
      • B(b);OGATE,SBLOCK,XR(E)::QAB(F)
      • R(e);N_GUARD::R1(E),XR(e)
      • S(f);N_GUARD::QAR1(F)
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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).