MESON Chess Problem Database

Problem Display
PID: 176548 (K2n4/bR2Q1pB/4bp2/2pp2N1/2pk1P2/Bp4R1/8/rr6 w - - 0 1)

Szabo, Georgy

Schach-Echo, 1964

K2n4/bR2Q1pB/4bp2/2pp2N1/2pk1P2/Bp4R1/8/rr6

#2

8 + 12

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bh3
      • 2.Qe3#
    • 1...Bg4
      • 2.Qe3#
    • 1...Bf5
      • 2.Qe3#
    • 1...Bd7
      • 2.Qe3#
    • 1...Bf7
      • 2.Qe3#
    • 1...Bc8
      • 2.Qe3#
    • 1...Bg8
      • 2.Qe3#
    • 1...Bb8
      • 2.Qxc5#
    • 1...Sc6
      • 2.Sxe6#
    • 1...Sxb7
      • 2.Sxe6#
    • 1...Sf7
      • 2.Sxe6#
    • 1...fxg5
      • 2.Qxg7#
    • 1...f5
      • 2.Qxg7#
    • 1...g6
      • 2.Qxf6#
  • Tries
    • 1.Rxa7?
      • threat
        • 2.Bxc5#
        • 2.Qxc5#
      • 1...c3
        • 2.Qxc5#
      • 1...Sb7
        • 2.Sxe6#
      • 1...Rxa3!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Rd3#
      • 1...cxb4
        • 2.Qxa7#
      • 1...Rd1
        • 2.Bb2#
      • 1...Bf5
        • 2.Qe3#
      • 1...f5
        • 2.Qxg7#
      • 1...g6
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 11
  • Sets
    • B(h);OGATE::QAB1(F)
    • B(j);N_GUARD,P_PINB(A)::QAB1(F),XP(f)
    • S(l);N_GUARD::S(D),XB(h)
    • S(l);N_GUARD,XR(E)::S(D),XB(h)
    • P(i);OGATEB,XS(D)::QAB(F),XP(k)
    • P(i);OGATEB::QAB(F),XP(k)
    • P(k);N_GUARD::QAB(F),XP(i)
  • Tries
    • Try
      • R(E);XB(j)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);::QAB1(F),XP(f)
        • S(l);N_GUARD::S(D),XB(h)
      • Refutation
        • R(a);P_PINR(E),XB(A)
  • Actual
    • R(E);P_PINP(d)
    • Threat
      • R1(B)
    • Vars
      • P(f);N_SPINP(d),OGATEB,XR(E)::QAB(F),XB(j)
      • R(b);N_GUARD::B(A)
      • B(h);OGATE::QAB1(F)
      • P(i);OGATEB::QAB(F),XP(k)
      • P(k);N_GUARD::QAB(F),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).