MESON Chess Problem Database

Problem Display
PID: 105565 (2nKB2b/8/4P1RP/4Pk1q/3PpN1P/5N1P/5QpB/7b w - - 0 1)

Schneider, Vilmos

Szerkeszti temaverseny, 1952

2nKB2b/8/4P1RP/4Pk1q/3PpN1P/5N1P/5QpB/7b

#2

13 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qxf3
      • 2.Rg5#
    • 1...Qg4
      • 2.hxg4#
    • 1...Qxg6
      • 2.Bxg6#
    • 1...Qxh4+
      • 2.Sxh4#
    • 1...Qg5+
      • 2.Rxg5#
    • 1...Bf6+
      • 2.Rxf6#
    • 1...exf3
      • 2.Qc2#
    • 1...e3
      • 2.Qc2#
  • Tries
    • 1.Sxg2?
      • threat
        • 2.Se3#
      • 1...Qxh4+
        • 2.Sgxh4#
        • 2.Sfxh4#
      • 1...Qg5+
        • 2.Sxg5#
      • 1...Bf6+
        • 2.Rxf6#
      • 1...Qxg6
        • 2.Sg5#
      • 1...Qxh6
        • 2.Sg5#
      • 1...exf3
        • 2.Qc2#
      • 1...e3
        • 2.Qc2#
      • 1...Bxg2!
    • 1.e7?
      • threat
        • 2.Bd7#
      • 1...Qxg6
        • 2.Bxg6#
      • 1...exf3
        • 2.Qc2#
      • 1...e3
        • 2.Qc2#
      • 1...Sb6!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Se3#
      • 1...Qxh4+
        • 2.Sxh4#
      • 1...Qg5+
        • 2.Sxg5#
      • 1...Bf6+
        • 2.Rxf6#
      • 1...Qxg6
        • 2.Sg5#
      • 1...Qxh6
        • 2.Sg5#
      • 1...exf3
        • 2.Qc2#
      • 1...e3
        • 2.Qc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 2
  • Sets
    • Q(e);N_GUARD,XS(C)::R1(J)
    • Q(e);OGATE::P(D),XQ(e)
    • Q(e);OGATE,XR(J)::B(M),XQ(e)
    • Q(e);CHECK,XP(G)::S(C),XQ(e)
    • Q(e);CHECK,N_GUARD::R1(J),XQ(e)
    • B(g);CHECK,N_GUARD::R1(J),XB(g)
    • P(c);OGATEB,XS(C)::QAB(A)
    • P(c);OGATEB::QAB(A)
  • Tries
    • Try
      • S(F);XP(b)
      • Threat
        • S(F)
      • Vars
        • Q(e);CHECK,N_GUARD::QAR(A)+S(C),XQ(e)
        • B(g);CHECK,N_GUARD::R1(J),XB(g)
        • Q(e);N_GUARD,XR(J)::QAR(A)+S(C)
        • Q(e);N_GUARD,XP(K)::QAR(A)+S(C)
        • P(c);OGATEB,P_SPINP(c),XS(C)::QAB(A)
        • P(c);OGATEB::QAB(A)
      • Refutation
        • B(a);XS(F)
    • Try
      • P(I);
      • Threat
        • B(M)
      • Vars
        • Q(e);OGATE,XR(J)::B(M),XQ(e)
        • P(c);OGATEB,XS(C)::QAB(A)
        • P(c);OGATEB::QAB(A)
      • Refutation
        • S(f);
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • Q(e);CHECK,XP(G)::QAR(A)+S(C),DCHECK,XQ(e)
      • Q(e);CHECK,N_GUARD::QAR(A)+S(C),XQ(e)
      • B(g);CHECK,N_GUARD::R1(J),XB(g)
      • Q(e);N_GUARD,XR(J)::QAR(A)+S(C)
      • Q(e);N_GUARD,XP(K)::QAR(A)+S(C)
      • P(c);OGATEB,P_SPINP(c),XS(C)::QAB(A)
      • P(c);OGATEB::QAB(A)
HTML5 logo

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).