MESON Chess Problem Database

Problem Display
PID: 40435 (B1r4Q/B3p3/5ppb/2P5/4n1R1/K4N2/1PN1Pk1r/4R3 w - - 0 1)

Lindner, Laszlo

1st HM., Foldeak TT, 1954

B1r4Q/B3p3/5ppb/2P5/4n1R1/K4N2/1PN1Pk1r/4R3

#2

11 + 8

4080 Mattbilder eines Lebens 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Qxh2#
    • 1...Bd2
      • 2.Qxh2#
    • 1...Be3
      • 2.Qxh2#
    • 1...Bg5
      • 2.Qxh2#
    • 1...Bg7
      • 2.Qxh2#
    • 1...Bf8
      • 2.Qxh2#
    • 1...Sg5
      • 2.c6#
  • Tries
    • 1.Qxh6?
      • threat
        • 2.Qe3#
        • 2.Qxh2#
      • 1...Sg3
        • 2.Qxh2#
      • 1...Rh1
        • 2.Qe3#
      • 1...Rg2
        • 2.Qe3#
      • 1...Rh3
        • 2.Qe3#
      • 1...Rh4
        • 2.Qe3#
      • 1...Rh5
        • 2.Qe3#
      • 1...Rh8
        • 2.Qe3#
      • 1...Sg5
        • 2.Qxh2#
        • 2.c6#
      • 1...g5
        • 2.Qxh2#
      • 1...Rxh6!
    • 1.c6+?
      • 1...Be3
        • 2.Bxe3#
        • 2.Qxh2#
      • 1...Sc5!
  • Keys
    • 1.Sg5!
      • threat
        • 2.Sxe4#
      • 1...Rh3+
        • 2.Sxh3#
      • 1...Bxg5
        • 2.Qxh2#
      • 1...Sxc5
        • 2.Se4#
      • 1...Sxg5
        • 2.c6#
      • 1...fxg5
        • 2.Qd4#
      • 1...Sd2
        • 2.c6#
      • 1...Sc3
        • 2.c6#
      • 1...Sg3
        • 2.Rf4#
      • 1...Sd6
        • 2.c6#
      • 1...f5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 5
  • Sets
    • B(f);OGATE,P_PINP(B)::QAR2(K),XR(b)
    • B(f);OGATE::QAR2(K),XR(b)
    • S(c);N_GUARD,S_CUTB(f)::B(I)+P(H)
  • Tries
    • Try
      • Q(K);XB(f)
      • Threat
        • DUALS(2)
      • Vars
        • S(c);::QAR2(K),XR(b)
        • R(b);::QAB1(K)
        • R(b);P_PINS(F)::QAB1(K)
        • R(h);::QAB1(K)
        • P(e);::QAR2(K),XR(b)
      • Refutation
        • R(b);XQ(K)
    • Try
      • P(H);CHECK
      • Refutation
        • S(c);P_SPINS(c)
  • Actual
    • S(F);
    • Threat
      • S(F),XS(c)
    • Vars
      • R(b);CHECK,N_GUARD::S(F),XR(b)
      • B(f);OGATE,XS(F)::QAR2(K),XR(b)
      • S(c);P_SPINS(c),XP(H)::S(F)
      • S(c);N_GUARD,XS(F)::B(I)+P(H)
      • P(d);OGATE,XS(F)::QAB(K)
      • S(c);N_GUARD::B(I)+P(H)
      • S(c);SBLOCK::R(G)
      • P(d);OGATE::QAB(K)
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).