MESON Chess Problem Database

Problem Display
PID: 125583 (2q2b2/2p5/nN4BQ/1p2p3/b2kN2B/1R1ppPP1/2R5/K7 w - - 0 1)

Goldschmidt, Josef

Match: France - Israel, 1966

2q2b2/2p5/nN4BQ/1p2p3/b2kN2B/1R1ppPP1/2R5/K7

#2

10 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.Rb4#
    • 1...dxc2
      • 2.Qxe3#
    • 1...d2
      • 2.Qxe3#
    • 1...b4
      • 2.Rc4#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Rxd3#
      • 1...Bxb3
        • 2.Sxb3#
      • 1...Sxc5
        • 2.Rb4#
      • 1...dxc2
        • 2.Qxe3#
      • 1...e4
        • 2.Bf6#
      • 1...Sb4
        • 2.Rxb4#
      • 1...d2
        • 2.Rd3#
        • 2.Qxe3#
      • 1...Qf5!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Rxd3#
      • 1...Bxb3
        • 2.Sxb5#
      • 1...dxc2
        • 2.Qxe3#
      • 1...e4
        • 2.Bf6#
      • 1...Qf5
        • 2.Sxf5#
      • 1...Sb4
        • 2.Rxb4#
      • 1...Sc5
        • 2.Rb4#
      • 1...d2
        • 2.Rd3#
        • 2.Qxe3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • S(g);N_GUARD,S_CUTB(j)::R(C)
    • P(a);XR(B)::QAB1(J),XP(b)
    • P(a);::QAB1(J),XP(b)
    • P(e);N_GUARD::R1(B)
  • Tries
    • Try
      • S(F);
      • Threat
        • R1(C),XP(a)
      • Vars
        • B(c);XR(C)::S(F),XB(c)
        • S(g);N_GUARD,XS(F)::R(C)
        • P(a);XR(B)::QAB1(J),XP(b)
        • P(f);OGATEB::B(G)
        • S(g);N_GUARD::R(C),XS(g)
      • Refutation
        • Q(i);
  • Actual
    • S(F);
    • Threat
      • R1(C),XP(a)
    • Vars
      • B(c);N_GUARD,XR(C)::S(F),XP(e)
      • P(a);XR(B)::QAB1(J),XP(b)
      • P(f);OGATEB::B(G)
      • Q(i);N_GUARD::S(F),XQ(i)
      • S(g);N_GUARD::R(C),XS(g)
      • S(g);N_GUARD::R(C)
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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).