MESON Chess Problem Database

Problem Display
PID: 142817 (2r1b1B1/2Q1p1n1/p1n1p3/P2k1NqR/1p6/1P1NpP2/K2b4/3R4 w - - 0 1)

Kiss, Janos

6th HM., BCF 060. Ty., 1948-1949

2r1b1B1/2Q1p1n1/p1n1p3/P2k1NqR/1p6/1P1NpP2/K2b4/3R4

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Bxh5
      • 2.Qd7#
    • 1...Bg6
      • 2.Qd7#
    • 1...Bd7
      • 2.Qxd7#
    • 1...Bf7
      • 2.Qd7#
    • 1...Sd4
      • 2.Sxe7#
    • 1...Sxa5
      • 2.Sxb4#
    • 1...Se5
      • 2.Sxb4#
    • 1...Sa7
      • 2.Sxb4#
    • 1...Sb8
      • 2.Sxb4#
    • 1...Sd8
      • 2.Sxb4#
  • Tries
    • 1.Sxb4+?
      • 1...Kc5
        • 2.Qb6#
      • 1...Sxb4+!
    • 1.Sf4+?
      • 1...Kc5
        • 2.Qb6#
      • 1...Qxf4!
  • Keys
    • 1.Qb6!
      • threat
        • 2.Qc5#
      • 1...Sxa5
        • 2.Sxe7#
      • 1...Sd4
        • 2.Sxe7#
      • 1...Se5
        • 2.Sxb4#
      • 1...Sa7
        • 2.Sxe7#
      • 1...Sb8
        • 2.Sxe7#
      • 1...Sd8
        • 2.Sxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • B(l);N_GUARD,XR(H)::QAR2(I)
    • B(l);N_GUARD::QAR2(I)
    • B(l);N_GUARD::QAR2(I),XB(l)
    • B(l);N_GUARD,N_SPINP(h)::QAR2(I)
    • S(g);N_GUARD,SBLOCK::S(G),XP(i)
    • S(g);N_GUARD,XP(F)::S(D),XP(c)
    • S(g);N_GUARD::S(D),XP(c)
  • Tries
    • Try
      • S(D);CHECK,P_PINB(a),XP(c)
      • Vars
        • K(d);N_SPINB(a),N_SPINP(h),P-FLIGHT,P_SPINS(g)::QAB1(I)
      • Refutation
        • S(g);CHECK,XS(D)
    • Try
      • S(D);CHECK,P_PINB(a)
      • Vars
        • K(d);N_SPINB(a),N_SPINP(h),P-FLIGHT,P_SPINS(g)::QAB1(I)
      • Refutation
        • Q(e);XS(D)
  • Actual
    • Q(I);
    • Threat
      • QAR1(I)
    • Vars
      • S(g);N_GUARD,XP(F)::S(G),XP(i)
      • S(g);N_GUARD::S(G),XP(i)
      • S(g);N_GUARD,SBLOCK::S(D),XP(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).