MESON Chess Problem Database

Problem Display
PID: 99574 (2Nn1b2/1pR1p3/NQ6/P2k2nr/5P2/qp2P2P/2B3K1/1b6 w - - 0 1)

Talaber, Laszlo

Pest megyei Sakkszovetseg, 1965

2Nn1b2/1pR1p3/NQ6/P2k2nr/5P2/qp2P2P/2B3K1/1b6

#2

10 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Sb4#
      • 2.Rc5#
      • 2.Qxb3#
    • 1...Qb2
      • 2.Sb4#
      • 2.Rc5#
    • 1...Qb4
      • 2.Sxb4#
    • 1...Qc5
      • 2.Rxc5#
    • 1...Qd6
      • 2.Qxb3#
    • 1...Qa1
      • 2.Sb4#
      • 2.Rc5#
      • 2.Qxb3#
    • 1...Qa2
      • 2.Sb4#
      • 2.Rc5#
    • 1...Qa4
      • 2.Rc5#
    • 1...Qxa5
      • 2.Qxb3#
    • 1...Sf3
      • 2.e4#
    • 1...Sxh3
      • 2.e4#
    • 1...Sge6
      • 2.e4#
    • 1...Sgf7
      • 2.e4#
    • 1...Sh7
      • 2.e4#
    • 1...Sde6
      • 2.Qxb7#
    • 1...e6
      • 2.Qd4#
  • Tries
    • 1.Qc5+?
      • 1...Ke6
        • 2.Qf5#
      • 1...Qxc5!
    • 1.Qb5+?
      • 1...Ke6
        • 2.Qf5#
      • 1...Qc5!
  • Keys
    • 1.Qg6!
      • threat
        • 2.Sb6#
      • 1...Qxa5
        • 2.Bxb3#
      • 1...Qc5
        • 2.Rxc5#
      • 1...Qd6
        • 2.Bxb3#
      • 1...Qb4
        • 2.Sxb4#
      • 1...Sge6
        • 2.Qe4#
      • 1...Sde6
        • 2.Qf5#
      • 1...b6
        • 2.Sxb6#
      • 1...e6
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • Q(b);N_GUARD::S(G),XQ(b)
    • Q(b);N_GUARD::R1(I),XQ(b)
    • Q(b);N_GUARD::QAB(H),XP(c)
    • Q(b);N_GUARD::R1(I)
    • Q(b);N_GUARD,XP(F)::QAB(H),XP(c)
    • S(e);N_GUARD::P(C)
    • S(e);N_GUARD,XP(D)::P(C)
    • S(i);N_GUARD,SBLOCK::QAB(H),XP(g)
    • P(h);SBLOCK::QAR1(H)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAB1(H)
      • Refutation
        • Q(b);XQ(H)
    • Try
      • Q(H);CHECK
      • Vars
        • K(d);OGATE,S_FLIGHT::QAB1(H)
      • Refutation
        • Q(b);P_SPINQ(b)
  • Actual
    • Q(H);
    • Threat
      • S(J)
    • Vars
      • Q(b);N_GUARD,XP(F)::B(A),XP(c)
      • Q(b);N_GUARD::R1(I),XQ(b)
      • Q(b);N_GUARD::B(A),XP(c)
      • Q(b);N_GUARD::S(G),XQ(b)
      • S(e);N_GUARD::QAB1(H)
      • S(i);S_CUTP(h)::QAR2(H)
      • P(g);::S(J),XP(g)
      • P(h);SBLOCK::QAR2(H)
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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).