MESON Chess Problem Database

Problem Display
PID: 63828 (2N1b2B/b2B2n1/Np1Qp3/6nR/2k1p1rq/8/1K2P2p/8 w - - 0 1)

Pavlov, Mikhail Aleksandrovich

Vahlakov, Yuri Nikoleyevich

4th Prize, Magyar Sakkelet, 1979

2N1b2B/b2B2n1/Np1Qp3/6nR/2k1p1rq/8/1K2P2p/8

#2

8 + 11

3750 FIDE Album (1977-1979) 1984

SOLUTION

  • SOUND
  • Sets
    • 1...Bb8
      • 2.Sxb6#
    • 1...Sf3
      • 2.Qb4#
    • 1...Sh3
      • 2.Qb4#
    • 1...Sf7
      • 2.Qb4#
    • 1...Sh7
      • 2.Qb4#
    • 1...Sf5
      • 2.Qc6#
    • 1...Sxh5
      • 2.Qd4#
      • 2.Qc6#
    • 1...e3
      • 2.Qd3#
  • Tries
    • 1.Qd1?
      • threat
        • 2.Sd6#
      • 1...Bb8
        • 2.Sxb6#
      • 1...Sf7
        • 2.Qa4#
      • 1...Sf5
        • 2.Qb3#
      • 1...Qg3!
  • Keys
    • 1.Qe5!
      • threat
        • 2.Sd6#
      • 1...Bb8
        • 2.Sxb6#
      • 1...Sf7
        • 2.Qc3#
      • 1...Sf5
        • 2.Qb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • B(i);N_GUARD::S(G),XP(g)
    • S(f);::QAR1(E)
    • S(j);::QAR2(E)
    • P(c);N_GUARD::QAB1(E)
  • Tries
    • Try
      • Q(E);
      • Threat
        • S(G)
      • Vars
        • B(i);N_GUARD::S(G),XP(g)
        • S(f);::QAR2(E)
        • S(j);::QAB1(E)
      • Refutation
        • Q(e);
  • Actual
    • Q(E);
    • Threat
      • S(G)
    • Vars
      • B(i);N_GUARD::S(G),XP(g)
      • S(f);::QAR1(E)
      • S(j);::QAB1(E)
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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).