MESON Chess Problem Database

Problem Display
PID: 132056 (1q3r2/1B6/1bP1p3/1K1kpb1Q/2NB2p1/3PP3/6N1/3RR3 w - - 0 1)

Aliovsadzade, Rauf Gadzhiaga ogli

StrateGems, 1998

1q3r2/1B6/1bP1p3/1K1kpb1Q/2NB2p1/3PP3/6N1/3RR3

#2

11 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qd6
      • 2.Sxb6#
    • 1...Qd8
      • 2.c7#
    • 1...exd4
      • 2.e4#
  • Tries
    • 1.e4+?
      • 1...Bxe4
        • 2.dxe4#
      • 1...Kxd4!
  • Keys
    • 1.Bxe5!
      • threat
        • 2.Sf4#
      • 1...Qxe5
        • 2.c7#
      • 1...Bxd3
        • 2.e4#
      • 1...Bxe3
        • 2.Sgxe3#
      • 1...Be4
        • 2.Sxb6#
      • 1...Bg6
        • 2.Sxb6#
      • 1...Bh7
        • 2.Sxb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 3
  • Sets
    • Q(g);SBLOCK::S(F),XB(e)
    • Q(g);N_GUARD::B(K)+P(J)
    • P(c);P_SPINB(d),SBLOCK,XB(G)::P(E)
  • Tries
    • Try
      • P(E);CHECK
      • Vars
        • B(d);OGATE,P_SPINP(c),XP(E)::P(D),XB(d)
      • Refutation
        • K(b);P-FLIGHT,XB(G)
  • Actual
    • B(G);XP(c)
    • Threat
      • S(C)
    • Vars
      • Q(g);N_GUARD,XB(G)::B(K)+P(J)
      • B(d);N_GUARD,P_PINS(F),P_SPINB(d),XP(D)::P(E)
      • B(e);P_PINB(K),XP(E)::S(C),XB(e)
      • B(d);::S(F),XB(e)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).