MESON Chess Problem Database

Problem Display
PID: 108107 (3Q2B1/1pP1pq2/5p2/2B1kr2/3NPb1R/5R2/8/7K w - - 0 1)

Garofalo, Antonio

Telescacco 92, 1996

3Q2B1/1pP1pq2/5p2/2B1kr2/3NPb1R/5R2/8/7K

#2

9 + 7

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Qxd5#
    • 1...Qh5
      • 2.Qxe7#
      • 2.Qd5#
    • 1...Qg6
      • 2.Qxe7#
      • 2.Qd5#
    • 1...Qe8
      • 2.Qd5#
    • 1...Qg7
      • 2.Qd5#
    • 1...Qh7
      • 2.Qd5#
    • 1...Qf8
      • 2.Qd5#
    • 1...Bc1
      • 2.Rxf5#
    • 1...Bd2
      • 2.Rxf5#
    • 1...Bh2
      • 2.Rxf5#
    • 1...Be3
      • 2.Rxf5#
    • 1...Bg3
      • 2.Rxf5#
    • 1...Bg5
      • 2.Rxf5#
    • 1...Bh6
      • 2.Rxf5#
  • Tries
    • 1.Sc6+?
      • 1...Kxe4
        • 2.Re3#
        • 2.Qd3#
      • 1...Ke6
        • 2.Qxe7#
        • 2.Qc8#
        • 2.c8Q#
        • 2.c8B#
      • 1...bxc6!
    • 1.Qxe7+?
      • 1...Qe6
        • 2.Qxe6#
      • 1...Qxe7!
  • Keys
    • 1.Se6!
      • threat
        • 2.Qd5#
      • 1...Kxe4
        • 2.Re3#
      • 1...Kxe6
        • 2.Qxe7#
      • 1...Qxe6
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 12
  • Sets
    • Q(g);N_GUARD::QAR1(H),XQ(g)
    • Q(g);N_GUARD::QAR1(H)
    • Q(g);N_GUARD,P_PINR(E)::QAR1(H)
    • B(a);OGATE::R1(B),XR(c)
  • Tries
    • Try
      • S(C);CHECK
      • Refutation
        • P(e);XS(C)
    • Try
      • Q(H);CHECK,XP(f)
      • Vars
        • Q(g);N_GUARD,P_SPINQ(g)::QAR1(H),XQ(g)
      • Refutation
        • Q(g);XQ(H)
  • Actual
    • S(C);
    • Threat
      • QAR1(H)
    • Vars
      • K(b);OGATEB,P-FLIGHT,P_SPINB(a),XP(D)::R1(B)
      • K(b);OGATEB,P-FLIGHT,P_SPINQ(g),XS(C)::QAR1(H),XP(f)
      • Q(g);XS(C)::QAB1(H)
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Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).