MESON Chess Problem Database

Problem Display
PID: 145139 (6Bb/2Bn4/r2PNp1p/n2k4/1P1N1P2/1P4pq/1K2Q1b1/8 w - - 0 1)

Guarini, Carlo

1st HM., Western Daily Mercury, 1909

6Bb/2Bn4/r2PNp1p/n2k4/1P1N1P2/1P4pq/1K2Q1b1/8

#2

10 + 10

14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Qh4
      • 2.Qxg2#
    • 1...Bf1
      • 2.Qf3#
    • 1...Bf3
      • 2.Qxf3#
    • 1...Sc4+
      • 2.bxc4#
  • Tries
    • 1.Sf5?
      • threat
        • 2.Se7#
        • 2.Sed4#
        • 2.Sd8#
      • 1...Sc4+
        • 2.Qxc4#
      • 1...Kc6
        • 2.Sd8#
      • 1...Rxd6
        • 2.Se7#
      • 1...Qg4
        • 2.Se7#
      • 1...Qh5
        • 2.Se7#
      • 1...Ra8
        • 2.Se7#
        • 2.Sd8#
      • 1...Sc6
        • 2.Sed4#
        • 2.Sc5#
        • 2.Sg5#
        • 2.Seg7#
        • 2.Sd8#
        • 2.Sf8#
        • 2.Qc4#
      • 1...Sc5
        • 2.Se7#
      • 1...Se5
        • 2.Se7#
      • 1...Sf8
        • 2.Se7#
      • 1...Qxf5!
    • 1.Sc5+?
      • 1...Kxd4
        • 2.Qd3#
        • 2.Qd2#
      • 1...Qe6!
    • 1.Sg5+?
      • 1...Kxd4
        • 2.Qd2#
      • 1...Qe6!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Se7#
      • 1...Sc4+
        • 2.Qxc4#
      • 1...f5+
        • 2.Sed4#
      • 1...Kxc6
        • 2.Sd8#
      • 1...Qxe6
        • 2.Qxg2#
      • 1...Rxc6
        • 2.Qd3#
      • 1...Sxc6
        • 2.Qc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 3
  • Sets
    • Q(c);N_GUARD::QAB(B),XB(a)
    • B(a);N_GUARD::QAB(B)
    • B(a);N_GUARD::QAB(B),XB(a)
    • S(d);CHECK,OGATE::P(C),XS(d)
  • Tries
    • Try
      • S(E);
      • Threat
        • DUALS(3)
      • Vars
        • S(d);CHECK,N_GUARD::QAB1(B),XS(d)
        • K(e);S_FLIGHT::S(H)
        • R(f);XP(G)::S(E)
        • Q(c);::S(E)
        • S(i);::S(E)
      • Refutation
        • Q(c);XS(E)
    • Try
      • S(H);CHECK
      • Refutation
        • Q(c);P_SPINQ(c)
    • Try
      • S(H);CHECK
      • Vars
        • K(e);P-FLIGHT,XS(E)::QAR2(B)
      • Refutation
        • Q(c);P_SPINQ(c)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • S(d);CHECK,N_GUARD::QAB1(B),XS(d)
      • P(g);CHECK,S_CUTQ(c)::B(J)+S(H)
      • K(e);S_FLIGHT,XS(E)::S(H)
      • Q(c);N_GUARD,P_SPINQ(c),XS(H)::QAB(B),XB(a)
      • R(f);SBLOCK,XS(E)::QAR2(B)
      • S(d);N_GUARD,XS(E)::QAB1(B)
HTML5 logo

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).