MESON Chess Problem Database

Problem Display
PID: 42435 (B3bQ2/1R6/p1n1p3/3k4/KP1Bp3/1n6/3N4/3R4 w - - 0 1)

Battaglia, Emilio

Recomm., BCF 033. Ty., 1939-1940

B3bQ2/1R6/p1n1p3/3k4/KP1Bp3/1n6/3N4/3R4

#2

8 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bh5
      • 2.Rd7#
    • 1...Bg6
      • 2.Rd7#
    • 1...Bd7
      • 2.Rxd7#
    • 1...Bf7
      • 2.Rd7#
    • 1...Sa1
      • 2.Qc5#
    • 1...Sc1
      • 2.Qc5#
    • 1...Sxd2
      • 2.Qc5#
    • 1...Sbxd4
      • 2.Qc5#
    • 1...Sba5
      • 2.Qc5#
    • 1...Sc5+
      • 2.Qxc5#
    • 1...Sxb4+
      • 2.Rd7#
    • 1...Scxd4+
      • 2.Rb5#
    • 1...Sca5+
      • 2.Rd7#
    • 1...Se5+
      • 2.Rd7#
    • 1...Sa7+
      • 2.Rd7#
    • 1...Se7+
      • 2.Rd7#
    • 1...Sb8+
      • 2.Rd7#
    • 1...Sd8+
      • 2.Rd7#
  • Keys
    • 1.Be5!
      • threat
        • 2.Qd6#
      • 1...Sc5+
        • 2.Qxc5#
      • 1...Sxb4+
        • 2.Rb5#
      • 1...Scd4+
        • 2.Rb5#
      • 1...Sca5+
        • 2.Rb5#
      • 1...Sxe5+
        • 2.Rd7#
      • 1...Sa7+
        • 2.Rb5#
      • 1...Se7+
        • 2.Rb5#
      • 1...Sb8+
        • 2.Rb5#
      • 1...Sd8+
        • 2.Rb5#
      • 1...Kxe5
        • 2.Sc4#
      • 1...Sxd2
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • B(g);N_GUARD::R(F)
    • B(g);N_GUARD::R(F),XB(g)
    • S(a);N_GUARD::QAR1(H)
    • S(a);N_GUARD,XS(B)::QAR1(H)
    • S(a);N_GUARD,XB(E)::QAR1(H)
    • S(a);CHECK,N_GUARD::QAR1(H),XS(a)
    • S(e);CHECK,XP(D)::B(G)+R(F),DCHECK
    • S(e);CHECK,SBLOCK,XB(E)::B(G)+R(F),DCHECK
    • S(e);CHECK::B(G)+R(F),DCHECK
  • Actual
    • B(E);
    • Threat
      • QAR1(H)
    • Vars
      • S(a);CHECK,N_GUARD::QAR1(H),XS(a)
      • S(e);CHECK,XP(D)::B(G)+R(F),DCHECK
      • S(e);CHECK::B(G)+R(F),DCHECK
      • S(e);CHECK,SBLOCK,XB(E)::B(G)+R(F),DCHECK
      • K(c);P-FLIGHT,XB(E)::S(B)
      • S(a);N_GUARD,P_SPINS(a),XS(B)::QAR1(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).