MESON Chess Problem Database

Problem Display
PID: 242696 (8/2R5/N1n5/Q3n2q/K1k2p2/2p2r2/2PrP3/3N2b1 w - - 0 1)

Hartong, Jan

L'Italia Scacchistica, 1953

8/2R5/N1n5/Q3n2q/K1k2p2/2p2r2/2PrP3/3N2b1

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Qb5#
      • 2.Qc5#
    • 1...Rd5
      • 2.Qb4#
    • 1...Rf2
      • 2.Qc5#
    • 1...Re3
      • 2.Qc5#
    • 1...Bh2
      • 2.Qc5#
    • 1...Bd4
      • 2.Qb5#
    • 1...Bc5
      • 2.Qxc5#
  • Keys
    • 1.e4!
      • threat
        • 2.Qb4#
      • 1...Kd4
        • 2.Qd5#
      • 1...Rxc2
        • 2.Qd5#
      • 1...fxe4 ep
        • 2.Qc5#
      • 1...Sd3
        • 2.Qxc3#
      • 1...Bc5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 5
  • Sets
    • R(b);SBLOCK::QAR1(E)
    • R(d);S_CUTB(a)::QAR1(E)
    • B(a);N_GUARD::QAR1(E)
    • B(a);SBLOCK::QAB1(E)
    • B(a);N_GUARD,N_SPINS(i)::QAR1(E),XB(a)
  • Actual
    • P(C);
    • Threat
      • QAR1(E)
    • Vars
      • K(e);N_SPINS(i),P-FLIGHT::QAR1(E)
      • R(b);N_GUARD,XP(B)::QAB1(E)
      • P(f);EP,S_CUTB(a),XP(C)::QAR1(E)
      • S(g);S_CUTR(d)::QAR1(E),XP(c)
      • B(a);N_GUARD,N_SPINS(i)::QAR1(E),XB(a)
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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).