MESON Chess Problem Database

Problem Display
PID: 117947 (1b1k2n1/1PN2p1r/1P2p2q/K2N2r1/B6B/7Q/3RR3/8 w - - 0 1)

Paros, Gyorgy

Bristol Times and Mirror, 1930

1b1k2n1/1PN2p1r/1P2p2q/K2N2r1/B6B/7Q/3RR3/8

#2

10 + 8

6490 yacpdb 2009
5454 Near Snap 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc7
      • 2.bxc7#
    • 1...exd5
      • 2.Re8#
      • 2.Qd7#
      • 2.Qc8#
    • 1...e5
      • 2.Qd7#
      • 2.Qc8#
    • 1...f6
      • 2.Sxe6#
  • Keys
    • 1.Qa3!
      • threat
        • 2.Qd6#
      • 1...Bxc7
        • 2.bxc7#
      • 1...exd5
        • 2.Re8#
      • 1...Qf8
        • 2.Qxf8#
      • 1...Sf6
        • 2.Qe7#
      • 1...e5
        • 2.Sf6#
      • 1...f5
        • 2.Se7#
      • 1...f6
        • 2.Sxe6#

Anticipated by 22049(1923)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(f);OGATE,P_PINP(H),XS(J)::P(H),XB(f)
    • P(d);N_GUARD,N_SPINR(a),S_CUTQ(c)::S(J),XP(b)
  • Actual
    • Q(C);
    • Threat
      • QAR2(C)
    • Vars
      • B(f);OGATE,P_PINP(H),XS(J)::P(H),XB(f)
      • P(b);OGATE,P_SPINP(b),XS(G)::R1(B)
      • Q(c);N_GUARD::QAR2(C),XQ(c)
      • S(h);N_GUARD,N_SPINR(a)::QAB1(C)
      • P(b);N_PINS(G)::R(A)+S(G)
      • P(d);N_PINS(G)::R(A)+S(G)
      • P(d);N_GUARD,N_SPINR(a),S_CUTQ(c)::S(J),XP(b)
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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).