MESON Chess Problem Database

Problem Display
PID: 144581 (1BnqN3/Q2PkB2/1pP1N1P1/1P2pn2/8/4p3/4P3/b2K4 w - - 0 1)

Salardini, Erio

2nd Prize, Budafoki MTE, 1931

1BnqN3/Q2PkB2/1pP1N1P1/1P2pn2/8/4p3/4P3/b2K4

#2

11 + 8

38 Magyar Sakkvilag 1931

SOLUTION

  • SOUND
  • Sets
    • 1...Qc7
      • 2.dxc8S#
      • 2.d8Q#
      • 2.d8B#
    • 1...Qxd7+
      • 2.Qxd7#
    • 1...Qxe8
      • 2.d8Q#
      • 2.d8B#
    • 1...Bd4
      • 2.dxc8S#
    • 1...Sd4
      • 2.dxc8S#
    • 1...Sfd6
      • 2.dxc8S#
  • Tries
    • 1.Sf6?
      • threat
        • 2.Sd5#
      • 1...Qc7
        • 2.d8Q#
      • 1...Kxf6!
    • 1.Bd6+?
      • 1...Sfxd6
        • 2.dxc8S#
      • 1...Scxd6!
    • 1.Qc7?
      • threat
        • 2.Qxd8#
      • 1...Qxd7+
        • 2.Qxd7#
      • 1...Qxe8
        • 2.dxe8S#
        • 2.d8Q#
        • 2.d8B#
      • 1...Qxc7!
  • Keys
    • 1.S8c7!
      • threat
        • 2.Sd5#
      • 1...Kd6
        • 2.Qa3#
      • 1...Kf6
        • 2.Sd5#
      • 1...Qxc7
        • 2.d8Q#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • Q(h);CHECK,OGATE,P_SPINQ(h),XP(H)::QAR1(G),XQ(h)
    • Q(h);N_PINP(H),XS(K)::P=Q
    • B(a);N_PINP(H)::PXS(g)=S
    • S(d);N_PINP(H)::PXS(g)=S
  • Tries
    • Try
      • S(K);
      • Threat
        • S(K)
      • Vars
        • Q(h);N_PINP(H)::P=Q
      • Refutation
        • K(f);S_FLIGHT,XS(K)
    • Try
      • B(J);CHECK,N_SPINP(H)
      • Vars
        • S(d);XB(J)::PXS(g)=S
      • Refutation
        • S(g);XB(J)
    • Try
      • Q(G);
      • Threat
        • QAB1(G),XQ(h)
      • Vars
        • Q(h);CHECK,OGATE,P_SPINQ(h),XP(H)::QAR1(G),XQ(h)
      • Refutation
        • Q(h);N_PINP(H),XQ(G)
  • Actual
    • S(K);
    • Threat
      • S(K)
    • Vars
      • K(f);N_PINP(H),S_FLIGHT::QAB(G)
      • K(f);S_FLIGHT::S(K)
      • Q(h);N_PINP(H),XS(K)::P=Q
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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).