MESON Chess Problem Database

Problem Display
PID: 44091 (4R3/2p5/2rPb1Q1/N1nk4/q1Rn1PP1/BPr2p2/8/3N2bK w - - 0 1)

Salardini, Erio

Het Schaakleven, 1931

4R3/2p5/2rPb1Q1/N1nk4/q1Rn1PP1/BPr2p2/8/3N2bK

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd6
      • 2.Sxc3#
    • 1...Bxg4
      • 2.Sxc3#
      • 2.Re5#
    • 1...Bf5
      • 2.Sxc3#
      • 2.Re5#
    • 1...Bd7
      • 2.Sxc3#
      • 2.Re5#
    • 1...Bf7
      • 2.Sxc3#
      • 2.Re5#
    • 1...Bc8
      • 2.Sxc3#
      • 2.Re5#
    • 1...Bg8
      • 2.Sxc3#
      • 2.Re5#
    • 1...Sxb3
      • 2.Sxc3#
    • 1...Sd3
      • 2.Sxc3#
    • 1...Sa6
      • 2.Sxc3#
    • 1...Sb7
      • 2.Sxc3#
    • 1...Sd7
      • 2.Sxc3#
    • 1...cxd6
      • 2.Sxc3#
  • Tries
    • 1.Qxe6+?
      • 1...Scxe6
        • 2.Sxc3#
      • 1...Sdxe6!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qe5#
      • 1...Ke4
        • 2.Qf5#
      • 1...Kxd6
        • 2.Rd8#
      • 1...cxd6
        • 2.Sxc3#
      • 1...Re3
        • 2.Qxd4#
      • 1...Sd3
        • 2.Sxc3#
      • 1...Sd7
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • R(h);SBLOCK,XP(I)::S(A),XR(b)
    • S(f);XP(D)::S(A),XR(b)
    • S(f);::S(A),XR(b)
    • P(j);SBLOCK,XP(I)::S(A),XR(b)
  • Tries
    • Try
      • Q(J);CHECK,XB(i)
      • Vars
        • S(f);XQ(J)::S(A),XR(b)
      • Refutation
        • S(e);XQ(J)
  • Actual
    • Q(J);
    • Threat
      • QAR1(J)
    • Vars
      • K(g);P_SPINB(i),P_SPINS(e),S_FLIGHT::QAB1(J)
      • K(g);OGATEB,P-FLIGHT,P_SPINB(i),P_SPINS(f),XP(I)::R(K)
      • P(j);SBLOCK,XP(I)::S(A),XR(b)
      • R(b);S_CUTB(a)::QAR1(J),XS(e)
      • S(f);::S(A),XR(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).