MESON Chess Problem Database

Problem Display
PID: 163455 (1q1R4/1p6/8/BKpP1B2/1nPk1pN1/Rn2pP2/b2p4/3N2Q1 w - - 0 1)

Slagmolen, Cornelis

Probleemblad, 1977

1q1R4/1p6/8/BKpP1B2/1nPk1pN1/Rn2pP2/b2p4/3N2Q1

#2

11 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Bc3#
    • 1...Sd3
      • 2.Bc3#
    • 1...Sxd5
      • 2.Bc3#
      • 2.Rxd5#
    • 1...Sa6
      • 2.Bc3#
    • 1...Sc6
      • 2.Bc3#
  • Tries
    • 1.Sdxe3?
      • threat
        • 2.Sd1#
      • 1...Kc3
        • 2.Sd1#
        • 2.Qa1#
      • 1...fxe3
        • 2.Qxe3#
      • 1...d1Q
        • 2.Sxd1#
      • 1...d1S
        • 2.Sxd1#
      • 1...d1B
        • 2.Sxd1#
      • 1...d1R
        • 2.Sxd1#
      • 1...Sc2
        • 2.Sxc2#
      • 1...Sd3
        • 2.Sc2#
      • 1...Qe5!
  • Keys
    • 1.Sgxe3!
      • threat
        • 2.Sg4#
      • 1...Ke5
        • 2.Qg7#
      • 1...fxe3
        • 2.Qxe3#
      • 1...Qe5
        • 2.Sc2#
      • 1...Sc2
        • 2.Bc3#
      • 1...Sd3
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • S(e);OGATE::B(G)
  • Tries
    • Try
      • S(A);XP(d)
      • Threat
        • QAB(B)+S(A)
      • Vars
        • P(g);OGATE,P_SPINP(g),XS(A)::QAB1(B),XP(g)
        • P(b);::QAB(B)+S(A),XQ(b)
        • P(b);::QAB(B)+S(A),XS(b)
        • P(b);::QAB(B)+S(A),XB(b)
        • P(b);::QAB(B)+S(A),XR(b)
        • S(e);::QAB(B)+S(A),DCHECK,XS(e)
        • S(e);::QAB(B)+S(A),DCHECK
      • Refutation
        • Q(j);
  • Actual
    • S(F);XP(d)
    • Threat
      • QAB(B)+S(F)
    • Vars
      • K(f);S_FLIGHT::QAB(B)
      • P(g);OGATE,P_SPINP(g),XS(F)::QAB1(B),XP(g)
      • Q(j);SBLOCK::QAB(B)+S(F),DCHECK
      • S(e);OGATE::B(G)
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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).