MESON Chess Problem Database

Problem Display
PID: 176362 (8/3B1p2/4R1N1/1r3p1p/2RBn1kP/qp1b2p1/2n2pQ1/5NbK w - - 0 1)

ten Cate, Pieter

Schach-Echo, 1972

8/3B1p2/4R1N1/1r3p1p/2RBn1kP/qp1b2p1/2n2pQ1/5NbK

#2

9 + 13

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Sxh2#
    • 1...Bxf1
      • 2.Rxe4#
    • 1...Be2
      • 2.Rxe4#
    • 1...Bxc4
      • 2.Rxe4#
    • 1...Sa1
      • 2.Se3#
    • 1...Se1
      • 2.Se3#
    • 1...Se3
      • 2.Sxe3#
    • 1...Sb4
      • 2.Se3#
    • 1...Sxd4
      • 2.Se3#
    • 1...Sd2
      • 2.Qxg3#
    • 1...Sc3
      • 2.Qxg3#
    • 1...Sc5
      • 2.Qxg3#
    • 1...Sg5
      • 2.Qxg3#
    • 1...Sd6
      • 2.Qxg3#
    • 1...Sf6
      • 2.Qxg3#
  • Tries
    • 1.Be5?
      • threat
        • 2.Qxg3#
      • 1...f4
        • 2.Rf6#
      • 1...Bh2
        • 2.Sxh2#
      • 1...Sd4
        • 2.Se3#
      • 1...Bxc4!
    • 1.Bf6?
      • threat
        • 2.Qxg3#
      • 1...Bxf1
        • 2.Rexe4#
      • 1...Bxc4
        • 2.Rxe4#
      • 1...f4
        • 2.Re5#
      • 1...Bh2
        • 2.Sxh2#
      • 1...Sd4
        • 2.Se3#
      • 1...Qd6!
  • Keys
    • 1.Bc5!
      • threat
        • 2.Qxg3#
      • 1...Bxf1
        • 2.Rexe4#
      • 1...Bxc4
        • 2.Rxe4#
      • 1...f4
        • 2.Rf6#
      • 1...Bh2
        • 2.Sxh2#
      • 1...Sd4
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • B(a);N_GUARD::S(A),XB(a)
    • B(f);N_GUARD,XS(A)::R(G),XS(h)
    • B(f);N_GUARD::R(G),XS(h)
    • B(f);N_GUARD,XR(D)::R(G),XS(h)
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
    • S(b);N_GUARD,XB(E)::S(A)
    • S(h);N_GUARD::QAR1(C),XP(g)
  • Tries
    • Try
      • B(E);P_PINS(h)
      • Threat
        • QAR1(C),XP(g)
      • Vars
        • P(k);N_SPINS(h),OGATEB::B(I)+R(G)
        • B(a);N_GUARD::S(A),XB(a)
        • S(b);N_GUARD,N_SPINS(h)::S(A)
      • Refutation
        • B(f);N_SPINS(h),XR(D)
    • Try
      • B(E);P_PINS(h)
      • Threat
        • QAR1(C),XP(g)
      • Vars
        • B(f);N_GUARD,XS(A)::R(G),XS(h)
        • B(f);N_GUARD,N_SPINS(h),XR(D)::R(G),XS(h)
        • P(k);N_SPINS(h),OGATEB::B(I)+R(G)
        • B(a);N_GUARD::S(A),XB(a)
        • S(b);N_GUARD,N_SPINS(h)::S(A)
      • Refutation
        • Q(d);
  • Actual
    • B(E);P_PINS(h)
    • Threat
      • QAR1(C),XP(g)
    • Vars
      • B(f);N_GUARD,XS(A)::R(G),XS(h)
      • B(f);N_GUARD,N_SPINS(h),XR(D)::R(G),XS(h)
      • P(k);N_SPINS(h),OGATEB::B(I)+R(G)
      • B(a);N_GUARD::S(A),XB(a)
      • S(b);N_GUARD,N_SPINS(h)::S(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).