MESON Chess Problem Database

Problem Display
PID: 185699 (2b2Nq1/K1p3b1/Rn1n1k2/1p2R1pB/1r2p1P1/2N3Q1/7B/8 w - - 0 1)

Kipping, Cyril Stanley

Pointon, AJ

Chess, 1957

2b2Nq1/K1p3b1/Rn1n1k2/1p2R1pB/1r2p1P1/2N3Q1/7B/8

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Qa2
      • 2.Sh7#
    • 1...Qb3
      • 2.Sh7#
    • 1...Qc4
      • 2.Sh7#
    • 1...Qd5
      • 2.Sh7#
    • 1...Qf7
      • 2.Sh7#
    • 1...Qh7
      • 2.Sxh7#
    • 1...Sbc4
      • 2.Sxe4#
    • 1...Sd7
      • 2.Qf2#
    • 1...Sdc4
      • 2.Sxe4#
    • 1...Sf7
      • 2.Sd5#
  • Tries
    • 1.Sd5+?
      • 1...Qxd5
        • 2.Sh7#
      • 1...Sxd5!
    • 1.Sd7+?
      • 1...Sxd7
        • 2.Qf2#
      • 1...Bxd7!
    • 1.Rf5+?
      • 1...Bxf5
        • 2.Qe5#
      • 1...Sxf5
        • 2.Qe5#
      • 1...Ke7!
  • Keys
    • 1.Re8!
      • threat
        • 2.Qe5#
      • 1...Qd5
        • 2.Sh7#
      • 1...Qe6
        • 2.Sh7#
      • 1...Sbc4
        • 2.Sxe4#
      • 1...Sd7
        • 2.Qf2#
      • 1...Sdc4
        • 2.Sxe4#
      • 1...Sf7
        • 2.Sd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • Q(k);N_GUARD,P_PINR(G)::S(I)
    • Q(k);N_GUARD::S(I)
    • Q(k);N_GUARD::S(I),XQ(k)
    • S(e);P_SPINS(f),S_CUTR(a)::S(B),XP(b)
    • S(e);P_SPINS(f),S_CUTB(j)::QAR(C)
    • S(f);N_GUARD,P_SPINS(e),S_CUTR(a)::S(B),XP(b)
    • S(f);P_SPINS(e),S_CUTQ(k)::S(B)
  • Tries
    • Try
      • S(B);CHECK
      • Vars
        • Q(k);XS(B)::S(I)
      • Refutation
        • S(e);P_SPINS(f),XS(B)
    • Try
      • S(I);CHECK
      • Vars
        • S(e);P_SPINS(f),XS(I)::QAR(C)
      • Refutation
        • B(j);XS(I)
    • Try
      • R(E);CHECK
      • Vars
        • B(j);XR(E)::QAB1(C)
        • S(f);P_SPINS(e),XR(E)::QAB1(C)
      • Refutation
        • K(g);S_FLIGHT
  • Actual
    • R(E);
    • Threat
      • QAB1(C)
    • Vars
      • Q(k);N_GUARD::S(I)
      • S(e);P_SPINS(f),S_CUTR(a)::S(B),XP(b)
      • S(e);P_SPINS(f),S_CUTB(j)::QAR(C)
      • S(f);N_GUARD,P_SPINS(e),S_CUTR(a)::S(B),XP(b)
      • S(f);P_SPINS(e),S_CUTQ(k)::S(B)
HTML5 logo

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).