MESON Chess Problem Database

Problem Display
PID: 44848 (3QbR2/2p5/4Nrp1/R1N1k1P1/2p3pp/5n2/2Bn1B2/b6K w - - 0 1)

Bunting, Joe

Recomm., BCF 043. Ty., 1942-1943

3QbR2/2p5/4Nrp1/R1N1k1P1/2p3pp/5n2/2Bn1B2/b6K

#2

9 + 11

SOLUTION

  • SOUND
  • Tries
    • 1.Sd3+?
      • 1...Ke4
        • 2.Sc1#
        • 2.Se1#
        • 2.Sb2#
        • 2.Sb4#
        • 2.Sdf4#
        • 2.Se5#
        • 2.Qd5#
      • 1...Kxe6!
    • 1.Sb7+?
      • 1...Kxe6
        • 2.Qxe8#
      • 1...c5
        • 2.Qd6#
      • 1...Bb5!
    • 1.Be4?
      • threat
        • 2.Qxc7#
        • 2.Qd5#
      • 1...Rxe6
        • 2.Qd5#
      • 1...Bd7
        • 2.Qxc7#
      • 1...Rf7
        • 2.Qd5#
      • 1...Bc6
        • 2.Qxc7#
      • 1...c6
        • 2.Qc7#
        • 2.Qb8#
      • 1...Sxe4!
    • 1.Bg3+?
      • 1...Rf4
        • 2.Bxf4#
      • 1...hxg3!
    • 1.Qxf6+?
      • 1...Kd5
        • 2.Sf4#
        • 2.Sxc7#
      • 1...Kd6!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Qxf6#
      • 1...Kxf4
        • 2.Se6#
      • 1...Rxf4
        • 2.Rxe8#
      • 1...Rxf8
        • 2.Qxc7#
      • 1...Se4
        • 2.Scd3#
      • 1...Rf5
        • 2.Qxc7#
      • 1...Ra6
        • 2.Qd5#
      • 1...Rb6
        • 2.Qd5#
      • 1...Rc6
        • 2.Qd5#
      • 1...Rd6
        • 2.Sd7#
      • 1...Re6
        • 2.Qd5#
      • 1...Rf7
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(E);CHECK
      • Refutation
        • K(g);P-FLIGHT,XS(G)
    • Try
      • S(E);CHECK
      • Vars
        • K(g);P-FLIGHT,XS(G)::QAR2(H),XB(k)
        • P(j);P_SPINP(j)::QAB1(H)
      • Refutation
        • B(k);P_SPINB(k)
    • Try
      • B(B);
      • Threat
        • DUALS(2)
      • Vars
        • R(h);XS(G)::QAR1(H)
        • B(k);::QAB(H),XP(j)
        • R(h);::QAR1(H)
      • Refutation
        • S(b);XB(B)
    • Try
      • B(C);CHECK
      • Vars
        • R(h);N_GUARD,P_SPINR(h)::B(C),XR(h)
      • Refutation
        • P(f);XB(C)
    • Try
      • Q(H);CHECK,XR(h)
      • Refutation
        • K(g);S_FLIGHT
  • Actual
    • S(G);
    • Threat
      • QAB1(H),XR(h)
    • Vars
      • K(g);P_SPINR(h),S_FLIGHT,XS(G)::S(E)
      • R(h);N_GUARD,SBLOCK,XS(G)::R(I),XB(k)
      • R(h);N_GUARD,XR(I)::QAB(H),XP(j)
      • S(b);SBLOCK::R(D)+S(E),DCHECK
      • R(h);N_GUARD::QAB(H),XP(j)
      • R(h);::QAR1(H)
      • R(h);SBLOCK::R(D)+S(E),DCHECK
      • R(h);N_GUARD,S_CUTB(k)::S(G),XP(i)
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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).