MESON Chess Problem Database

Problem Display
PID: 244143 (nb4N1/p2bN2q/r4r2/4pR2/2p1k1P1/n1P1p1B1/P3P3/K1Q5 w - - 0 1)

Bennett, Frederick

Chess World (The), 1947

nb4N1/p2bN2q/r4r2/4pR2/2p1k1P1/n1P1p1B1/P3P3/K1Q5

#2

10 + 12

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Qg6
      • 2.Qh1#
    • 1...Qxg8
      • 2.Qh1#
    • 1...Qh1
      • 2.Qxh1#
    • 1...Qxe7
      • 2.Qh1#
    • 1...Qf7
      • 2.Qh1#
    • 1...Qg7
      • 2.Qh1#
    • 1...Ra4
      • 2.Sxf6#
    • 1...Ra5
      • 2.Sxf6#
    • 1...Rad6
      • 2.Rxe5#
    • 1...Rfd6
      • 2.Rxe5#
    • 1...Bc6
      • 2.Sxf6#
    • 1...Be6
      • 2.Sxf6#
    • 1...Bd6
      • 2.Sxf6#
    • 1...Sb1
      • 2.Qxb1#
      • 2.Qc2#
    • 1...Sc2+
      • 2.Qxc2#
    • 1...Sb5
      • 2.Qb1#
      • 2.Qc2#
    • 1...Sb6
      • 2.Sxf6#
    • 1...Sc7
      • 2.Rxe5#
  • Tries
    • 1.Qb1+?
      • 1...Sc2+
        • 2.Qxc2#
      • 1...Sxb1!
  • Keys
    • 1.Qd1!
      • threat
        • 2.Qd5#
      • 1...Sc2+
        • 2.Qxc2#
      • 1...Qxg8
        • 2.Qh1#
      • 1...Qxe7
        • 2.Qh1#
      • 1...Qh1
        • 2.Qxh1#
      • 1...Qf7
        • 2.Qh1#
      • 1...Ra5
        • 2.Sxf6#
      • 1...Rad6
        • 2.Rxe5#
      • 1...Rfd6
        • 2.Rxe5#
      • 1...Bc6
        • 2.Sxf6#
      • 1...Be6
        • 2.Sxf6#
      • 1...Sb6
        • 2.Sxf6#
      • 1...Sc7
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 4
  • Sets
    • Q(j);N_GUARD::QAB(B)
    • Q(j);N_GUARD,XS(J)::QAB(B)
    • Q(j);N_GUARD,P_PINQ(B)::QAB(B),XQ(j)
    • Q(j);N_GUARD,XS(I)::QAB(B)
    • R(f);N_GUARD::S(J),XR(g)
    • R(f);S_CUTB(l)::R1(H),XP(e)
    • R(g);S_CUTB(l)::R1(H),XP(e)
    • B(i);S_CUTR(f)::S(J),XR(g)
    • B(l);S_CUTR(f)::S(J),XR(g)
    • S(a);CHECK,N_GUARD,P_PINP(C)::QAB(B),XS(a)
    • S(k);S_CUTR(f)::S(J),XR(g)
    • S(k);S_CUTB(l)::R1(H),XP(e)
  • Tries
    • Try
      • Q(B);CHECK
      • Vars
        • S(a);CHECK,N_GUARD,P_PINP(C),P_SPINS(a)::QAB(B),XS(a)
      • Refutation
        • S(a);P_PINP(C),XQ(B)
  • Actual
    • Q(B);
    • Threat
      • QAB1(B)
    • Vars
      • S(a);CHECK,N_GUARD,P_PINP(C)::QAB(B),XS(a)
      • Q(j);N_GUARD,XS(J)::QAB(B)
      • Q(j);N_GUARD,XS(I)::QAB(B)
      • Q(j);N_GUARD,P_PINQ(B)::QAB(B),XQ(j)
      • Q(j);N_GUARD::QAB(B)
      • R(f);N_GUARD::S(J),XR(g)
      • R(f);S_CUTB(l)::R1(H),XP(e)
      • R(g);S_CUTB(l)::R1(H),XP(e)
      • B(i);S_CUTR(f)::S(J),XR(g)
      • S(k);S_CUTR(f)::S(J),XR(g)
      • S(k);S_CUTB(l)::R1(H),XP(e)
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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).