MESON Chess Problem Database

Problem Display
PID: 62898 (1b2Q3/3p3n/3Pp2K/2p1pb1N/n1P1k2P/4P2r/3R3P/1N1BR3 w - - 0 1)

Carwardine, JA

Chess, 1944

1b2Q3/3p3n/3Pp2K/2p1pb1N/n1P1k2P/4P2r/3R3P/1N1BR3

#2

12 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rxh2
      • 2.Sg3#
    • 1...Rf3
      • 2.Bc2#
    • 1...Rg3
      • 2.Sxg3#
    • 1...Bg6
      • 2.Qxg6#
    • 1...Bxd6
      • 2.Qa8#
    • 1...Ba7
      • 2.Qa8#
    • 1...Bc7
      • 2.Qa8#
    • 1...Sb2
      • 2.Sc3#
    • 1...Sc3
      • 2.Sxc3#
    • 1...Sb6
      • 2.Sc3#
    • 1...Sg5
      • 2.Sf6#
    • 1...Sf6
      • 2.Sxf6#
    • 1...Sf8
      • 2.Sf6#
  • Keys
    • 1.Qg8!
      • 1...Rxh2
        • 2.Sg3#
      • 1...Rxe3
        • 2.Qg2#
      • 1...Rxh4
        • 2.Qg2#
      • 1...Bxd6
        • 2.Qa8#
      • 1...Bg4
        • 2.Qxg4#
      • 1...Bg6
        • 2.Qxg6#
      • 1...Rf3
        • 2.Bc2#
      • 1...Rg3
        • 2.Sxg3#
      • 1...Ba7
        • 2.Qa8#
      • 1...Bc7
        • 2.Qa8#
      • 1...Sb2
        • 2.Sc3#
      • 1...Sc3
        • 2.Sxc3#
      • 1...Sb6
        • 2.Sc3#
      • 1...Sg5
        • 2.Sf6#
      • 1...Sf6
        • 2.Sxf6#
      • 1...Sf8
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(a);N_GUARD,XP(E)::S(I)
    • R(a);SBLOCK::B(B)
    • R(a);N_GUARD::S(I),XR(a)
    • B(f);OGATEB::QAB(L),XB(f)
    • B(j);OGATE,XP(J)::QAB(L)
    • B(j);OGATE::QAB(L)
    • S(b);N_GUARD::S(A)
    • S(b);N_GUARD::S(A),XS(b)
    • S(i);N_GUARD::S(I)
    • S(i);N_GUARD::S(I),XS(i)
  • Actual
    • Q(L);
    • Vars
      • R(a);N_GUARD,XP(E)::S(I)
      • R(a);N_GUARD,P_SPINR(a),XP(F)::QAB(L)
      • R(a);N_GUARD,P_PINS(I),XP(H)::QAB(L)
      • B(j);OGATE,XP(J)::QAB(L)
      • B(f);N_GUARD::QAR2(L),XB(f)
      • B(f);OGATEB::QAB(L),XB(f)
      • R(a);SBLOCK::B(B)
      • R(a);N_GUARD::S(I),XR(a)
      • B(j);OGATE::QAB(L)
      • S(b);N_GUARD::S(A)
      • S(b);N_GUARD::S(A),XS(b)
      • S(i);N_GUARD::S(I)
      • S(i);N_GUARD::S(I),XS(i)
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Developed and maintained by Brian Stephenson.
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