MESON Chess Problem Database

Problem Display
PID: 272423 (3Rn3/1N1nQ3/1B6/4p1rb/2B1k2b/r2p4/p7/K2N1R2 w - - 0 1)

Bennett, Frederick

The Problemist, 1957

3Rn3/1N1nQ3/1B6/4p1rb/2B1k2b/r2p4/p7/K2N1R2

#2

8 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Sxc3#
    • 1...Ra4
      • 2.Sc3#
    • 1...Ra5
      • 2.Sc3#
    • 1...Ra6
      • 2.Sc3#
    • 1...Ra7
      • 2.Sc3#
    • 1...Ra8
      • 2.Sc3#
    • 1...Sc5
      • 2.Sxc5#
    • 1...Sxb6
      • 2.Sc5#
    • 1...Sdf6
      • 2.Sc5#
      • 2.Rd4#
    • 1...Sb8
      • 2.Sc5#
      • 2.Bd5#
      • 2.Rd4#
    • 1...Sf8
      • 2.Sc5#
      • 2.Bd5#
      • 2.Rd4#
    • 1...Sd6
      • 2.Sxd6#
    • 1...Sef6
      • 2.Sd6#
    • 1...Sc7
      • 2.Sd6#
    • 1...Sg7
      • 2.Sd6#
  • Tries
    • 1.Qf7?
      • threat
        • 2.Bd5#
        • 2.Qd5#
      • 1...Sxb6
        • 2.Sc5#
      • 1...Ra5
        • 2.Sc3#
      • 1...Bf2
        • 2.Sxf2#
        • 2.Bd5#
      • 1...Bf3
        • 2.Bd5#
        • 2.Qxf3#
      • 1...Sc5
        • 2.Sxc5#
        • 2.Qd5#
      • 1...Sdf6
        • 2.Sc5#
      • 1...Sef6
        • 2.Sd6#
      • 1...Sc7
        • 2.Sd6#
      • 1...d2
        • 2.Qd5#
      • 1...Bxf7!
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qc6#
      • 1...Sxb6
        • 2.Sc5#
      • 1...Sdxf6
        • 2.Sc5#
      • 1...Sexf6
        • 2.Sd6#
      • 1...Ra5
        • 2.Sc3#
      • 1...Rg6
        • 2.Qf5#
      • 1...Bf2
        • 2.Sxf2#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Bf7
        • 2.Qf3#
      • 1...Sb8
        • 2.Sc5#
        • 2.Bd5#
      • 1...Sd6
        • 2.Sxd6#
      • 1...Sc7
        • 2.Sd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • R(b);N_GUARD::S(B),XR(b)
    • R(b);N_GUARD::S(B)
    • S(i);N_GUARD::S(F),XS(i)
    • S(i);N_GUARD,XB(E)::S(F)
    • S(j);N_GUARD::S(F),XS(j)
    • S(j);N_GUARD::S(F)
  • Tries
    • Try
      • Q(G);N_PINP(f)
      • Threat
        • DUALS(2)
      • Vars
        • S(i);N_GUARD,XB(E)::S(F)
        • R(b);N_GUARD::S(B)
        • S(i);N_GUARD::S(F)
        • S(j);N_GUARD::S(F)
        • P(c);::QAB1(G)
      • Refutation
        • B(h);XQ(G)
  • Actual
    • Q(G);N_PINP(f)
    • Threat
      • QAB(G)
    • Vars
      • S(i);N_GUARD,XB(E)::S(F)
      • S(i);N_GUARD,XQ(G)::S(F)
      • S(j);N_GUARD,XQ(G)::S(F)
      • R(b);N_GUARD::S(B)
      • R(g);N_GUARD::QAB1(G)
      • B(e);N_GUARD::S(B),XB(e)
      • B(h);N_GUARD::QAB1(G),XB(h)
      • B(h);N_GUARD::QAB1(G)
      • S(j);N_GUARD::S(F),XS(j)
      • S(j);N_GUARD::S(F)
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Developed and maintained by Brian Stephenson.
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