MESON Chess Problem Database

Problem Display
PID: 2046 (8/4bQ1b/N1p4r/1pr2R1p/1Pp1k2P/5RpN/4B3/2K5 w - - 0 1)

Barnes, Charles C

Daily Evening Bulletin (Philadelphia), 1864

(First published on Sat Sep 3 1864)

8/4bQ1b/N1p4r/1pr2R1p/1Pp1k2P/5RpN/4B3/2K5

#2

9 + 10

785 Het Belgisch Schaakbord (L'Echiquier Belge) 1950

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.R5f4#
  • Tries
    • 1.Qe6+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Re5
        • 2.R5f4#
        • 2.Qxe5#
      • 1...Rxe6!
    • 1.Qxe7+?
      • 1...Kd4
        • 2.Qe3#
      • 1...Re5
        • 2.Qxe5#
      • 1...Re6!
  • Keys
    • 1.Rd5!
      • 1...Bg5+
        • 2.Sxg5#
      • 1...Rxd5
        • 2.Qf4#
      • 1...Bxh4
        • 2.Sxc5#
      • 1...cxd5
        • 2.Qf4#
      • 1...Re6
        • 2.Qxe6#
      • 1...Rd6
        • 2.Sxc5#
      • 1...Rf6
        • 2.Sg5#
      • 1...Rg6
        • 2.Qf5#
      • 1...Bd6
        • 2.Sg5#
      • 1...Bf6
        • 2.Sxc5#
      • 1...Bd8
        • 2.Sxc5#
      • 1...Bf8
        • 2.Sg5#
      • 1...Bf5
        • 2.Qxf5#
      • 1...Bg6
        • 2.Qe6#
      • 1...Bg8
        • 2.Qf5#
      • 1...g2
        • 2.Sf2#
      • 1...c3
        • 2.Bd3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 17
    • REMOVED MATES = 1
  • Sets
    • R(e);SBLOCK::R1(G)
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • K(c);OGATE,P-FLIGHT::QAB1(I)
      • Refutation
        • R(h);XQ(I)
    • Try
      • Q(I);CHECK,XB(i)
      • Vars
        • K(c);OGATE,P-FLIGHT::QAB1(I)
        • R(e);N_GUARD,P_SPINR(e)::QAR1(I),XR(e)
      • Refutation
        • R(h);P_SPINR(h)
  • Actual
    • R(G);
    • Vars
      • B(i);CHECK,N_GUARD::S(D),XB(i)
      • R(e);SBLOCK,XR(G)::QAR1(I)
      • B(i);N_GUARD,XP(F)::S(H),XR(e)
      • P(g);SBLOCK,XR(G)::QAR1(I)
      • R(h);N_GUARD::QAR2(I),XR(h)
      • R(h);S_CUTB(i)::S(H),XR(e)
      • R(h);S_CUTB(i)::S(D)
      • R(h);S_CUTB(j)::QAB1(I)
      • B(i);N_GUARD::S(D)
      • B(i);N_GUARD::S(H),XR(e)
      • B(j);N_GUARD::QAB1(I),XB(j)
      • B(j);S_CUTR(h)::QAR2(I)
      • B(j);N_GUARD::QAB1(I)
      • P(a);N_GUARD::S(D)
      • P(b);N_GUARD::B(B)
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