MESON Chess Problem Database

Problem Display
PID: 44974 (1B6/8/3R1p2/p1k1pn2/Bn1b2R1/2PPN2Q/8/1K6 w - - 0 1)

Frankenstein, Edward Nathan

Source?, 0000

1B6/8/3R1p2/p1k1pn2/Bn1b2R1/2PPN2Q/8/1K6

#2

9 + 7

3316 Chess Problem Text Book 1887
15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc3
      • 2.Rc4#
    • 1...Bxe3
      • 2.Rc4#
    • 1...Sa2
      • 2.Rc6#
    • 1...Sc2
      • 2.Rc6#
    • 1...Sxd3
      • 2.Rc6#
    • 1...Sd5
      • 2.Rc6#
    • 1...Sa6
      • 2.Rc6#
    • 1...Sc6
      • 2.Rxc6#
    • 1...Sxd6
      • 2.Ba7#
  • Tries
    • 1.cxb4+?
      • 1...axb4
        • 2.Rc6#
      • 1...Kxb4!
  • Keys
    • 1.Qh5!
      • 1...Bxc3
        • 2.Rc4#
      • 1...Bxe3
        • 2.Rc4#
      • 1...Sxd3
        • 2.Rc6#
      • 1...Sxe3
        • 2.cxd4#
      • 1...Sxd6
        • 2.Ba7#
      • 1...Sc6
        • 2.Rxc6#
      • 1...Sg3
        • 2.cxd4#
      • 1...Sa2
        • 2.Rc6#
      • 1...Sc2
        • 2.Rc6#
      • 1...Sd5
        • 2.Rc6#
      • 1...Sa6
        • 2.Rc6#
      • 1...Sh4
        • 2.cxd4#
      • 1...Sh6
        • 2.cxd4#
      • 1...Se7
        • 2.cxd4#
      • 1...Sg7
        • 2.cxd4#
      • 1...e4
        • 2.cxd4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(b);OGATE,XP(B)::R1(G)
    • B(b);OGATE,XS(D)::R1(G)
    • S(a);N_GUARD::R1(H)
    • S(a);N_GUARD,XP(C)::R1(H)
    • S(a);N_GUARD::R1(H),XS(a)
    • S(f);SBLOCK,XR(H)::B(I)
  • Tries
    • Try
      • P(B);CHECK,XS(a)
      • Vars
        • P(c);SBLOCK,XP(B)::R1(H)
      • Refutation
        • K(d);P_SPINB(b),S_FLIGHT,XP(B)
  • Actual
    • Q(E);
    • Vars
      • B(b);OGATE,XP(B)::R1(G)
      • B(b);OGATE,XS(D)::R1(G)
      • S(a);N_GUARD,XP(C)::R1(H)
      • S(f);N_GUARD,P_SPINP(e),XS(D)::P(B),XB(b)
      • S(f);P_SPINP(e),SBLOCK,XR(H)::B(I)
      • S(a);N_GUARD::R1(H),XS(a)
      • S(f);N_GUARD,P_SPINP(e)::P(B),XB(b)
      • S(a);N_GUARD::R1(H)
      • P(e);N_GUARD,P_SPINS(f)::P(B),XB(b)
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