MESON Chess Problem Database

Problem Display
PID: 139367 (b2N1B2/r7/3p4/2p5/n1Pk1pP1/3P4/3K2B1/8 w - - 0 1)

Banning, Wells T

New York Clipper, 1856

b2N1B2/r7/3p4/2p5/n1Pk1pP1/3P4/3K2B1/8

#2

7 + 7

1679 American Chess Nuts 1868

SOLUTION

  • SOUND
  • Sets
    • 1...Ra5
      • 2.Bg7#
    • 1...Ra6
      • 2.Bg7#
    • 1...Rb7
      • 2.Sc6#
    • 1...Rg7
      • 2.Bxg7#
    • 1...Bc6
      • 2.Sxc6#
    • 1...Bb7
      • 2.Bg7#
  • Keys
    • 1.Bb7!
      • threat
        • 2.Sc6#
        • 2.Bg7#
      • 1...Ke5
        • 2.Bg7#
      • 1...Rxb7
        • 2.Sc6#
      • 1...Bxb7
        • 2.Bg7#
      • 1...Ra6
        • 2.Bg7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(f);N_GUARD::B(G)
    • R(f);S_CUTB(g)::S(F)
    • R(f);N_GUARD::B(G),XR(f)
    • B(g);N_GUARD::S(F),XB(g)
    • B(g);S_CUTR(f)::B(G)
  • Actual
    • B(B);
    • Threat
      • DUALS(2)
    • Vars
      • K(b);S_FLIGHT::B(G)
      • R(f);XB(B)::S(F)
      • B(g);XB(B)::B(G)
      • R(f);::B(G)
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