MESON Chess Problem Database

Problem Display
PID: 109252 (b1RN1B2/br6/8/3k2P1/1p1ppP2/1P1p2K1/2N5/5B2 w - - 0 1)

Rockwell, Almon Ferdinand

Montreal Gazette, 1892

b1RN1B2/br6/8/3k2P1/1p1ppP2/1P1p2K1/2N5/5B2

#2

9 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rb6
      • 2.Rc5#
    • 1...Rc7
      • 2.Sxb4#
    • 1...Rd7
      • 2.Sxb4#
    • 1...Rf7
      • 2.Sxb4#
    • 1...Rg7
      • 2.Sxb4#
    • 1...Rh7
      • 2.Sxb4#
    • 1...Bc5
      • 2.Rxc5#
    • 1...Bb6
      • 2.Sxb4#
    • 1...Bb8
      • 2.Rc5#
    • 1...dxc2
      • 2.Bc4#
    • 1...d2
      • 2.Bc4#
    • 1...e3
      • 2.Bg2#
  • Tries
    • 1.Bh3?
      • threat
        • 2.Be6#
      • 1...e3
        • 2.Bg2#
      • 1...Rb6
        • 2.Rc5#
      • 1...Re7!
  • Keys
    • 1.Rc7!
      • 1...Rxc7
        • 2.Sxb4#
      • 1...dxc2
        • 2.Bc4#
      • 1...e3
        • 2.Bg2#
      • 1...Rb5
        • 2.Rd7#
      • 1...Rb6
        • 2.Rc5#
      • 1...Rb8
        • 2.Rd7#
      • 1...Bc5
        • 2.Rxc5#
      • 1...Bb6
        • 2.Sxb4#
      • 1...Bb8
        • 2.Rc5#
      • 1...d2
        • 2.Bc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(g);S_CUTB(f)::R1(G)
    • R(g);N_GUARD::S(B),XP(b)
    • R(g);N_GUARD,P_PINP(F)::S(B),XP(b)
    • B(f);N_GUARD::R1(G),XB(f)
    • B(f);S_CUTR(g)::S(B),XP(b)
    • B(f);N_GUARD,P_PINP(E)::R1(G)
    • P(a);OGATE,XS(B)::B(A)
    • P(a);OGATE::B(A)
    • P(d);OGATEB::B(A)
  • Tries
    • Try
      • B(A);
      • Threat
        • B(A)
      • Vars
        • P(d);OGATEB::B(A)
        • R(g);S_CUTB(f)::R1(G)
      • Refutation
        • R(g);
  • Actual
    • R(G);
    • Vars
      • R(g);N_GUARD,XR(G)::S(B),XP(b)
      • P(a);OGATE,XS(B)::B(A)
      • P(d);OGATEB::B(A)
      • R(g);N_GUARD::R(G)
      • R(g);S_CUTB(f)::R1(G)
      • B(f);N_GUARD::R1(G),XB(f)
      • B(f);S_CUTR(g)::S(B),XP(b)
      • B(f);N_GUARD::R1(G)
      • P(a);OGATE::B(A)
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