MESON Chess Problem Database

Problem Display
PID: 154222 (BKR2Bb1/5k2/1P1pp1p1/8/2N1nPN1/b7/8/RQ6 w - - 0 1)

Ansell, George Kirkpatrick

Williams, Philip Hamilton

Hackney Mercury, 1893

BKR2Bb1/5k2/1P1pp1p1/8/2N1nPN1/b7/8/RQ6

#2

10 + 7

15351 SCPF/BCPS Black Books 2015

SOLUTION

  • SOUND
  • Sets
    • 1...Bc1
      • 2.Ra7#
    • 1...Bb2
      • 2.Ra7#
    • 1...Bb4
      • 2.Ra7#
    • 1...Bc5
      • 2.Ra7#
    • 1...Sc5
      • 2.Sxd6#
    • 1...Sf6
      • 2.Sh6#
    • 1...d5
      • 2.Sce5#
    • 1...e5
      • 2.Bd5#
  • Tries
    • 1.Bxe4?
      • threat
        • 2.Bxg6#
      • 1...e5
        • 2.Bd5#
      • 1...g5
        • 2.Bg6#
      • 1...Bh7!
    • 1.Qb2?
      • threat
        • 2.Sh6#
        • 2.Qg7#
      • 1...Bxb2
        • 2.Ra7#
      • 1...e5
        • 2.Bd5#
      • 1...g5
        • 2.Qg7#
      • 1...Sf6
        • 2.Sh6#
        • 2.Qxf6#
      • 1...Sc3!
    • 1.Qb5?
      • threat
        • 2.Qd7#
        • 2.Qe8#
      • 1...g5
        • 2.Qe8#
      • 1...Sc5
        • 2.Sxd6#
        • 2.Qe8#
      • 1...Sf6
        • 2.Sh6#
      • 1...d5
        • 2.Sce5#
        • 2.Qe8#
      • 1...Bh7!
  • Keys
    • 1.Qh1!
      • 1...Bh7
        • 2.Qxh7#
      • 1...e5
        • 2.Bd5#
      • 1...g5
        • 2.Qh5#
      • 1...Bc1
        • 2.Ra7#
      • 1...Bb2
        • 2.Ra7#
      • 1...Bb4
        • 2.Ra7#
      • 1...Bc5
        • 2.Ra7#
      • 1...Sd2
        • 2.Qb7#
      • 1...Sf2
        • 2.Qb7#
      • 1...Sc3
        • 2.Qb7#
      • 1...Sg3
        • 2.Qb7#
      • 1...Sc5
        • 2.Sxd6#
      • 1...Sg5
        • 2.Qb7#
      • 1...Sf6
        • 2.Sh6#
      • 1...d5
        • 2.Sce5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • B(a);OGATE::R(A)
    • S(b);N_GUARD,S_CUTB(a)::S(C),XP(c)
    • S(b);SBLOCK::S(E)
    • P(c);N_GUARD::S(C)
    • P(d);OGATEB::B(G)
  • Tries
    • Try
      • B(G);XS(b)
      • Threat
        • B(G),XP(e)
      • Vars
        • P(d);OGATEB::B(G)
        • P(e);::B(G)
      • Refutation
        • B(g);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);OGATE,XQ(B)::R(A)
        • P(d);OGATEB::B(G)
        • P(e);::QAR1(B)
      • Refutation
        • S(b);
    • Try
      • Q(B);
      • Threat
        • DUALS(2)
      • Vars
        • P(e);::QAB1(B)
        • S(b);SBLOCK::S(E)
      • Refutation
        • B(g);
  • Actual
    • Q(B);
    • Vars
      • B(g);N_GUARD::QAR2(B),XB(g)
      • P(d);OGATEB::B(G)
      • P(e);OGATEB::QAB(B)
      • B(a);OGATE::R(A)
      • S(b);OGATE::QAR(B)
      • S(b);N_GUARD,S_CUTB(a)::S(C),XP(c)
      • S(b);SBLOCK::S(E)
      • P(c);N_GUARD::S(C)
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