MESON Chess Problem Database

Problem Display
PID: 271727 (8/3BB3/3PQN2/1Pk3rr/2N5/2Pb2Pp/2p1p2K/1qn5 w - - 0 1)

Westbury, Eric Ernest

Source?, 1905

8/3BB3/3PQN2/1Pk3rr/2N5/2Pb2Pp/2p1p2K/1qn5

#2

10 + 9

17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bxc4
      • 2.Qe3#
    • 1...Be4
      • 2.Sxe4#
    • 1...Bf5
      • 2.Qd5#
  • Tries
    • 1.Bc6?
      • threat
        • 2.Sd7#
        • 2.d7#
      • 1...Qxb5
        • 2.d7#
      • 1...Bxc4
        • 2.Sd7#
        • 2.Qe3#
      • 1...Rg7
        • 2.Sd7#
      • 1...Rh7
        • 2.Sd7#
      • 1...Rd5!
    • 1.Qe5+?
      • 1...Kxc4
        • 2.Be6#
      • 1...Rxe5!
  • Keys
    • 1.Be8!
      • threat
        • 2.Qc8#
      • 1...Qxb5
        • 2.d7#
      • 1...Bxc4
        • 2.Qe3#
      • 1...Be4
        • 2.Sxe4#
      • 1...Bf5
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • B(e);SBLOCK,XS(D)::QAB(G)
    • B(e);N_GUARD::S(H),XB(e)
    • B(e);S_CUTR(h)::QAR1(G)
  • Tries
    • Try
      • B(I);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);XP(E)::B(J)+P(F)
        • R(h);::S(H)
        • R(i);::S(H)
      • Refutation
        • R(h);
    • Try
      • Q(G);CHECK
      • Vars
        • K(g);P-FLIGHT,S_CUTR(h),XS(D)::B(I)
      • Refutation
        • R(h);XQ(G)
  • Actual
    • B(I);
    • Threat
      • QAR(G)
    • Vars
      • Q(a);SBLOCK,XP(E)::B(J)+P(F)
      • B(e);SBLOCK,XS(D)::QAB(G)
      • B(e);N_GUARD::S(H),XB(e)
      • B(e);S_CUTR(h)::QAR1(G)
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