MESON Chess Problem Database

Problem Display
PID: 271008 (b7/8/5pKn/7Q/4k3/2p2NP1/5B2/4nB2 w - - 0 1)

Westbury, Eric Ernest

Leeds Mercury Supplement, 1901

b7/8/5pKn/7Q/4k3/2p2NP1/5B2/4nB2

#2

6 + 6

17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Sg4
      • 2.Qf5#
    • 1...Sf5
      • 2.Qxf5#
    • 1...Sf7
      • 2.Qf5#
    • 1...Sg8
      • 2.Qf5#
    • 1...c2
      • 2.Sd2#
  • Tries
    • 1.Sxe1?
      • threat
        • 2.Bg2#
        • 2.Bd3#
      • 1...Sf5
        • 2.Qxf5#
      • 1...f5!
    • 1.Qe5+?
      • 1...Kxf3
        • 2.Qf4#
        • 2.Qe2#
      • 1...fxe5!
  • Keys
    • 1.Qb5!
      • 1...Kxf3
        • 2.Qe2#
      • 1...Sxf3
        • 2.Bd3#
      • 1...Bc6
        • 2.Qxc6#
      • 1...Bd5
        • 2.Qe2#
      • 1...Bb7
        • 2.Qxb7#
      • 1...Sc2
        • 2.Qd3#
      • 1...Sg2
        • 2.Qd3#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Sg4
        • 2.Qf5#
      • 1...Sf5
        • 2.Qxf5#
      • 1...Sf7
        • 2.Qf5#
      • 1...Sg8
        • 2.Qf5#
      • 1...c2
        • 2.Sd2#
      • 1...f5
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • S(e);N_GUARD::QAB1(E)
    • S(e);N_GUARD::QAB1(E),XS(e)
    • P(b);N_GUARD::S(C)
  • Tries
    • Try
      • S(C);XS(a)
      • Threat
        • DUALS(2)
      • Vars
        • S(e);N_GUARD::QAB1(E),XS(e)
      • Refutation
        • P(d);
    • Try
      • Q(E);CHECK
      • Refutation
        • P(d);XQ(E)
  • Actual
    • Q(E);
    • Vars
      • K(c);N_GUARD,S_FLIGHT,XS(C)::QAB1(E)
      • S(a);N_GUARD,SBLOCK,XS(C)::B(A)
      • B(f);N_GUARD::QAB(E),XB(f)
      • B(f);SBLOCK::QAR2(E)
      • S(a);N_GUARD::QAB1(E)
      • S(a);N_GUARD::QAB1(E),XS(a)
      • S(e);N_GUARD::QAB1(E)
      • S(e);N_GUARD::QAB1(E),XS(e)
      • P(b);N_GUARD::S(C)
      • P(d);N_GUARD::S(C)
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