MESON Chess Problem Database

Problem Display
PID: 270917 (3n1bN1/8/1pR2Q2/3kn3/5p2/5P1K/2N1B3/8 w - - 0 1)

Westbury, Eric Ernest

7th Prize, Hampstead and Highgate Express, 1901

3n1bN1/8/1pR2Q2/3kn3/5p2/5P1K/2N1B3/8

#2

7 + 6

17417 Westbury Scrapbooks 2023

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Qxd6#
    • 1...Bh6
      • 2.Se7#
      • 2.Qd6#
    • 1...Be7
      • 2.Sxe7#
    • 1...Bg7
      • 2.Se7#
      • 2.Qd6#
    • 1...Sxf3
      • 2.Bxf3#
    • 1...Sc4
      • 2.Bxc4#
    • 1...Sg4
      • 2.Bc4#
    • 1...Sg6
      • 2.Bc4#
    • 1...Sd7
      • 2.Bc4#
    • 1...Sef7
      • 2.Bc4#
    • 1...Se6
      • 2.Qxe6#
    • 1...Sb7
      • 2.Qe6#
    • 1...Sdf7
      • 2.Qe6#
  • Tries
    • 1.Se3+?
      • 1...Kd4
        • 2.Qxf4#
      • 1...fxe3!
    • 1.Sb4+?
      • 1...Kd4
        • 2.Qxf4#
      • 1...Bxb4!
    • 1.Rd6+?
      • 1...Kc5
        • 2.Qxe5#
      • 1...Bxd6!
  • Keys
    • 1.Qe7!
      • 1...Kxc6
        • 2.Sb4#
      • 1...Bxe7
        • 2.Sxe7#
      • 1...Sxf3
        • 2.Bxf3#
      • 1...Sexc6
        • 2.Sf6#
      • 1...Sdxc6
        • 2.Sf6#
      • 1...Bh6
        • 2.Qd6#
      • 1...Bg7
        • 2.Qd6#
      • 1...Sd3
        • 2.Qe4#
      • 1...Sc4
        • 2.Qe4#
      • 1...Sg4
        • 2.Qe4#
      • 1...Sg6
        • 2.Qe4#
      • 1...Sd7
        • 2.Qe4#
      • 1...Sef7
        • 2.Qe4#
      • 1...Se6
        • 2.Qxe6#
      • 1...Sb7
        • 2.Qe6#
      • 1...Sdf7
        • 2.Qe6#
      • 1...b5
        • 2.Rc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 5
    • ADDED MATES = 7
    • REMOVED MATES = 1
  • Sets
    • B(f);N_GUARD::QAR1(F),XB(f)
    • B(f);N_GUARD::S(G),XB(f)
    • S(c);OGATE,XP(C)::B(B),XS(c)
    • S(c);N_GUARD::B(B),XS(c)
    • S(c);N_GUARD::B(B)
    • S(e);N_GUARD::QAB1(F),XS(e)
    • S(e);N_GUARD::QAB1(F)
  • Tries
    • Try
      • S(A);CHECK
      • Vars
        • K(b);N_GUARD,P-FLIGHT,P_SPINS(c)::QAR2(F),XP(a)
      • Refutation
        • P(a);XS(A)
    • Try
      • S(A);CHECK
      • Vars
        • K(b);P-FLIGHT,P_SPINS(c),S_CUTB(f)::QAR2(F),XP(a)
      • Refutation
        • B(f);XS(A)
    • Try
      • R(E);CHECK
      • Vars
        • K(b);N_GUARD,P-FLIGHT::QAR2(F),XS(c)
      • Refutation
        • B(f);XR(E)
  • Actual
    • Q(F);
    • Vars
      • K(b);N_GUARD,S_FLIGHT,XR(E)::S(A)
      • B(f);XQ(F)::S(G),XB(f)
      • S(c);OGATE,XP(C)::B(B),XS(c)
      • S(c);SBLOCK,XR(E)::S(G)
      • S(e);SBLOCK,XR(E)::S(G)
      • B(f);N_GUARD::QAR1(F)
      • S(c);OGATE::QAB1(F)
      • S(e);N_GUARD::QAB1(F),XS(e)
      • S(e);N_GUARD::QAB1(F)
      • P(d);N_GUARD::R1(E)
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