MESON Chess Problem Database

Problem Display
PID: 4799 (3KN3/1p3p2/1B2k2p/1n3p2/n4P2/1b6/5NQ1/5B2 w - - 0 1)

Blake, Percy Francis

Manchester Weekly Times, 1891

(First published on Fri Jul 10 1891)

3KN3/1p3p2/1B2k2p/1n3p2/n4P2/1b6/5NQ1/5B2

#2

7 + 8

15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Bc4#
    • 1...Bc2
      • 2.Bc4#
    • 1...Bc4
      • 2.Bxc4#
    • 1...f6
      • 2.Qg8#
  • Tries
    • 1.Qc6+?
      • 1...Sd6
        • 2.Qxd6#
      • 1...bxc6!
    • 1.Qg7?
      • threat
        • 2.Qe5#
      • 1...f6
        • 2.Qd7#
        • 2.Qg8#
      • 1...Kd5!
  • Keys
    • 1.Se4!
      • 1...Kd5
        • 2.Sg5#
      • 1...Sxb6
        • 2.Sc5#
      • 1...fxe4
        • 2.Qxe4#
      • 1...f6
        • 2.Qg8#
      • 1...Bd5
        • 2.Sg7#
      • 1...Bd1
        • 2.Bc4#
      • 1...Ba2
        • 2.Qxa2#
      • 1...Bc2
        • 2.Bc4#
      • 1...Bc4
        • 2.Bxc4#
      • 1...Sb2
        • 2.Sc5#
      • 1...Sac3
        • 2.Sc5#
      • 1...Sc5
        • 2.Sxc5#
      • 1...Sa3
        • 2.Sc7#
      • 1...Sbc3
        • 2.Sc7#
      • 1...Sd4
        • 2.Sc7#
      • 1...Sd6
        • 2.Sc7#
      • 1...Sa7
        • 2.Sc7#
      • 1...Sc7
        • 2.Sxc7#
      • 1...h5
        • 2.Sg5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 15
    • REMOVED MATES = 0
  • Sets
    • B(a);N_GUARD::B(A)
    • B(a);N_GUARD::B(A),XB(a)
    • P(h);OGATEB::QAB(C)
  • Tries
    • Try
      • Q(C);CHECK
      • Vars
        • S(c);N_GUARD,P_SPINS(c)::QAR1(C),XS(c)
      • Refutation
        • P(g);XQ(C)
    • Try
      • Q(C);
      • Threat
        • QAR1(C)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • S(B);
    • Vars
      • K(e);S_FLIGHT::QAB(C)+S(B)
      • S(b);N_GUARD,XB(E)::S(B)
      • P(d);OGATE,XS(B)::QAR2(C),XP(d)
      • P(h);OGATEB::QAB(C)
      • B(a);SBLOCK::S(G)
      • B(a);N_GUARD::B(A)
      • B(a);OGATEB::QAB(C),XB(a)
      • B(a);N_GUARD::B(A),XB(a)
      • S(b);N_GUARD::S(B)
      • S(b);N_GUARD::S(B),XS(b)
      • S(c);N_GUARD::S(G)
      • S(c);N_GUARD::S(G),XS(c)
      • P(f);N_GUARD::S(B)
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