MESON Chess Problem Database

Problem Display
PID: 159629 (1K3b2/5pr1/RBBk2p1/p4P2/n7/3N4/3R4/1Q3b2 w - - 0 1)

Andrew, Frederick William

The Standard, 1899

(First published on Tue Sep 12 1899)

1K3b2/5pr1/RBBk2p1/p4P2/n7/3N4/3R4/1Q3b2

#2

8 + 8

15351 SCPF/BCPS Black Books 2017

SOLUTION

  • SOUND
  • Sets
    • 1...Kxc6
      • 2.Se5#
    • 1...Be7
      • 2.Bc7#
    • 1...Sb2
      • 2.Bc5#
    • 1...Sc3
      • 2.Bc5#
    • 1...Sc5
      • 2.Bxc5#
  • Tries
    • 1.Qa1?
      • threat
        • 2.Qf6#
      • 1...Ke7
        • 2.Qe5#
      • 1...Be7
        • 2.Bc7#
      • 1...Sb2
        • 2.Bc5#
      • 1...Sc3
        • 2.Bc5#
      • 1...Sc5
        • 2.Bxc5#
      • 1...f6
        • 2.Qxf6#
      • 1...Kxc6!
    • 1.Qb4+?
      • 1...Kxc6
        • 2.Se5#
      • 1...Sc5
        • 2.Bxc5#
        • 2.Qxc5#
      • 1...axb4!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qf6#
      • 1...Kxc6
        • 2.Se5#
      • 1...Ke7
        • 2.Qe5#
      • 1...Sxb2
        • 2.Bc5#
      • 1...Be7
        • 2.Bc7#
      • 1...Sc3
        • 2.Bc5#
      • 1...Sc5
        • 2.Bxc5#
      • 1...f6
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(d);P-FLIGHT,XB(G)::S(C)
    • B(h);SBLOCK::B(F)
    • S(b);N_GUARD::B(F)
    • S(b);N_GUARD::B(F),XS(b)
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR2(A)
      • Vars
        • K(d);S_FLIGHT::QAR2(A)
        • B(h);SBLOCK::B(F)
        • S(b);N_GUARD::B(F)
        • S(b);N_GUARD::B(F),XS(b)
        • P(f);::QAR2(A),XP(f)
      • Refutation
        • K(d);P-FLIGHT,XB(G)
    • Try
      • Q(A);CHECK
      • Vars
        • K(d);P-FLIGHT,XB(G)::S(C)
      • Refutation
        • P(c);XQ(A)
  • Actual
    • Q(A);
    • Threat
      • QAR2(A)
    • Vars
      • K(d);P-FLIGHT,XB(G)::S(C)
      • K(d);S_FLIGHT::QAR2(A)
      • S(b);N_GUARD,XQ(A)::B(F)
      • B(h);SBLOCK::B(F)
      • S(b);N_GUARD::B(F)
      • S(b);N_GUARD::B(F),XS(b)
      • P(f);::QAR2(A),XP(f)
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