MESON Chess Problem Database

Problem Display
PID: 39774 (8/8/1Q6/8/kb6/8/K1Pn4/1N6 w - - 0 1)

Lincoln, Robert A

More Fun with Chess Miniatures, 2000

8/8/1Q6/8/kb6/8/K1Pn4/1N6

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Ba3
      • 2.Sc3#
    • 1...Bc3
      • 2.Sxc3#
    • 1...Bc5
      • 2.Sc3#
    • 1...Bd6
      • 2.Sc3#
    • 1...Be7
      • 2.Sc3#
    • 1...Bf8
      • 2.Sc3#
    • 1...Sb3
      • 2.cxb3#
  • Keys
    • 1.c3!
      • threat
        • 2.Qxb4#
      • 1...Bxc3
        • 2.Sxc3#
      • 1...Ba5
        • 2.Qc6#
      • 1...Ba3
        • 2.Qa6#
      • 1...Bc5
        • 2.Qa6#
      • 1...Bd6
        • 2.Qa6#
      • 1...Be7
        • 2.Qa6#
      • 1...Bf8
        • 2.Qa6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • B(c);N_GUARD::S(A)
    • B(c);N_GUARD::S(A),XB(c)
    • S(a);OGATE::P(C),XS(a)
  • Actual
    • P(C);
    • Threat
      • QAR1(D),XB(c)
    • Vars
      • B(c);XP(C)::S(A),XB(c)
      • B(c);SBLOCK::QAB(D)
      • B(c);N_GUARD::QAR2(D)
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