MESON Chess Problem Database

Problem Display
PID: 23094 (8/2BB4/8/8/3nk1K1/3p4/8/Q7 w - - 0 1)

Lincoln, Robert A

Fun with Chess Miniatures, 1996

8/2BB4/8/8/3nk1K1/3p4/8/Q7

#2

4 + 3

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Qe5#
    • 1...Se2
      • 2.Qe5#
    • 1...Sb3
      • 2.Qe5#
    • 1...Sb5
      • 2.Qe5#
    • 1...Sf5
      • 2.Qe5#
    • 1...Se6
      • 2.Qe5#
  • Keys
    • 1.Bb6!
      • threat
        • 2.Qxd4#
      • 1...Ke3
        • 2.Qe1#
      • 1...Kd5
        • 2.Qxd4#
      • 1...Ke5
        • 2.Qxd4#
      • 1...Sc2
        • 2.Bc6#
      • 1...Se2
        • 2.Bc6#
      • 1...Sb3
        • 2.Bc6#
      • 1...Sf3
        • 2.Bc6#
      • 1...Sb5
        • 2.Bc6#
      • 1...Sf5
        • 2.Bc6#
      • 1...Sc6
        • 2.Bxc6#
      • 1...Se6
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 6
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE::QAR1(A)
  • Actual
    • B(C);
    • Threat
      • QAR1(A),XS(b)
    • Vars
      • K(c);P-FLIGHT,P_SPINS(b)::QAR2(A)
      • K(c);S_FLIGHT::QAR1(A),XS(b)
      • K(c);P-FLIGHT,P_SPINS(b)::QAB1(A),XS(b)
      • S(b);N_GUARD::B(D)
      • S(b);N_GUARD::B(D),XS(b)
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