MESON Chess Problem Database

Problem Display
PID: 23711 (8/8/4nK2/5Qpk/8/8/5P2/5b2 w - - 0 1)

Lincoln, Robert A

Australian Chess Problem Magazine, 1996

8/8/4nK2/5Qpk/8/8/5P2/5b2

#2

3 + 4

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Kh6
      • 2.Qg6#
    • 1...Be2
      • 2.Qh3#
    • 1...Bd3
      • 2.Qh3#
    • 1...Bh3
      • 2.Qxh3#
    • 1...Bc4
      • 2.Qh3#
    • 1...Bb5
      • 2.Qh3#
    • 1...Ba6
      • 2.Qh3#
    • 1...Sd4
      • 2.Qxg5#
    • 1...Sf4
      • 2.Qxg5#
    • 1...Sc5
      • 2.Qxg5#
    • 1...Sc7
      • 2.Qxg5#
    • 1...Sg7
      • 2.Qxg5#
    • 1...Sd8
      • 2.Qxg5#
    • 1...Sf8
      • 2.Qxg5#
  • Keys
    • 1.f3!
      • threat
        • 2.Qh7#
      • 1...Kh4
        • 2.Qg4#
      • 1...Kh6
        • 2.Qg6#
      • 1...Bd3
        • 2.Qh3#
      • 1...Sf8
        • 2.Qxg5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 11
  • Sets
    • K(c);N_SPINP(b),P-FLIGHT::QAR1(B)
    • B(a);N_GUARD::QAR2(B)
    • B(a);N_GUARD::QAR2(B),XB(a)
    • B(a);N_GUARD,SBLOCK::QAR2(B)
    • S(d);N_GUARD::QAR1(B),XP(b)
  • Actual
    • P(A);
    • Threat
      • QAR2(B)
    • Vars
      • K(c);N_SPINP(b),P-FLIGHT::QAR1(B)
      • B(a);N_GUARD::QAR2(B)
      • S(d);N_GUARD::QAR1(B),XP(b)
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