MESON Chess Problem Database

Problem Display
PID: 39229 (4Kbk1/8/6p1/4B3/7Q/7r/8/8 w - - 0 1)

Lincoln, Robert A

Newark Star-Ledger, 1999

4Kbk1/8/6p1/4B3/7Q/7r/8/8

#2

3 + 4

2786 More Fun with Chess Miniatures 2000

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Qh8#
    • 1...Rb3
      • 2.Qh8#
    • 1...Rc3
      • 2.Qh8#
    • 1...Rd3
      • 2.Qh8#
    • 1...Re3
      • 2.Qh8#
    • 1...Rf3
      • 2.Qh8#
    • 1...Rg3
      • 2.Qh8#
  • Keys
    • 1.Qf6!
      • threat
        • 2.Qf7#
      • 1...Kh7
        • 2.Qh8#
      • 1...Bg7
        • 2.Qxg7#
      • 1...Rf3
        • 2.Qh8#
      • 1...Rh7
        • 2.Qxf8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • R(a);N_GUARD::QAR1(A)
    • R(a);N_GUARD,P_PINB(B)::QAR1(A)
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(d);S_FLIGHT::QAR1(A)
      • B(c);N_GUARD::QAR1(A),XB(c)
      • R(a);N_GUARD::QAR1(A)
      • R(a);SBLOCK::QAR1(A),XB(c)
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