MESON Chess Problem Database

Problem Display
PID: 147096 (8/8/6K1/1Q1Np3/R2Pkp2/3p1rp1/5p2/8 w - - 0 1)

Lincoln, Robert A

Australian Chess Problem Magazine, 1996

8/8/6K1/1Q1Np3/R2Pkp2/3p1rp1/5p2/8

#2

5 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.Sb4!
      • threat
        • 2.Qxe5#
      • 1...Ke3
        • 2.Qxd3#
      • 1...Kxd4
        • 2.Sd5#
      • 1...exd4
        • 2.Qe8#
      • 1...Re3
        • 2.Qd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(D);
    • Threat
      • QAR1(C),XP(g)
    • Vars
      • K(e);P-FLIGHT::QAR1(C),XP(b)
      • K(e);P-FLIGHT,XP(B)::R(A)+S(D)
      • P(g);OGATEB,SBLOCK,XP(B)::QAR(C)
      • R(c);SBLOCK::QAB1(C)
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