MESON Chess Problem Database

Problem Display
PID: 138456 (8/4pp2/6p1/3b2p1/Q2P1k1N/3P3r/3P1B1P/3B2K1 w - - 0 1)

Quah, James

The Independent, 1991

8/4pp2/6p1/3b2p1/Q2P1k1N/3P3r/3P1B1P/3B2K1

#2

9 + 7

14772 Creative and Imaginative Chess Concepts 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Bxe3#
      • 2.dxe3#
    • 1...Rg3+
      • 2.Bxg3#
      • 2.hxg3#
    • 1...f5
      • 2.Sxg6#
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qg4#
      • 1...Rg3+
        • 2.Bxg3#
        • 2.hxg3#
      • 1...Rxh4
        • 2.Be3#
        • 2.Bg3#
      • 1...g4
        • 2.Qxg4#
      • 1...Rf3
        • 2.Sg2#
      • 1...Bf3
        • 2.Be3#
      • 1...Be6
        • 2.Qc7#
      • 1...e6
        • 2.Qxf7#
      • 1...f5
        • 2.Sxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • P(g);N_GUARD,SBLOCK::S(I),XP(e)
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • P(d);::QAR1(G),XP(d)
      • R(a);S_CUTB(c)::S(I)
      • B(c);S_CUTR(a)::B(D)
      • B(c);S_CUTP(f)::QAB(G)
      • P(f);OGATE::QAR(G),XP(g)
      • P(g);N_GUARD::S(I),XP(e)
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