MESON Chess Problem Database

Problem Display
PID: 51331 (7q/6R1/1p2n3/b4P2/1p2NN2/3B1k1P/1R6/K1B4n w - - 0 1)

Andrade, Barry Jack da Costa

Manchester Guardian, 1957

7q/6R1/1p2n3/b4P2/1p2NN2/3B1k1P/1R6/K1B4n

#2

9 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Sf2
      • 2.Rxf2#
      • 2.Rg3#
    • 1...Sg3
      • 2.Rf2#
      • 2.Rxg3#
  • Tries
    • 1.Sg2?
      • threat
        • 2.Se1#
      • 1...Qh4
        • 2.Sxh4#
      • 1...b3!
  • Keys
    • 1.Sg6!
      • threat
        • 2.Se5#
      • 1...Qxg7
        • 2.Sh4#
      • 1...Qb8
        • 2.Sh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);
      • Threat
        • S(G)
      • Vars
        • Q(g);N_GUARD::S(G),XQ(g)
      • Refutation
        • P(c);
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • Q(g);N_GUARD,P_PINR(C),XR(I)::S(G)
      • Q(g);N_GUARD::S(G)
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