MESON Chess Problem Database

Problem Display
PID: 704 (2Q5/Rb3kB1/3PN1p1/rr4p1/1p3n2/2nB1N2/1qp5/2b4K w - - 0 1)

Apro, Laszlo

1st Prize, British Chess Magazine, 1938

2Q5/Rb3kB1/3PN1p1/rr4p1/1p3n2/2nB1N2/1qp5/2b4K

#2

8 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rd5
      • 2.Rxb7#
    • 1...Re5
      • 2.Rxb7#
    • 1...Rf5
      • 2.Rxb7#
    • 1...Scd5
      • 2.Sfxg5#
    • 1...Sfd5
      • 2.Se5#
  • Tries
    • 1.Sxg5+?
      • 1...Rxg5
        • 2.Rxb7#
      • 1...Kxg7!
  • Keys
    • 1.Bc4!
      • threat
        • 2.Qf8#
      • 1...Rd5
        • 2.Rxb7#
      • 1...Scd5
        • 2.Sfxg5#
      • 1...Sfd5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • R(h);N_GUARD,N_PINS(C)::R(F),XB(k)
    • R(h);N_GUARD::R(F),XB(k)
    • S(d);N_PINS(C)::S(C),XP(i)
    • S(f);N_PINS(C)::S(C)
  • Tries
    • Try
      • S(E);CHECK,XP(i)
      • Vars
        • R(h);XS(E)::R(F),XB(k)
      • Refutation
        • K(l);P-FLIGHT,XB(G)
  • Actual
    • B(B);
    • Threat
      • QAR1(H)
    • Vars
      • R(h);N_GUARD,N_PINS(C)::R(F),XB(k)
      • S(d);N_PINS(C)::S(C),XP(i)
      • S(f);N_PINS(C)::S(C)
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