MESON Chess Problem Database

Problem Display
PID: 59092 (2R5/7p/3K2bQ/1p5p/2PkN3/BpNp1p2/1P1p1p2/3rr3 w - - 0 1)

Brabec, Juraj

1st Prize, Sachove umeni (Ceskoslovensky sach), 1965

2R5/7p/3K2bQ/1p5p/2PkN3/BpNp1p2/1P1p1p2/3rr3

#2

8 + 12

3772 FIDE Album (1965-1967) 1976

SOLUTION

  • SOUND
  • Sets
    • 1...Re3
      • 2.Qg7#
    • 1...Rxe4
      • 2.Sxb5#
    • 1...Bxe4
      • 2.Sxb5#
    • 1...bxc4
      • 2.Bc5#
  • Tries
    • 1.Qf4?
      • threat
        • 2.Sxb5#
      • 1...bxc4
        • 2.Sb5#
        • 2.Bc5#
      • 1...b4
        • 2.Sb5#
      • 1...Be8!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sxb3#
      • 1...Re6+
        • 2.Sxe6#
      • 1...Kxc4
        • 2.Se6#
      • 1...bxc4
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(b);SBLOCK::QAB(G)
    • R(b);SBLOCK,XS(E)::S(C),XP(i)
    • B(k);SBLOCK,XS(E)::S(C),XP(i)
    • P(i);SBLOCK,XP(D)::B(B)
  • Tries
    • Try
      • Q(G);
      • Threat
        • S(C),XP(i)
      • Vars
        • P(i);::S(C)
      • Refutation
        • B(k);
  • Actual
    • S(E);
    • Threat
      • S(E),XP(e)
    • Vars
      • R(b);CHECK,N_GUARD::S(E),XR(b)
      • K(h);P-FLIGHT,XP(D)::R(H)+S(E)
      • P(i);SBLOCK,XP(D)::S(C)
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