MESON Chess Problem Database

Problem Display
PID: 107661 (2K4B/3p1P2/4PRB1/2P1kP2/7n/2N1P3/8/3q4 w - - 0 1)

Bakcsi, Gyorgy

Due Alfieri, 1985

2K4B/3p1P2/4PRB1/2P1kP2/7n/2N1P3/8/3q4

#2

10 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...dxe6
      • 2.Rxe6#
  • Tries
    • 1.f8Q?
      • threat
        • 2.Rf7#
      • 1...Sxg6
        • 2.Rxg6#
      • 1...Qh5
        • 2.Qd6#
      • 1...Sxf5!
  • Keys
    • 1.f8S!
      • threat
        • 2.Rf7#
      • 1...Sxf5
        • 2.Rxf5#
      • 1...Sxg6
        • 2.Sxg6#
      • 1...Qh5
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • P(d);OGATE,XP(E)::B(J)+R(F),DCHECK,XP(d)
  • Tries
    • Try
      • P(H);
      • Threat
        • B(J)+R(F)
      • Vars
        • S(b);OGATE,XB(G)::B(J)+R(F),XS(b)
        • Q(a);N_GUARD::QAB1(H)
      • Refutation
        • S(b);XP(D)
  • Actual
    • P(H);
    • Threat
      • B(J)+R(F)
    • Vars
      • S(b);OGATE,XP(D)::B(J)+R(F),DCHECK,XS(b)
      • S(b);XB(G)::S(H),XS(b)
      • Q(a);N_GUARD::S(H),XP(d)
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