MESON Chess Problem Database

Problem Display
PID: 43212 (1QB3kr/2P2R2/1r2PP1p/2b5/q7/6B1/6NP/6RK w - - 0 1)

Buchwald, Julius

1st HM., BCF 039. Ty., 1941-1942

1QB3kr/2P2R2/1r2PP1p/2b5/q7/6B1/6NP/6RK

#2

11 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Bd7#
  • Tries
    • 1.Bb7+?
      • 1...Bf8
        • 2.Rg7#
        • 2.Qxf8#
      • 1...Qe8!
    • 1.Bd7+?
      • 1...Bf8
        • 2.Rg7#
        • 2.Qxf8#
      • 1...Rxb8!
  • Keys
    • 1.Bd6!
      • threat
        • 2.Rg7#
      • 1...Rxd6
        • 2.Bd7#
      • 1...Bxd6
        • 2.Sf4#
      • 1...Rh7
        • 2.Rf8#
      • 1...Qd7
        • 2.Se3#
      • 1...Qg4
        • 2.Bb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD,S_CUTB(b)::QAR(J)+B(K)
  • Tries
    • Try
      • B(K);CHECK
      • Refutation
        • Q(a);P_SPINQ(a)
    • Try
      • B(K);CHECK
      • Refutation
        • R(c);XQ(J)
  • Actual
    • B(E);
    • Threat
      • R1(I)
    • Vars
      • R(c);N_GUARD,XB(E)::QAR(J)+B(K)
      • B(b);N_GUARD,XB(E)::R(A)+S(C)
      • R(f);SBLOCK::R1(I)
      • Q(a);N_GUARD::R(A)+S(C)
      • Q(a);N_GUARD::QAR(J)+B(K)
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