MESON Chess Problem Database

Problem Display
PID: 42843 (8/bP3Q2/4PK2/R2N4/3k4/Bq2R3/1N3P2/6nb w - - 0 1)

Pachl, Franz

6th HM., Schach-Echo, 1977

8/bP3Q2/4PK2/R2N4/3k4/Bq2R3/1N3P2/6nb

#2

10 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Bc5+?
      • 1...Kxd5
        • 2.Qd7#
      • 1...Bxc5!
    • 1.Rd3+?
      • 1...Ke4
        • 2.Qg6#
        • 2.Qh7#
      • 1...Qxd3!
    • 1.Qh5?
      • threat
        • 2.Qe5#
      • 1...Qxd5
        • 2.Qd1#
      • 1...Qxe3
        • 2.Ra4#
      • 1...Bb8
        • 2.Bc5#
      • 1...Sf3
        • 2.Qg4#
      • 1...Qxb2!
  • Keys
    • 1.Qc7!
      • threat
        • 2.Qe5#
      • 1...Qxd5
        • 2.Qc3#
      • 1...Qxb2
        • 2.Bxb2#
      • 1...Qxe3
        • 2.Qc4#
      • 1...Bb8
        • 2.Qc5#
      • 1...Sf3
        • 2.Qf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(d);P-FLIGHT,XS(F)::QAR2(J)
      • Refutation
        • B(e);XB(C)
    • Try
      • R(D);CHECK
      • Refutation
        • Q(c);XR(D)
    • Try
      • Q(J);
      • Threat
        • QAB1(J)
      • Vars
        • Q(c);N_GUARD,XS(F)::QAR(J)
        • Q(c);N_GUARD,XR(D)::R(E)
        • B(e);N_GUARD::B(C)
        • S(a);S_CUTB(b)::QAR(J)
      • Refutation
        • Q(c);XS(A)
  • Actual
    • Q(J);
    • Threat
      • QAB1(J)
    • Vars
      • Q(c);N_GUARD,XS(F)::QAB1(J)
      • Q(c);OGATE,XS(A)::B(C),XQ(c)
      • Q(c);N_GUARD,XR(D)::QAR1(J)
      • B(e);N_GUARD::QAB1(J)
      • S(a);S_CUTB(b)::QAR2(J)
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