MESON Chess Problem Database

Problem Display
PID: 77 (8/3Ppr2/2Q1b3/b3k1p1/r3N3/4PpN1/7B/1B5K w - - 0 1)

Apro, Laszlo

Magasinet, 1930

8/3Ppr2/2Q1b3/b3k1p1/r3N3/4PpN1/7B/1B5K

#2

8 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Sf1#
      • 2.Se2#
      • 2.Sh5#
  • Tries
    • 1.Qc3+?
      • 1...Kd5
        • 2.Qc5#
      • 1...Rd4
        • 2.Qxd4#
      • 1...Bxc3!
    • 1.Qc7+?
      • 1...Kd5
        • 2.Qc5#
      • 1...Bxc7!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Qxe6#
      • 1...Kf6
        • 2.Sh5#
      • 1...Bxd7
        • 2.Sd3#
        • 2.Sxd7#
      • 1...Rf6
        • 2.Sd3#
      • 1...Ba2
        • 2.Sd3#
      • 1...Bb3
        • 2.Sd3#
      • 1...Bh3
        • 2.Sd3#
      • 1...Bc4
        • 2.Sf5#
      • 1...Bg4
        • 2.Sd3#
      • 1...Bd5
        • 2.Sd3#
      • 1...Bf5
        • 2.Sge4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR1(G)
        • R(b);N_GUARD,P_SPINR(b)::QAB1(G),XR(b)
      • Refutation
        • B(c);XQ(G)
    • Try
      • Q(G);CHECK
      • Vars
        • K(d);P-FLIGHT::QAR1(G)
      • Refutation
        • B(c);XQ(G)
  • Actual
    • S(F);
    • Threat
      • QAR1(G),XB(f)
    • Vars
      • K(d);P_SPINB(f),S_FLIGHT::S(E)
      • R(h);SBLOCK::S(F)
      • B(f);::S(F)
      • B(f);S_CUTR(b)::B(C)+S(E)
      • B(f);SBLOCK,S_CUTR(h)::B(C)+S(E)
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