MESON Chess Problem Database

Problem Display
PID: 18490 (6n1/K1P1pNn1/R3Prbp/3RBkr1/3PpppQ/4q3/7P/8 w - - 0 1)

Apro, Laszlo

2nd Prize, Chess Life (unusual or unorthodox ideas Ty.), 1955-1956

6n1/K1P1pNn1/R3Prbp/3RBkr1/3PpppQ/4q3/7P/8

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Qxd4+
      • 2.Bxd4#
    • 1...Rh5
      • 2.Bxf6#
    • 1...Rxf7
      • 2.Bxg7#
    • 1...Sxe6
      • 2.Bd6#
    • 1...f3
      • 2.Bg3#
    • 1...g3
      • 2.Bxf4#
    • 1...h5
      • 2.Qxg5#
  • Keys
    • 1.Qxh6!
      • threat
        • 2.Qxg5#
      • 1...Qxd4+
        • 2.Bxd4#
      • 1...Rxf7
        • 2.Bxg7#
      • 1...Bxf7
        • 2.Bxf6#
      • 1...Sxe6
        • 2.Bd6#
      • 1...Sxh6
        • 2.Sxh6#
      • 1...Rh5
        • 2.Bxf4#
      • 1...f3
        • 2.Bg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • Q(a);CHECK,OGATE,XP(B)::R(D)+B(E),XQ(a)
    • R(f);::R(D)+B(E),XR(g)
    • R(g);OGATE,XS(J)::R(D)+B(E),XS(k)
    • S(k);SBLOCK,XP(G)::R(D)+B(E)
    • P(c);OGATE::R(D)+B(E)
    • P(d);::R(D)+B(E),XP(c)
    • P(i);N_GUARD::QAR1(C),XR(f)
  • Actual
    • Q(C);XP(i)
    • Threat
      • QAR1(C),XR(f)
    • Vars
      • Q(a);CHECK,OGATE,XP(B)::R(D)+B(E),XQ(a)
      • R(g);OGATE,XS(J)::R(D)+B(E),XS(k)
      • B(h);XS(J)::R(D)+B(E),XR(g)
      • S(k);SBLOCK,XP(G)::R(D)+B(E)
      • S(l);XQ(C)::S(J),XS(l)
      • R(f);::R(D)+B(E),XP(c)
      • P(c);OGATE::R(D)+B(E)
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