MESON Chess Problem Database

Problem Display
PID: 15684 (8/B3p1NK/3k1rp1/3N1p2/B4P2/b7/qp4Q1/8 w - - 0 1)

Tura, Waldemar

1st Prize, Biuletyn, 1987

8/B3p1NK/3k1rp1/3N1p2/B4P2/b7/qp4Q1/8

#2

7 + 8

3297 FIDE Album (1986-1988) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Re6
      • 2.Se8#
    • 1...Bc5
      • 2.Bb8#
    • 1...e6
      • 2.Se8#
  • Tries
    • 1.Qe4?
      • threat
        • 2.Se8#
        • 2.Qe5#
      • 1...Qxd5
        • 2.Se8#
      • 1...Re6
        • 2.Se8#
        • 2.Qxe6#
      • 1...Rf7
        • 2.Qe5#
        • 2.Qe6#
      • 1...Rf8
        • 2.Qe5#
        • 2.Qe6#
      • 1...e5
        • 2.Qxe5#
        • 2.fxe5#
      • 1...fxe4!
    • 1.Qc2?
      • threat
        • 2.Qc6#
      • 1...Kxd5
        • 2.Qd3#
      • 1...Qxd5
        • 2.Bb8#
      • 1...Bc5
        • 2.Qxc5#
      • 1...Qc4!
  • Keys
    • 1.Qe2!
      • threat
        • 2.Qe5#
      • 1...Kxd5
        • 2.Qd3#
      • 1...Qxd5
        • 2.Se8#
      • 1...Re6
        • 2.Qxe6#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(f);SBLOCK::S(F)
    • B(c);SBLOCK::B(E)
    • P(h);SBLOCK::S(F)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • Q(a);XS(D)::S(F)
      • Refutation
        • P(d);XQ(A)
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(e);OGATEB,P-FLIGHT,XS(D)::QAR2(A)
        • Q(a);SBLOCK,XS(D)::B(E)
        • B(c);N_GUARD::QAB1(A),XB(c)
      • Refutation
        • Q(a);
  • Actual
    • Q(A);
    • Threat
      • QAB1(A)
    • Vars
      • K(e);OGATEB,P-FLIGHT,XS(D)::QAR2(A)
      • Q(a);SBLOCK,XS(D)::S(F)
      • R(f);N_GUARD::QAR1(A),XR(f)
      • P(h);::QAB1(A),XP(h)
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