MESON Chess Problem Database

Problem Display
PID: 49726 (8/1K6/Np2PBp1/r1Pk2q1/2pnp1B1/2P5/5QN1/6b1 w - - 0 1)

Oltean, Gligor

3rd Prize, L'Italia Scacchistica, 2001

8/1K6/Np2PBp1/r1Pk2q1/2pnp1B1/2P5/5QN1/6b1

#2

9 + 9

56 The Problemist 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Qe3
      • 2.Sxe3#
    • 1...Qf4
      • 2.Sxf4#
    • 1...Qh4
      • 2.Se3#
      • 2.Sf4#
    • 1...Qe5
      • 2.Se3#
    • 1...Qh5
      • 2.Se3#
      • 2.Sf4#
    • 1...Bh2
      • 2.Qxd4#
    • 1...Sc2
      • 2.Sc7#
    • 1...Se2
      • 2.Sb4#
      • 2.Sc7#
    • 1...Sb3
      • 2.Sb4#
      • 2.Sc7#
    • 1...Sf3
      • 2.Sb4#
      • 2.Sc7#
    • 1...Sb5
      • 2.Sb4#
    • 1...Sf5
      • 2.Sc7#
    • 1...Sc6
      • 2.Sc7#
    • 1...Sxe6
      • 2.Sb4#
  • Keys
    • 1.Qf4!
      • threat
        • 2.Qd6#
      • 1...Qxf4
        • 2.Sxf4#
      • 1...Rxc5
        • 2.Sb4#
      • 1...bxc5
        • 2.Sc7#
      • 1...Sf5
        • 2.Qe5#
      • 1...Qe5
        • 2.Qxe5#
      • 1...Bh2
        • 2.Se3#
      • 1...Sb5
        • 2.Qxg5#
      • 1...e3
        • 2.Qxd4#

There are these versions: 95679

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • Q(g);N_GUARD::S(B),XQ(g)
    • Q(g);N_GUARD::S(B)
    • B(a);N_GUARD::QAR1(A),XS(c)
    • S(c);::S(F)
    • S(c);XP(G)::S(F)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • Q(g);XQ(A)::S(B),XQ(g)
      • R(e);SBLOCK,XP(E)::S(F)
      • P(h);SBLOCK,XP(E)::S(F)
      • S(c);S_CUTQ(g)::QAR1(A)
      • Q(g);N_GUARD::QAR1(A),XQ(g)
      • B(a);N_GUARD::S(B)
      • S(c);N_GUARD::QAR(A),XQ(g)
      • P(d);OGATE::QAR1(A),XS(c)
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