MESON Chess Problem Database

Problem Display
PID: 95721 (8/B1r5/3nr3/4QN2/2kbPn2/P1pNp3/2K5/8 w - - 0 1)

Urlati, Mario

L'Italia Scacchistica, 1973

8/B1r5/3nr3/4QN2/2kbPn2/P1pNp3/2K5/8

#2

7 + 8

14744 Nuova Antologia dei Problemisti Italiani 1992
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Sxd6#
    • 1...Ree7
      • 2.Sxd6#
    • 1...Re8
      • 2.Sxd6#
    • 1...Se2
      • 2.Qd5#
    • 1...Sg2
      • 2.Qd5#
    • 1...Sxd3
      • 2.Qd5#
    • 1...Sh3
      • 2.Qd5#
    • 1...Sd5
      • 2.Qxd5#
    • 1...Sh5
      • 2.Qd5#
    • 1...Sg6
      • 2.Qd5#
  • Tries
    • 1.Qxe6+?
      • 1...Sd5
        • 2.Sxd6#
        • 2.Qxd5#
      • 1...Sxe6
        • 2.Sxd6#
      • 1...Kb5!
  • Keys
    • 1.a4!
      • threat
        • 2.Qxd4#
      • 1...Rxe5
        • 2.Sxd6#
      • 1...Bxe5
        • 2.Sxe3#
      • 1...Bxa7
        • 2.Qxc3#
      • 1...Sxf5
        • 2.Qb5#
      • 1...Bc5
        • 2.Qxc3#
      • 1...Bb6
        • 2.Qxc3#
      • 1...Se2
        • 2.Qd5#
        • 2.Qxe6#
      • 1...Sb5
        • 2.Qxb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 9
  • Sets
    • R(g);N_GUARD,XQ(E)::S(F),XS(f)
    • R(g);N_GUARD::S(F),XS(f)
    • S(e);N_GUARD::QAB1(E)
    • S(e);N_GUARD,XS(C)::QAB1(E)
    • S(e);N_GUARD::QAB1(E),XS(e)
  • Tries
    • Try
      • Q(E);CHECK,XR(g)
      • Vars
        • S(e);XQ(E)::S(F),XS(f)
      • Refutation
        • K(c);S_FLIGHT
  • Actual
    • P(B);
    • Threat
      • QAR1(E),XB(d)
    • Vars
      • R(g);N_GUARD,XQ(E)::S(F),XS(f)
      • B(d);N_GUARD,XQ(E)::S(F),XP(b)
      • B(d);OGATE,XB(G)::QAR1(E),XP(a)
      • S(f);N_GUARD,XS(F)::QAB1(E)
      • B(d);OGATE::QAR1(E),XP(a)
      • S(f);N_GUARD::QAB1(E),XS(f)
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