MESON Chess Problem Database

Problem Display
PID: 58217 (Q1B2Rb1/3rbn1p/8/4kPP1/3p1N2/3p2K1/8/8 w - - 0 1)

Vitale, Luigi

Scacco!, 1997

Q1B2Rb1/3rbn1p/8/4kPP1/3p1N2/3p2K1/8/8

#2

7 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf5
      • 2.Qd5#
    • 1...Rd5
      • 2.Qxd5#
    • 1...Rd6
      • 2.Sxd3#
    • 1...Ra7
      • 2.Qd5#
    • 1...Rc7
      • 2.Qd5#
    • 1...Bd6
      • 2.Qd5#
    • 1...Sd6
      • 2.Sxd3#
  • Keys
    • 1.Qc6!
      • threat
        • 2.Qe6#
      • 1...Kxf5
        • 2.Qd5#
      • 1...Sxg5
        • 2.Sxd3#
      • 1...Rd6
        • 2.Sxd3#
      • 1...Bd6
        • 2.Qd5#
      • 1...Sd6
        • 2.Sxd3#
      • 1...Sh6
        • 2.Sxd3#
      • 1...Sd8
        • 2.Sxd3#
      • 1...Sh8
        • 2.Sxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 3
  • Sets
    • K(c);P-FLIGHT,P_SPINR(d),P_SPINS(f),XP(C)::QAR2(E)
    • R(d);N_GUARD::QAR1(E),XR(d)
    • R(d);SBLOCK::S(B),XP(a)
    • R(d);N_GUARD::QAR1(E)
    • B(e);S_CUTR(d)::QAR1(E)
    • S(f);SBLOCK::S(B),XP(a)
  • Actual
    • Q(E);
    • Threat
      • QAR1(E)
    • Vars
      • K(c);P-FLIGHT,P_SPINR(d),P_SPINS(f),XP(C)::QAR2(E)
      • S(f);XP(D)::S(B),XP(a)
      • R(d);::S(B),XP(a)
      • B(e);S_CUTR(d)::QAR1(E)
      • S(f);::S(B),XP(a)
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