MESON Chess Problem Database

Problem Display
PID: 103495 (7Q/nq1pRp2/6p1/4P3/3BkNK1/4P2P/B7/8 w - - 0 1)

Bussetta, Arturo

Franco, Francesco

Scacco!, 1999

7Q/nq1pRp2/6p1/4P3/3BkNK1/4P2P/B7/8

#2

9 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Bb1#
      • 2.Bxd5#
    • 1...Qa6
      • 2.Bd5#
    • 1...Qa8
      • 2.Bb1#
    • 1...Qc8
      • 2.Bd5#
    • 1...Qb1
      • 2.Bxb1#
      • 2.Bd5#
    • 1...Qb2
      • 2.Bd5#
    • 1...Qb4
      • 2.Bd5#
    • 1...Qb6
      • 2.Bd5#
    • 1...Qc7
      • 2.Bd5#
    • 1...Qb8
      • 2.Bd5#
    • 1...Sb5
      • 2.Bb1#
    • 1...Sc6
      • 2.Bd5#
    • 1...f5+
      • 2.exf5 ep#
    • 1...f6
      • 2.exf6#
  • Tries
    • 1.Bxf7?
      • threat
        • 2.Bxg6#
      • 1...Qa6
        • 2.Bd5#
      • 1...Qb6
        • 2.Bd5#
      • 1...g5
        • 2.Bg6#
        • 2.Qh7#
      • 1...Qc6!
  • Keys
    • 1.Qa8!
      • threat
        • 2.Bb1#
      • 1...f5+
        • 2.exf5 ep#
      • 1...Sc6
        • 2.Bd5#
      • 1...d5
        • 2.exd5 ep#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • Q(d);N_GUARD::B(A)
    • S(c);S_CUTQ(d)::B(A)
    • P(f);CHECK,OGATE::R(H)+P(G),XP(f),EP
    • P(f);OGATE::R(H)+P(G),XP(f)
  • Tries
    • Try
      • B(A);XP(f)
      • Threat
        • B(A),XP(b)
      • Vars
        • Q(d);N_GUARD::B(A)
      • Refutation
        • Q(d);
  • Actual
    • Q(I);P_PINQ(d)
    • Threat
      • B(A)
    • Vars
      • P(f);CHECK,OGATE::R(H)+P(G),XP(f),EP
      • S(c);N_SPINQ(d),S_CUTQ(d)::B(A)
      • P(e);N_SPINQ(d),OGATE::R(H)+P(G),XP(e),EP
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