MESON Chess Problem Database

Problem Display
PID: 67083 (8/8/5Rpr/6Pr/Q2N1Nkb/3pR1P1/5p1p/3K1B1n w - - 0 1)

Stocchi, Ottavio

1st Prize, Trybuna Robotnicza, 1954/I

8/8/5Rpr/6Pr/Q2N1Nkb/3pR1P1/5p1p/3K1B1n

#2

9 + 9

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rxg5
      • 2.Bh3#
    • 1...Bxg5
      • 2.Qd7#
  • Tries
    • 1.Qb5?
      • threat
        • 2.Bh3#
      • 1...Bxg5
        • 2.Qd7#
      • 1...Bxg3!
  • Keys
    • 1.Sf3!
      • threat
        • 2.Se2#
      • 1...Kxg3
        • 2.Se5#
      • 1...Rxg5
        • 2.Sxh2#
      • 1...Bxg3
        • 2.Qd7#
      • 1...Bxg5
        • 2.Se5#
      • 1...Sxg3
        • 2.Bh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(g);SBLOCK,XP(H)::B(B)
    • B(f);SBLOCK,XP(H)::QAB(E)
  • Tries
    • Try
      • Q(E);
      • Threat
        • B(B)
      • Vars
        • B(f);SBLOCK,XP(H)::QAB(E)
      • Refutation
        • B(f);XP(D)
  • Actual
    • S(F);
    • Threat
      • QAR(E)+S(G)
    • Vars
      • K(e);P-FLIGHT,XP(D)::R(C)+S(F)
      • R(g);SBLOCK,XP(H)::S(F),XP(c)
      • B(f);SBLOCK,XP(D)::QAB(E)
      • B(f);SBLOCK,XP(H)::S(F)
      • S(a);SBLOCK,XP(D)::B(B)
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