MESON Chess Problem Database

Problem Display
PID: 67105 (8/2p1K3/8/8/P1k3N1/rRP5/1n6/Q2BN1Bb w - - 0 1)

Stocchi, Ottavio

1st Comm., Zivkovic MT, 1954-1955

8/2p1K3/8/8/P1k3N1/rRP5/1n6/Q2BN1Bb

#2

9 + 5

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Bd5
      • 2.Se5#
    • 1...c5
      • 2.Se3#
  • Tries
    • 1.Rb4+?
      • 1...Kxc3
        • 2.Qxb2#
      • 1...Kd5!
  • Keys
    • 1.Rb5!
      • threat
        • 2.Rc5#
      • 1...Kxc3
        • 2.Qc1#
      • 1...Rxc3
        • 2.Se5#
      • 1...Sxd1
        • 2.Se5#
      • 1...Sxa4
        • 2.Be2#
      • 1...c5
        • 2.Rxc5#
      • 1...Sd3
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(a);SBLOCK::S(H)
    • P(e);SBLOCK::S(H)
  • Tries
    • Try
      • R(E);CHECK
      • Vars
        • K(d);P-FLIGHT,P_SPINS(b),XP(F)::QAB1(A),XS(b)
      • Refutation
        • K(d);S_FLIGHT
  • Actual
    • R(E);
    • Threat
      • R1(E)
    • Vars
      • K(d);OGATEB,P-FLIGHT,P_SPINS(b),XP(F)::QAR2(A)
      • R(c);SBLOCK,XP(F)::S(H)
      • S(b);XB(B)::S(H)
      • S(b);N_GUARD,XP(G)::B(B)
      • P(e);::R1(E),XP(e)
      • S(b);::S(H)
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