MESON Chess Problem Database

Problem Display
PID: 67891 (8/2K5/4p2B/3P1p2/p2k4/P2p3N/6Q1/2R2N2 w - - 0 1)

Stocchi, Ottavio

Problemi di Ottavio Stocchi, 1995

8/2K5/4p2B/3P1p2/p2k4/P2p3N/6Q1/2R2N2

#2

8 + 5

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Bg7#
    • 1...exd5
      • 2.Bg7#
    • 1...e5
      • 2.Be3#
  • Tries
    • 1.Sg3?
      • 1...Ke5
        • 2.Bg7#
      • 1...exd5
        • 2.Qb2#
      • 1...f4
        • 2.Qe4#
      • 1...e5
        • 2.Sxf5#
      • 1...d2!
    • 1.Rc4+?
      • 1...Ke5
        • 2.Bg7#
      • 1...Kxc4!
  • Keys
    • 1.Sd2!
      • 1...Ke5
        • 2.Bg7#
      • 1...exd5
        • 2.Qg7#
      • 1...f4
        • 2.Qe4#
      • 1...e5
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(c);S_FLIGHT::B(G)
    • P(e);N_GUARD,XP(F)::B(G)
    • P(e);SBLOCK::B(G)
  • Tries
    • Try
      • S(B);
      • Vars
        • K(c);S_FLIGHT::B(G)
        • P(e);SBLOCK,XP(F)::QAB(C)
        • P(d);N_GUARD::QAR1(C)
        • P(e);N_GUARD,SBLOCK::S(B),XP(d)
      • Refutation
        • P(a);
    • Try
      • R(A);CHECK
      • Vars
        • K(c);S_FLIGHT::B(G)
      • Refutation
        • K(c);P-FLIGHT,XR(A)
  • Actual
    • S(B);
    • Vars
      • K(c);S_FLIGHT::B(G)
      • P(e);N_GUARD,SBLOCK,XP(F)::QAB(C)
      • P(d);N_GUARD::QAR1(C)
      • P(e);SBLOCK::R1(A)
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