MESON Chess Problem Database

Problem Display
PID: 66835 (8/1B6/1p3K2/qQN5/p1Nk1p1B/7r/2R4b/5b2 w - - 0 1)

Stocchi, Ottavio

1st Prize, Osterreichische Schachzeitung, 1952

8/1B6/1p3K2/qQN5/p1Nk1p1B/7r/2R4b/5b2

#2

7 + 8

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rd3
      • 2.Se6#
    • 1...Bd3
      • 2.Se6#
    • 1...f3
      • 2.Bf2#
    • 1...bxc5
      • 2.Qd7#
  • Tries
    • 1.Sd6?
      • threat
        • 2.Sf5#
      • 1...Ke3
        • 2.Sf5#
        • 2.Bf2#
      • 1...Bd3!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sf5#
      • 1...Kxe3
        • 2.Bf2#
      • 1...Rxe3
        • 2.Qd7#
      • 1...fxe3
        • 2.Se6#
      • 1...Bd3
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(c);SBLOCK::S(E)
    • B(a);SBLOCK::S(E)
    • P(f);S_CUTR(c)::B(C)
    • P(h);SBLOCK,XS(E)::QAR(D)
  • Tries
    • Try
      • S(B);
      • Threat
        • S(B)
      • Refutation
        • B(a);
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(B)::B(C)
      • R(c);SBLOCK,XS(B)::QAR(D)
      • P(f);SBLOCK,XS(B)::S(E)
      • B(a);N_GUARD::QAR1(D),XB(a)
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