MESON Chess Problem Database

Problem Display
PID: 64258 (8/5n2/6p1/3R1N1R/5k1b/r4Bp1/4P3/3nB1K1 w - - 0 1)

Stocchi, Ottavio

American Chess Bulletin, 1952

8/5n2/6p1/3R1N1R/5k1b/r4Bp1/4P3/3nB1K1

#2

7 + 7

5407 Selected Stocchi (II) 2004
14475 Mat Plus Review 2007

SOLUTION

  • SOUND
  • Sets
    • 1...Bg5
      • 2.Bxg3#
    • 1...Bf6
      • 2.Bxg3#
    • 1...Be7
      • 2.Bxg3#
    • 1...Bd8
      • 2.Bxg3#
    • 1...Sc3
      • 2.Bd2#
    • 1...Se5
      • 2.Rd4#
    • 1...Sg5
      • 2.Rxh4#
  • Tries
    • 1.Sxh4?
      • threat
        • 2.Sg2#
      • 1...Ke3
        • 2.Sg2#
        • 2.Bd2#
      • 1...Se3
        • 2.Sxg6#
        • 2.Rd4#
      • 1...g2
        • 2.Sxg2#
      • 1...Rxf3!
  • Keys
    • 1.Se3!
      • threat
        • 2.Sg2#
      • 1...Kxe3
        • 2.Bd2#
      • 1...Rxe3
        • 2.Rxh4#
      • 1...Sxe3
        • 2.Rd4#
      • 1...g2
        • 2.Sxg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • B(e);N_GUARD::B(A),XP(c)
    • S(a);N_GUARD,S_CUTR(b)::B(A)
    • S(g);SBLOCK::R(E)
    • S(g);SBLOCK::R(G),XB(e)
  • Tries
    • Try
      • S(F);XB(e)
      • Threat
        • S(F)
      • Vars
        • P(c);::S(F),XP(c)
      • Refutation
        • R(b);XB(D)
  • Actual
    • S(F);
    • Threat
      • S(F)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(F)::B(A)
      • R(b);SBLOCK,XS(F)::R(G),XB(e)
      • S(a);SBLOCK,XS(F)::R(E)
      • P(c);::S(F),XP(c)
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