MESON Chess Problem Database

Problem Display
PID: 63963 (8/3Rn1pb/r2B2Q1/1p2p3/1nrk2N1/2p1NP2/4P2K/8 w - - 0 1)

Stocchi, Ottavio

2nd Prize=, La Scacchiera, 1951

8/3Rn1pb/r2B2Q1/1p2p3/1nrk2N1/2p1NP2/4P2K/8

#2

8 + 10

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rc5
      • 2.Bxe5#
    • 1...Bg8
      • 2.Qe4#
    • 1...Sbd5
      • 2.Sc2#
    • 1...Sbc6
      • 2.Bxe7#
    • 1...Sed5
      • 2.Sf5#
    • 1...Sec6
      • 2.Bxb4#
    • 1...e4
      • 2.Qxg7#
  • Tries
    • 1.Bxb4+?
      • 1...Sd5
        • 2.Sc2#
        • 2.Sf5#
        • 2.Rxd5#
      • 1...Rd6!
    • 1.Bxe7+?
      • 1...Sd5
        • 2.Sc2#
        • 2.Sf5#
        • 2.Rxd5#
      • 1...Rd6!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qxe5#
      • 1...Rc5
        • 2.Bxe5#
      • 1...Sd3
        • 2.Sc2#
      • 1...Sbc6
        • 2.Bxe7#
      • 1...Sec6
        • 2.Bxb4#
      • 1...Sg6
        • 2.Sf5#
      • 1...e4
        • 2.Qe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • R(c);SBLOCK::R(H)+B(F),DCHECK,XP(f)
    • B(j);N_GUARD::QAR1(G)
    • S(b);N_GUARD,SBLOCK::S(C)
    • S(b);N_GUARD,S_CUTR(g)::R(H)+B(F),XS(h)
    • S(h);N_GUARD,SBLOCK::S(C)
    • S(h);N_GUARD,S_CUTR(g)::R(H)+B(F),XS(b)
    • P(f);OGATEB::QAB(G),XP(i)
  • Tries
    • Try
      • B(F);CHECK,XS(b)
      • Refutation
        • R(g);P_SPINR(g)
    • Try
      • B(F);CHECK,XS(h)
      • Refutation
        • R(g);P_SPINR(g)
  • Actual
    • Q(G);
    • Threat
      • QAB1(G),XP(f)
    • Vars
      • R(c);SBLOCK::R(H)+B(F),DCHECK,XP(f)
      • S(b);N_GUARD,S_CUTB(j)::S(C)
      • S(b);N_GUARD,S_CUTR(g)::R(H)+B(F),XS(h)
      • S(h);N_GUARD,S_CUTR(g)::R(H)+B(F),XS(b)
      • S(h);N_GUARD,S_CUTB(j)::S(C)
      • P(f);::QAB1(G)
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