MESON Chess Problem Database

Problem Display
PID: 259688 (2n3N1/6n1/bp3pp1/Rp3kb1/3PpppP/2R5/B2B2PQ/2K2N2 w - - 0 1)

de Barbieri, Vittorio

Nuova Rivista degli Scacchi, 1899

2n3N1/6n1/bp3pp1/Rp3kb1/3PpppP/2R5/B2B2PQ/2K2N2

#2

11 + 12

15601 Albrecht-Leiss-Degener Collection 2022

SOLUTION

  • SOUND
  • Sets
    • 1...Bxh4
      • 2.Qxf4#
    • 1...Bh6
      • 2.Sxh6#
    • 1...Sd6
      • 2.Se7#
    • 1...Sa7
      • 2.Se7#
    • 1...Se7
      • 2.Sxe7#
    • 1...f3
      • 2.Sg3#
    • 1...g3
      • 2.Qh3#
    • 1...bxa5
      • 2.Rc5#
  • Tries
    • 1.Rf3?
      • threat
        • 2.Se3#
        • 2.Sg3#
      • 1...Bxh4
        • 2.Qxf4#
      • 1...gxf3
        • 2.Qh3#
      • 1...e3
        • 2.Sg3#
      • 1...g3
        • 2.Se3#
        • 2.Qh3#
      • 1...Sh5
        • 2.Se3#
      • 1...exf3!
    • 1.Rxc8?
      • threat
        • 2.Se7#
      • 1...Bxh4
        • 2.Qxf4#
      • 1...g3
        • 2.Qh3#
      • 1...e3!
  • Keys
    • 1.Rc6!
      • 1...Bxh4
        • 2.Qxf4#
      • 1...bxa5
        • 2.Rc5#
      • 1...e3
        • 2.Bb1#
      • 1...g3
        • 2.Qh3#
      • 1...Bb7
        • 2.Rxb5#
      • 1...Bh6
        • 2.Sxh6#
        • 2.Rxf6#
      • 1...Sh5
        • 2.Be6#
      • 1...Se6
        • 2.Bxe6#
      • 1...Se8
        • 2.Be6#
      • 1...Sd6
        • 2.Se7#
      • 1...Sa7
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...f3
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 1
  • Sets
    • B(f);N_GUARD,XP(I)::QAR1(F),XP(b)
    • B(f);N_GUARD::S(K),XB(f)
    • S(l);N_GUARD::S(K)
    • S(l);N_GUARD::S(K),XS(l)
    • P(b);N_GUARD,P_PINB(D)::S(B)
    • P(c);OGATEB::QAB(F)
    • P(h);N_GUARD,N_SPINP(d),XR(J)::R(G)
  • Tries
    • Try
      • R(G);N_PINP(d),P_PINP(b)
      • Threat
        • DUALS(2)
      • Vars
        • B(f);N_GUARD,XP(I)::QAR1(F),XP(b)
        • P(c);N_SPINP(b),OGATEB,P_SPINP(d),XR(G)::QAB(F)
        • P(a);::S(B)
        • S(k);::S(B)
      • Refutation
        • P(a);N_SPINP(b),P_SPINP(d),XR(G)
    • Try
      • R(G);XS(l)
      • Threat
        • S(K)
      • Vars
        • B(f);N_GUARD,XP(I)::QAR1(F),XP(b)
        • P(c);OGATEB::QAB(F)
      • Refutation
        • P(a);
  • Actual
    • R(G);
    • Vars
      • B(f);N_GUARD,XP(I)::QAR1(F),XP(b)
      • P(h);N_GUARD,N_SPINP(d),XR(J)::R(G)
      • P(a);OGATEB::B(C)
      • P(c);OGATEB::QAB(F)
      • B(g);N_GUARD::R(J),XP(d)
      • S(k);N_GUARD::B(C)
      • S(k);N_GUARD::B(C),XS(k)
      • S(l);N_GUARD::S(K)
      • S(l);N_GUARD::S(K),XS(l)
      • P(b);N_GUARD,P_PINB(D)::S(B)
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