MESON Chess Problem Database

Problem Display
PID: 148077 (b5q1/b1N5/8/4P1N1/3kp1nR/3P2Q1/4P3/2R3K1 w - - 0 1)

Nietvelt, Gustaaf Josephus

Bristol Times, 1930

(First published on Sat Jun 28 1930)

b5q1/b1N5/8/4P1N1/3kp1nR/3P2Q1/4P3/2R3K1

#2

9 + 6

35 L'Italia Scacchistica 1930

SOLUTION

  • SOUND
  • Sets
    • 1...Qc4
      • 2.Rxc4#
    • 1...Qe6
      • 2.Sgxe6#
    • 1...Qh7
      • 2.Sge6#
      • 2.Rc4#
    • 1...Qxg5
      • 2.Rc4#
    • 1...Qg6
      • 2.Rc4#
    • 1...Qg7
      • 2.Sge6#
      • 2.Rc4#
    • 1...Qb8
      • 2.Sge6#
      • 2.Rc4#
    • 1...Qc8
      • 2.Rc4#
    • 1...Qd8
      • 2.Sge6#
      • 2.Rc4#
    • 1...Qe8
      • 2.Rc4#
    • 1...Qf8
      • 2.Sge6#
      • 2.Rc4#
    • 1...Qh8
      • 2.Sge6#
      • 2.Rc4#
    • 1...Bd5
      • 2.Sb5#
    • 1...Se3
      • 2.Sf3#
    • 1...Sxe5
      • 2.Qf2#
    • 1...exd3
      • 2.e3#
  • Keys
    • 1.e6!
      • threat
        • 2.Rc4#
      • 1...Qxe6
        • 2.Sgxe6#
      • 1...exd3
        • 2.e3#
      • 1...Bd5
        • 2.Sb5#
      • 1...Se3
        • 2.Sf3#
      • 1...Se5
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • Q(f);N_GUARD::R1(A),XQ(f)
    • Q(f);N_GUARD::S(H),XQ(f)
    • Q(f);N_GUARD,XS(H)::R1(A)
    • Q(f);N_GUARD::R1(A)
    • B(e);SBLOCK::S(I)
    • S(c);P_SPINP(b),SBLOCK::S(H)
    • S(c);N_GUARD,P_SPINP(b),SBLOCK,XP(G)::QAB(E)
    • P(b);P_SPINS(c),SBLOCK,XP(D)::P(C)
  • Actual
    • P(G);
    • Threat
      • R1(A)
    • Vars
      • Q(f);XP(G)::S(H),XQ(f)
      • P(b);P_SPINS(c),SBLOCK,XP(D)::P(C)
      • B(e);SBLOCK::S(I)
      • S(c);P_SPINP(b),SBLOCK::S(H)
      • S(c);N_GUARD,P_SPINP(b),SBLOCK::QAB(E)
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