MESON Chess Problem Database

Problem Display
PID: 52223 (1bB1Q1N1/1b1p1p2/6pB/R1n1nk2/8/1q1p1pRP/3N3K/8 w - - 0 1)

Fink, Adolf Jay

2nd HM., 8. American Chess Congress, 1921

1bB1Q1N1/1b1p1p2/6pB/R1n1nk2/8/1q1p1pRP/3N3K/8

#2

9 + 11

3132 The Good Companion Two-Mover 1922
3391 Het Half Pin Thema 1924
5064 100 Years of the American Two-move Chess Problem 1962
788 US Problem Bulletin 1963

SOLUTION

  • SOUND
  • Sets
    • 1...Se4
      • 2.Rxf3#
    • 1...Se6
      • 2.Qxf7#
    • 1...Sc4
      • 2.Bxd7#
    • 1...Sg4+
      • 2.hxg4#
    • 1...Sc6
      • 2.Qe4#
  • Tries
    • 1.Qe7?
      • threat
        • 2.Qf6#
      • 1...Sg4+
        • 2.hxg4#
      • 1...Qe6
        • 2.Qg5#
      • 1...Se4
        • 2.Rxf3#
      • 1...f6
        • 2.Qxf6#
      • 1...Qb6!
  • Keys
    • 1.Be3!
      • threat
        • 2.Rg5#
      • 1...Sg4+
        • 2.hxg4#
      • 1...g5
        • 2.Rxg5#
      • 1...Se4
        • 2.Rxf3#
      • 1...Se6
        • 2.Qxf7#
      • 1...Sc4
        • 2.Bxd7#
      • 1...Sc6
        • 2.Qe4#
      • 1...f6
        • 2.Sh6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(d);P_SPINS(e),S_CUTB(h)::R(C),XP(c)
    • S(d);N_SPINP(i),P_SPINS(e),S_CUTQ(a)::QAR2(H),XP(j)
    • S(e);N_GUARD,P_PINR(C),P_SPINS(d),S_CUTQ(a)::B(G),XP(i)
    • S(e);CHECK,OGATE,P_PINR(C),P_SPINS(d)::P(D),XS(e)
    • S(e);OGATE,P_PINR(C),P_SPINS(d)::QAB1(H)
  • Tries
    • Try
      • Q(H);
      • Threat
        • QAR1(H)
      • Vars
        • S(e);CHECK,OGATE,P_PINR(C),P_SPINS(d)::P(D),XS(e)
        • Q(a);N_SPINP(i),SBLOCK::QAR1(H)
        • S(d);P_SPINS(e),S_CUTB(h)::R(C),XP(c)
        • P(j);::QAR1(H),XP(j)
      • Refutation
        • Q(a);
  • Actual
    • B(F);
    • Threat
      • R1(C)
    • Vars
      • S(e);CHECK,OGATE,P_PINR(C),P_SPINS(d)::P(D),XS(e)
      • P(g);::R1(C),XP(g)
      • S(d);P_SPINS(e),S_CUTB(h)::R(C),XP(c)
      • S(d);N_SPINP(i),P_SPINS(e),S_CUTQ(a)::QAR2(H),XP(j)
      • S(e);N_GUARD,P_PINR(C),P_SPINS(d),S_CUTQ(a)::B(G),XP(i)
      • S(e);OGATE,P_PINR(C),P_SPINS(d)::QAB1(H)
      • P(j);SBLOCK::S(I)
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