MESON Chess Problem Database

Problem Display
PID: 152310 (4RK2/2rP3b/8/1QpPB3/r1p1k1BR/q1p4P/N1PP1PP1/8 w - - 0 1)

Fink, Adolf Jay

Good Companions (October), 1915

4RK2/2rP3b/8/1QpPB3/r1p1k1BR/q1p4P/N1PP1PP1/8

#2

14 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Qc1
      • 2.Sxc3#
    • 1...Ra5
      • 2.Qxc4#
    • 1...Ra6
      • 2.Qxc4#
    • 1...Raa7
      • 2.Qxc4#
    • 1...Ra8
      • 2.Qxc4#
    • 1...Bf5
      • 2.Bf3#
  • Tries
    • 1.Bd1+?
      • 1...Kxd5
        • 2.Rd4#
      • 1...Kf5!
    • 1.Be2+?
      • 1...Kxd5
        • 2.Rd4#
      • 1...Kf5!
    • 1.Bf5+?
      • 1...Kxd5
        • 2.Rd4#
      • 1...Kxf5!
    • 1.Bh5+?
      • 1...Kxd5
        • 2.Bf7#
        • 2.Rd4#
      • 1...Kf5!
    • 1.Bh2+?
      • 1...Kxd5
        • 2.Be6#
      • 1...Kd4!
    • 1.Bg3+?
      • 1...Kxd5
        • 2.Be6#
      • 1...Kd4!
    • 1.Bf6+?
      • 1...Kf4
        • 2.Be6#
        • 2.g3#
      • 1...Kxd5!
    • 1.Bxc7+?
      • 1...Kxd5
        • 2.Be6#
        • 2.d8Q#
        • 2.d8R#
      • 1...Kd4!
    • 1.Bg7+?
      • 1...Kf4
        • 2.Bh6#
      • 1...Kxd5!
    • 1.d3+?
      • 1...cxd3
        • 2.Qxd3#
      • 1...Kxd5!
  • Keys
    • 1.d4!
      • threat
        • 2.Be6#
      • 1...cxd4+
        • 2.Bd6#
      • 1...Kxd5
        • 2.Be6#
      • 1...cxd4 ep
        • 2.Qxd3#
      • 1...Qc1
        • 2.Sxc3#
      • 1...Bf5
        • 2.Bf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • Q(a);N_GUARD::S(A),XP(b)
    • R(c);N_GUARD::QAR2(I),XP(d)
    • R(c);N_GUARD,P_PINR(M)::QAR2(I),XP(d)
    • B(h);SBLOCK::R(H)+B(G),DCHECK
  • Tries
    • Try
      • B(G);CHECK
      • Vars
        • K(e);OGATE,P_SPINP(f),S_FLIGHT,XP(J)::R1(H)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • B(G);CHECK
      • Vars
        • K(e);OGATE,P_SPINP(f),S_FLIGHT,XP(J)::R1(H)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • B(G);CHECK
      • Vars
        • K(e);OGATE,P_SPINP(f),S_FLIGHT,XP(J)::R1(H)
      • Refutation
        • K(e);S_FLIGHT,XB(G)
    • Try
      • B(G);CHECK
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • B(K);CHECK
      • Vars
        • K(e);P_SPINP(f),S_FLIGHT,XP(J)::B(G)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • B(K);CHECK
      • Vars
        • K(e);P_SPINP(f),S_FLIGHT,XP(J)::B(G)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • B(K);CHECK
      • Refutation
        • K(e);P_SPINP(f),S_FLIGHT,XP(J)
    • Try
      • B(K);CHECK,XR(g)
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • B(K);CHECK
      • Vars
        • K(e);P-FLIGHT::B(K)
      • Refutation
        • K(e);P_SPINP(f),S_FLIGHT,XP(J)
    • Try
      • P(C);CHECK
      • Vars
        • P(d);OGATE,XP(C)::QAB1(I),XP(d)
      • Refutation
        • K(e);P_SPINP(f),S_FLIGHT,XP(J)
  • Actual
    • P(C);
    • Threat
      • R(H)+B(G)
    • Vars
      • P(f);CHECK,SBLOCK,XP(C)::R(M)+B(K)
      • K(e);P_SPINP(f),S_FLIGHT,XP(J)::B(G)
      • P(d);EP,OGATE,XP(C)::QAB1(I),XP(d)
      • Q(a);N_GUARD::S(A),XP(b)
      • B(h);SBLOCK::R(H)+B(G),DCHECK
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