MESON Chess Problem Database

Problem Display
PID: 17345 (b3R3/p2P2b1/Qq3k2/7P/4p1K1/1B4N1/PRP5/BN1r4 w - - 0 1)

Fink, Adolf Jay

Neuhaus, Carl Eugene

Comm., Christian Science Monitor, 1946

b3R3/p2P2b1/Qq3k2/7P/4p1K1/1B4N1/PRP5/BN1r4

#2

12 + 7

14773 The Best American Chess Problems of 1946 1948

SOLUTION

  • SOUND
  • Sets
    • 1...Qc6
      • 2.Sxe4#
    • 1...Qd6
      • 2.d8Q#
      • 2.d8B#
    • 1...Qe6+
      • 2.Qxe6#
    • 1...Rxb1
      • 2.Rxb1#
      • 2.d8Q#
      • 2.d8B#
    • 1...Rc1
      • 2.d8Q#
      • 2.d8B#
    • 1...Re1
      • 2.d8Q#
      • 2.d8B#
    • 1...Rf1
      • 2.d8Q#
      • 2.d8B#
    • 1...Rg1
      • 2.d8Q#
      • 2.d8B#
    • 1...Rh1
      • 2.d8Q#
      • 2.d8B#
    • 1...Rd4
      • 2.Qf1#
  • Tries
    • 1.Re6+?
      • 1...Qxe6+
        • 2.Qxe6#
      • 1...Kf7!
    • 1.Qf1+?
      • 1...Qf2
        • 2.Qxf2#
      • 1...Rxf1!
    • 1.Qxb6+?
      • 1...Rd6
        • 2.Qf2#
        • 2.Qd8#
        • 2.Qxd6#
        • 2.d8Q#
        • 2.d8B#
      • 1...Bc6
        • 2.Sxe4#
        • 2.Qf2#
        • 2.Qd8#
      • 1...axb6!
  • Keys
    • 1.Bg8!
      • threat
        • 2.Rxb6#
      • 1...Qe6+
        • 2.Rxe6#
        • 2.Qxe6#
      • 1...Qxa6
        • 2.Rb6#
      • 1...Qc6
        • 2.Sxe4#
      • 1...Qd6
        • 2.d8Q#
        • 2.d8B#
      • 1...Rd4
        • 2.Qf1#
      • 1...Bc6
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • Q(c);S_CUTB(g)::S(G),XP(b)
    • Q(c);S_CUTR(a)::P=Q
    • Q(c);CHECK,OGATE::QAR1(J),XQ(c)
    • R(a);N_GUARD::P=Q
    • R(a);N_GUARD,P_PINS(G)::P=Q
    • R(a);N_GUARD::QAR(J)
  • Tries
    • Try
      • R(L);CHECK,N_PINQ(c)
      • Vars
        • Q(c);CHECK,OGATE,P_SPINQ(c),XR(L)::QAR1(J),XQ(c)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(J);CHECK,N_PINQ(c)
      • Vars
        • Q(c);N_GUARD,P_SPINQ(c)::QAR(J),XQ(c)
      • Refutation
        • R(a);XQ(J)
    • Try
      • Q(J);CHECK,XQ(c)
      • Refutation
        • P(e);XQ(J)
  • Actual
    • B(F);
    • Threat
      • B(A)+R(D),DCHECK,XQ(c)
    • Vars
      • Q(c);N_SPINQ(c),XQ(J)::B(A)+R(D),DCHECK
      • Q(c);S_CUTB(g)::S(G),XP(b)
      • Q(c);S_CUTR(a)::P=Q
      • R(a);N_GUARD::QAR(J)
      • B(g);N_SPINQ(c),S_CUTQ(c)::R1(L)
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