MESON Chess Problem Database

Problem Display
PID: 17295 (6N1/pK2P1r1/Rb1kB1p1/2p2P2/1N2pp1B/4p1q1/1QPP4/1r1R4 w - - 0 1)

Fink, Adolf Jay

3rd Prize, Allen TT, 1946

6N1/pK2P1r1/Rb1kB1p1/2p2P2/1N2pp1B/4p1q1/1QPP4/1r1R4

#2

12 + 11

14773 The Best American Chess Problems of 1946 1948

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe7+
      • 2.Bxe7#
    • 1...f3
      • 2.Bxg3#
    • 1...cxb4
      • 2.Qd4#
    • 1...c4
      • 2.Qd4#
  • Tries
    • 1.Bf6?
      • threat
        • 2.Be5#
        • 2.Qe5#
      • 1...Rxe7+
        • 2.Bxe7#
      • 1...Rxb2
        • 2.dxe3#
      • 1...Rxg8
        • 2.Qe5#
      • 1...cxb4
        • 2.Qd4#
        • 2.Qe5#
      • 1...gxf5
        • 2.Qe5#
      • 1...c4
        • 2.Qd4#
        • 2.Qe5#
      • 1...f3!
    • 1.Qxg7?
      • threat
        • 2.e8S#
      • 1...cxb4
        • 2.Qd4#
      • 1...c4
        • 2.Qd4#
      • 1...gxf5!
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qe5#
      • 1...Rxe7+
        • 2.Bxe7#
      • 1...Rxb2
        • 2.dxe3#
      • 1...Ba5
        • 2.Sxa5#
      • 1...Bc7
        • 2.e8S#
      • 1...Bd8
        • 2.Sxd8#
      • 1...f3
        • 2.Bxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • R(k);CHECK,OGATE,XP(K)::B(F),XR(k)
    • P(e);OGATEB::B(F),XQ(c)
    • P(f);N_GUARD,XS(E)::QAR2(B)
    • P(f);N_GUARD::QAR2(B)
  • Tries
    • Try
      • B(F);
      • Threat
        • DUALS(2)
      • Vars
        • R(k);CHECK,OGATE,XP(K)::B(F),XR(k)
        • R(a);N_GUARD,XQ(B)::R(A)+P(D),XP(b)
        • R(k);N_PINP(K),XS(L)::QAB1(B)
        • P(i);XP(G)::QAB1(B)
      • Refutation
        • P(e);
    • Try
      • Q(B);N_SPINP(K),XR(k)
      • Threat
        • P=S
      • Vars
        • P(f);N_GUARD,XS(E)::QAR2(B)
        • P(f);N_GUARD::QAR2(B)
      • Refutation
        • P(i);XP(G)
  • Actual
    • S(E);N_PINB(g)
    • Threat
      • QAB1(B)
    • Vars
      • R(k);CHECK,OGATE,XP(K)::B(F),XR(k)
      • R(a);N_GUARD,XQ(B)::R(A)+P(D),XP(b)
      • B(g);P_PINQ(B)::R(H)+S(E),XB(g)
      • B(g);N_PINP(K),P_PINQ(B)::P=S
      • P(e);OGATEB::B(F),XQ(c)
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