MESON Chess Problem Database

Problem Display
PID: 101504 (3R1BK1/b3N3/1p6/2kNpR2/Pp4p1/3P3p/2B4q/2Qnrr1b w - - 0 1)

Fink, Adolf Jay

Good Companions (April), 1917

3R1BK1/b3N3/1p6/2kNpR2/Pp4p1/3P3p/2B4q/2Qnrr1b

#2

10 + 12

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Sc6#
    • 1...Bxd5+
      • 2.Rxd5#
    • 1...e4
      • 2.Sf4#
  • Tries
    • 1.Sc7?
      • threat
        • 2.Sa6#
        • 2.Se6#
      • 1...Bd5+
        • 2.Rxd5#
      • 1...b3
        • 2.Sa6#
        • 2.Qa3#
      • 1...Bb7
        • 2.Se6#
      • 1...b5!
    • 1.Bxd1+?
      • 1...Kd4
        • 2.Qc4#
      • 1...Qc2!
    • 1.Rc8+?
      • 1...Kd4
        • 2.Rc4#
      • 1...Kd6!
  • Keys
    • 1.Qh6!
      • threat
        • 2.Sc6#
      • 1...Bxd5+
        • 2.Rxd5#
      • 1...Kd4
        • 2.Sc6#
      • 1...Rxf5
        • 2.Sxf5#
      • 1...Bb8
        • 2.Qxb6#
      • 1...e4
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(i);S_FLIGHT::S(G)
    • B(d);CHECK,OGATE,XS(E)::R1(H),XB(d)
    • P(j);::R(F)+S(E)
  • Tries
    • Try
      • S(E);P_PINP(j)
      • Threat
        • DUALS(2)
      • Vars
        • B(d);CHECK,N_GUARD,N_SPINP(j)::R1(H),XB(d)
        • B(d);::S(E)
      • Refutation
        • P(k);
    • Try
      • B(B);CHECK,XS(a)
      • Vars
        • K(i);S_FLIGHT::QAR1(A)
      • Refutation
        • Q(e);P_SPINQ(e)
    • Try
      • R(H);CHECK
      • Vars
        • K(i);OGATE,S_FLIGHT::R1(H)
      • Refutation
        • K(i);S_FLIGHT
  • Actual
    • Q(A);
    • Threat
      • B(I)+S(G)
    • Vars
      • B(d);CHECK,OGATE,XS(E)::R1(H),XB(d)
      • K(i);S_FLIGHT::S(G)
      • R(c);XR(F)::B(I)+S(G),XR(c)
      • B(l);N_GUARD::QAB1(A),XP(k)
      • P(j);::R(F)+S(E)
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