MESON Chess Problem Database

Problem Display
PID: 64287 (6Q1/3pN3/r7/p2R3r/K1kn1b1R/2Nn3b/1Bp1Bq2/8 w - - 0 1)

Fink, Adolf Jay

2nd HM.=, Good Companions (January), 1917

6Q1/3pN3/r7/p2R3r/K1kn1b1R/2Nn3b/1Bp1Bq2/8

#2

8 + 11

3132 The Good Companion Two-Mover 1922
3391 Het Half Pin Thema 1924

SOLUTION

  • SOUND
  • Sets
    • 1...Rxd5
      • 2.Qxd5#
    • 1...Bd6
      • 2.Rf5#
    • 1...Sb3
      • 2.Bxd3#
    • 1...Sf3
      • 2.Bxd3#
    • 1...Sb5
      • 2.Bxd3#
    • 1...Sf5
      • 2.Bxd3#
    • 1...Sc6
      • 2.Bxd3#
    • 1...Se6
      • 2.Bxd3#
  • Tries
    • 1.Qc8+?
      • 1...Bc7
        • 2.Qxa6#
      • 1...Sc6
        • 2.Bxd3#
        • 2.Qxa6#
      • 1...Rc6!
  • Keys
    • 1.Sb5!
      • threat
        • 2.Sa3#
      • 1...Rxd5
        • 2.Qxd5#
      • 1...Sxb5
        • 2.Bxd3#
      • 1...Bd6
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • R(i);OGATE,P_SPINR(i),XR(F)::QAB1(H),XR(i)
    • B(g);S_CUTP(k),S_CUTR(j),S_CUTS(f)::QAB(H)+R(F)
    • S(f);P_SPINB(g)::B(B),XS(c)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • B(g);P_SPINB(g),S_CUTS(f)::QAB(H),XR(j)
      • Refutation
        • R(j);P_SPINR(j)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • R(i);OGATE,P_SPINR(i),XR(F)::QAB1(H),XR(i)
      • S(f);P_SPINB(g),XS(C)::B(B),XS(c)
      • B(g);S_CUTP(k),S_CUTR(j),S_CUTS(f)::QAB(H)+R(F)
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