MESON Chess Problem Database

Problem Display
PID: 68239 (1Nk2r1R/Pp6/1b5P/qpr4p/1P3QNB/4R2B/p1p2K1P/8 w - - 0 1)

Gamage, Frederick

Arbejder Magasinet, 1940

1Nk2r1R/Pp6/1b5P/qpr4p/1P3QNB/4R2B/p1p2K1P/8

#2

12 + 10

5397 Frederick Gamage (Prcic) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Rc7
      • 2.Rxf8#
      • 2.Qxf8#
    • 1...Bc7
      • 2.Se5#
  • Tries
    • 1.Sf6+?
      • 1...Kd8
        • 2.Sd5#
        • 2.Rxf8#
        • 2.Qd6#
      • 1...Rf5!
    • 1.Qxf8+?
      • 1...Kc7
        • 2.Rh7#
        • 2.Qe7#
        • 2.Qd8#
      • 1...Bd8!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Se3#
      • 1...hxg4
        • 2.Bxg4#
      • 1...Bc7
        • 2.Se5#
      • 1...Bd8
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(g);SBLOCK::B(D)+S(G)
  • Tries
    • Try
      • S(G);CHECK,N_SPINQ(F)
      • Refutation
        • R(e);N_SPINR(j),P_PINQ(F),P_PINR(C),P_SPINR(e)
    • Try
      • Q(F);CHECK,N_SPINQ(F),XR(j)
      • Refutation
        • B(g);P_SPINB(g)
  • Actual
    • R(C);N_PINR(j),P_PINR(e)
    • Threat
      • B(D)+S(G)
    • Vars
      • P(f);OGATE,P_SPINP(f),XS(G)::B(D),XP(f)
      • B(g);N_SPINR(e),P_SPINR(j),SBLOCK::B(D)+S(G)
      • B(g);SBLOCK::B(D)+S(G)
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