MESON Chess Problem Database

Problem Display
PID: 271532 (Nbr5/1n2RN2/2k3bR/5p2/1PPp2r1/3B2p1/8/1K6 w - - 0 1)

Davis, NA St J

The Problemist, 1956

Nbr5/1n2RN2/2k3bR/5p2/1PPp2r1/3B2p1/8/1K6

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Sc5
      • 2.b5#
    • 1...Sd6
      • 2.Se5#
    • 1...f4
      • 2.Be4#
  • Tries
    • 1.Rxg6+?
      • 1...Bd6
        • 2.Se5#
      • 1...Sd6
        • 2.Se5#
      • 1...Rxg6!
  • Keys
    • 1.Bc2!
      • threat
        • 2.Ba4#
      • 1...Sc5
        • 2.b5#
      • 1...Sd6
        • 2.Se5#
      • 1...f4
        • 2.Be4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
    • S(g);SBLOCK::P(C)
    • S(g);N_SPINB(f),SBLOCK,S_CUTB(h)::S(G)
    • P(d);N_GUARD,P_PINB(B),S_CUTR(c)::B(B)
  • Tries
    • Try
      • R(E);CHECK,XB(f)
      • Vars
        • B(h);P_SPINB(h)::S(G)
        • S(g);P_SPINS(g)::S(G)
      • Refutation
        • R(c);XR(E)
  • Actual
    • B(B);
    • Threat
      • B(B)
    • Vars
      • S(g);SBLOCK::P(C)
      • S(g);N_SPINB(f),SBLOCK,S_CUTB(h)::S(G)
      • P(d);N_GUARD,P_PINB(B),S_CUTR(c)::B(B)
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Developed and maintained by Brian Stephenson.
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