MESON Chess Problem Database

Problem Display
PID: 169417 (8/3R4/8/4p3/QN3BK1/3N3B/Rp1pkp2/4b3 w - - 0 1)

Hawes, Frederick Thomas

Australasian Chess Review, 1930

8/3R4/8/4p3/QN3BK1/3N3B/Rp1pkp2/4b3

#2

8 + 6

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...b1S
      • 2.Sc1#
    • 1...b1B
      • 2.Sc1#
    • 1...d1S
      • 2.Sc1#
    • 1...d1B
      • 2.Sc1#
    • 1...exf4
      • 2.Re7#
  • Tries
    • 1.Re7?
      • threat
        • 2.Rxe5#
      • 1...d1S
        • 2.Sc1#
      • 1...e4
        • 2.Rxe4#
      • 1...f1S!
  • Keys
    • 1.Sd5!
      • threat
        • 2.Sc3#
      • 1...Kxd3
        • 2.Bf1#
      • 1...exf4
        • 2.S3xf4#
      • 1...b1S
        • 2.Sc1#
      • 1...d1Q
        • 2.Qe4#
      • 1...d1S
        • 2.Sc1#
      • 1...d1B
        • 2.Sc1#
        • 2.Qe4#
      • 1...d1R
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • P(b);N_GUARD,P_SPINP(c)::S(B)
    • P(c);N_GUARD,P_SPINP(b)::S(B)
    • P(f);OGATEB,XB(F)::R(H)
  • Tries
    • Try
      • R(H);P_PINP(f)
      • Threat
        • R(H),XP(f)
      • Vars
        • P(c);N_GUARD,N_SPINP(f),P_SPINP(b)::S(B)
        • P(f);OGATE::R(H),XP(f)
      • Refutation
        • P(e);
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(d);S_FLIGHT,XS(B)::B(C)
      • P(f);XB(F)::S(B),XP(f)
      • P(b);N_GUARD,P_SPINP(c)::S(B)
      • P(c);P_SPINP(b),SBLOCK::QAR2(D)
      • P(c);N_GUARD,P_SPINP(b)::S(B)
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