MESON Chess Problem Database

Problem Display
PID: 66842 (6B1/7Q/2n2r2/2KN1r2/4k1P1/2P1P1B1/4R2p/4N3 w - - 0 1)

Bonavia-Hunt, Rev Noel Aubrey

Chess, 1947

6B1/7Q/2n2r2/2KN1r2/4k1P1/2P1P1B1/4R2p/4N3

#2

10 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rd6
      • 2.Qxf5#
    • 1...Re6
      • 2.Qxf5#
    • 1...Rh6
      • 2.Qxf5#
    • 1...Sd4
      • 2.exd4#
    • 1...Se5
      • 2.Sxf6#
  • Keys
    • 1.Qb7!
      • threat
        • 2.Qb1#
      • 1...Rxd5+
        • 2.Bxd5#
      • 1...Rf4
        • 2.exf4#
      • 1...Sb4
        • 2.Qxb4#
      • 1...Sd4
        • 2.exd4#
      • 1...Se5
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 3
  • Sets
    • R(e);N_GUARD::QAB1(I),XR(c)
    • S(d);OGATE::R(B)+P(D),XS(d)
    • S(d);N_PINS(H)::S(H),XR(e)
  • Actual
    • Q(I);N_PINR(c)
    • Threat
      • QAB(I)
    • Vars
      • R(c);CHECK,OGATE,XS(H)::B(J),XR(c)
      • R(c);N_PINS(H),OGATE::R(B)+P(D),XR(c)
      • S(d);N_GUARD::QAR(I),XS(d)
      • S(d);OGATE::R(B)+P(D),XS(d)
      • S(d);N_PINS(H)::QAB(I)+S(H),DCHECK,XR(e)
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