MESON Chess Problem Database

Problem Display
PID: 165666 (6B1/bp5K/b2P2P1/5kp1/R1n1N3/4pp1p/2Q2PNB/8 w - - 0 1)

Fellows, Arthur G

British Chess Magazine, 1909

6B1/bp5K/b2P2P1/5kp1/R1n1N3/4pp1p/2Q2PNB/8

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Kg4
      • 2.Sf6#
    • 1...Sb2
      • 2.Qc8#
    • 1...Sd2
      • 2.Qc8#
    • 1...Sa3
      • 2.Qc8#
    • 1...Sa5
      • 2.Qc8#
    • 1...Sb6
      • 2.Sxe3#
    • 1...g4
      • 2.Sh4#
  • Tries
    • 1.Sxe3+?
      • 1...Sxe3
        • 2.Qc8#
      • 1...Bxe3!
    • 1.Sc3+?
      • 1...Kf6
        • 2.Sd5#
      • 1...Kg4!
    • 1.Sg3+?
      • 1...Kg4
        • 2.Be6#
        • 2.Qe4#
        • 2.Qf5#
      • 1...Kf6
        • 2.Sh5#
        • 2.Qf5#
      • 1...Ke5!
    • 1.Sc5+?
      • 1...Kf6
        • 2.Sd7#
      • 1...Kg4!
  • Keys
    • 1.Kg7!
      • threat
        • 2.Sf6#
      • 1...Kg4
        • 2.Sf6#
      • 1...Sxd6
        • 2.Sxd6#
      • 1...Sb2
        • 2.Qc8#
      • 1...Sd2
        • 2.Qc8#
      • 1...Sa3
        • 2.Qc8#
      • 1...Sa5
        • 2.Qc8#
      • 1...Se5
        • 2.Sg3#
      • 1...Sb6
        • 2.Sxe3#
      • 1...g4
        • 2.Sh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(e);S_FLIGHT::S(F)
    • S(d);OGATE::QAB(A)
    • S(d);N_GUARD,S_CUTB(h)::S(C),XP(a)
    • P(f);N_GUARD,SBLOCK::S(C)
  • Tries
    • Try
      • S(C);CHECK,XP(a)
      • Vars
        • S(d);OGATE,XS(C)::QAB(A)
      • Refutation
        • B(h);XS(C)
    • Try
      • S(F);CHECK
      • Vars
        • K(e);P-FLIGHT::S(F)
      • Refutation
        • K(e);P_SPINS(d),S_FLIGHT
    • Try
      • S(F);CHECK
      • Refutation
        • K(e);P-FLIGHT
    • Try
      • S(F);CHECK
      • Vars
        • K(e);P-FLIGHT::S(F)
      • Refutation
        • K(e);P_SPINS(d),S_FLIGHT
  • Actual
    • K(I);P-FLIGHT
    • Threat
      • QAB(A)+S(F)
    • Vars
      • K(e);S_FLIGHT::S(F)
      • S(d);XP(G)::QAB(A)+S(F),DCHECK,XS(d)
      • S(d);OGATE::QAB(A)
      • S(d);SBLOCK::QAB(A)+S(F),DCHECK
      • S(d);N_GUARD,S_CUTB(h)::S(C),XP(a)
      • P(f);N_GUARD,SBLOCK::S(C)
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