MESON Chess Problem Database

Problem Display
PID: 143936 (8/1bp5/2P2Q2/4N2R/1ppkP1K1/1p6/4p3/bB6 w - - 0 1)

Fellows, Arthur G

Source?, 0000

8/1bp5/2P2Q2/4N2R/1ppkP1K1/1p6/4p3/bB6

#2

7 + 8

15 British Chess Magazine 1910
14868 Pirnie Collection 2012

SOLUTION

  • SOUND
  • Sets
    • 1...Kc3
      • 2.Sf3#
    • 1...Ke3
      • 2.Sxc4#
    • 1...Kc5
      • 2.Sd7#
    • 1...Bc3
      • 2.Qf2#
    • 1...c3
      • 2.Qf2#
  • Tries
    • 1.Kf4?
      • threat
        • 2.Sd3#
        • 2.Sf3#
        • 2.Sg4#
        • 2.Sg6#
        • 2.Sd7#
        • 2.Sf7#
      • 1...Kc3
        • 2.Sf3#
      • 1...Kc5
        • 2.Sd7#
      • 1...c3!
    • 1.Sd3+?
      • 1...Kxe4
        • 2.Qf4#
      • 1...Ke3!
  • Keys
    • 1.Kh3!
      • threat
        • 2.Sg4#
      • 1...Kc3
        • 2.Sf3#
      • 1...Ke3
        • 2.Sxc4#
      • 1...Kc5
        • 2.Sd7#
      • 1...c3
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(f);S_FLIGHT::QAB(G)+S(D)
    • K(f);S_FLIGHT::S(D),XP(e)
    • K(f);S_FLIGHT::R(E)+S(D),DCHECK
    • B(a);SBLOCK::QAB(G)
    • P(e);SBLOCK::QAB(G)
  • Tries
    • Try
      • K(C);P-FLIGHT
      • Threat
        • DUALS(6)
      • Vars
        • K(f);S_FLIGHT::QAB(G)+S(D)
        • K(f);S_FLIGHT::R(E)+S(D),DCHECK
      • Refutation
        • P(e);
    • Try
      • S(D);CHECK
      • Vars
        • K(f);OGATEB,P-FLIGHT,XP(B)::QAR1(G)
      • Refutation
        • K(f);S_FLIGHT
  • Actual
    • K(C);S_FLIGHT
    • Threat
      • QAB(G)+S(D)
    • Vars
      • K(f);S_FLIGHT::QAB(G)+S(D)
      • K(f);S_FLIGHT::S(D),XP(e)
      • K(f);S_FLIGHT::R(E)+S(D),DCHECK
      • P(e);SBLOCK::QAB(G)
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