MESON Chess Problem Database

Problem Display
PID: 9398 (2Bb3N/2pR4/8/2p2k2/8/5N2/nB1P1R1P/Kb1Q4 w - - 0 1)

Heathcote, Godfrey

1st Prize, Kingstown Society, 1902

2Bb3N/2pR4/8/2p2k2/8/5N2/nB1P1R1P/Kb1Q4

#2

10 + 6

15 British Chess Magazine 1902
14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Be4
      • 2.Rf7#
    • 1...Bf6
      • 2.Rd4#
  • Tries
    • 1.Rd5+?
      • 1...Kf4
        • 2.Sg5#
      • 1...Ke4!
    • 1.Rg7+?
      • 1...Kf4
        • 2.Sg5#
        • 2.Rg4#
      • 1...Ke4!
    • 1.Rxd8+?
      • 1...Ke4
        • 2.Sg5#
      • 1...Kf4!
  • Keys
    • 1.Bf6!
      • threat
        • 2.Sg5#
      • 1...Bxf6+
        • 2.Rd4#
      • 1...Ke4
        • 2.Sg5#
      • 1...Kf4
        • 2.Sg5#
      • 1...Kg4
        • 2.Sg1#
      • 1...Ke6
        • 2.Sg5#
      • 1...Kxf6
        • 2.Rf7#
      • 1...Be4
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • B(a);SBLOCK::B(I)+R(H),DCHECK
    • B(f);P_PINB(C),SBLOCK::B(I)+R(H)
  • Tries
    • Try
      • R(H);CHECK
      • Vars
        • K(d);P-FLIGHT::R(E)+S(G)
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(H);CHECK
      • Refutation
        • K(d);S_FLIGHT
    • Try
      • R(H);CHECK,XB(f)
      • Vars
        • K(d);S_FLIGHT::S(G)
      • Refutation
        • K(d);P-FLIGHT
  • Actual
    • B(C);
    • Threat
      • R(E)+S(G)
    • Vars
      • B(f);CHECK,SBLOCK,XB(C)::B(I)+R(H)
      • K(d);S_FLIGHT::S(G)
      • K(d);P-FLIGHT::R(E)+S(G)
      • K(d);S_FLIGHT::QAB(B)+S(G)
      • K(d);P-FLIGHT,XB(C)::R1(H)
      • B(a);SBLOCK::R(E)+S(G),DCHECK
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