MESON Chess Problem Database

Problem Display
PID: 158156 (KB6/1Q6/R2N4/3Pk3/p7/1b6/B1N4P/8 w - - 0 1)

Dobbs, Gilbert S

British Chess Magazine 13. Ty., 1906-1907

KB6/1Q6/R2N4/3Pk3/p7/1b6/B1N4P/8

#2

9 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Qg7+?
      • 1...Kf4
        • 2.Qg3#
      • 1...Kxd5!
  • Keys
    • 1.Qh7!
      • threat
        • 2.Qf5#
      • 1...Bxd5+
        • 2.Sb7#
      • 1...Kf4
        • 2.Qf5#
      • 1...Kxd5
        • 2.Qf5#
      • 1...Kf6
        • 2.Se4#
      • 1...Bxc2
        • 2.Sb5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(G);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(G)
      • Refutation
        • K(c);P-FLIGHT,P_SPINB(a),XP(D)
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • B(a);CHECK,XP(D)::B(I)+S(F)
      • K(c);S_FLIGHT::QAR1(G)
      • K(c);P-FLIGHT,P_SPINB(a),XP(D)::QAR2(G)
      • K(c);S_FLIGHT::R(E)+S(F),DCHECK
      • B(a);XS(B)::B(I)+S(F)
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