MESON Chess Problem Database

Problem Display
PID: 181312 (2K5/3N2B1/8/4Pp2/1n1kBp2/2R4b/P2pnP2/6Q1 w - - 0 1)

Dobbs, Gilbert S

British Chess Magazine, 1911

2K5/3N2B1/8/4Pp2/1n1kBp2/2R4b/P2pnP2/6Q1

#2

9 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.f3+?
      • 1...Sxg1
        • 2.e6#
      • 1...Kxc3!
  • Keys
    • 1.Sb6!
      • threat
        • 2.Rc4#
      • 1...fxe4+
        • 2.e6#
      • 1...Kxc3
        • 2.Qa1#
      • 1...Kxe4
        • 2.f3#
      • 1...Sxc3
        • 2.f3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(C);CHECK
      • Vars
        • S(b);XQ(A)::B(H)+P(F)
      • Refutation
        • K(e);S_FLIGHT,XR(D)
  • Actual
    • S(G);
    • Threat
      • R1(D)
    • Vars
      • P(g);CHECK,SBLOCK,XB(E)::B(H)+P(F)
      • K(e);OGATEB,S_FLIGHT,XR(D)::QAB(A)
      • K(e);P-FLIGHT,XB(E)::P(C)
      • S(b);N_GUARD,SBLOCK,XR(D)::QAB(A)+P(C)
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