MESON Chess Problem Database

Problem Display
PID: 141876 (2b3rb/Kp6/p7/4R1P1/1P3k2/qNQn1B2/5B1P/8 w - - 0 1)

Dobbs, Gilbert S

The Problem, 1914

(First published on Sat Apr 25 1914)

2b3rb/Kp6/p7/4R1P1/1P3k2/qNQn1B2/5B1P/8

#2

9 + 8

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Sc1
      • 2.Bg3#
      • 2.Qe3#
    • 1...Se1
      • 2.Bg3#
      • 2.Qe3#
    • 1...Sb2
      • 2.Bg3#
      • 2.Qe3#
    • 1...Sxf2
      • 2.Qe3#
    • 1...Sxb4
      • 2.Bg3#
      • 2.Qe3#
    • 1...Sc5
      • 2.Bg3#
      • 2.Qe3#
  • Keys
    • 1.Sd4!
      • threat
        • 2.Bg3#
      • 1...Kxe5
        • 2.Qc7#
      • 1...Rxg5
        • 2.Re4#
      • 1...Bxe5
        • 2.Qd2#
      • 1...Sxf2
        • 2.Se2#
      • 1...Sxe5
        • 2.Be3#
      • 1...Bf5
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(b);OGATE,XB(A)::QAB1(D)
  • Actual
    • S(C);
    • Threat
      • B(A)
    • Vars
      • K(c);OGATEB,S_FLIGHT,XR(G)::QAB(D)
      • R(g);SBLOCK,XP(H)::R1(G)
      • B(h);SBLOCK,XR(G)::QAB(D)
      • S(b);XB(A)::S(C)
      • S(b);SBLOCK,XR(G)::B(A)
      • B(f);N_GUARD::R1(G),XB(f)
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