MESON Chess Problem Database

Problem Display
PID: 151633 (8/8/3N1p2/3R1p1n/2p1qk1p/5p1P/1BPR3P/K2b4 w - - 0 1)

Dobbs, Gilbert S

Good Companions (November), 1914

8/8/3N1p2/3R1p1n/2p1qk1p/5p1P/1BPR3P/K2b4

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qe3
      • 2.Rxf5#
  • Keys
    • 1.Bc1!
      • threat
        • 2.R2d4#
      • 1...Qd4+
        • 2.R2xd4#
      • 1...Ke3
        • 2.Rg2#
      • 1...Kg5
        • 2.Rg2#
      • 1...Qxd5
        • 2.Rxd5#
      • 1...f2
        • 2.Rxf2#
      • 1...Qd3
        • 2.R2xd3#
      • 1...Qe3
        • 2.Rxf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • Q(d);N_GUARD,SBLOCK::R1(G),XP(g)
  • Actual
    • B(B);
    • Threat
      • B(B)+R(D)
    • Vars
      • Q(d);CHECK::B(B)+R(D),DCHECK,XQ(d)
      • K(e);S_FLIGHT::B(B)+R(D)
      • K(e);P_SPINP(g),S_FLIGHT::B(B)+R(D),DCHECK
      • Q(d);OGATE,XR(G)::B(B)+R(D),XQ(d)
      • P(b);::B(B)+R(D),DCHECK,XP(b)
      • Q(d);N_GUARD::B(B)+R(D),XQ(d)
      • Q(d);N_GUARD,SBLOCK::R1(G),XP(g)
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