MESON Chess Problem Database

Problem Display
PID: 87860 (2b2NK1/1pbPkP2/1p4p1/1Q1R4/8/2rn4/8/8 w - - 0 1)

Tucker, Frederick G

The Problemist, 1930

2b2NK1/1pbPkP2/1p4p1/1Q1R4/8/2rn4/8/8

#2

6 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.d8Q#
      • 2.d8B#
    • 1...Bg3
      • 2.d8Q#
      • 2.d8B#
    • 1...Bf4
      • 2.d8Q#
      • 2.d8B#
    • 1...Be5
      • 2.d8Q#
      • 2.d8B#
    • 1...Bb8
      • 2.d8Q#
      • 2.d8B#
  • Keys
    • 1.Rd6!
      • threat
        • 2.dxc8S#
      • 1...Kxd6
        • 2.dxc8S#
      • 1...Kd8
        • 2.Qg5#
      • 1...Bxd6
        • 2.Qg5#
      • 1...Bxd7
        • 2.Qxd7#
      • 1...Bb8
        • 2.d8Q#
      • 1...Bd8
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
    • B(f);N_GUARD::P=Q
  • Actual
    • R(B);
    • Threat
      • PXB(h)=S
    • Vars
      • K(g);S_FLIGHT,XR(B)::PXB(h)=S
      • K(g);S_FLIGHT::QAB(A)
      • B(f);SBLOCK,XR(B)::QAB(A)
      • B(h);OGATE,XP(C)::QAR1(A),XB(h)
      • B(f);N_GUARD::P=Q
      • B(f);SBLOCK::R1(B)
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