MESON Chess Problem Database

Problem Display
PID: 109001 (3bN3/1p6/2pn1p2/2Pk4/1P3P2/3K4/2P1R3/8 w - - 0 1)

Moodie, R

Ottawa Citizen, 1886

3bN3/1p6/2pn1p2/2Pk4/1P3P2/3K4/2P1R3/8

#2

7 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ba5
      • 2.Sxf6#
    • 1...Bb6
      • 2.Sxf6#
    • 1...Bc7
      • 2.Sxf6#
      • 2.Sxc7#
    • 1...Be7
      • 2.Sc7#
    • 1...Sb5
      • 2.c4#
    • 1...Sf5
      • 2.c4#
    • 1...Sf7
      • 2.c4#
    • 1...Sc8
      • 2.c4#
    • 1...Sxe8
      • 2.c4#
    • 1...f5
      • 2.Re5#
  • Keys
    • 1.Re7!
      • threat
        • 2.Sxf6#
      • 1...Bxe7
        • 2.Sc7#
      • 1...Sxe8
        • 2.c4#
      • 1...Se4
        • 2.c4#
      • 1...f5
        • 2.Sf6#
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 7
  • Sets
    • B(f);N_GUARD::S(G),XP(d)
    • B(f);N_GUARD::S(G)
    • S(c);N_GUARD::P(A)
    • S(c);N_GUARD,XS(G)::P(A)
    • P(d);N_GUARD::R1(B)
  • Actual
    • R(B);
    • Threat
      • S(G),XP(d)
    • Vars
      • B(f);N_GUARD,XR(B)::S(G)
      • S(c);N_GUARD,XS(G)::P(A)
      • S(c);N_GUARD::P(A)
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