MESON Chess Problem Database

Problem Display
PID: 2416 (8/3bKN2/2B3P1/2P3R1/2P2k2/4p3/3n4/2QRqnB1 w - - 0 1)

Johnson, Richard Wright

Source?, 0000

8/3bKN2/2B3P1/2P3R1/2P2k2/4p3/3n4/2QRqnB1

#2

10 + 6

1693 English Chess Problems 1876
187 The Chess Bouquet 1897
2794 Terms & Themes of Chess Problems 1907

SOLUTION

  • SOUND
  • Sets
    • 1...Sb1
      • 2.Rd4#
    • 1...Sxc4
      • 2.Rd4#
      • 2.Qxc4#
  • Keys
    • 1.Qb1!
      • threat
        • 2.Qb8#
      • 1...Bxc6
        • 2.Qf5#
      • 1...Sxb1
        • 2.Rd4#
      • 1...Sxc4
        • 2.Rd4#
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sb3
        • 2.Qe4#
      • 1...Sf3
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • S(c);OGATE,P_SPINP(d)::R(B)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • B(f);N_GUARD,XB(G)::QAR1(A)
      • S(c);OGATE,XQ(A)::R(B)
      • S(c);N_GUARD::QAR1(A),XS(c)
      • S(c);N_GUARD::QAR1(A)
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