MESON Chess Problem Database

Problem Display
PID: 182480 (2b5/nnNPr3/3R4/pNk1rP2/p7/PP6/4P3/3K3Q w - - 0 1)

Mosely, Arthur James

British Chess Magazine, 1912

2b5/nnNPr3/3R4/pNk1rP2/p7/PP6/4P3/3K3Q

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe2
      • 2.Qd5#
    • 1...Re3
      • 2.Qd5#
    • 1...Rd5+
      • 2.Qxd5#
    • 1...R5e6
      • 2.Qd5#
    • 1...Sxb5
      • 2.Qc6#
    • 1...Sc6
      • 2.Rxc6#
      • 2.Qxc6#
  • Keys
    • 1.Qh6!
      • threat
        • 2.Qc1#
      • 1...Rd5+
        • 2.Rxd5#
      • 1...Rxe2
        • 2.Rd5#
      • 1...Sxb5
        • 2.Sa6#
      • 1...Sxd6
        • 2.Qxd6#
      • 1...Sc6
        • 2.Rxc6#
      • 1...Re3
        • 2.Rd5#
      • 1...Re4
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 4
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD,XP(C)::QAR1(B)
    • R(d);N_GUARD::QAR1(B)
    • R(d);CHECK,N_GUARD::QAR1(B),XR(d)
    • S(e);N_GUARD,XS(F)::QAR1(B)
  • Actual
    • Q(B);
    • Threat
      • QAR(B)
    • Vars
      • R(d);CHECK,N_GUARD::R1(H),XR(d)
      • R(d);N_GUARD,XP(C)::R1(H)
      • S(e);SBLOCK,XS(F)::S(I)
      • S(f);OGATE,XR(H)::QAB1(B),XS(f)
      • S(e);N_GUARD::R1(H),XS(e)
      • R(d);N_GUARD::R1(H)
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