MESON Chess Problem Database

Problem Display
PID: 234608 (2q1k1K1/4N3/3Q1B2/6b1/8/8/8/8 w - - 0 1)

Lincoln, Robert A

Kudesnik, 2002

2q1k1K1/4N3/3Q1B2/6b1/8/8/8/8

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Keys
    • 1.Sd5!
      • threat
        • 2.Qe7#
      • 1...Qe6+
        • 2.Qxe6#
      • 1...Bxf6
        • 2.Sxf6#
      • 1...Qb7
        • 2.Qd8#
      • 1...Qd7
        • 2.Qf8#
      • 1...Qc5
        • 2.Qd8#
      • 1...Qc7
        • 2.Sxc7#
      • 1...Qd8
        • 2.Qxd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
  • Actual
    • S(C);
    • Threat
      • QAR1(A)
    • Vars
      • Q(b);CHECK,N_GUARD::QAR2(A),XQ(b)
      • B(a);XB(B)::S(C),XB(a)
      • Q(b);N_GUARD::QAR1(A)
      • Q(b);SBLOCK::QAR1(A)
      • Q(b);N_GUARD::S(C),XQ(b)
      • Q(b);N_GUARD::QAR1(A),XQ(b)
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