MESON Chess Problem Database

Problem Display
PID: 224719 (3N4/Br3p2/8/3kP3/Np2pK2/1Pp5/2n1b3/Q7 w - - 0 1)

Schaeffer, DW

The Sunny South, 1888

3N4/Br3p2/8/3kP3/Np2pK2/1Pp5/2n1b3/Q7

#2

7 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Keys
    • 1.Qxc3!
      • threat
        • 2.Qc5#
        • 2.Qc6#
      • 1...Rxa7
        • 2.Sb6#
        • 2.Qc5#
      • 1...bxc3
        • 2.Sxc3#
      • 1...Rb5
        • 2.Qc6#
      • 1...Rb6
        • 2.Sxb6#
        • 2.Qc5#
      • 1...Rc7
        • 2.Sb6#
      • 1...Bc4
        • 2.Qxc4#
        • 2.bxc4#
      • 1...Bb5
        • 2.Qc5#
      • 1...Sd4
        • 2.Qxd4#
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • Q(A);XP(c)
    • Threat
      • DUALS(2)
    • Vars
      • P(d);XQ(A)::S(C),XP(d)
      • R(g);::QAB1(A)
      • R(g);N_GUARD::S(C)
      • B(b);::QAR1(A)
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